rosy.asp

<%@ Language=VBScript %> <% Option Explicit ' Author: James D. (Jim) Miller ' Version: 5.0 ' 10:47 PM Thu April 6, 2023 ' Buffer and release all at once... Response.Buffer = True %>    <% '========================================== ' Common Variables (globals) '========================================== Dim DBConnection, rstDate, rstTelem, rstStations, rstLatestDate, rstMostRecent, rstMinMaxFifteenMinData, rstTimeZone Dim dteMaxTimeStamp Dim strSQL, strNameForPlot, intMaxGust, intNonPlottingHeight, intTempDiffScalingThreshold Dim strTitle, strHGSL Dim sglTempMax, sglTempMin, sglPressureMin, sglPressureMax, sglTempRange, sglDewPointMin, blnDewPointData Dim strMRTime, strMRWindAvg, strMRWindMax, strMRWindDir, strMRTemp, strMRPressure, strMRDewPoint Dim Chart Dim Filename Dim WeatherTypes, WeatherTypes_URL, WeatherTypes_count, DaysChoices Dim dteStartDateTime, dteEndDateTime, dteStartDate_forLabels Dim TimeLabels, TheHour, DayValue, DaysDecSinceRef, intHour Dim blnMinMax, blnFoundSomeData Dim intTheColor Dim strRandomNameString, strFileName2, strOrderBy, intColorScaleFactor Dim fsoObject, fdrObject, filObject Dim intFileCount Dim blnDayLightSavingsTime Dim dtePostedDate, blnPostedDate_default Dim intJ, intDays, intXLabels, dblDaysIncrement, dblDaysFraction, dblFractionalPart, dteLabelDate, intLabelsPerDay Dim dblDPmin, dblDPmax Dim dblWindNormFactor, intRed, intGreen, intBlue, intGray Dim strRegionURL, strSensor, strInitializeTimer, strLocation Dim serverTimeArray, serverTime, intPixelBottomShift, intPixelRightShift, intPixelRightShift_tweak Dim strShowImages_command Dim vrtReturnFromMINMAX Dim intMinutes, dblFiveMinutes, intSeconds_FromMinutes, intSeconds_FromSeconds, intDelay_to_5min Dim strButtonLabel Dim strTimeZone, dicTZ Dim arrRegions, strRegionValue, strRegion, strRegionState Dim strDebugMessage Dim dteNowTime, dteStartDateTime_forQuery Dim str24Hrs_state, strTimer_state, strTimer_value, strRA_state '============================================================================================= ' Functions and Subroutines '============================================================================================= Sub RBC(strTheString) Response.Write strTheString & "<BR>" & Chr(10) End Sub 'Alias for RBC Sub RWBR(strTheString) RBC strTheString End Sub Sub RC(strTheString) Response.Write strTheString & Chr(10) End Sub 'This will not make a new line in the HTML file. Sub RW(strTheString) Response.Write strTheString End Sub Sub MinMax(ByVal dblNewValue, ByRef dblMax, ByRef dblMin) If (dblNewValue > dblMax) Then dblMax = dblNewValue End If If (dblNewValue < dblMin) Then dblMin = dblNewValue End If End Sub Function DaylightTime(strMRTime) Dim strMRTime_DLS If (strMRTime <> "-") Then If (dayLightSavingsTime(strMRTime)) Then strMRTime_DLS = DateAdd("h",1,strMRTime) Else strMRTime_DLS = strMRTime End If Else strMRTime_DLS = "-" End If DaylightTime = strMRTime_DLS End Function Function AgeOfData(strMRTime) If (strMRTime <> "-") Then ' The following line works mainly because strMRTime is in standard time. So no problem with HI. AgeOfData = DateDiff("n", DaylightTime(strMRTime), Now()) + 60 * dicTZ.item(strTimeZone) Else AgeOfData = "-" End If End Function Function MinMaxFifteenMinData(strMode, strVariableName) ' Check to see if there is data for the specified field. And if there is, ' find either the max or min of the specified variable strSQL = "Select " & strMode & "(" & strVariableName & ") AS TheExtreme From FifteenMinData WHERE ([StationName] = '" & strLocation & "') AND " & _ "([DateTimeStamp] <= #" & dteEndDateTime & "#) AND " & _ "([DateTimeStamp] >= #" & dteStartDateTime_forQuery & "#)" PopulateStaticRecordset DBConnection, strSQL, rstMinMaxFifteenMinData ' Check for data (because sites don't have min max data on the temperature) If (rstMinMaxFifteenMinData.RecordCount = 0) Then MinMaxFifteenMinData = -999 Else rstMinMaxFifteenMinData.MoveFirst MinMaxFifteenMinData = rstMinMaxFifteenMinData("TheExtreme") End If CloseRecordSet rstMinMaxFifteenMinData End Function Function DaysDecSinceRefF() Dim dteRecordTime Dim TheMin If (intDays = 1) Then TheMin = rstTelem("TimeMin") Else TheMin = 0 End If dteRecordTime = rstTelem("TimeMDY") + TimeSerial(rstTelem("TimeHr"), TheMin, 0) DaysDecSinceRefF = CDbl( DateDiff("n", dteStartDateTime, dteRecordTime) ) / 1440 End Function Function DaysDec( dteTime) ' 86400 = 24.0*60.0*60.0 (Seconds in a day). ' Decimal day as measured from the midnight start time. 'RWBR "dteTime = " & dteTime DaysDec = CDbl( DateDiff("s", dteStartDateTime, dteTime) ) / 86400.0 End Function Sub IPMessage() Dim UserIPAddress UserIPAddress = Request.ServerVariables("HTTP_X_FORWARDED_FOR") If UserIPAddress = "" Then UserIPAddress = Request.ServerVariables("REMOTE_ADDR") End If If (UserIPAddress = "50.35.244.236") Then 'If (UserIPAddress = "138.236.65.69") Then RWBR "Message to " & UserIPAddress & ":" RWBR "Eric, I'm guessing this IP address is you. I tried to email you a few days ago. It bounced back. Looks like you're no longer using this email address: [email protected]. You're one of Waconia's most frequent users and it would be good to be able to email you if I'm working on a problem. Let me know. I'll take this message off in a few days. Thanks, Jim ([email protected])" End If End Sub Function DirectionLabel (WindDeg) If (WindDeg > 345 And WindDeg <= 360) Then DirectionLabel = "North" ElseIf (WindDeg > 0 And WindDeg <= 15) Then DirectionLabel = "North" ElseIf (WindDeg > 15 And WindDeg <= 45) Then DirectionLabel = "NNE" ElseIf (WindDeg > 45 And WindDeg <= 75) Then DirectionLabel = "ENE" ElseIf (WindDeg > 75 And WindDeg <= 105) Then DirectionLabel = "East" ElseIf (WindDeg > 105 And WindDeg <= 135) Then DirectionLabel = "ESE" ElseIf (WindDeg > 135 And WindDeg <= 165) Then DirectionLabel = "SSE" ElseIf (WindDeg > 165 And WindDeg <= 195) Then DirectionLabel = "South" ElseIf (WindDeg > 195 And WindDeg <= 225) Then DirectionLabel = "SSW" ElseIf (WindDeg > 225 And WindDeg <= 255) Then DirectionLabel = "WSW" ElseIf (WindDeg > 255 And WindDeg <= 285) Then DirectionLabel = "West" ElseIf (WindDeg > 285 And WindDeg <= 315) Then DirectionLabel = "WNW" ElseIf (WindDeg > 315 And WindDeg <= 345) Then DirectionLabel = "NNW" Else DirectionLabel = "Var" End If If (WindDeg = 45) Then DirectionLabel = "NE" ElseIf (WindDeg = 135) Then DirectionLabel = "SE" ElseIf (WindDeg = 225) Then DirectionLabel = "SW" ElseIf (WindDeg = 315) Then DirectionLabel = "NW" End If End Function Sub AddHorizontalLine_gray(intLineWidth, intColor, dblYvalue) Chart.AddSeries (5) Chart.linewidth = intLineWidth Chart.SeriesInLegend = false 'MyChartAddXY 0, dblYvalue, "", strColor 'MyChartAddXY intDays+1, dblYvalue, "", RGB(&hFF,&hFF,&hFF) ' The -0.009 extends the line all the way to the left edge of the 1-day chart. MyChartAddXY -0.009, dblYvalue, "", RGB(intColor, intColor, intColor) MyChartAddXY intDays+1.0, dblYvalue, "", RGB(intColor, intColor, intColor) End Sub Sub AddHorizontalLine_color(intLineWidth, intRed, intGreen, intBlue, dblYvalue) Chart.AddSeries (5) Chart.linewidth = intLineWidth Chart.SeriesInLegend = false MyChartAddXY -0.009, dblYvalue, "", RGB(intRed, intGreen, intBlue) MyChartAddXY intDays+1.0, dblYvalue, "", RGB(intRed, intGreen, intBlue) End Sub Sub MyChartAddXY(dblXValue, dblYValue, strXLabel, intColor) ' Feed only NON-Null values to the AddXY method. If (Not IsNull(dblYValue)) Then Chart.AddXY dblXValue, dblYValue, strXLabel, intColor End If End Sub Sub AddVerticalLine( dblXValue, intLineWidth) Dim intColor, intGray, intColor_Red, intColor_Green, intColor_Blue Chart.AddSeries (5) Chart.linewidth = intLineWidth Chart.SeriesInLegend = false intGray = 75 ' 0 (black) to 255 (white) intColor_Red = intGray intColor_Green = intGray intColor_Blue = intGray intColor = RGB(intColor_Red, intColor_Green, intColor_Blue) 'intColor = vbBlack MyChartAddXY dblXValue, Chart.VertAxisMin, "", intColor MyChartAddXY dblXValue, Chart.VertAxisMax, "", intColor End Sub Sub UpdateTraceRecordSet_DeltaP(ByRef rstTelem, ByRef dicTraceIO) Dim strWestSite, strEastSite strWestSite = dicTraceIO.Item("WestSite") strEastSite = dicTraceIO.Item("EastSite") dicTraceIO.Item("FoundData_ForThisTrace") = False If (intDays = 1) then ' This query uses an interesting trick to accomplish the delta-P ' calculation. It selects all the needed data from two sites and then ' groups it by time. It feeds the SUM operator with logic from the IIF ' operator. That is how the delta is calculated. The HAVING clause ' insures that only groups with a count of 2 are used. ' Get the most recent 24 hours of data. This modification of dteStartDateTime_forQuery is in support ' of the 24h plot. If ((strMRTime <> "-") And (DaysDec(strMRTime) > 0.0) And (DaysDec(strMRTime) < 1.0) And (str24Hrs_state = "checked")) Then dteStartDateTime_forQuery = DateAdd("d", -1, DateAdd("n", 0, strMRTime)) End If strSQL = "SELECT DateTimeStamp, TimeMDY, TimeHr, TimeMin, SUM(IIf([StationName]='" & strWestSite & "',+[Pressure],-[Pressure])) AS DeltaP " & _ "FROM FifteenMinData " & _ "WHERE ((StationName) In ('" & strWestSite & "','" & strEastSite & "')) AND " & _ " ([DateTimeStamp] <= #" & dteEndDateTime & "#) AND " & _ " ([DateTimeStamp] >= #" & dteStartDateTime_forQuery & "#) " & _ "GROUP BY DateTimeStamp, TimeMDY, TimeHr, TimeMin " & _ "HAVING (((Count(DateTimeStamp))=2)) " & _ "ORDER BY TimeMDY ASC, TimeHr ASC, TimeMin ASC" Else strSQL = "SELECT DateTimeStamp, TimeMDY, TimeHr, TimeMin, SUM(IIf([StationName]='" & strWestSite & "',+[Pressure],-[Pressure])) AS DeltaP1 " & _ "FROM FifteenMinData " & _ "WHERE ((StationName) In ('" & strWestSite & "','" & strEastSite & "')) AND " & _ " ([DateTimeStamp] <= #" & dteEndDateTime & "#) AND " & _ " ([DateTimeStamp] >= #" & dteStartDateTime_forQuery & "#) " & _ "GROUP BY DateTimeStamp, TimeMDY, TimeHr, TimeMin " & _ "HAVING (((Count(DateTimeStamp))=2)) " & _ "ORDER BY TimeMDY ASC, TimeHr ASC, TimeMin ASC" ' And now we feed the query above into the aggregation query below ' (another interesting SQL trick). strSQL = "SELECT TimeMDY, TimeHr, AVG(DeltaP1) AS DeltaP " & _ "FROM (" & strSQL & ") " & _ "GROUP BY TimeMDY, TimeHr " & _ "ORDER BY TimeMDY ASC , TimeHr ASC " End If 'RWBR dteStartDateTime_forQuery & "--------" & dteEndDateTime PopulateStaticRecordset DBConnection, strSQL, rstTelem If (Not rstTelem.BOF) Then dicTraceIO.Item("FoundData") = True dicTraceIO.Item("FoundData_ForThisTrace") = True End If End Sub Sub UpdateTraceRecordSet(ByVal strSensor_DBName, ByRef rstTelem, ByRef dicTraceIO) Dim strSensorSelectClause dicTraceIO.Item("FoundData_ForThisTrace") = False If (intDays = 1) Then 'RWBR "Diff: Post-Now = " & DateDiff("h", dtePostedDate, Now()) If ((strMRTime <> "-") And (DaysDec(strMRTime) > 0.0) And (DaysDec( strMRTime) < 1.0) And (str24Hrs_state = "checked")) Then ' Go back a full day. This modification of dteStartDateTime_forQuery is in support ' of the 24h plot. dteStartDateTime_forQuery = DateAdd("d", -1, DateAdd("n", 0, strMRTime)) End If strSQL = "SELECT StationName, DateTimeStamp, TimeMDY, TimeMin, TimeHr, " & strSensor_DBName & " " & _ "FROM FifteenMinData " & _ "WHERE ([StationName] = '" & strLocation & "') AND " & _ "([DateTimeStamp] <= #" & dteEndDateTime & "#) AND " & _ "([DateTimeStamp] >= #" & dteStartDateTime_forQuery & "#) AND " & _ "(" & strSensor_DBName & " Is Not Null) " & _ "ORDER BY TimeMDY ASC, TimeHr ASC, TimeMin ASC" Else If (strSensor_DBName = "TempMax") or (strSensor_DBName = "WindGust") Then strSensorSelectClause = "MAX(A." & strSensor_DBName & ") AS " & strSensor_DBName ElseIf (strSensor_DBName = "TempMin") Then strSensorSelectClause = "MIN(A." & strSensor_DBName & ") AS " & strSensor_DBName Else strSensorSelectClause = "AVG(A." & strSensor_DBName & ") AS " & strSensor_DBName End If strSQL = "SELECT TimeMDY, TimeHr, FIRST(A.StationName) AS StationName, AVG(A.DateTimeStamp) AS DateTimeStamp, " & strSensorSelectClause & " " & _ "FROM FifteenMinData AS A " & _ "WHERE ([StationName] = '" & strLocation & "') AND " & _ "([DateTimeStamp] <= #" & dteEndDateTime & "#) AND " & _ "([DateTimeStamp] >= #" & dteStartDateTime_forQuery & "#) AND " & _ "(" & strSensor_DBName & " Is Not Null) " & _ "GROUP BY TimeMDY, TimeHr " & _ "ORDER BY TimeMDY ASC, TimeHr ASC" End If 'RWBR strSQL PopulateStaticRecordset DBConnection, strSQL, rstTelem If (Not rstTelem.BOF) Then dicTraceIO.Item("FoundData") = True dicTraceIO.Item("FoundData_ForThisTrace") = True End If End Sub Sub AddTrace(strSensorName, dblYScaleFactor, intSeriesType, strSeriesTitle, intLineWidth, intColor, ByRef dicTraceIO) Dim intTraceArray_index Dim intYesterdayColor, intGray Dim dblYMin, dblYMax, dblYValue, dblYValue_raw Dim dblXValue, dblXValue_raw Dim dblX_Previous, dblY_Previous dblX_Previous = -999 : dblY_Previous = -999 If (strSensorName = "DeltaP") Then UpdateTraceRecordSet_DeltaP rstTelem, dicTraceIO Else UpdateTraceRecordSet strSensorName, rstTelem, dicTraceIO End If If (dicTraceIO.Item("FoundData_ForThisTrace") = False) Then CloseRecordSet rstTelem Exit Sub End If dblYMax = dicTraceIO.Item("YMax") dblYMin = dicTraceIO.Item("YMin") If intSeriesType = 6 Then intGray = 200 intYesterdayColor = RGB(intGray,intGray,intGray) Else intYesterdayColor = intColor End If 'Instantiate the running averages in JavaScript. instantiateRunningAverages( strSensorName) If (intDays = 1) Then rstTelem.MoveFirst 'First plot yesterday's data. Chart.AddSeries( intSeriesType) Chart.SeriesInLegend = False Chart.linewidth = 1 RA_y.reset( rstTelem.RecordCount) RA_x.reset( rstTelem.RecordCount) Do Until rstTelem.EOF If Not IsNull( rstTelem( strSensorName)) Then dblYValue_raw = CDbl(rstTelem( strSensorName)) dblXValue_raw = DaysDecSinceRefF() ' Do a running average if requested. If (strRA_state = "checked") AND (rstTelem.RecordCount > 5) Then dblYValue = RA_y.update( dblYValue_raw) * dblYScaleFactor dblXValue = RA_x.update( dblXValue_raw) Else dblYValue = dblYValue_raw * dblYScaleFactor dblXValue = dblXValue_raw End If If (dblXValue < 0.0) Then 'Display yesterday's data on the current single-day plot. 'Add 1.0 to move these yesterday points onto today's plot. MyChartAddXY dblXValue + 1.0, dblYValue, "", intYesterdayColor MinMax dblYValue, dblYMax, dblYMin 'dicTraceIO.Item("FoundData") = True ' Save a starter point for today's data trace. dblX_Previous = dblXValue dblY_Previous = dblYValue Else 'At the start of today's data, exit this first loop. Exit Do End If End If rstTelem.MoveNext Loop 'Then start a new trace for today's data. Chart.AddSeries( intSeriesType) Chart.linewidth = intLineWidth Chart.SeriesTitle = strSeriesTitle 'First, plot the last point from yesterday's data. This makes 'the trace lines visible for the first point of the day (2 points needed). If dblX_Previous <> -999 Then MyChartAddXY dblX_Previous, dblY_Previous, "", intColor End If Do Until rstTelem.EOF If Not IsNull( rstTelem( strSensorName)) Then dblYValue_raw = CDbl(rstTelem( strSensorName)) dblXValue_raw = DaysDecSinceRefF() ' Do a running average if requested. If (strRA_state = "checked") AND (rstTelem.RecordCount > 5) Then dblYValue = RA_y.update( dblYValue_raw) * dblYScaleFactor dblXValue = RA_x.update( dblXValue_raw) Else dblYValue = dblYValue_raw * dblYScaleFactor dblXValue = dblXValue_raw End If MyChartAddXY dblXValue, dblYValue, "", intColor MinMax dblYValue, dblYMax, dblYMin 'dicTraceIO.Item("FoundData") = True End If rstTelem.MoveNext Loop Else ' Multi-day charts. ReDim dblTraceArray( rstTelem.recordcount - 1) Chart.AddSeries( intSeriesType) Chart.linewidth = intLineWidth Chart.SeriesTitle = strSeriesTitle intTraceArray_index = 0 rstTelem.MoveFirst ' Reset the running average objects with each new trace. RA_y.reset( rstTelem.RecordCount) RA_x.reset( rstTelem.RecordCount) Do Until rstTelem.EOF If Not IsNull( rstTelem( strSensorName)) Then dblYValue_raw = CDbl(rstTelem( strSensorName)) dblXValue_raw = DaysDecSinceRefF() ' Do a running average if requested. If (strRA_state = "checked") AND (rstTelem.RecordCount > 5) Then dblYValue = RA_y.update( dblYValue_raw) * dblYScaleFactor dblXValue = RA_x.update( dblXValue_raw) Else dblYValue = dblYValue_raw * dblYScaleFactor dblXValue = dblXValue_raw End If ' For these multi-day plots, use the Array approach to save some time. dblTraceArray( intTraceArray_index) = Array( dblXValue, dblYValue, "", intColor) intTraceArray_index = intTraceArray_index + 1 MinMax dblYValue, dblYMax, dblYMin 'dicTraceIO.Item("FoundData") = True End If rstTelem.MoveNext Loop Chart.AddXYArray dblTraceArray End If ' Note that this assignment can not be made in the call to MinMax. It can't modify the ' dictionary values directly (unless you passed it the whole dictionary). dicTraceIO.Item("YMax") = dblYMax dicTraceIO.Item("YMin") = dblYMin CloseRecordSet rstTelem End Sub Sub PlotTheChart() ' Set the ContentType 'Response.ContentType = "image/JPEG" ' Instantiate the Chart component Set Chart = Server.CreateObject ("ASPChart.Chart") Chart.JPEGQuality = 80 Dim dblTraceArray, intTraceArray_index, dicTraceIO ' Use this to facilitate a general ByReference argument to the AddTrace subroutine. Set dicTraceIO = Server.CreateObject("Scripting.Dictionary") dicTraceIO.Add "YMax", -999 dicTraceIO.Add "YMin", 999 dicTraceIO.Add "FoundData", False dicTraceIO.Add "FoundData_ForThisTrace", False 'Used for Delta-P calculations. dicTraceIO.Add "WestSite", "" dicTraceIO.Add "EastSite", "" ' Set dteStartDate_forLabels and dteStartDateTime for use in queries and chart labels... dteStartDate_forLabels = DateAdd("d", (1 - intDays), dtePostedDate) ' The following is a somewhat clumsy way to deal with daylight savings time and ' timezone. Noteworthy here is the way that start and end times are shifted ' back during periods of daylight savings time. This, coupled with the way that ' points are plotted using a decimal day value that is calculated relative to ' the starting point AND using the standard time values that are in the ' database, has the net effect of shifting the standard to DLS values. It's all ' a bit confusing. Not completely sure why I originally did it this way. ' But one advantage is that when aggregating large amounts of data ' (like in the 25 day plot) each data point does not need to be converted. This ' is an efficiency that is probably not noticeable on recent computers (2015), ' but probably was worth considering when I first did this 20-some years ago. dteStartDateTime = DateAdd("d", (1 - intDays), dtePostedDate) dteEndDateTime = DateAdd("d", 1, dtePostedDate) dteNowTime = DateAdd( "h", dicTZ.item(strTimeZone), Now()) If (blnDayLightSavingsTime) Then dteNowTime = DateAdd("h", -1, dteNowTime) If (strTimeZone <> "H") Then dteStartDateTime = DateAdd("h", -1, dteStartDateTime) dteEndDateTime = DateAdd("h", -1, dteEndDateTime) End If End If ' Initialize the start time for the queries. This will later get modified for the 24h ' versions of the 1-day charts. dteStartDateTime_forQuery = dteStartDateTime ' Add a separate (pseudo) trace to do the x-axis labeling. Shift the y ' value by negative 200 so the points don't show on the plot. Also prevent ' it from showing in the legend. ' ' Have tried more direct methods of charting the labels as part of the data ' traces but always ran into problems. This somewhat indirect (but ' successful) method offers more control and is general for any numeric ' based x axis. Chart.AddSeries (5) Chart.linewidth = 0 Chart.SeriesTitle = " " Chart.SeriesInLegend = False If (intDays = 1) Then TimeLabels = Array("12m","1","2","3","4","5","6am","7","8","9","10","11","12n","1","2","3","4","5","6pm","7","8","9","10","11","12m") For intHour = 0 to 24 ' The key difference in this dummy trace is that it has a parameter ' for the label. All the data traces below have an empty string in ' that position. MyChartAddXY (CDbl(intHour)/24.0), 0 - 200, TimeLabels(intHour), vbWhite Next Else ' Make a special label trace (dummy) for multiple-day charts... If (intDays >= 2) AND (intDays <= 4) Then intLabelsPerDay = 4 ElseIf (intDays >= 5) AND (intDays <= 9) Then intLabelsPerDay = 2 ElseIf (intDays >= 10) AND (intDays <= 25) Then intLabelsPerDay = 1 Else ' Shouldn't be able to get here... End If intXLabels = (intDays * intLabelsPerDay) + 1 ' Dim the dynamic array... ReDim strTimeLabels(intXLabels) dblDaysIncrement = 1 / intLabelsPerDay For intJ = 0 To intXLabels - 1 dblDaysFraction = intJ * dblDaysIncrement ' Put a Day label on the integer values (midnight)... If (dblDaysFraction = Int(dblDaysFraction)) Then dteLabelDate = DateAdd("d", Int(dblDaysFraction), dteStartDate_forLabels) strTimeLabels(intJ) = Left(WeekDayName(WeekDay(dteLabelDate), True),2) & "-" & Day(dteLabelDate) Else dblFractionalPart = dblDaysFraction - Int(dblDaysFraction) If (dblFractionalPart = 0.50) Then ' Suppress the 12n marks for 7 though 9. If (intDays <= 6) Then strTimeLabels(intJ) = "12n" Else strTimeLabels(intJ) = "" End If Else strTimeLabels(intJ) = "" 'CStr(dblDaysFraction) End If End If Next ' Plot the pseudo trace.... For intJ = 0 To intXLabels - 1 ' The key difference in this pseudo trace is that it has a parameter ' for the label. All the data traces below have an empty string in ' that position. MyChartAddXY intJ * dblDaysIncrement, 0 - 200, strTimeLabels(intJ), vbWhite Next End If '=============================================================================== ' Populate trace(s) depending on the sensor or plot type... '=============================================================================== If (left(strSensor,4) = "Wind") Then intGray = 175 ' Make horizontal lines for the compass points. Do this before adding the ' trace lines so data points will lay on top of this reference lines. If (strSensor = "Wind36") Then AddHorizontalLine_gray 1, intGray, 45 * dblWindNormFactor AddHorizontalLine_gray 1, intGray, 135 * dblWindNormFactor AddHorizontalLine_gray 1, intGray, 225 * dblWindNormFactor AddHorizontalLine_gray 1, intGray, 315 * dblWindNormFactor End If ' These are common to both Wind40 and Wind36 AddHorizontalLine_gray 1, intGray, 0 * dblWindNormFactor AddHorizontalLine_gray 1, intGray, 90 * dblWindNormFactor AddHorizontalLine_gray 1, intGray, 180 * dblWindNormFactor AddHorizontalLine_gray 1, intGray, 270 * dblWindNormFactor AddHorizontalLine_gray 1, intGray, 360 * dblWindNormFactor AddTrace "WindDirection", dblWindNormFactor, 6, "Direction ", 3, vbWhite, dicTraceIO AddTrace "WindGust", 1.0, 5, "Maximum Speed", 2, RGB(&h00,&h80,&h80), dicTraceIO intMaxGust = dicTraceIO.Item("YMax") AddTrace "WindSpeed", 1.0, 5, "Average Speed", 2, vbRed, dicTraceIO If dicTraceIO.Item("FoundData") Then ' To be consistent with the other sensor charts, putting these scale ' limits here, after the trace filling calls above. Chart.VertAxisMin = 0.0 '-10 If (intMaxGust > 40) then Chart.VertAxisMax = CDbl(intMaxGust) Else Chart.VertAxisMax = 40.0 End If Chart.AddAxisLabel 1, "Wind Speed (mph)" If (intDays > 1) then Chart.ChartTitleAdd " Wind at " & strNameForPlot Chart.HorizAxisMin = 0.00 Else Chart.ChartTitleAdd " Wind at " & strNameForPlot & " on " & WeekDayName(WeekDay(dtePostedDate)) & " " & dtePostedDate Chart.HorizAxisMin = 0.04 End If ' Use tweak of -4 if there is a carriage return after each image element ' in the div. intPixelRightShift_tweak = -4 If (intDays >= 10) Then Chart.Width = 1250 + 61 ' The 61 helps to get the days to line up with the temperature chart. intPixelRightShift = -210 + intPixelRightShift_tweak - 3 ' The -3 is a secondary tweak needed after I added the 61 in the line above. Else Chart.Width = 855 intPixelRightShift = -188 + intPixelRightShift_tweak End If ' Set the chart height based on the y-axis maximum value. Scale up the ' plotting area by the ratio of intMaxGust/40. intNonPlottingHeight = 75 If (intMaxGust > 40) then Chart.Height = ((500 - intNonPlottingHeight) * (intMaxGust/40)) + intNonPlottingHeight ' This gets used in the style-sheet the positions the directions-overlay image. intPixelBottomShift = Fix((intMaxGust * 0.320) - 11) 'This is always positive. Else Chart.Height = 500 intPixelBottomShift = 0 End If Chart.LeftAxisIncrement = 5 End If ElseIf (strSensor = "Temperature") Then ' Do this one first. This one should return data for any type ' of temperature plot. If not, don't try the other parts. AddTrace "TempAvg", 1, 5, "Dry Bulb", 2, vbRed, dicTraceIO If dicTraceIO.Item("FoundData") Then If (MinMaxFifteenMinData("Min","TempMin") <> -999) Then AddTrace "TempMin", 1, 5, " Min", 1, vbBlack, dicTraceIO AddTrace "TempMax", 1, 5, " Max", 1, vbBlack, dicTraceIO End If If (MinMaxFifteenMinData("Min","DewPoint") <> -999) Then AddTrace "DewPoint", 1, 5, "Dew Point", 2, RGB(&h00,&h80,&h80), dicTraceIO End If ' Ongoing (overall) Min and Max values are collected in dicTraceIO as each trace ' generated. sglTempMin = dicTraceIO("YMin") sglTempMax = dicTraceIO("YMax") sglTempRange = sglTempMax - sglTempMin ' To be consistent with the other sensor charts, putting these scale ' limits here, after the trace filling loop above. But seems to work ' either way here... intTempDiffScalingThreshold = 40 intNonPlottingHeight = 108 If (sglTempRange < intTempDiffScalingThreshold) then Chart.VertAxisMin = sglTempMin - ((intTempDiffScalingThreshold - sglTempRange)/2) Chart.VertAxisMax = sglTempMax + ((intTempDiffScalingThreshold - sglTempRange)/2) Chart.Height = 500 Else ' The 0.2 keeps the max and min data from being obscured by the outer ' boundaries of the charting area. Chart.VertAxisMin = sglTempMin - 0.2 Chart.VertAxisMax = sglTempMax + 0.2 Chart.Height = ((500 - intNonPlottingHeight) * (sglTempRange/intTempDiffScalingThreshold)) + intNonPlottingHeight End If Chart.LeftAxisIncrement = 5 ' Y axis label Chart.AddAxisLabel 1, "Temperature (F)" If (intDays > 1) Then Chart.ChartTitleAdd " Temperature at " & strNameForPlot Else Chart.ChartTitleAdd " Temperature at " & strNameForPlot & " on " & WeekDayName(WeekDay(dtePostedDate)) & " " & dtePostedDate End If If (intDays >= 10) Then Chart.Width = 1250 Else Chart.Width = 791 '780 End If End If ElseIf (strSensor = "Pressure") Then ' The Pressure Plot. AddTrace "Pressure", 1.0, 5, "no trace label", 2, vbRed, dicTraceIO If dicTraceIO.Item("FoundData") Then Chart.SeriesInLegend = False sglPressureMin = dicTraceIO.Item("YMin") sglPressureMax = dicTraceIO.Item("YMax") Chart.AddAxisLabel 1, "Pressure (Inches Hg)" If (intDays > 1) then Chart.ChartTitleAdd " Barometer at " & strNameForPlot Else Chart.ChartTitleAdd " Barometer at " & strNameForPlot & " on " & WeekDayName(WeekDay(dtePostedDate)) & " " & dtePostedDate end If ' Note: these axis limits only work if they come after ' the chart filling loop above... If (sglPressureMin < 29.42) then Chart.VertAxisMin = sglPressureMin - 0.005 Else Chart.VertAxisMin = 29.41 End If If (sglPressureMax > 30.42) then Chart.VertAxisMax = sglPressureMax + 0.005 Else Chart.VertAxisMax = 30.43 End If If (sglPressureMin = 0) then Chart.VertAxisMin = -0.5 Chart.VertAxisMax = 0.5 End If Chart.LeftAxisIncrement = 0.1 'Chart.AddAxisLabel 1, "Pressure (Inches Hg)" Chart.Height = 500 If (intDays >= 10) Then Chart.Width = 1128 Else Chart.Width = 685 End If End If ElseIf (Left(strSensor,6) = "DeltaP") Then ' The Delta-P plot. ' Add some horizontal lines Chart.AddSeries (5) Chart.linewidth = 2 Chart.SeriesInLegend = False MyChartAddXY 0, 0, "", vbBlack If (Request.QueryString("specName") = "") Then MyChartAddXY intDays+1, 0, "", vbWhite Else ' Gray line (if request is for the 50Webs example chart page). MyChartAddXY intDays+1, 0, "", RGB(&hB5,&hB5,&hB5) End If ' Add the delta-P traces. If (strSensor = "DeltaP1") Then dicTraceIO("WestSite") = "PORTLAND" dicTraceIO("EastSite") = "THE DALLES" AddTrace "DeltaP", 1.0, 5, "Portland - The Dalles ", 2, RGB(&h00,&h80,&h80), dicTraceIO dicTraceIO("WestSite") = "THE DALLES" dicTraceIO("EastSite") = "PASCO" AddTrace "DeltaP", 1.0, 5, "The Dalles - Pasco", 2, vbRed, dicTraceIO '"NORTH BEND", "PASCO" ElseIf (strSensor = "DeltaP2") Then dicTraceIO("WestSite") = "KTTD" dicTraceIO("EastSite") = "KDLS" AddTrace "DeltaP", 1.0, 5, "Troutdale - The Dalles", 2, RGB(&h00,&h80,&h80), dicTraceIO dicTraceIO("WestSite") = "KDLS" dicTraceIO("EastSite") = "KHRI" AddTrace "DeltaP", 1.0, 5, "The Dalles - Hermiston", 2, vbRed, dicTraceIO ' dicTraceIO("WestSite") = "KTTD" ' dicTraceIO("EastSite") = "KHRI" ' AddTrace "DeltaP", 1.0, 5, "Troutdale - Hermiston", 2, vbBlue, dicTraceIO End If If dicTraceIO.Item("FoundData") Then ' Force limits on the Y axis for the Delta-P chart. Note: these must come ' after the trace filling calls above... dblDPmin = dicTraceIO("YMin") dblDPmax = dicTraceIO("YMax") If (dblDPmin < -0.08) Then Chart.VertAxisMin = dblDPmin - .001 Else Chart.VertAxisMin = -0.08 End If If (dblDPmax > 0.18) Then Chart.VertAxisMax = dblDPmax + 0.001 Else Chart.VertAxisMax = 0.18 End If If (intDays > 1) Then Chart.ChartTitleAdd "Delta-P" Else Chart.ChartTitleAdd "Delta-P on " & WeekDayName(WeekDay(dtePostedDate)) & " " & dtePostedDate End If Chart.LeftAxisIncrement = 0.05 Chart.AddAxisLabel 1, "Pressure Differential (Inches Hg)" If (intDays >= 10) Then Chart.Width = 1270 Else Chart.Width = 875 End If ' Scale the height of the image if the y range is larger than the default of 0.26. intNonPlottingHeight = 90 If ((Chart.VertAxisMax - Chart.VertAxisMin) > 0.26) Then Chart.Height = ((510 - intNonPlottingHeight) * ((Chart.VertAxisMax - Chart.VertAxisMin)/0.26)) + intNonPlottingHeight Else Chart.Height = 510 End If End If Else ' Shouldn't ever get here... 'RBC "No data or no match found for the specified sensor type." End If '============================================================================= ' Control chart axes and labeling... ' (This is done for every type of plot) '============================================================================= If dicTraceIO.Item("FoundData") Then ' Plot the LatestRecord and the NOW lines. If ((intDays = 1) and (str24Hrs_state = "checked")) Then AddVerticalLine DaysDec( strMRTime), 1 AddVerticalLine DaysDec( dteNowTime), 1 End If Chart.HorizAxisMax = intDays Chart.ShowMinorTicks false, false If (intDays > 1) then ' Set Horizontal Axis Label Style to: Axis Scales (2) Chart.HLabelStyle = 0 If (blnDayLightSavingsTime And (strTimeZone <> "H")) Then Chart.AddAxisLabel 2, "Days Starting with " & WeekDayName(WeekDay(dteStartDate_forLabels)) & " " & FormatDateTime(dteStartDate_forLabels, vbShortDate) & " (" & strTimeZone & "DT)" Else Chart.AddAxisLabel 2, "Days Starting with " & WeekDayName(WeekDay(dteStartDate_forLabels)) & " " & FormatDateTime(dteStartDate_forLabels, vbShortDate) & " (" & strTimeZone & "ST)" End If Chart.HorizAxisMin = 0.0 Else ' Set Horizontal Axis Label Style to: Automatic (0) Chart.HLabelStyle = 0 If (blnDayLightSavingsTime And (strTimeZone <> "H")) Then Chart.AddAxisLabel 2, "Hour of the Day (" & strTimeZone & "DT)" Else Chart.AddAxisLabel 2, "Hour of the Day (" & strTimeZone & "ST)" End If ' Make a little more room on the y axis for the last point from yesterday. The ' square boxes (markers) for the direction trace enforce a little more room on ' their own, so the non-wind plots require a little more wiggle room on each ' end of the x-axis. If (left(strSensor,4) = "Wind") Then Chart.HorizAxisMin = -0.001 Chart.HorizAxisMax = intDays + 0.001 Else 'Chart.HorizAxisMin = 0.00 Chart.HorizAxisMin = -0.003 Chart.HorizAxisMax = intDays + 0.003 End If End If Chart.ChartTitleFont.Size = 16 Chart.ChartTitleFont.Name = "Arial" 'Chart.ChartTitleFontColor = vbBlue Chart.ChartTitleFontColor = RGB(&h00,&h80,&h80) Chart.LegendFont.Size = 10 Chart.AxisLabelFontBottom.Size = 10 Chart.AxisLabelFontLeft.Size = 10 Chart.BevelOuter = false If (Request.QueryString("specName") <> "") Then Chart.GradientVisible = false Else Chart.GradientVisible = true End If Chart.GradientStartColor = RGB(&hff,&hcc,&h99) Chart.GradientEndColor = vbWhite Chart.PanelColor = vbWhite Chart.View3D = false Chart.LegendVisible = true Chart.LegendStyle = 1 ' Set the filename, save the image and write the image tag. ' Do this with sessionID and random name generated via the ' FileSystemObject. First make a string with a random name in it. Use ' split here to get rid of the txt extension that normally is returned. strRandomNameString = Split(Server.CreateObject("Scripting.FileSystemObject").GetTempName,".")(0) If (Request.QueryString("specName") <> "") Then strFileName2 = Request.QueryString("specName") & ".jpg" Else strFileName2 = "S" & "_" & Session.SessionID & "_" & strRandomNameString & ".jpg" End If 'Response.Write "filename = " & strPathToImageDir & strFileName2 Chart.FileName = strPathToImageDir & strFileName2 Chart.SaveChart 'Response.Write "path = " & strPathToImageDir & strFileName2 ' Put these two images into a DIV element that doesn't wrap! Then ' position the directions overlay relative to the original chart image. RC "<div style=""white-space:nowrap;"">" RC "<img id='chartimage' style=""visibility:hidden"" src=" & strURLPathToImageDir & strFileName2 & "'>" If (strSensor = "Wind40") Then RC "<img id='directions' src='pictures/directions_40.gif' style=""visibility:hidden; position:relative; left:" & intPixelRightShift & "px; bottom:" & _ intPixelBottomShift & "px"">" ElseIf (strSensor = "Wind36") Then RC "<img id='directions' src='pictures/directions_36.gif' style=""visibility:hidden; position:relative; left:" & intPixelRightShift & "px; bottom:" & _ intPixelBottomShift & "px"">" Else ' Could add secondary images for other sensors types here... End If RC "</div>" ' Destroy the object Set Chart = nothing Else Response.Write "The query has returned no data for the selected sensor and location." End If End Sub Function TimeZone( strStationName) strSQL = "SELECT StationNames.StationName, StationNames.NickName, StationNames.TimeZone FROM StationNames " & _ "WHERE ([StationName]='" & strStationName & "') " PopulateStaticRecordset DBConnection, strSQL, rstTimeZone If (rstTimeZone.RecordCount = 0) Then TimeZone = "?" Else rstTimeZone.MoveFirst TimeZone = rstTimeZone("TimeZone") End If CloseRecordSet rstTimeZone End Function Function RegionString( strRegion) If (strRegion = "MN") Then RegionString = "Minnesota Weather" ElseIf (strRegion = "CR") Then RegionString = "Columbia Basin Weather" ElseIf (strRegion = "Misc") Then RegionString = "Misc. Weather Stations" Else RWBR "No match when branching on Region." End If End Function '======================================================================================= ' Main program body (start here and execute every time in) '======================================================================================= ' Build the page %> <html> <head> <meta name='Author' content='James D. (Jim) Miller'> <meta name='keywords' content='WA,Washington,OR,Orgeon,MN,Minnesota,columbia,basin,weather,chart,plot,roosevelt, windsurfing,gorge,richland,wind,temperature,pressure,dewpoint'> <meta charset="UTF-8">  <link rel='SHORTCUT ICON' href='pictures/favicon.ico'> <title>Waconia Weather Database</title> <style> TD {font-family: Times;} TD.data {font-family: Arial;} A {color:#008080; text-decoration:underline} A:hover {color:#008080; text-decoration:none; background:#FFF1E3} A.noline {color:#008080; text-decoration:none; font-size:18pt; font-weight:bolder; } A.noline:hover {color:#008080; text-decoration:underline; font-size:18pt; font-weight:bolder; background:#FFCC99} span.regionstring {color:#008080; font-size:18pt; font-weight:bolder;} div.pageblock {min-width: 650px; max-width: 1000px;} </style>  </head> <% ' Connect to the database. OpenDataConnection DBConnection, strConnectionString Set dicTZ = Server.CreateObject("Scripting.Dictionary") dicTZ.Add "H", -4 dicTZ.Add "AK", -3 dicTZ.Add "P", -2 dicTZ.Add "M", -1 dicTZ.Add "C", 0 dicTZ.Add "E", 1 dicTZ.Add "J", 15 dicTZ.Add "NZ", 18 serverTimeArray = split(Now()," ") serverTime = serverTimeArray(1) ' Establish defaults ' Region_state (hidden) is used to facilitate changing the location to a default value ' when the region is changed. If (Request.QueryString("Region_state") = "") Then strRegionState = "new" Else strRegionState = Request.QueryString("Region_state") End If If (Request.QueryString("Region") = "") Then strRegion = "CR" Else strRegion = Request.QueryString("Region") End If If (Request.QueryString("chk24Hrs") = "on") Then str24Hrs_state = "checked" Else str24Hrs_state = "" End If If (Request.QueryString("chkRA") = "on") Then strRA_state = "checked" Else strRA_state = "" End If If (Request.QueryString("chkTimer") = "on") Then strTimer_state = "checked" Else strTimer_state = "" End If If (strTimer_state = "checked") Then 'Check to see how far off the 5-minute mark. This should serve 'to compensate for the drift in the client side timer. 'Get the seconds and minutes from the server time. intSeconds_FromSeconds = CInt(right(serverTime,2)) intMinutes = CInt(Split(serverTime,":")(1)) 'How many five minute chunks. dblFiveMinutes = CDbl(intMinutes)/5.0 'Take the fractional part of this and convert to seconds. intSeconds_FromMinutes = CInt(round(300*(dblFiveMinutes - Fix(dblFiveMinutes)),0)) 'Subtract both of these values from 300 to get the proper delay for the client. 'Then add 9 to keep it tracking at 10 seconds after the 5-minute mark. intDelay_to_5min = 300 - intSeconds_FromMinutes - intSeconds_FromSeconds + 9 strInitializeTimer = "initializeTimer(" & CStr(intDelay_to_5min) & ");" Else strInitializeTimer = "" End If blnPostedDate_default = False If (Request.QueryString("EndDate") = "") Then ' Use the current date for a default. dtePostedDate = CStr(Date()) blnPostedDate_default = True Else ' Split to just get the DATE part of this post. dtePostedDate = split(Request.QueryString("EndDate")," ")(0) End If If (Request.QueryString("Days") = "") Then intDays = 1 Else intDays = Request.QueryString("Days") End If If (Request.QueryString("Sensor") = "") Then strSensor = "Wind40" Else strSensor = Request.QueryString("Sensor") ' Don't allow request for Delta-P from any region but CR. If (strRegion <> "CR") And (strSensor = "DeltaP") Then strSensor = "Wind40" End If End If ' Set the normalization factor for the wind direction data If (strSensor = "Wind40") Then dblWindNormFactor = 40.0 / 360.0 Else dblWindNormFactor = 1.0 / 10.0 End If ' Set a default value for the location if the first time in or if the user changes ' the region. If ((Request.QueryString("Location") = "") or (strRegionState = "new")) Then If (strRegion = "CR") Then strLocation = "PASC" ElseIf (strRegion = "MN") Then strLocation = "KMKT" ElseIf (strRegion = "Misc") Then strLocation = "KCQX" Else strLocation = "" RWBR "No match in region branch..." End If Else strLocation = Request.QueryString("Location") End If If ((strSensor = "Wind40") OR (strSensor = "Wind36")) Then strShowImages_command = "showImage();showDirections();" Else strShowImages_command = "showImage();" End If strTimeZone = TimeZone( strLocation) RC "<body onLoad='testJS();" & strShowImages_command & strInitializeTimer & _ "' bgcolor=#FFCC99 link='#008080' vlink='#008080' topmargin='2' style='font-family: Arial;'>" RC "<div class='pageblock'>" ' If the region is specified, then make preparations for populating the table ' including getting the most recent values for all the sensor data. If (Request.QueryString("Region") <> "") Then ' If the end date in the chart request is within daylight savings time, then ' set the DLS flag. Add 3 hours to make sure you evaluate the day after the ' 2am change over point. If (dayLightSavingsTime(dateadd("h",3,dtePostedDate))) Then blnDayLightSavingsTime = True ' Get a recordset for the most recent data (to put into the table on ' the charting page). For speed, start by querying in the most recent 24 hours of data. strSQL = "SELECT * FROM FifteenMinData " & _ "WHERE ([StationName] = '" & strLocation & "') AND " & _ "([DateTimeStamp] >= #" & dateAdd("h",-24,now()) & "#) " & _ "ORDER BY TimeMDY DESC, TimeHr DESC, TimeMin DESC" PopulateStaticRecordset DBConnection, strSQL, rstMostRecent ' If there's no data within the last 24 hours, search the whole database and find the latest timestamp. If (rstMostRecent.BOF) Then ' Find the time of the most recent station record. strSQL = "SELECT MAX(DateTimeStamp) as maxDateTime FROM FifteenMinData " & _ "WHERE ([StationName] = '" & strLocation & "')" PopulateStaticRecordset DBConnection, strSQL, rstLatestDate dteMaxTimeStamp = rstLatestDate("maxDateTime") CloseRecordSet rstLatestDate ' Build a recordset for getting the most recent record to ' put into the table on the charting page. strSQL = "SELECT * FROM FifteenMinData " & _ "WHERE ([StationName] = '" & strLocation & "') AND " & _ " ([DateTimeStamp] = #" & FormatDateTime(dteMaxTimeStamp, vbGeneralDate) & "#) " PopulateStaticRecordset DBConnection, strSQL, rstMostRecent End If ' If a default value was used for the posted date, correct it if the posted date ' is more recent than the most recent data. 'RWBR "Default=" & dtePostedDate & ", MostRecent=" & rstMostRecent("TimeMDY") If blnPostedDate_default and (DateDiff("d", dtePostedDate, rstMostRecent("TimeMDY")) < 0) Then dtePostedDate = rstMostRecent("TimeMDY") End If ' Check to see if there are any records before applying the MoveFirst method If (Not rstMostRecent.BOF) Then rstMostRecent.MoveFirst 'Warning: this variable changes type here. strMRTime = rstMostRecent("TimeMDY") & " " & rstMostRecent("TimeHr") & ":" & rstMostRecent("TimeMin") strMRTime = FormatDateTime(strMRTime, vbGeneralDate) If (rstMostRecent("WindDirection") = -10) then strMRWindDir = "Variable" Else If IsNull(rstMostRecent("WindDirection")) Then strMRWindDir = "-" Else strMRWindDir = rstMostRecent("WindDirection") & _ " deg. [" & DirectionLabel(rstMostRecent("WindDirection")) & "]" & _ " [" & FormatNumber(rstMostRecent("WindDirection") * dblWindNormFactor, 1) & "]" End If End If If IsNull(rstMostRecent("WindSpeed")) Then strMRWindAvg = "-" strMRWindMax = "-" Else strMRWindAvg = rstMostRecent("WindSpeed") strMRWindMax = rstMostRecent("WindGust") End If If IsNull(rstMostRecent("Pressure")) Then strMRPressure = "-" Else strMRPressure = round(rstMostRecent("Pressure"),2) End If strMRTemp = rstMostRecent("TempAvg") If (IsNull(strMRTemp)) Then strMRTemp = "-" End If strMRDewPoint = rstMostRecent("DewPoint") If (IsNull(strMRDewPoint)) Then strMRDewPoint = "-" End If Else strMRTime = "-" strMRWindDir = "-" strMRWindAvg = "-" strMRWindMax = "-" strMRTemp = "-" strMRPressure = "-" strMRDewPoint = "-" End If CloseRecordSet rstMostRecent strButtonLabel = "Update" Else dtePostedDate = "" ' Before first post (first time in) just show these dashes in the table... strMRTime = "-" strMRWindDir = "-" strMRWindAvg = "-" strMRWindMax = "-" strMRTemp = "-" strMRPressure = "-" strMRDewPoint = "-" strButtonLabel = "Chart" End if 'IP message to a particular user. 'IPMessage 'RWBR "Debug Message = " & strDebugMessage '=========================================================================== ' The current data table and CONTROLS form... '=========================================================================== RC "<table border='1'>" ' First row RC "<tr>" RC "<td class='data' width='37%' rowspan='3'>" 'RC "<p align='center'><a onmouseover=""changeRegionAnchorValue('" & strRegion & "')"" onmouseout=""changeRegionAnchorValue('" & strTitle & "')"" name='regionanchor' id='regionanchor' class='noline' href='" & strRegionURL & "'>" & strTitle & "</a> <br>" RC "<p align='center'><span class='regionstring'>" & RegionString( strRegion) & "</span><br>" RC "<a target='_blank' href='http://waconia.timetocode.org/FAQ.htm'><font size='2' color='#FF0000'>Help</font>" & _ "<font size='2' color='#008080'>: FAQs</font></a> " If (strRegion = "MN") Then RC "<a href='pictures/mn_sites.jpg'><font size='2' color='#008080'>Sites</font></a> " End If RC "<a href='default.htm'><font size='2'>(home)</font></a>" ' Create a object for working with the image files... Set fsoObject = CreateObject("Scripting.FileSystemObject") ' Note: path to image directory is defined in include file. Set fdrObject = fsoObject.GetFolder(strPathToImageDir) ' Clean out any old temp image files. This is a new approach that doesn't depend on script in the global ASA intFileCount = 0 For Each filObject in fdrObject.Files ' Count files that are less than 1 day old. If (DateDiff("h", filObject.DateLastModified, Now()) <= 24) Then intFileCount = intFileCount + 1 End If ' Delete files that are more than three days old. If (DateDiff("h", filObject.DateLastModified, Now()) > 72) Then filObject.delete End If Next ' Write out a count of image files in the directory (1 and 7 day counts). ' Put the serverTime in a span so can access it from the client (if needed, may not actually use this). RC "<font color='#008080' size='1'>" & _ "  " & intFileCount & "-(1d)  " & fdrObject.Files.Count & "-(3d)  " & _ "<span id='spServerTime' name='spServerTime'>" & serverTime & "</span>" & _ " (" & AgeOfData(strMRTime) & ")" & _ "</font>" & _ "</p>" RC "</td>" ' Rest of the table headers RC "<td width='23%' align='center' rowspan='2'><b><font color='#FF0000'>Latest</font>" RC "<font color='#008080'> Reading" RC "</font></b>" RC "</td>" RC "<td width='26%' align='center' colspan='3'><font color='#008080'><b>Wind </b><font size='2'> (mph)</font></font></td>" RC "<td nowrap width='6%' align='center' colspan='2' rowspan='1'><font color='#008080'><b>Temp</b><font size='2'> (<sup>o</sup>F)</font></font></td>" RC "<td width='8%' align='center' rowspan='2'><font color='#008080'><b>Pressure<br></b><font size='2'> (in Hg" & strHGSL & ")</font></font></td>" RC "</tr>" ' Second row RC "<tr>" RC "<td width='6%' align='center'><font color='#008080' size='2'>Avg</font></td>" RC "<td width='5%' align='center'><font color='#008080' size='2'>Max</font></td>" RC "<td width='18%' align='center'><font color='#008080' size='2'>Direction</font></td>" RC "<td align='center'><font color='#008080' size='2'>DryBulb</font></td>" RC "<td align='center'><font color='#008080' size='2'>DewPoint</font></td>" RC "</tr>" ' Third row RC "<tr>" RC "<td class='data' width='20%' align='center'><font color='#000000' size='2'>" If (strMRTime <> "-") Then If (dayLightSavingsTime(strMRTime) And (strTimeZone <> "H")) Then Response.Write DateAdd("h",1,strMRTime) & " (" & strTimeZone & "DT)" Else Response.Write strMRTime & " (" & strTimeZone & "ST)" End If Else Response.Write strMRTime End If RC "</font></td>" RC "<td class='data' width='6%' align='center'><font color='#000000' size='2'>" & strMRWindAvg & "</font></td>" RC "<td class='data' width='5%' align='center'><font color='#000000' size='2'>" & strMRWindMax & "</font></td>" RC "<td class='data' width='18%' align='center'><font color='#000000' size='2'>" & strMRWindDir & "</font></td>" RC "<td class='data' width='6%' align='center'><font color='#000000' size='2'>" & strMRTemp & "</font></td>" RC "<td class='data' width='6%' align='center'><font color='#000000' size='2'>" & strMRDewPoint & "</font></td>" RC "<td class='data' width='8%' align='center'><font color='#000000' size='2'>" & strMRPressure & "</font></td>" RC "</tr>" RC "</table>" '============================================================================= ' Build a line of controls '============================================================================= RC "<br>" ' Note that the GET method invokes the QueryString approach and submits form data in the URL. RC "<form method='GET' accept-charset='utf-8' action='rosy.asp' name='ChartingParameters' id='ChartingParameters'>" ' Removing the "name" parameter here avoids submitting this with the form. ' Another option is to use "button" instead of "input". ' The submit button. 'RC "<...........................................name='submit_button'>" RC "<input type='button' title='Query the database and update the plot.' value='" & strButtonLabel & "' name='myButton' id='myButton' style='width: 90px' onclick='submitform()'>" ' Region RC "<select title='Region' size='1' name='Region' id='Region' onChange='setRegionState()'>" arrRegions = Array("MN","CR","Misc") For each strRegionValue in arrRegions If (strRegionValue = strRegion) Then RC " <option selected>" & strRegionValue Else RC " <option>" & strRegionValue End If Next RC "</select>" ' A hidden field that serves to indicate whether a new region has been selected. This is needed ' for determining the default location if the region selection changes. RC "<input type='hidden' name='Region_state' id= 'Region_state' value='old'>" ' Location 'RWBR "strRegion = " & strRegion & ", RS= " & Request.QueryString("Region_state") & ", " & "Request.QueryString('Location') = " & Request.QueryString("Location") & ", strLocation = " & strLocation RC "<select title='Location of weather station' size='1' name='Location' id='Location' onChange='submitform()'>" strSQL = "SELECT StationNames.Priority, StationNames.StationName, StationNames.NickName FROM StationNames " & _ "WHERE ([Region]='" & strRegion & "') " & _ "ORDER BY Priority, NickName" PopulateStaticRecordset DBConnection, strSQL, rstStations rstStations.movefirst Do until rstStations.eof ' Exclude inactive stations from the selection list (marked as "skip" in the database). If (InStr(rstStations("Priority"),"skip")=0) Then 'Populate the list and set the selected station for the two regions. If (rstStations("StationName") = strLocation) Then strNameForPlot = rstStations("NickName") RC " <option value='" & rstStations("StationName") & "' selected>" & rstStations("NickName") Else RC " <option value='" & rstStations("StationName") & "'>" & rstStations("NickName") End If End If rstStations.movenext loop CloseRecordSet rstStations RC "</select>" ' Click for next location. RC "<INPUT title='Click to step through the list of locations.' type='button' style='WIDTH:18px; HEIGHT:23px; COLOR:black; padding-left:3px;' value='>' id='btnStepLocationForward' name='btnStepLocationForward' onClick='stepLocationForward()'>" ' Sensor type RC "<select title='Sensor type' size='1' name='Sensor' id='Sensor' onChange='submitform()'>" WeatherTypes = Array("Wind (0-36)", "Wind (0-40)", "Temperature", "Pressure", "Delta-P1", "Delta-P2") WeatherTypes_URL = Array("Wind36", "Wind40", "Temperature", "Pressure", "DeltaP1" , "DeltaP2") WeatherTypes_count = UBound(WeatherTypes) ' Don't offer the Delta-P plot anywhere but in the Columbia Basin. If (strRegion <> "CR") then WeatherTypes_count = WeatherTypes_count - 2 End If For intJ = 0 to WeatherTypes_count If ((WeatherTypes_URL(intJ)= strSensor) OR ((strSensor = "") AND (WeatherTypes_URL(intJ)= "Wind40"))) Then RC " <option selected value=" & WeatherTypes_URL(intJ) & " >" & WeatherTypes(intJ) Else RC " <option value=" & WeatherTypes_URL(intJ) & " >" & WeatherTypes(intJ) End If Next RC "</select>" ' Select the last day. RC "<select title='Last day' size='1' name='EndDate' id='EndDate' onChange='submitform()'>" strSQL = "SELECT DISTINCT DaysGleaned.TimeMDY FROM DaysGleaned ORDER BY DaysGleaned.TimeMDY DESC" ' See IIShelp for description of parameters: Open Method (Recordset - ADO). ' The AdCmdText just tells it that it is a SQL string in the first parameter. ' Alternatively you could tell it that the first parameter is a table name... PopulateStaticRecordset DBConnection, strSQL, rstDate rstDate.movefirst do until rstDate.eof ' Coerce the date object to a string by using the (& "") If ((dtePostedDate = (rstDate("TimeMDY") & "")) OR ((dtePostedDate = "") AND (rstDate("TimeMDY") = Date()))) then RC " <option selected>" & rstDate("TimeMDY") & " " & weekdayname(weekday(rstDate("TimeMDY")),True) Else RC " <option>" & rstDate("TimeMDY") & " " & weekdayname(weekday(rstDate("TimeMDY")),True) End If rstDate.movenext loop CloseRecordSet rstDate RC "</select>" ' Select the time range. RC "   <font color='#008080'>Days:</font>" RC "<select title='Time range' size='1' name='Days' id='Days' onChange='submitform()'>" DaysChoices = Array("1","2","3","4","5","6","7","8","9","10","14","25") For each DayValue in DaysChoices If (DayValue = intDays) Then RC " <option selected>" & DayValue Else RC " <option>" & DayValue End If Next RC "</select>" ' Time steppers RC "<INPUT title='Click to step back in time.' type='button' style='WIDTH: 18px; HEIGHT: 23px; COLOR: black; padding-left:3px;' value='<' id='btnStepBack' name='btnStepBack' onClick='stepBack()'>" RC "<INPUT title='Click to step forward in time.' type='button' style='WIDTH: 18px; HEIGHT: 23px; COLOR: black; padding-left:3px;' value='>' id='btnStepForward' name='btnStepForward' onClick='stepForward()'>" ' The 24-Hour charting option. RC "  " & _ "<input " & str24Hrs_state & " type='checkbox' name='chk24Hrs' " & _ "title='Select to display 24 hours of the most recent data (including data from yesterday) on the 1-day chart. " & _ "Please refer to the FAQ on the ""24h"" checkbox.' " & _ "onClick='submitform()'/>" & _ "<font size='2' color='#008080'>24h</font>" ' The Running-average option RW "" & _ "<input " & strRA_state & " type='checkbox' name='chkRA' " & _ "title='Select to apply a running average to all the data.' " & _ "onClick='submitform()'/>" & _ "<font size='2' color='#008080'>RA</font>" ' The timer for auto-plots RW " " & _ "<input " & strTimer_state & " type='checkbox' name='chkTimer' " & _ "title='Select to enable a repeating 5-minute countdown timer. This is synchronized with the server to trigger a chart update immediately after " & _ "the database has been updated.' " & _ "onClick='submitform()'/>" If (strTimer_state = "checked") Then ' The space in the span is needed for an initial value. The client-sided JavaScript changes this value ' every second. strTimer_value = " " Else strTimer_value = "Timer" End If RW "<span id='spTimerSec' name='spTimerSec' style='color:#008080; font-size:10pt;'>" & strTimer_value & "</span>" ' A hidden field that serves to test if the client has JavaScript enabled. Some script will ' try to change this value from F to T. RC "<input type='hidden' name='jS' id='jS' value='F'>" RC "</form>" If (Request.QueryString("jS") = "F") Then RBC "JavaScript is needed to use the charting controls and view a chart image." RBC "" RBC "Please enable JavaScript in your web browser. If you enable JavaScript, this warning" RBC "will clear after your second click of the press-to-chart button." RBC "" RBC "Note that requesting a chart update before the previous chart has completed is another" RBC "possible cause for this error message. Please wait until the image returns from the" RBC "server." Else '================================================================================= ' PLOT THE CHART... ' ' If the region has been specified in the query, then plot the chart. ' '================================================================================= If ((Request.QueryString("Region") <> "") and (strMRTime <> "-")) Then PlotTheChart Else RWBR "" RWBR "The query has returned no data for the selected sensor and location." End If End If ' Close connection to the database CloseDataConnection DBConnection 'RBC "Testing" 'RBC "Date = " & Request.QueryString("EndDate") %> <SCRIPT LANGUAGE=javascript RUNAT=Server> // Server Side Scripting in JavaScript // Running average prototype (a class) function RunningAverage( n_StackSize){ this.queue = []; this.n_StackSize = n_StackSize; this.recordCount = 0; this.recordIndex = 0; this.reset = function( recordCount){ this.queue = []; this.recordIndex = 0; this.recordCount = recordCount; //Response.write("////////////////////////////<br><br>"); } this.update = function( newValue){ var total = 0; var n_FromEnd = 0; var average = 0; this.recordIndex = this.recordIndex + 1; //Add one to the top. this.queue.push( newValue); //Scrape one off the bottom. if (this.queue.length > this.n_StackSize) { this.queue.shift(); //Response.write("Normal: one from bottom.<br>"); } // As the record index approaches the end of the recordset, gradually turn // off the running average (empty out the bottom of the queue). This causes // the last value in the running average to equal the latest reading. //Hmmmm, the need for this "+ 1" here is a nagging mystery. n_FromEnd = (this.recordCount + 1) - this.recordIndex; if (n_FromEnd == this.n_StackSize-2) { // Take only one (additional) off. this.queue.shift(); //Response.write("Special: one from bottom.<br>"); //} else if ((n_FromEnd >= 0) && (n_FromEnd < this.n_StackSize-2)){ } else if (n_FromEnd < this.n_StackSize-2){ // Take two off the bottom (because the normal bottom scraping won't // be triggered as the queue size diminishes). this.queue.shift(); this.queue.shift(); //Response.write("Special: two from bottom.<br>"); } //Sum the values. for (var i in this.queue) { total += this.queue[i]; } average = total / this.queue.length; // Debug statements. //Response.write("--New=" + newValue + "--T=" + total + "--L=" + this.queue.length + "--A=" + average + // "--n_FEnd=" + n_FromEnd + "--Index=" + this.recordIndex + "---RC=" + this.recordCount + "<br>\n"); return average; } } // Running average prototype for direction data (using components); function RunningAverage_Dir( n_StackSize){ this.n_StackSize = n_StackSize; // Instantiate a running average for each of the components. this.RA_x = new RunningAverage( n_StackSize); this.RA_y = new RunningAverage( n_StackSize); this.reset = function( recordCount){ this.RA_x.reset( recordCount); this.RA_y.reset( recordCount); } this.update = function( newDir_deg){ // Determine the components of a unit vector at the specified direction // in radians. var x = Math.cos( newDir_deg * (Math.PI/180.0) ); var y = Math.sin( newDir_deg * (Math.PI/180.0) ); // Add each component to a the running average. var x_avg = this.RA_x.update( x); var y_avg = this.RA_y.update( y); // Determine the average angle from the running averages of the components. var averageDir_deg = Math.atan2( y_avg, x_avg) * (180.0/Math.PI); // Transform the output so that all directions are positive. if (averageDir_deg < 0) { var averageDir_deg_corrected = averageDir_deg + 360.0; } else { var averageDir_deg_corrected = averageDir_deg + 0.0; } return averageDir_deg_corrected; } } function instantiateRunningAverages( traceName){ // Make two running average objects for the chart, each a 3-point average. // Set the number of points in the running average. var nPoints = 3; // These instantiated objects have global scope if the "var" word is not used // in the assignment. RA_x = new RunningAverage( nPoints); // Use a special running average for the wind-direction data. if (traceName == 'WindDirection') { RA_y = new RunningAverage_Dir( nPoints); } else { RA_y = new RunningAverage( nPoints); } } // This function determines if the supplied date is within daylight savings time. // It does this by comparing the difference between local time and GMT. This difference // is 5 hours (in the central time zone) during daylight savings time. function dayLightSavingsTime( dateToCheck ){ var dateObjectToCheck = new Date( dateToCheck); // Return true/false return (dateObjectToCheck.getTimezoneOffset() == 5*60); } </SCRIPT>  <SCRIPT LANGUAGE="javascript">  </SCRIPT> </div> </body> </html>