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The Charts Definition Language gives the user the possibility to define his own charts on the basis of the CumulusMX infrastructure through the [[ChartsCompiler]]. This article gives the specification of that language.
=== CutilsCharts.def ===
The charts are defined in the definition file (''CutilsCharts.def'' which resides in the ''utils'' directory) which contains one or more chart specifications according to the figure below. All attributes of a plot variable are optional and if not specified have a reasonable default. All white space characters are used as separators so it is easy to make a visually attractive, readable definition file.
The text in the ''CutilsCharts.def'' is case independent, however for clarity [https://en.wikipedia.org/wiki/Camel_case CamelCase] or a variety thereof is advised.
The [[ChartsCompiler]] is obligatory after the introduction of the [[Extra Sensors|ExtraSensors]] module from version 6.5 onwards where the [[ChartsCompiler]] is used internally for defining and creating the charts for the [[Extra Sensors|ExtraSensors]] module which would otherwise - in a generic way - be virtually impossible. The ''CutilsCharts.def'' has a demarcation line which separates the Extra Sensors Charts (below) from the user charts (above). The user may want to create his own Extra Sensor Charts and he can do so by setting the parameter ''UserModificationExtraSensorCharts=true'', if he does so existing [[Extra Sensors]] charts in the ''CutilsCharts.def'' file remain untouched.
A standard ''CutilsCharts.def'' and a ''CutilsCharts-example.def'' can be found in the distribution. The first for an initial minimum setup, the second to guide the user into the possibilities.
== The specification ==
[[File:
<br clear=all>
== The Language ==
=== The Chart block ===
CHART <id> TITLE [<word>...<word>]
CONNECTSto [1 … 24]
HAS WINDBARBS [ ABOVE | BELOW ]
ZOOM <Integer>
[ PLOT [ALL||DAILY|RECENT|EXTRA] <Plotvariable> [ [[CDL - EVAL|EVAL]] '[' <Expression> ']' ] ]
| [ [[CDL - STATS|STATS]] [ALL||DAILY|RECENT|EXTRA] <Plotvariable> <Stats Type> ]
AS <Line Type>
COLOUR <HTML Color>
OPACITY <Integer>.<Integer>
AXIS <Axis Type>
INVISIBLE
PLOT blocks repeated
[...]
ENDCHART
OUTPUT <filespec>
INFO " <free text> "
CHART […] ENDCHART blocks repeated
The output specifier gives the user the possibility to define charts as he likes and to place these in the menu wherever he likes. In the [[Website Generator]] the placements of the charts at the moment will be limited to the [[User Defined Menu]]. In modular use the user can do whatever he likes with the resulting files. In the website the charts require the datafiles to be in the current directory.
=== Info specifier ===
A free helptext can be specified after the chart using this keyword:
INFO " This is a free HTMLformat helptext which can contain an axplanation of the chart "
The double quotes around the helptext are obligatory and must be enclosed by spaces.
=== Keywords ===
==== Explanation of the definition Keywords ====
#EQUATIONS (Optional construct): Starts an equations block. Such block only defines (partial) equations, it does not cause code generation in itself
#CHART: Starts a chart definition
#TITLE: Starts the title. All words until the next keyword comprise the title of the chart
#CONNECTSTO (Optional construct): The integer numbers which follow CONNECTSTO represent a pane in the realtime [[Dashboard|dashboard]]. When clicked on that pane this chart appears. This is only valid on charts in the default output. For other outputs there is no semantics for CONNECTSTO and a warning is issued in the logfile if it is specified in any second or higher output.
#HAS WINDBARBS [ ABOVE | BELOW ] (Optional construct): Defines if the chart displays the WINDBARBS showing direction and speed as indicators (this is not an exact plot of wind). Above | Below specifies the place in the chart.
#ZOOM (Optional construct): Indicates which range selector button is the default when the chart is displayed; Defaults depend on chart range.
#PLOT: Starts the plot specification using one of the possible variables. Each chart requires at least one PLOT.
#[[CDL - STATS|STATS]]: Starts the statistics block using one of the possible variables. Semantics demands the variable to be plotted normally as well. IF a STATS of an equation plot is to be requested, the PLOT statement of the equation must precede the STATS statement.
#RECENT: Defines the variable to be governed by the CMX parameter ''GraphHours'' and are similar to the CMX RECENT graphs (though not equal).
#ALL: Defines the variable to be taken from the [[Dayfile.txt|Dayfile]] and all data for that variable will be plotted (Note that the CMX parameter ''ChartMaxDays'' will not be used)
#DAILY: Identical to the ALL keyword but it sets the datarange for the chart to one month while the ALL keyword sets it to one year.
#EXTRA: Defines the variable to be an extra sensor variable. It has an implicit datarange of RECENT.
#AS (Optional construct): Defines the type of charting for that variable. All attributes of AS are optional.
#[[CDL - EVAL|EVAL]] [ ]: Defines an expression for the plot variable. The equation must be placed between the square brackets, space has no value here (does not act as separator).
#COLOUR: Defines the colour of that variable.
#ZINDEX: Defines the zIndex plane for that variable.
#LINEWIDTH: Defines the linewidth for that variable. When the chart type is ''scatter'', this attribute defines the radius of the points.
#OPACITY: Defines the opacity for that variable (important for area and column graphs)
#AXIS: Gives the user the possibility to specify an axis when using the EVAL construct otherwise an error is generated.
#INVISIBLE: Gives the user the possibility to switch off the initial display of a series.
#ENDCHART: End the chart definition
#OUTPUT (Optional construct): Gives an optional name of an outputfile which starts at the chart where it is defined. Any chart after this OUTPUT specifier goes to this OUTPUT until another OUTPUT is found. Only the first OUTPUT specifier (implicitly: cumuluscharts.txt) accepts click events as defined by CONNECTSTO.
#INFO (Optional construct): Introduces a helptext section for the chart. The free text is enclosed in double quotes and cannot contain double quotes. The double quotes are delimited by a space character.
#PERIOD: Only in the context of the STATS function SMA. Gives the period of that specific running average
The keywords for the actual parameters and the Graph Types speak for themselves.
"WindGust", "WindSpeed",
"Bearing", "AverageBearing",
"UV", "
"RainFall", "RainRate",
"Pressure",
"EvapoTranspiration"
NOTE: The RECENT qualifier is optional as it is the default for a chart.<br/>
NOTE: The zoom buttons for the RECENT chart <math>1/4</math> and <math>1/2</math> the value of the hours specified in the CMX parameter ''GraphHours''.
===== With the ALL/DAILY qualifier =====
"MinTemp", "MaxTemp", "AverageTemp", "AvgWindChill", "MaxDewpoint", "MinDewpoint","MaxFeelsLike", "MinFeelsLike",
"MaxGust", "WindRun", "HighAvgWindSpeed",
"UV-Index", "SolarRadiation", "SunHours",
"
"MinBarometer", "MaxBarometer",
"MinHumidity", "MaxHumidity",
"HeatingDegreeDays","CoolingDegreeDays","
Note: The difference between ALL and DAILY is only between the displayed datarange (6 months or 1 month)
===== With the EXTRA qualifier =====
"Temp1","Temp2","Temp3","Temp4","Temp5","Temp6","Temp7","Temp8","Temp9","Temp10",
"Humidity1","Humidity2","Humidity3","Humidity4","Humidity5","Humidity6","Humidity7","Humidity8","Humidity9","Humidity10",
"Dewpoint1","Dewpoint2","Dewpoint3","Dewpoint4","Dewpoint5","Dewpoint6","Dewpoint7","Dewpoint8","Dewpoint9","Dewpoint10",
"SoilTemp1","SoilTemp2","SoilTemp3","SoilTemp4","SoilTemp5","SoilTemp6","SoilTemp7","SoilTemp8","SoilTemp9","SoilTemp10",
"SoilTemp11","SoilTemp12","SoilTemp13","SoilTemp14","SoilTemp15","SoilTemp16",
"SoilMoisture1","SoilMoisture2","SoilMoisture3","SoilMoisture4","SoilMoisture5","SoilMoisture6","SoilMoisture7","SoilMoisture8","SoilMoisture9","SoilMoisture10",
"SoilMoisture11","SoilMoisture12","SoilMoisture13","SoilMoisture14","SoilMoisture15","SoilMoisture16",
"AirQuality1","AirQuality2","AirQuality3","AirQuality4",
"AirQualityAvg1","AirQualityAvg2","AirQualityAvg3","AirQualityAvg4",
"UserTemp1","UserTemp2","UserTemp3","UserTemp4","UserTemp5","UserTemp6","UserTemp7","UserTemp8",
"LeafTemp1","LeafTemp2","LeafWetness1","LeafWetness2",
"CO2", "CO2_24h", "CO2_pm2p5", "CO2_pm2p5_24h","CO2_pm10","CO2_pm10_24h","CO2_temp","CO2_hum"
Note: The EXTRA qualifier indicates plotvariables for the Extra Sensors. These are implicit RECENT but come from a different source.
==== Types ====
===== Axis Types =====
The following Axis are possible.
Temp, Wind, Distance, Height, Hours, Solar, UV, Rain, Rrate, Pressure, Humidity, DegreeDays, EVT, AQ, ppm, Free
This only has meaning if there is an [[CDL - EVAL|EVAL]] with a valid expression present. As an [[CDL - EVAL|EVAL]] may modify the value of the plot variable to something completely different, the original Axis belonging to that plot variable may be useless or scale wrongly. Therefore you can choose your own Axis. If there is no valid equation, a warning is given and no axis is generated.
===== Other Types =====
=== Equations ===
See page [[CDL - EVAL]].
== The Chart Axis ==
All PlotVariables have their own defined axis and those axis will be coupled automatically to the chart. Multiple axis will be alternately added left-right where the order in the definition files determines this order. So it is the user who ultimately can define where the axis are
The scaling of the axis is flexible i.e. it starts with a reasonable value for the upper and lower bounds and adjusts if the real values are higher or lower. For some axis the lower bound is always 0 (e.g. rain) for another the upper and lower bounds are fixed. Specifics are found below.
The following axis are currently defined and implicit for the plot variables (the user has no options here):
#'''None'''
#'''Temp''' - automatic scaling for min/max
#'''Pressure''' - scaling with a pseudo-fixed scale which means the min/max values of the scale are set to the min/max all time records found in ''alltime.ini''. Highcharts itself sets the scale values such that there is a tick at the end of the scale and the min/max values fall between the ticks at the end of the scale. If the pressure gets a lower/higher value the axis will adjust automatically. The idea is that any barometer you have at home has a fixed scale and with small variations there is little movement of the needle. However when the pressure starts falling/rising significantly it is very obvious. This behaviour is mimicked by CUtils (as far as possible)
#'''Rain''' - automatic scaling with minimum value of 0 and an initial maximum of 1 (to accommodate measurement in inches)
#'''Rrate''' - automatic scaling with minimum value of 0 and an initial maximum of 1 (to accommodate measurement in inches)
#'''Wind''' - automatic scaling for min/max
#'''Direction''' - scaling is fixed for 0 to 360 degree. When only direction is plotted two axis are created: in degrees and in wind directions (N, E, S, W). When combined with another unit only the axis with wind directions is used.
#'''Humidity''' - scaling is fixed between 0 and 100
#'''Solar''' - scaling is fixed between 0 and a rough estimate of the maximum theoretical value for radiation + 50 to give the scale some space. If the actual value goes beyond that, the scale will adjust.
#'''UV''' - automatic scaling for maximum, minimum is 0
#'''Hours''' - automatic scaling for maximum, minimum is 0
#'''Distance''' - automatic scaling for maximum, minimum is 0
#'''Height''' - automatic scaling for maximum, minimum is 0, basically used for the Cloudbase
#'''DegreeDays''' - automatic scaling for maximum, minimum is 0
#'''EVT''' - automatic scaling for maximum, minimum is 0
#'''Free''' - has no title, unit or context associated with it. It just displays values. Automatic scaling for min/max.
#'''AQ''' - automatic scaling for maximum, minimum is 0
#'''ppm''' - automatic scaling for maximum which starts at 500, minimum is 0. The default maximum is because the CO<sub>2</sub> value is around 420 (in 2022) outdoors.
Translations for the axis titles come from the [Website] section (until '''''EVT''''') and should require no additional effort.
Subsequent translations of axis titles come from the [Compiler] section (from '''''Free''''' onwards) and may require translation.
== Additional details ==
#All parameters can be combined in one graph with the corresponding axis automatically added. <s>Only when scatter is defined as Line Type it is forbidden to combine it with one of the other possibilities. This may change in future.</s> The scatter combination with other charts types is now available but may be subject to change.
#The Legend texts are implemented as translations of the PlotKeywords (the Plot Variables). You will find these in the translation file section [Compiler]. Legend entries can be multiple words (the keywords can not).
#The width of the graph container is 100% of the viewport.
#The height of the graph container can be specified in the
[
ChartContainerHeight=650 (Default)
#The Plot Variables Evapotranspiration, CoolingDegreeDays and Heating DegreeDays are not supplied by CMX in the JSONs. CumulusUtils provides those automatically when used in the definitions (on request) with the commandline parameter
#All Extra Sensor Plotvariables are supplied by CumulusUtils through the commandline parameter [[UserAskedData]].
#For the commandline parameter [[UserAskedData]]: see also [[ChartsCompiler#Operation|ChartsCompiler Operation]].
#You have to schedule [[UserAskedData]] command if you wish to use the FTP frequency CMX uses for its JSON's. Note that these JSON files specific to CumulusUtils '''always reside in the website root''' of CumulusUtils, even if you have more websites and define the ''CumulusRealTimeLocation''.
#If the user uses different locales for CMX and CumulusUtils the monthly log filenames will be according to the locale of CMX. This creates an issue which is solved by the inifile parameter:
[General]
MonthsOfMiracleAndWonder=jan,feb,mrt,apr,mei,jun,jul,aug,sep,okt,nov,dec
Default this variable contains the abbreviated month names according to the locale of CumulusUtils. The user may edit those names to the ones used by CMX if CMX uses another ''locale'' than CumulusUtils which creates conflicts in the names the monthly log files.
== Example CutilsCharts.def ==
The Chart definitions below is included in the distribution of CumulusUtils and serves as an example.
<pre style="height: 700px; overflow:scroll; width:auto;" >
;
; ChartsCompiler Demo and test chart definitions - Part of CumulusUtils
;
; © Copyright 2019 - 2021 Hans Rottier <hans.rottier@gmail.com>
;
;
; Author: Hans Rottier <hans.rottier@gmail.com>
; Project: CumulusUtils meteo-wagenborgen.nl
; Date: 04-08-2021
;
Equations
; Water Vapour Saturation Pressure according to the August-Roche-Magnus equation for the 1980 version, the 2008 version and the sub-zero version
Psat2008 EVAL [ 6.112 * EXP(17.62*Temperature/(243.12+Temperature)) ]
Psat2008ALL EVAL [ 6.112 * EXP(17.62*AverageTemp/(243.12+AverageTemp)) ]
Psat1980 EVAL [ 6.1094 * EXP(17.625*Temperature/(243.04+Temperature)) ]
PsatSub0 EVAL [ 6.112 * EXP(22.46*Temperature/(272.62+Temperature)) ]
; Actual Vapour Pressure
Avp Eval [ Humidity / 100 * Psat2008 ]
; Humidex as in CMX
CDLHumidex Eval [ (Temperature + 5.0 / 9.0 * (Psat2008 - 10.0)) ]
; Do the WindChill According to https://sciencing.com/relative-humidity-7611453.html / CMX
; Note: the eqn is only valid for degr Celsius and Kmh.
; See https://sciencing.com/relative-humidity-7611453.html for imperial formula.
; WindPOW Eval [ pow(WindSpeed, 0.16) ]
; CDLWindChill Eval [ 13.12 + 0.6215 * Temperature - 11.37 * WindPOW + 0.3965 * Temperature * WindPOW ]
; Apparent Temperature as in CMX (WindSpeed in ms so convert to Kmh, divide by 3.6
AppTemp Eval [ Temperature + 0.33 * Avp - 0.7 * WindSpeed / 3.6 - 4.0 ]
; WetbulbTemperature in degr Celsius
WetBulbTemp Eval [ 0.00066 * Pressure * Temperature + 4098 * Psat2008 / (Pow( Dewpoint + 237.7, 2) * Dewpoint) / (0.00066 * Pressure + 4098 * Psat2008 / Pow(Dewpoint + 237.7, 2)) ]
Chart Overzicht Title Overzicht van de huidige weerstatus ConnectsTo 2 4 15 20
Has WindBarbs Above
PLOT Temperature Colour #058DC7 zindex 90
PLOT DewPoint Colour #50B432 zindex 80
PLOT pressure Colour red zindex 70
Plot Humidity Colour #64E572 zindex 60
Plot SolarRadiation As Area Opacity 0.2 Colour Orange zindex 20
Plot RainFall As Area colour #33B4FF opacity 0.2 zindex 10
EndChart
Chart Temperatuur Title Temperatuur en afgeleiden ConnectsTo 1 13 14
Plot InsideTemp As Spline Colour #DDDF00 zIndex 100
PLOT Temperature As SPline Colour #058DC7 zindex 90
PLOT FeelsLike As SPline Colour #ED561B zindex 80
PLOT DewPoint As SPline Colour #50B432 zindex 70
EndCHART
Chart Wind Title Wind ConnectsTo 5 8
Plot WindGust
Plot WindSpeed
EndCHART
Chart Windrichting Title Windrichting ConnectsTo 6 7
Plot Bearing As Scatter
Plot AverageBearing As Scatter
EndCHART
Chart Regen Title Regen and Regensnelheid ConnectsTo 3 21 22
Plot RainFall As Area Colour green Opacity 0.2
Plot RainRate zIndex 100
EndChart
Plot Humidity
Plot InsideHumidity
EndChart
Plot
Plot
EndChart
CHART DagelijkseTemp TITLE Dagelijkse gem. temperatuur met columnrange
PLOT DAILY AverageTemp colour green As ColumnRange
PLOT DAILY AverageTemp colour black As spline
EndChart
CHART DagelijkseBaro TITLE Dagelijkse gem. barometer met columnrange
PLOT DAILY MinBarometer colour Crimson As ColumnRange
PLOT DAILY AverageBarometer EVAL [ (MinBarometer + MaxBarometer)/2 ] colour black As spline Axis Pressure
EndChart
CHART DagTemp TITLE Dagelijkse Gemiddelde Temperatuur met Min/Max van afgelopen jaar
PLOT DAILY AverageTemp colour green
Plot DAILY MinTemp colour blue
Plot DAILY MaxTemp colour red
EndChart OUTPUT AllChart.txt
Chart DagRegen Title Dagelijkse regenval van afgelopen jaar
Plot DAILY RainFall As Column colour lightblue
EndChart
Plot ALL SunHours As Column colour gold
EndChart
Chart TempEVT Title Temperatuur en EVT - Historische Data ConnectsTo 12 23 24
PLOT ALL Evapotranspiration As Column Colour #cc0000
EndCHART OUTPUT RarityCharts.txt
PLOT Temperature As SPline Colour #058DC7 zindex 90 LineWidth 10
PLOT Evapotranspiration As Area Colour #cc0000
EndCHART
Plot All AverageTemp
Plot ALL CoolingDegreeDays
Plot ALL HeatingDegreeDays
Plot All Evapotranspiration
EndChart
CHART DailyTemp TITLE Dagelijkse temp met rangecolumn
PLOT DAILY AverageTemp colour green As ColumnRange
PLOT DAILY AverageTemp colour black As spline
EndChart OUTPUT ColumnRange.txt
CHART DailyBarometer TITLE Dagelijkse Barometer met rangecolumn
PLOT DAILY MinBarometer colour Crimson As ColumnRange
PLOT DAILY AverageBarometer EVAL [ (MinBarometer + MaxBarometer)/2 ] colour black As spline Axis Pressure
EndChart
CHART DailyTempStats TITLE Temp with statistics offset 5
PLOT ALL AverageTemp colour pink
PLOT ALL sumAverageTemp EVAL [ Sum(AverageTemp-5) ] COLOUR green AXIS DegreeDays
STATS ALL AverageTemp SMA COLOUR crimson
EndChart Output Statistics.txt
CHART DailyRainStats TITLE Rain with statistics
PLOT ALL RainFall colour CornflowerBlue as column
PLOT ALL sumRainFall EVAL [ SUM( RainFall) ] COLOUR crimson AXIS Free
STATS ALL RainFall SMA colour green
EndChart
; Documentation:
; https://en.wikipedia.org/wiki/Dew_point
; https://iridl.ldeo.columbia.edu/dochelp/QA/Basic/dewpoint.html
;
; Compare the Dewpoint from Cumulus with the caclculated approximation
; Later I will enter the Cumulus Calculation and have the Humidity be produced by the Davis station
; Nice comparison
;
Chart Dewpoint Title Dewpoint Calculations in CDL
Plot Humidity
Plot Dewpoint
Plot Approximation1 EVAL [ (243.12 * LN(Psat2008) - 440.1) / (19.43 - LN(Psat2008)) ] Axis Temp
Plot Approximation2 EVAL [ Temperature - ((100 - Humidity)/5) ] Axis Temp
; STATS Dewpoint SMA colour green
EndChart
Chart VapourPressure Title August-Roche-Magnus Eqn 1980/2008/SubZero in CDL
Plot Temperature
Plot Psat2008 Eval [ Psat2008 ] Axis Free
Plot Psat1980 Eval [ Psat1980 ] Axis Free
Plot PsatSub0 Eval [ PsatSub0 ] Axis Free
Plot Avp Eval [ Avp ] Axis Free
EndChart
Chart TempDerivatives Title Temperature Derivatives full in CDL
Plot Temperature
; Plot CDLWindChill Eval [ CDLWindChill ] Axis Temp
Plot AppTemp Eval [ AppTemp ] Axis Temp
Plot WetBulbTemp Eval [ WetBulbTemp ] Axis Temp
Plot CDLHumidex Eval [ CDLHumidex ] Axis Temp
EndChart
Chart pwsFWI Title Raw pwsFWI as a chart
Plot DAILY pwsFWI Eval [ Psat2008ALL * (1 - MinHumidity/100)*HighAvgWindSpeed ] As spline Axis Free Colour Crimson
EndChart Output pwsFWIchart.txt
Chart pwsFWInow Title Raw pwsFWI intraday as a chart
Plot RECENT pwsFWI Eval [ Psat2008 * (1 - Humidity/100)*WindSpeed ] As spline Axis Free Colour Red
EndChart
</pre>
[[Category:CumulusUtils]]
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