The special feature is that the data is retained in its original format and can be easily supplemented or changed later.
In particular, a clear structure is produced, which can easily be modified with any text editor.
Copy the resulting preview text into a text file chart.svg and open this file in your browser or SVG viewer. You get a result like these:
Usage
Create the template {{SVG Chart}} somewhere. This means: put for instance the text in the light gray box above, which starts with {{SVG Chart on some existing page, for instance, your own user page here on Wikimedia Commons (not on Wikipedia, where it will not have any effect).
Adjust the numbers and put in your own data and descriptions of the axes. Note that if you put any text in your graph, you automatically restrict its usage to a single language version of Wikipedia; consider whether descriptions of the axes are really needed.
Press the "Preview" button. You now see a page with instructions followed by the source code of an SVG file on a light gray background. The instructions at the top match the next few steps in this list here.
Paste (with mouse) and copy (<Ctrl>+<C>) the text in the light gray box.
Create an empty SVG file e.g. mychart.svg on your computer.
Open that file with a plain text editor, e.g. Notepad.
Paste (<Ctrl>+<V>) the copied data into the text file. Save that file (<Ctrl>+<S>).
Check the file by drag and drop on your browser, with Jarry1250's SVG Check or File:Test.svg. If you did not change the data in step 2, you will see a red and a blue W.
If the check is successfully, store your file with Commons:Upload.
After uploading, put the source code (the text that starts with {{SVG Chart) on the Talk page of the newly created Commons file (go to the file, and click on the "Discussion" tab at the top of the page) so that others can easily update your graph in the future.
Main parameters
Required parameters
Param
Description
Value
Default
XMin, XMax
Range of values on x axis.
Numbers
0, 100
YMin, YMax
Range of values on y axis.
Numbers
0, 50
XAxisText
Description of values of x axis.
Text
-
YAxisText
Description of values of Y axis.
Text
-
Graph1Values ... Graph8Values
Any number of pairs of numbers are entered here. The first number of each pair is the x value. The second number of each pair is the y value. The numbers must be separated by spaces. For better readability, in the svg file, there should be 5 spaces before each pair of values.
Couples of numbers
-
The differences of XMax - XMin and YMax - YMin should so far as possible similar. If not, divide or multiply the x or y chart values by multiples of 10.
Optional parameters
Param
Description
Value
Default
Title
A general short title for the diagram. This title is visible on top of the chart and readable in programs.
Text
-
Description
The description can contain more informations to the diagram, for example the source of data. This information is not visible on the generated chart.
Every axis is shown automatically.
Commonly are to be shown markers on axis.
This is possible with the following values:
Param
Description
Value
Default
XAxisMarkStart YAxisMarkStart
The displacement of the first marker in relation to the axis origin.
Numbers
0
XAxisMarkStep YAxisMarkStep
The distance of the markers, should be the 5th to 10th part of whole length.
Numbers
1
XAxisMark2StepYAxisMark2Step
The distance of the intermediate markers, should be the 2th to 5th part of X or YAxisMarkStep.
Number
-
XAxisValueStart YAxisValueStart
The number of the first value.
Number
XMin, YMin
XAxisValueStep YAxisValueStep
The difference of number of following numbers.
Number
XAxisMarkStepYAxisMarkStep
XAxisValuePosStart YAxisValuePosStart
The position of the first value.
Number
coordinate origin
XAxisValuePosStep YAxisValuePosStep
The distance of following values.
Number
XAxisMarkStepYAxisMarkStep
XAxisValueRound YAxisValueRound
The values of the axes are rounded with the herewith given precision.
Number
-
XAxisValueSVG YAxisValueSVG
The text of the axis is completely replaced by the herewith provided SVG instructions. For this you can use the generated svg instructions which are included in the IDs "axistext-x" and "axistext-y".
Text
-
YAxisTextX
Position of axis description in percent.
Value
100
YAxisValueSuffix
A suffix for values, e.g. %. If needed, a space is to write additional.
Text
-
2nd (Right) Axis (Optional)
Param
Description
Value
Default
YAxis2MarkStart
The displacement of the first marker in relation to the axis origin.
Numbers
0
YAxis2MarkStep
The distance of the markers, should be the 5th to 10th part of whole length.
Numbers
1
YAxis2ValueStart
The number of the first value.
Number
XMin, YMin
YAxis2ValueStep
The difference of number of following numbers.
Number
YAxis2MarkStep
YAxis2ValuePosStart
The position of the first value.
Number
coordinate origin
YAxis2ValuePosStep
The distance of following values.
Number
YAxis2MarkStep
YAxis2TextX
Position of axis description in percent.
Value
100
Grid
You can realize vertical and horizontal grid lines.
The following parameters are available:
Param
Description
Value
Default
XGrid
Value of distance of vertical or lines.
Number
XAxisMarkStep
YGrid
Value of distance of horizontal lines.
Number
YAxisMarkStep
Legend
Param
Description
Value
Default
LegendType
Type of legend.
none - no legend box - names of charts in column line - names of charts side by side (experimental)
Text
box
Graph1Text … Graph8Text
Name of the corresponding chart.
Text
Simple name
LegendX
Position of left side of legend to coordinate origin, in percent.
Number
100
LegendY
Position of top of legend to coordinate origin, in percent.
Number
100
LegendWidth
Width of legend.
Number
Fixed internal value
LegendBorder
none, if border shall not be visible.
Text
Yes
LegendSVG
The legend of the diagram is completely replaced by herewith provided SVG instructions.
Text
-
Additional text
Param
Description
Value
Default
Text1 … Text6
Any text. May be a description for a chart inside of the diagram.
Text
Graph1Text … Graph8Text
Text1X … Text1X
The horizontal position of the text. Must be a number between XMin and XMax.
Number
0
Text1Y … Text1Y
The vertical position of the text. Must be a number between YMin and YMax.
Number
0
Graph
Param
Description
Value
Default
Graph1Color … Graph8Color
Color of chart line. May be rgb(75%, 10%, 10%) and other.
Color term
blue, red, …
Graph1Line … Graph8Line
none, if line of chart shall not be visible.
Text
-
GraphWidth
Thickness of all lines.
Number
100
Graph1Width
Thickness of first line.
Number
100
Marker
An alternate possibility is to show markers. In this case, the line stay visible or be off.
Param
Description
Value
Default
Graph1Marker … Graph8Marker
Type of marker for corresponding chart. 1 - Square 2 - Circle 3 - Triangle 4 - Diamond 5 - Inverted triangle 6 - X
Number
yes for default
Graph1MarkerSize … Graph8MarkerSize
Size of chart marker in percent.
Number
100
Graph1MarkerFill … Graph8MarkerFill
Color of the filling or none.
Color term
Color of the border
Image size
Param
Description
Value
Default
GraphStretchWidth
Width of the chart in percent. This value should be between 100 and 300. Must be divisible by 10 to display chart correctly.
Number
100
GraphStretchHeight
Height of the chart in percent. This value should be between 100 and 300. Must be divisible by 10 to display chart correctly.
Number
100
ImageSize
This parameter changes the overall width of the image. The graphs, lines and text are changed proportionally. Default is 750px.
Number
100
ImageTop
Modification of the space on top of the diagram.
Number
internal value
ImageRight
Modification of the space on the right side of the diagram in percent to the whole size of image.
Number
internal value, about 10
ImageBottom
Modification of the space below the diagram.
Number
internal value
ImageLeft
Modification of the space on the left side of the diagram.
Number
internal value
ElementsWidth
Width and size of alle image elements like lines, text and markers.
Number
100
Font size
Param
Description
Value
Default
FontSize
General font size in percent.
Number
100
FontSizeTitle
Font size of the title text in percent.
Number
100
LegendFontSize
Font size of legend text in percent.
Number
General font size
XAxisFontSize, YAxisFontSize
Font sizes of axis text in percent.
Value
100
ChartTextFontSize
Font size of chart text in percent.
Number
100
SVG additionals
Param
Description
Value
Default
BackgroundSVG
SVG instructions for the background of the chart area.
Text
-
ForegroundSVG
SVG instructions for the foreground of the chart area.
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