svginkscape
How to scale svg shape along one axis without distorting strokes and borders
Here I have this kind of svg image with some magnetic field plotted (a zoomed extract in png)
I need to scale it along the x axis only, I did it with Inkscape (which use svg scale or matrix transform operations), and I get this :
But borders and strokes became uneven, I would like to be able to scale the positions of the paths and shapes without skewing the stroke themselves... Possibly with Inkscape, or with any script based procedure. Do you know a trick ?
Edit (link to the original pictures, with the scaling problem, on the second one we can clearly see that the width of the strokes and borders is compressed along the x axis)
Solution
If you select the whole SVG, or a group of paths and apply a transform to the group, then everything inside the group will be affected by the transform. As you have seen.
The laborious fix is to separate the magnetic field lines from the magnet. Scale the magnet. Then manually reposition the field line path points so that they are again in the right place.
A quicker, clumsier fix is to set vector-effect="non-scaling-stroke" on all paths. As I have done in the demo below.
path {
vector-effect: non-scaling-stroke;
}<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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xmlns:cc="http://creativecommons.org/ns#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
version="1.1"
id="svg2"
viewBox="0 0 563.82182 362.26449"
height="102.23909mm"
width="159.12305mm">
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