从0到360的SVG线性渐变 [英] SVG linear gradient from hue 0 to 360
问题描述
SVG线性渐变http://elv1s.ru/files/svg/gradient-hue .png
做这种渐变的正确方法是什么?我尝试了这个SVG :
< linearGradient id =huex1 =0y1 =1x2 =0y2 =0>
< / linearGradient>
它可以工作,但仍然不够好:
SVG线性渐变http://elv1s.ru/files/svg/gradient-hue-reference.png
我可以看到这两个渐变之间的差异。有没有更好的方法来做到这一点?
如果用Javascript生成SVG是可以接受的,你可能想看看: 如何插入HSV色彩空间中的色相值?
或者:
http://www.carto.net/papers/svg/gui/colourPicker/
编辑:其实这里有一个。那会是正确的吗?
http://upload.wikimedia.org/wikipedia/commons/5/5d/HSV-RGB-comparison.svg
SVG linear gradient http://elv1s.ru/files/svg/gradient-hue.png
What a proper way to do a gradient like this? I tried this SVG:
<linearGradient id="hue" x1="0" y1="1" x2="0" y2="0"> <stop offset="0%" stop-color="#ff0000"/> <stop offset="17%" stop-color="#ffff00"/> <stop offset="34%" stop-color="#00ff00"/> <stop offset="50%" stop-color="#00ffff"/> <stop offset="66%" stop-color="#0000ff"/> <stop offset="82%" stop-color="#ff00ff"/> <stop offset="100%" stop-color="#ff0000"/> </linearGradient>
It works, but still not good enough:
SVG linear gradient http://elv1s.ru/files/svg/gradient-hue-reference.png
I can see the difference between those two gradients. Is there a better way of doing it?
If it's acceptable to generate the SVG with Javascript you might want to look at: How to interpolate hue values in HSV colour space?
or perhaps:
http://www.carto.net/papers/svg/gui/colourPicker/
Edit: Actually there is one here. would that be correct?
http://upload.wikimedia.org/wikipedia/commons/5/5d/HSV-RGB-comparison.svg
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