36 lines
1.7 KiB
Plaintext
36 lines
1.7 KiB
Plaintext
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<?xml version="1.0" encoding="UTF-8"?>
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<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
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<_name>The Spiral of Archimedes</_name>
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<id>fablabchemnitz.de.archimedesspiral</id>
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<param name="name" appearance="header" type="description">R = r + aθ</param>
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<param name="r" type="int" min="0" max="1000000" _gui-text="r (mm)">50</param>
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<param name="a" type="float" min="0" max="1000000" _gui-text="a">3</param>
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<param name="step" type="int" min="1" max="300" _gui-text="Step">50</param>
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<param name="trl" type="optiongroup" _gui-text="Turn direction">
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<option value="0">Left</option>
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<option value="1">Right</option>
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</param>
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<param name="length" type="float" min="0" max="1000000" _gui-text="Length (mm)">0</param>
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<param name="turns" type="int" min="1" max="1000000" _gui-text="Turns">5</param>
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<param name="desc" appearance="header" type="description">Notes</param>
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<param name="desc_text" type="description">
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The option "turns" only works if you set "length (mm)" to 0.0.
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Otherwise the length value will be used to calculate the
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spiral for given length. The higher the "step" value is
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set the better the accuracy is. If you set the step value
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really low the resulting length will not be precise and
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the curve is maybe not drawn at all. You can validate the
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length by using the extension "Visualize Path > Measure Path"
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</param>
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<effect>
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<object-type>all</object-type>
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<effects-menu>
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<submenu _name="FabLab Chemnitz">
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<submenu _name="Shape/Pattern from Generator" />
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</submenu>
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</effects-menu>
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</effect>
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<script>
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<command reldir="extensions" interpreter="python">fablabchemnitz_archimedesspiral.py</command>
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</script>
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</inkscape-extension>
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