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| author | Nicolas Dufour <nicoduf@yahoo.fr> | 2010-12-30 08:08:48 +0000 |
|---|---|---|
| committer | JazzyNico <nicoduf@yahoo.fr> | 2010-12-30 08:08:48 +0000 |
| commit | 19129af2095dea8635042359cb15103371f73e83 (patch) | |
| tree | 4d584aeff67acec26df62f7c09a360476e61af85 | |
| parent | check for element modification before filling undo stack (diff) | |
| download | inkscape-19129af2095dea8635042359cb15103371f73e83.tar.gz inkscape-19129af2095dea8635042359cb15103371f73e83.zip | |
Extensions. Gear extension with center hole (see Bug #692719, gear extension should have option to render a central hole).
(bzr r9992)
| -rw-r--r-- | share/extensions/gears.inx | 11 | ||||
| -rw-r--r-- | share/extensions/gears.py | 21 |
2 files changed, 29 insertions, 3 deletions
diff --git a/share/extensions/gears.inx b/share/extensions/gears.inx index 8360a3745..ec733fb6b 100644 --- a/share/extensions/gears.inx +++ b/share/extensions/gears.inx @@ -5,8 +5,15 @@ <dependency type="executable" location="extensions">gears.py</dependency> <dependency type="executable" location="extensions">inkex.py</dependency> <param name="teeth" type="int" min="6" max="360" _gui-text="Number of teeth:">24</param> - <param name="pitch" type="float" min="0.0" max="1000.0" _gui-text="Circular pitch (px):">20.0</param> - <param name="angle" type="float" min="10.0" max="30.0" _gui-text="Pressure angle:">20.0</param> + <param name="pitch" type="float" min="0.0" max="1000.0" _gui-text="Circular pitch (tooth size):">20.0</param> + <param name="angle" type="float" min="10.0" max="30.0" _gui-text="Pressure angle (degrees):">20.0</param> + <param name="centerdiameter" type="float" min="0.0" max="1000.0" _gui-text="Diameter of center hole (0 for none):">20.0</param> + <param name="unit" _gui-text="Units:" type="optiongroup" appearance="minimal"> + <_option value="px">px</_option> + <_option value="in">in</_option> + <_option value="mm">mm</_option> + </param> + <param name="unit_text" type="description">Unit of measure for both circular pitch and center diameter.</param> <effect> <object-type>all</object-type> <effects-menu> diff --git a/share/extensions/gears.py b/share/extensions/gears.py index 8f4745423..a1b3ee666 100644 --- a/share/extensions/gears.py +++ b/share/extensions/gears.py @@ -21,6 +21,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA import inkex import simplestyle, sys from math import * +import string def involute_intersect_angle(Rb, R): Rb, R = float(Rb), float(R) @@ -55,11 +56,20 @@ class Gears(inkex.Effect): action="store", type="float", dest="angle", default=20.0, help="Pressure Angle (common values: 14.5, 20, 25 degrees)") + self.OptionParser.add_option("-c", "--centerdiameter", + action="store", type="float", + dest="centerdiameter", default=10.0, + help="Diameter of central hole - 0.0 for no hole") + self.OptionParser.add_option("-u", "--unit", + action="store", type="string", + dest="unit", default="px", + help="unit of measure for circular pitch and center diameter") def effect(self): teeth = self.options.teeth - pitch = self.options.pitch + pitch = inkex.unittouu( str(self.options.pitch) + self.options.unit) angle = self.options.angle # Angle of tangent to tooth at circular pitch wrt radial line. + centerdiameter = inkex.unittouu( str(self.options.centerdiameter) + self.options.unit) # print >>sys.stderr, "Teeth: %s\n" % teeth @@ -157,6 +167,15 @@ class Gears(inkex.Effect): style = { 'stroke': '#000000', 'fill': 'none' } gear_attribs = {'style':simplestyle.formatStyle(style), 'd':path} gear = inkex.etree.SubElement(g, inkex.addNS('path','svg'), gear_attribs ) + if(centerdiameter > 0.0): + center_attribs = {'style':simplestyle.formatStyle(style), + inkex.addNS('cx','sodipodi') :'0.0', + inkex.addNS('cy','sodipodi') :'0.0', + inkex.addNS('rx','sodipodi') :str(centerdiameter/2), + inkex.addNS('ry','sodipodi') :str(centerdiameter/2), + inkex.addNS('type','sodipodi') :'arc' + } + center = inkex.etree.SubElement(g, inkex.addNS('path','svg'), center_attribs ) if __name__ == '__main__': e = Gears() |