FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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fix in convex hull

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This commit is contained in:
leyghisbb 2021-04-14 20:53:56 +02:00
parent 632b62b481
commit edc8313bbf
1 changed files with 25 additions and 20 deletions
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45
extensions/fablabchemnitz/convexhull.py
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@ -76,9 +76,10 @@ class ConvexHull(inkex.EffectExtension):
etree.SubElement(g, inkex.addNS('path', 'svg' ), line_attribs) etree.SubElement(g, inkex.addNS('path', 'svg' ), line_attribs)
def effect(self): def effect(self):
global output_nodes, points
#Loop through all the selected items in Inkscape if len(self.svg.selected) > 0:
for node in self.svg.selected.values(): global output_nodes, points
#create numpy array of nodes #create numpy array of nodes
n_array = [] n_array = []
@ -98,22 +99,26 @@ class ConvexHull(inkex.EffectExtension):
n_array.append(csp[1][0]) n_array.append(csp[1][0])
n_array.append(csp[1][1]) n_array.append(csp[1][1])
k = n.asarray(n_array) k = n.asarray(n_array)
length = int(len(k)/2) length = int(len(k)/2)
c = k.reshape(length,2) c = k.reshape(length,2)
hull_pts = qhull(c) hull_pts = qhull(c)
pdata = '' pdata = ''
for vertex in hull_pts: for vertex in hull_pts:
if pdata == '': if pdata == '':
pdata = 'M%f,%f' % (vertex[0], vertex[1] ) pdata = 'M%f,%f' % (vertex[0], vertex[1] )
else: else:
pdata += 'L %f,%f' % (vertex[0], vertex[1] ) pdata += 'L %f,%f' % (vertex[0], vertex[1] )
pdata += ' Z' pdata += ' Z'
path = 'polygon' path = 'polygon'
makeGroup = False makeGroup = False
paths_clone_transform = None paths_clone_transform = None
self.joinWithNode(path, pdata, makeGroup, paths_clone_transform ) self.joinWithNode(path, pdata, makeGroup, paths_clone_transform)
else:
inkex.errormsg('Please select some paths first.')
return
if __name__ == '__main__': if __name__ == '__main__':
ConvexHull().run() ConvexHull().run()