FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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more fixes in overlapping scanning

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This commit is contained in:
Mario Voigt 2021-06-23 09:11:42 +02:00
parent 3258a1c915
commit 8be3f56e94
1 changed files with 21 additions and 16 deletions
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35
extensions/fablabchemnitz/contour_scanner_and_trimmer/contour_scanner_and_trimmer.py
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@ -339,8 +339,8 @@ class ContourScannerAndTrimmer(inkex.EffectExtension):
s1x0 = working_set[j]['p0'][0]
s1x1 = working_set[j]['p1'][0]
if s0x0 == s1x0 and s0x1 == s1x1:
continue #skip if pointy path is going to be created
#if s0x0 == s1x0 and s0x1 == s1x1:
# continue #skip if pointy path is going to be created
if not (s0x0 < s0x1 and s0x1 < s1x0 and s1x0 < s1x1):
# make a duplicate set, omitting segments i and j
@ -357,7 +357,8 @@ class ContourScannerAndTrimmer(inkex.EffectExtension):
'p1': pts[-1],
'slope': self.slope(pts[0], pts[-1]),
'id': working_set[i]['id'],
'originalPathId': working_set[i]['originalPathId']
'originalPathId': working_set[i]['originalPathId'],
'composed_transform': working_set[i]['composed_transform']
})
return (False, new_set)
@ -374,9 +375,9 @@ class ContourScannerAndTrimmer(inkex.EffectExtension):
# collect segments, calculate their slopes, order their points left-to-right
for line in lineArray:
csp = line.path.to_arrays()
#csp = Path(line.path.transform(line.composed_transform()).to_superpath()).to_arrays()
#csp = line.path.to_arrays()
csp = Path(line.path.transform(line.getparent().composed_transform())).to_arrays()
#self.msg("csp = {}".format(csp))
x1, y1, x2, y2 = csp[0][1][0], csp[0][1][1], csp[1][1][0], csp[1][1][1]
# ensure p0 is left of p1
if x1 < x2:
@ -392,6 +393,7 @@ class ContourScannerAndTrimmer(inkex.EffectExtension):
s['slope'] = self.slope(s['p0'], s['p1'])
s['id'] = line.attrib['id']
s['originalPathId'] = line.attrib['originalPathId']
s['composed_transform'] = line.composed_transform()
#s['d'] = line.attrib['d']
input_set.append(s)
@ -429,27 +431,27 @@ class ContourScannerAndTrimmer(inkex.EffectExtension):
#we finally build a list which contains all overlapping elements we want to drop
dropped_ids = []
for working_id in working_ids: #if the working id is not in the output id we are going to drop it
if working_id not in output_ids:
dropped_ids.append(working_id)
for input_id in input_ids: #if the working id is not in the output id we are going to drop it
if input_id not in output_ids:
dropped_ids.append(input_id)
if self.options.show_debug is True:
#self.msg("input_set:{}".format(input_set))
self.msg("input_ids:")
self.msg("input_ids [{}]:".format(len(input_ids)))
for input_id in input_ids:
self.msg(input_id)
self.msg("*"*24)
#self.msg("working_set:{}".format(working_set))
self.msg("working_ids:")
self.msg("working_ids [{}]:".format(len(working_ids)))
for working_id in working_ids:
self.msg(working_id)
self.msg("*"*24)
#self.msg("output_set:{}".format(output_set))
self.msg("output_ids:")
self.msg("output_ids [{}]:".format(len(output_ids)))
for output_id in output_ids:
self.msg(output_id)
self.msg("*"*24)
self.msg("dropped_ids:")
self.msg("dropped_ids [{}]:".format(len(dropped_ids)))
for dropped_id in dropped_ids:
self.msg(dropped_id)
self.msg("*"*24)
@ -905,9 +907,12 @@ class ContourScannerAndTrimmer(inkex.EffectExtension):
for output in output_set:
if output['id'] == subSplitLine.attrib['id']:
#self.msg(output['p0'])
subSplitLine.attrib['d'] = line.attrib['d'] = 'M {},{} L {},{}'.format(
subSplitLine.attrib['d'] = 'M {},{} L {},{}'.format(
output['p0'][0], output['p0'][1], output['p1'][0], output['p1'][1]) #we set the path of trimLine using 'd' attribute because if we use trimLine.path the decimals get cut off unwantedly
#subSplitLine.path = line.path = [['M', output['p0']], ['L', output['p1']]]
#subSplitLine.path = [['M', output['p0']], ['L', output['p1']]]
#self.msg("composed_transform = {}".format(output['composed_transform']))
#subSplitLine.transform = Transform(-output['composed_transform']) * subSplitLine.transform
subSplitLine.path = subSplitLine.path.transform(-output['composed_transform'])
'''
now we intersect the sub split lines to find the global intersection points using Bentley-Ottmann algorithm (contains self-intersections too!)