FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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Fixed error in circle tangent extension

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This commit is contained in:
Mario Voigt 2021-04-08 23:45:06 +02:00
parent 42b57852d4
commit 5d6248e21e
1 changed files with 13 additions and 11 deletions
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24
extensions/fablabchemnitz/tangent.py
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@ -104,11 +104,6 @@ def getPathData(obj):
return data
def stockErrorMsg(bygtrac):
inkex.errormsg("Please select exactly two circles and try again! %s" % bygtrac)
exit()
class Tangent(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
@ -117,14 +112,12 @@ class Tangent(inkex.Effect):
def effect(self):
if len(self.options.ids) != 2:
stockErrorMsg("1")
inkex.errormsg("Please select exactly two circles and try again!")
return
c1object = self.svg.selected[self.options.ids[0]]
c2object = self.svg.selected[self.options.ids[1]]
#if c1object.get(inkex.addNS("type", "sodipodi")) != "arc" or c2object.get(inkex.addNS("type", "sodipodi")) != "arc":
# stockErrorMsg("2")#PROBLEM HERE!
c1 = getPathData(c1object)
c2 = getPathData(c2object)
@ -150,12 +143,21 @@ class Tangent(inkex.Effect):
# Test whether the circles are actually circles!
if c1['rx'] != c1['ry'] or c2['rx'] != c2['ry']:
stockErrorMsg("One or both objects may be elliptical. Ensure you have circles!")
inkex.errormsg("One or both objects may be elliptical. Ensure you have circles!")
return
# Hypotenus of the triangle - Euclidean distance between c1 x, y and c2 x, y.
h = deuclid(c1['x'], c1['y'], c2['x'], c2['y'])
b = c3r
B = getAngle(b, h)
B = None
try:
B = getAngle(b, h)
except ValueError as e:
if self.options.position == "inner":
inkex.errormsg("Error calculating angle. Maybe your circles are overlapping each other")
else:
inkex.errormsg("Error calculating angle.")
return
a = aLength(b, h)
# Angle of hypotenuse to x-axis
E = getAngle(max(c1['y'], c2['y']) - min(c1['y'], c2['y']), h)