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Allow passing a list of angles to generate_spokes()

This commit is contained in:
Florian Festi 2016-07-24 22:27:30 +02:00
parent 1472d250bc
commit e3d552fe91
1 changed files with 17 additions and 6 deletions
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23
boxes/gears.py
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@ -409,7 +409,7 @@ class Gears():
# circular_pitch defines the size in mm # circular_pitch defines the size in mm
return circular_pitch return circular_pitch
def generate_spokes(self, root_radius, spoke_width, spoke_count, mount_radius, mount_hole, def generate_spokes(self, root_radius, spoke_width, spokes, mount_radius, mount_hole,
unit_factor, unit_label): unit_factor, unit_label):
""" given a set of constraints """ given a set of constraints
- generate the svg path for the gear spokes - generate the svg path for the gear spokes
@ -423,6 +423,15 @@ class Gears():
messages = [] # messages to send back about changes. messages = [] # messages to send back about changes.
spoke_holes = [] spoke_holes = []
r_outer = root_radius - spoke_width r_outer = root_radius - spoke_width
try:
spoke_count = spokes
spokes = [i*2*pi/spokes for i in range(spoke_count)]
except TypeError:
spoke_count = len(spokes)
spokes = [radians(a) for a in spokes]
spokes.append(spokes[0]+two_pi)
# checks for collision with spokes # checks for collision with spokes
# check for mount hole collision with inner spokes # check for mount hole collision with inner spokes
if mount_radius <= mount_hole/2: if mount_radius <= mount_hole/2:
@ -435,10 +444,12 @@ class Gears():
messages.append("Mount support too small. Auto increased to %2.2f%s." % (mount_radius/unit_factor*2, unit_label)) messages.append("Mount support too small. Auto increased to %2.2f%s." % (mount_radius/unit_factor*2, unit_label))
# then check to see if cross-over on spoke width # then check to see if cross-over on spoke width
if spoke_width * spoke_count +0.5 >= two_pi * mount_radius: for i in range(spoke_count):
adj_factor = 1.2 # wrong value. its probably one of the points distances calculated below angle = spokes[i]-spokes[i-1]
mount_radius += adj_factor if spoke_width >= angle * mount_radius:
messages.append("Too many spokes. Increased Mount support by %2.3f%s" % (adj_factor/unit_factor, unit_label)) adj_factor = 1.2 # wrong value. its probably one of the points distances calculated below
mount_radius += adj_factor
messages.append("Too many spokes. Increased Mount support by %2.3f%s" % (adj_factor/unit_factor, unit_label))
# check for collision with outer rim # check for collision with outer rim
if r_outer <= mount_radius: if r_outer <= mount_radius:
@ -449,7 +460,7 @@ class Gears():
else: # draw spokes else: # draw spokes
for i in range(spoke_count): for i in range(spoke_count):
self.boxes.ctx.save() self.boxes.ctx.save()
start_a, end_a = i * two_pi / spoke_count, (i+1) * two_pi / spoke_count start_a, end_a = spokes[i], spokes[i+1]
# inner circle around mount # inner circle around mount
asin_factor = spoke_width/mount_radius/2 asin_factor = spoke_width/mount_radius/2
# check if need to clamp radius # check if need to clamp radius