gears: Add teeth_only param to allow using gears as lines and not only as parts
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@ -560,7 +560,7 @@ class Gears():
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self.boxes.ctx.restore()
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self.boxes.ctx.restore()
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self.boxes.move(width, width, move)
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self.boxes.move(width, width, move)
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def __call__(self, move="", callback=None, **kw):
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def __call__(self, teeth_only=False, move="", callback=None, **kw):
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""" Calculate Gear factors from inputs.
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""" Calculate Gear factors from inputs.
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- Make list of radii, angles, and centers for each tooth and
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- Make list of radii, angles, and centers for each tooth and
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iterate through them
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iterate through them
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@ -637,7 +637,7 @@ class Gears():
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if self.options.internal_ring:
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if self.options.internal_ring:
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width = height = width + 2 * self.options.spoke_width
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width = height = width + 2 * self.options.spoke_width
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if self.boxes.move(width, height, move, before=True):
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if not teeth_only and self.boxes.move(width, height, move, before=True):
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return
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return
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# Detect Undercut of teeth
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# Detect Undercut of teeth
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@ -655,11 +655,12 @@ class Gears():
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# All base calcs done. Start building gear
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# All base calcs done. Start building gear
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points = generate_spur_points(teeth, base_radius, pitch_radius, outer_radius, root_radius, accuracy_involute, accuracy_circular)
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points = generate_spur_points(teeth, base_radius, pitch_radius, outer_radius, root_radius, accuracy_involute, accuracy_circular)
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self.boxes.moveTo(width/2, height/2)
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if not teeth_only:
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self.boxes.moveTo(width/2, height/2)
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self.boxes.cc(callback, None, 0, 0)
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self.boxes.cc(callback, None, 0, 0)
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self.drawPoints(points)
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self.drawPoints(points)
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# Spokes
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# Spokes
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if not self.options.internal_ring: # only draw internals if spur gear
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if not teeth_only and not self.options.internal_ring: # only draw internals if spur gear
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msg = self.generate_spokes(root_radius, spoke_width, spoke_count, mount_radius, mount_hole,
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msg = self.generate_spokes(root_radius, spoke_width, spoke_count, mount_radius, mount_hole,
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unit_factor, self.options.units)
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unit_factor, self.options.units)
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warnings.extend(msg)
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warnings.extend(msg)
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@ -668,7 +669,7 @@ class Gears():
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# A : rx,ry x-axis-rotation, large-arch-flag, sweepflag x,y
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# A : rx,ry x-axis-rotation, large-arch-flag, sweepflag x,y
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r = mount_hole / 2
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r = mount_hole / 2
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self.boxes.hole(0, 0, r)
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self.boxes.hole(0, 0, r)
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else:
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elif not teeth_only:
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# its a ring gear
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# its a ring gear
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# which only has an outer ring where width = spoke width
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# which only has an outer ring where width = spoke width
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r = outer_radius + spoke_width + self.boxes.burn
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r = outer_radius + spoke_width + self.boxes.burn
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@ -720,7 +721,8 @@ class Gears():
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self.boxes.text(note, -outer_radius, y)
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self.boxes.text(note, -outer_radius, y)
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y += text_height * 1.2
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y += text_height * 1.2
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self.boxes.move(width, height, move)
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if not teeth_only:
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self.boxes.move(width, height, move)
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if __name__ == '__main__':
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if __name__ == '__main__':
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e = Gears()
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e = Gears()
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