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MuesliMix
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added code for outputting only segment instead of whole plate

master
Simon Pirkelmann 2019-09-12 21:27:54 +02:00
parent affa70ede6
commit 74d5f2edcb
1 changed files with 151 additions and 33 deletions
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184
prototype/circles.py
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@ -19,7 +19,7 @@ def svg_circle(id, name, c, r):
return text
def svg_half_circle(id, name, c, r, angle):
def svg_half_circle(id, name, c, r, angle, orientation_flag=1):
# draws half a circle centered at c with radius r
# angle specifies how the half circle should be rotated
# for the default angle of zero, it draws the top half of the circle
@ -30,29 +30,35 @@ def svg_half_circle(id, name, c, r, angle):
# compute starting point
v = np.array([np.cos(angle), np.sin(angle)])
begin = c + r * v # in millimeters
begin *= scale # in pixel units
begin *= scale # in svg units
# compute end point
end = c - r * v # in millimeters
end *= scale # in pixel units
end *= scale # in svg units
radius_scaled = r * scale
radius_scaled = r * scale # radius in svg units
text = [' <g id="mygroup">\n '
' <path \n '
text = [' <path \n '
' id="path666" \n '
' style="fill:none;stroke:#ff0000;stroke-width:0.60000002" \n'
' d="M {} {} A {} {} {} 1 1 {} {}"'
' />\n'
' <path \n'
' id="path667" \n'
' style="fill:none;stroke:#ff0000;stroke-width:0.60000002"\n '
' d="M 0 0 L 1000 1000"'
' />\n'
' </g>\n'.format(begin[0], begin[1], radius_scaled, radius_scaled, 0, end[0], end[1])]
' d="M {} {} A {} {} 0 {} {} {} {}"'
' />\n'.format(begin[0], begin[1], radius_scaled, radius_scaled, orientation_flag, orientation_flag,
end[0], end[1])]
return text
def svg_arc(p1, p2, r, large_arc, sweep):
begin = p1 * scale
end = p2 * scale
radius_scaled = r * scale
text = [' <path \n '
' id="path666" \n '
' style="fill:none;stroke:#ff0000;stroke-width:0.60000002" \n'
' d="M {} {} A {} {} 0 {} {} {} {}"'
' />\n'.format(begin[0], begin[1], radius_scaled, radius_scaled, large_arc, sweep,
end[0], end[1])]
return text
def svg_rectangle(id, name, c, width, heigth, angle):
x = np.sqrt(c[0]**2 + c[1]**2) - width/2
@ -469,26 +475,144 @@ class PlateLayout:
output_all = False
if output_all:
N = len(self.tube_1_coords.items())
f_lines = self.output_whole(f_lines)
else:
N = 1
f_lines = self.output_segment(f_lines, 2)
f_lines.append('</svg>\n')
# write new svg image
fw = open('output.svg', 'w')
fw.writelines(f_lines)
fw.close()
pass
def output_segment(self, f_lines, k):
# k = which segment?
k_next = (k + 1) % 5
# center hole
a = self.tube_1_angles[k]
a = a / 360.0 * 2.0 * np.pi
vunit = np.array([np.cos(a), np.sin(a)])
p1 = vunit * self.target_center_hole_radius
a2 = self.tube_1_angles[k_next]
a2 = a2 / 360.0 * 2.0 * np.pi
vunit2 = np.array([np.cos(a2), np.sin(a2)])
p2 = vunit2 * self.target_center_hole_radius
text = svg_arc(p1, p2, self.target_center_hole_radius, 0, 1)
f_lines = f_lines + text
# big circles arcs
c = self.tube_1_coords[k]
angle = self.tube_1_angles[k]
text = svg_half_circle(k, 'big circle', c, self.target_radius_1, angle)
f_lines = f_lines + text
c = self.tube_1_coords[k_next]
angle = self.tube_1_angles[k_next]
text = svg_half_circle(k_next, 'big circle', c, self.target_radius_1, angle, orientation_flag=0)
f_lines = f_lines + text
# small circle
c = self.tube_2_coords[k]
text = svg_circle(k, 'small circle', c, self.target_radius_2)
f_lines = f_lines + text
# gear pos for big circle
c = self.tube_1_tangents[k_next]
circle_midpoint = self.tube_1_coords[k_next]
v = np.array(c[0]) - np.array(circle_midpoint)
v = v / np.linalg.norm(v)
marking_length = 5.0
p1 = c[0]
p2 = c[0] + v * marking_length
text = svg_line(p1, p2)
f_lines = f_lines + text
# rectangle for big circles
c = self.tube_1_cuts[k_next]
text = svg_rectangle(k_next, 'cut', c['center'], c['length'], c['width'], c['angle_deg'])
f_lines = f_lines + text
# gear pos for small circle
c = self.tube_2_tangents[k]
circle_midpoint = self.tube_2_coords[k]
v = np.array(c[0]) - np.array(circle_midpoint)
v = v/np.linalg.norm(v)
marking_length = 5.0
p1 = c[0]
p2 = c[0] + v * marking_length
text = svg_line(p1, p2)
f_lines = f_lines + text
# rectangle for small circles
c = self.tube_2_cuts[k]
text = svg_rectangle(k, 'cut', c['center'], c['length'], c['width'], c['angle_deg'])
f_lines = f_lines + text
# segment border (right)
a = self.tube_1_angles[k]
a = a / 360.0 * 2.0 * np.pi
r1 = np.linalg.norm(np.array(self.tube_1_coords[k])) - self.target_radius_1
vunit = np.array([np.cos(a), np.sin(a)])
p1 = vunit * self.target_center_hole_radius
p2 = vunit * r1
text = svg_line(p1, p2, 0.1)
f_lines = f_lines + text
r2 = np.linalg.norm(np.array(self.tube_1_coords[k])) + self.target_radius_1
p3 = vunit * r2
r3 = self.target_plate_radius - self.plate_module
p4 = vunit * r3
text = svg_line(p3, p4, 0.1)
f_lines = f_lines + text
# segment border (left)
a = self.tube_1_angles[k_next]
a = a / 360.0 * 2.0 * np.pi
r1 = np.linalg.norm(np.array(self.tube_1_coords[k_next])) - self.target_radius_1
vunit = np.array([np.cos(a), np.sin(a)])
p1 = vunit * self.target_center_hole_radius
p2 = vunit * r1
text = svg_line(p1, p2, 0.1)
f_lines = f_lines + text
r2 = np.linalg.norm(np.array(self.tube_1_coords[k_next])) + self.target_radius_1
p3 = vunit * r2
r3 = self.target_plate_radius - self.plate_module
p4 = vunit * r3
text = svg_line(p3, p4, 0.1)
f_lines = f_lines + text
return f_lines
def output_whole(self, f_lines):
# output big circles as svg
for k, c in self.tube_1_coords.items()[0:N]:
#text = svg_circle(k, 'big circle', c, self.target_radius_1)
angle = self.tube_1_angles[k]
text = svg_half_circle(k, 'big circle', c, self.target_radius_1, angle)
for k, c in self.tube_1_coords.items():
text = svg_circle(k, 'big circle', c, self.target_radius_1)
f_lines = f_lines + text
pass
# output small circles as svg
for k, c in self.tube_2_coords.items()[0:N]:
for k, c in self.tube_2_coords.items():
text = svg_circle(k, 'small circle', c, self.target_radius_2)
f_lines = f_lines + text
pass
# gear markings for big cirlces and small circles
for k, c in self.tube_1_tangents.items()[0:N]:
for k, c in self.tube_1_tangents.items():
circle_midpoint = self.tube_1_coords[k]
v = np.array(c[0]) - np.array(circle_midpoint)
v = v/np.linalg.norm(v)
@ -500,9 +624,8 @@ class PlateLayout:
text = svg_line(p1, p2)
f_lines = f_lines + text
pass
for k, c in self.tube_2_tangents.items()[0:N]:
for k, c in self.tube_2_tangents.items():
circle_midpoint = self.tube_2_coords[k]
v = np.array(c[0]) - np.array(circle_midpoint)
v = v/np.linalg.norm(v)
@ -517,19 +640,19 @@ class PlateLayout:
pass
# output cuts for big circles
for k, c in self.tube_1_cuts.items()[0:N]:
for k, c in self.tube_1_cuts.items():
text = svg_rectangle(k, 'cut', c['center'], c['length'], c['width'], c['angle_deg'])
f_lines = f_lines + text
pass
# output cuts for small circles
for k, c in self.tube_2_cuts.items()[0:N]:
for k, c in self.tube_2_cuts.items():
text = svg_rectangle(k, 'cut', c['center'], c['length'], c['width'], c['angle_deg'])
f_lines = f_lines + text
pass
# lines for manufacturing out of multiple pieces
for k, a in self.tube_1_angles.items()[0:N]:
for k, a in self.tube_1_angles.items():
a = a/360.0 * 2.0 * np.pi
r1 = np.linalg.norm(np.array(self.tube_1_coords[k])) - self.target_radius_1
vunit = np.array([np.cos(a), np.sin(a)])
@ -547,11 +670,6 @@ class PlateLayout:
pass
f_lines.append('</svg>\n')
return f_lines
# write new svg image
fw = open('output.svg', 'w')
fw.writelines(f_lines)
fw.close()
pass