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jaseg 2023-06-14 12:01:51 +02:00
parent ddd0641649
commit 5178eba26f
1 changed files with 22 additions and 5 deletions
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27
coil_gen.py
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@ -29,16 +29,22 @@ def line_line_intersection(l1, l2):
py = ((x1*y2-y1*x2)*(y3-y4)-(y1-y2)*(x3*y4-y3*x4))/((x1-x2)*(y3-y4)-(y1-y2)*(x3-x4))
return px, py
def angle_between_vectors(va, vb):
angle = atan2(vb[1], vb[0]) - atan2(va[1], va[0])
if angle < 0:
angle += 2*pi
return angle
@click.command()
@click.argument('infile', type=click.Path(exists=True, dir_okay=False, path_type=Path))
@click.argument('outfile', type=click.Path(writable=True, dir_okay=False, path_type=Path))
@click.option('--polygon', type=int, default=0, help="Use n'th polygon instead of first one. 0-based index.")
@click.option('--start-angle', type=float, default=0, help='Angle for the start at the outermost layer of the spiral in degree')
@click.option('--stop-radius', type=float, default=1, help='Inner radius of spiral')
@click.option('--windings', type=int, default=5, help='Number of windings to generate')
@click.option('--trace-width', type=float, default=0.15)
@click.option('--clearance', type=float, default=0.15)
def generate(infile, outfile, polygon, start_angle, stop_radius, trace_width, clearance):
def generate(infile, outfile, polygon, start_angle, windings, trace_width, clearance):
board = kicad_pcb.Board.open(infile)
objs = [obj for obj in board.objects() if isinstance(obj, kicad_gr.Polygon)]
print(f'Found {len(objs)} polygon(s).')
@ -89,15 +95,13 @@ def generate(infile, outfile, polygon, start_angle, stop_radius, trace_width, cl
smallest_radius = min(segment_heights)
#trace_radius = smallest_radius - stop_radius
trace_radius = smallest_radius
num_windings = floor((trace_radius - trace_width) / (clearance + trace_width))
print(f'Going for {num_windings} windings')
segment_foo = list(zip(segment_heights, segments, segment_angles, midpoints, normals))
dbg_lines1, dbg_lines2 = [], []
spiral_points = []
dr_tot = 0
for n in range(num_windings):
for n in range(windings):
for (ha, (pa1, pa2), aa, ma, na), (hb, (pb1, pb2), ab, mb, nb) in zip(segment_foo[-1:] + segment_foo[:-1], segment_foo):
pitch = clearance + trace_width
dr_tot_a = dr_tot
@ -172,6 +176,19 @@ def generate(infile, outfile, polygon, start_angle, stop_radius, trace_width, cl
# r_now += d_r
# spiral_points.append((cx + x1*r_pt, cy + y1*r_pt))
out = [spiral_points[0]]
for pa, pb, pc in zip(spiral_points, spiral_points[1:], spiral_points[2:]):
xa, ya = pa
xb, yb = pb
xc, yc = pc
angle = angle_between_vectors((xa-xb, ya-yb), (xc-xb, yc-yb))
if angle > pi:
pass
else:
out.append(pb)
path_d = ' '.join([f'M {xy[0][0]} {xy[0][1]}', *[f'L {x} {y}' for x, y in xy[1:]], 'Z'])
path_d2 = ' '.join(f'M {cx} {cy} L {x} {y}' for x, y in xy)
path_d3 = ' '.join([f'M {spiral_points[0][0]} {spiral_points[0][1]}', *[f'L {x} {y}' for x, y in spiral_points[1:]]])