diff options
Diffstat (limited to 'coil_gen.py')
| -rw-r--r-- | coil_gen.py | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/coil_gen.py b/coil_gen.py index 78610d2..e0aecdb 100644 --- a/coil_gen.py +++ b/coil_gen.py @@ -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:]]]) |