diff options
| -rw-r--r-- | gerbolyze/protoboard.py | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/gerbolyze/protoboard.py b/gerbolyze/protoboard.py index 6fe668d..7652118 100644 --- a/gerbolyze/protoboard.py +++ b/gerbolyze/protoboard.py @@ -104,15 +104,19 @@ class PatternProtoArea: class EmptyProtoArea: def __init__(self, copper=False, border=None): + self.copper = copper match border: case None: self.border = (0, 0, 0, 0) case (t, r, b, l): self.border = border case _: self.border = (border, border, border, border) def generate(self, x, y, w, h, defs=None, center=True, clip=''): - t, r, b, l = self.border - x, y, w, h = x+l, y+t, w-l-r, h-t-b - return { 'top copper': f'<rect x="{x}" y="{y}" width="{w}" height="{h}" {clip} fill="black"/>' } + if self.copper: + t, r, b, l = self.border + x, y, w, h = x+l, y+t, w-l-r, h-t-b + return { 'top copper': f'<rect x="{x}" y="{y}" width="{w}" height="{h}" {clip} fill="black"/>' } + else: + return {} class THTProtoAreaCircles(PatternProtoArea): def __init__(self, pad_dia=2.0, drill=1.0, pitch=2.54, sides='both', plated=True, border=None): @@ -196,9 +200,20 @@ class ProtoBoard: clip = '' if self.mounting_holes: - d, o, k = self.mounting_holes # diameter, offset from edge, keepout to proto area + d, o, *k = self.mounting_holes # diameter, offset from edge, keepout to proto area + k = k[0] if k else o q = o + k - clip_d = f'M 0 {q} L {q} {q} L {q} 0 L {w-q} 0 L {w-q} {q} L {w} {q} L {w} {h-q} L {w-q} {h-q} L {w-q} {h} L {q} {h} L {q} {h-q} L 0 {h-q} Z' + if 2*q < w: + if 2*q < h: + clip_d = f'M 0 {q} L {q} {q} L {q} 0 L {w-q} 0 L {w-q} {q} L {w} {q} L {w} {h-q} L {w-q} {h-q} L {w-q} {h} L {q} {h} L {q} {h-q} L 0 {h-q} Z' + else: + clip_d = f'M {q} 0 L {w-q} 0 L {w-q} {h} L 0 {h} Z' + else: + if 2*q < h: + clip_d = f'M 0 {q} L 0 {h-q} L {w} {h-q} L {w} {q} Z' + else: + raise ValueError(f'Hole keepout areas are so large that no board area is left. Available size is {w}x{h} mm, keepout areas are {q}x{q} mm in all four corners.') + svg_defs.append(f'<clipPath id="hole-clip"><path d="{clip_d}"/></clipPath>') clip = 'clip-path="url(#hole-clip)"' @@ -458,5 +473,5 @@ if __name__ == '__main__': # print('===== Proto board =====') #b = ProtoBoard('tht = THTCircles(); tht_small = THTCircles(pad_dia=1.0, drill=0.6, pitch=1.27)', # 'tht@1in|(tht_small@2/tht@1)', mounting_holes=(3.2, 5.0, 5.0), border=2, center=False) - b = ProtoBoard('tht = THTCircles(); smd1 = SMDPads(0.8, 1.27); smd2 = SMDPads(0.95, 1.895)', 'tht@1in | (smd1 + smd2)', mounting_holes=(3.2, 5.0, 5.0), border=2) + b = ProtoBoard('tht = THTCircles(); smd1 = SMDPads(0.8, 1.27); smd2 = SMDPads(0.95, 1.895); plane=Empty(copper=True)', 'tht@1in | (smd1 + plane)', mounting_holes=(3.2, 5.0, 5.0), border=2) print(b.generate(80, 60)) |