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-rw-r--r--gerbolyze/protoboard.py27
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))