Added rotation support for P aperture.
Changed the aperture parsing to regular expresion.
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parent
09cdf619f6
commit
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76
camlib.py
76
camlib.py
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@ -471,7 +471,7 @@ class Gerber (Geometry):
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print "ERROR: Failed to buffer path: ", path
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print "Apertures: ", self.apertures
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def aperture_parse(self, gline):
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def aperture_parse(self, apertureId, apertureType, apParameters):
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"""
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Parse gerber aperture definition into dictionary of apertures.
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The following kinds and their attributes are supported:
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@ -479,51 +479,47 @@ class Gerber (Geometry):
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* *Circular (C)*: size (float)
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* *Rectangle (R)*: width (float), height (float)
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* *Obround (O)*: width (float), height (float).
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* *Polygon (P)*: diameter(float), vertices(int), [rotation(float)]
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:param gline: Line of Gerber code known to have an aperture definition.
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:param apertureId: Id of the aperture being defined.
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:param apertureType: Type of the aperture.
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:param apParameters: Parameters of the aperture.
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:type gline: str
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:return: Identifier of the aperture.
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:rtype: str
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"""
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indexstar = gline.find("*")
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indexc = gline.find("C,")
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if indexc != -1: # Circle, example: %ADD11C,0.1*%
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# Found some Gerber with a leading zero in the aperture id and the
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# referenced it without the zero, so this is a hack to handle that.
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apid = str(int(gline[4:indexc]))
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# Found some Gerber with a leading zero in the aperture id and the
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# referenced it without the zero, so this is a hack to handle that.
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apid = str(int(apertureId))
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paramList = apParameters.split('X')
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if apertureType == "C" : # Circle, example: %ADD11C,0.1*%
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self.apertures[apid] = {"type": "C",
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"size": float(gline[indexc+2:indexstar])}
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"size": float(paramList[0])}
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return apid
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indexr = gline.find("R,")
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if indexr != -1: # Rectangle, example: %ADD15R,0.05X0.12*%
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# Hack explained above
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apid = str(int(gline[4:indexr]))
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indexx = gline.find("X")
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if apertureType == "R" : # Rectangle, example: %ADD15R,0.05X0.12*%
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self.apertures[apid] = {"type": "R",
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"width": float(gline[indexr+2:indexx]),
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"height": float(gline[indexx+1:indexstar])}
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return apid
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indexo = gline.find("O,")
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if indexo != -1: # Obround
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# Hack explained above
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apid = str(int(gline[4:indexo]))
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indexx = gline.find("X")
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self.apertures[apid] = {"type": "O",
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"width": float(gline[indexo+2:indexx]),
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"height": float(gline[indexx+1:indexstar])}
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return apid
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indexp = gline.find("P,")
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if (indexp != -1):
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# Hack explained above
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apid = str(int(gline[4:indexp]))
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indexx = gline.find("X")
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self.apertures[apid] = {"type": "P",
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"diam": float(gline[indexp+2:indexx]),
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"nVertices": int(gline[indexx+1:indexstar])}
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"width": float(paramList[0]),
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"height": float(paramList[1])}
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return apid
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print "WARNING: Aperture not implemented:", gline
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if apertureType == "O" : # Obround
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self.apertures[apid] = {"type": "O",
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"width": float(paramList[0]),
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"height": float(paramList[1])}
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return apid
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if apertureType == "P" :
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self.apertures[apid] = {"type": "P",
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"diam": float(paramList[0]),
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"nVertices": int(paramList[1])}
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if len(paramList) >= 3 :
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self.apertures[apid]["rotation"] = float(paramList[2])
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return apid
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print "WARNING: Aperture not implemented:", apertureId
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return None
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def parse_file(self, filename):
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@ -722,10 +718,13 @@ class Gerber (Geometry):
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path = [[current_x, current_y]] # Start new path
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continue
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if gline.find("%ADD") != -1: # aperture definition
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self.aperture_parse(gline) # adds element to apertures
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#Parse an aperture.
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match = self.ad_re.search(gline)
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if match:
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self.aperture_parse(match.group(1),match.group(2),match.group(3))
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continue
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## G01/2/3* - Interpolation mode change
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# Can occur along with coordinates and operation code but
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# sometimes by itself (handled here).
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@ -813,6 +812,7 @@ class Gerber (Geometry):
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obround = cascaded_union([c1, c2]).convex_hull
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self.flash_geometry.append(obround)
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continue
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if aperture['type'] == 'P': #Regular polygon
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loc = flash['loc']
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diam = aperture['diam']
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@ -823,6 +823,8 @@ class Gerber (Geometry):
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y = loc[1] + diam * (sin(2 * pi * i / nVertices))
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points.append((x,y))
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ply = Polygon(points)
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if 'rotation' in aperture:
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ply = affinity.rotate(ply, aperture['rotation'])
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self.flash_geometry.append(ply)
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continue
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