Implemented Concentric and Outline fill modes
This commit is contained in:
Arjan Mels
@ -105,6 +105,11 @@ class FillArea:
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REASON_DRAWING = 6
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REASON_STEP = 7
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FILL_TYPE_RECTANGULAR = "Rectangular"
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FILL_TYPE_STAR = "Star"
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FILL_TYPE_CONCENTRIC = "Concentric"
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FILL_TYPE_OUTLINE = "Outline"
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def __init__(self, filename=None):
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self.filename = None
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self.clearance = 0
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@ -131,7 +136,7 @@ class FillArea:
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self.netname = None
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self.debug = False
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self.random = False
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self.star = False
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self.fill_type = self.FILL_TYPE_RECTANGULAR
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if self.netname is None:
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self.SetNetname("GND")
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@ -155,8 +160,8 @@ class FillArea:
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self.random = r
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return self
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def SetStar(self):
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self.star = True
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def SetType(self, type):
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self.fill_type = type
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return self
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def SetPCB(self, pcb):
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@ -252,6 +257,7 @@ STEP = '-'
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# wx.LogMessage('adding vias')
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self.pcb.Add(m)
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self.pcb_group.AddItem(m)
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return m
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else:
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wxPrint("\nUnable to find a valid parent area (zone)")
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@ -343,13 +349,111 @@ STEP = '-'
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'''
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for x_pos in range(x-distance, x+distance+1):
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if (x_pos >= 0) and (x_pos < len(rectangle)):
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distance_y = distance-abs(x-x_pos) if self.star else distance # Star or Standard shape
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# Star or Standard shape
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distance_y = distance-abs(x-x_pos) if self.fill_type==self.FILL_TYPE_STAR else distance
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for y_pos in range(y-distance_y, y+distance_y+1):
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if (y_pos >= 0) and (y_pos < len(rectangle[0])):
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if (x_pos == x) and (y_pos == y):
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continue
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rectangle[x_pos][y_pos] = self.REASON_STEP
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"""
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Check if vias would not overlap and if in same outline then apply at minimum 60% of self.step
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"""
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def CheckViaDistance(self, p, via, outline):
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p2 = VECTOR2I(via.GetPosition())
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dist = 2*self.clearance + self.size/2 + via.GetWidth()/2
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# If via in same outline, then apply bigger space
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if outline.Collide(p2):
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dist = max(dist, self.step*0.6)
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return (p-p2).EuclideanNorm() > dist
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"""
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Add via along outline (SHAPE_LINE_CHAIN), starting at offset (fraction between 0.0 and 1.0)
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Avoid placing vias to close to via present in all_vias
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"""
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def AddViasAlongOutline(self, outline, all_vias, offset=0):
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via_placed = 0
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len = int(outline.Length())
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steps = len // self.step
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steps = 1 if steps == 0 else steps
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stepsize = int(len//steps)
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for l in range (int(stepsize*offset), len, stepsize):
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p = outline.PointAlong(l)
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if all( self.CheckViaDistance(p, via, outline) for via in all_vias):
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via = self.AddVia(p.getWxPoint(), 0, 0)
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all_vias.append(via)
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via_placed+=1
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return via_placed
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def ConcentricFillVias(self):
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wxPrint("Refill all zones")
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self.RefillBoardAreas()
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wxPrint("Calculate placement areas")
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zones = [zone for zone in self.pcb.Zones() if zone.GetNetname() == self.netname]
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self.parent_area = zones[0]
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# Create set of polygons where fill zones overlap on all layers
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poly_set = None
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for layer_id in self.pcb.GetEnabledLayers().CuStack():
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poly_set_layer = SHAPE_POLY_SET()
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for zone in zones:
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if zone.IsOnLayer(layer_id):
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if poly_set is not None or not self.only_selected_area or zone.IsSelected():
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poly_set_layer.Append(zone.RawPolysList(layer_id))
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if poly_set is None:
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poly_set = poly_set_layer
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else:
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poly_set.BooleanIntersection(poly_set_layer,SHAPE_POLY_SET.PM_FAST)
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poly_set.Simplify(SHAPE_POLY_SET.PM_FAST)
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if poly_set.OutlineCount()==0:
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wxPrint("No areas to fill")
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return
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# Size the polygons so the vias fit inside
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poly_set.Inflate(int(-(1*self.clearance + 0.5*self.size)),12,SHAPE_POLY_SET.CHAMFER_ALL_CORNERS)
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wxPrint("Generating concentric via placement")
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# Get all vias from the selected net
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all_vias = [track for track in self.pcb.GetTracks() if (track.GetClass()=="PCB_VIA" and track.GetNetname()==self.netname)]
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off = 0
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via_placed = 0
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# Place vias along all outlines and holes
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while poly_set.OutlineCount() > 0:
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for i in range(0, poly_set.OutlineCount()):
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outline = poly_set.Outline(i)
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via_placed += self.AddViasAlongOutline(outline, all_vias, off)
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for k in range(0, poly_set.HoleCount(i)):
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hole = poly_set.Hole(i,k)
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via_placed += self.AddViasAlongOutline(hole, all_vias, off)
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# Size the polygons to place the next ring
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if self.fill_type == self.FILL_TYPE_CONCENTRIC:
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poly_set.Inflate(int(-self.step),12,SHAPE_POLY_SET.CHAMFER_ALL_CORNERS)
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off = 0.5 if off == 0 else 0
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else:
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poly_set = SHAPE_POLY_SET()
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wxPrint("Refill all zones")
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self.RefillBoardAreas()
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msg = "{:d} vias placed\n".format(via_placed)
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wxPrint(msg+"Done!")
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return via_placed
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def Run(self):
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VIA_GROUP_NAME = "ViaStitching {}".format(self.netname)
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@ -377,6 +481,13 @@ STEP = '-'
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self.pcb_group.SetName(VIA_GROUP_NAME)
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self.pcb.Add(self.pcb_group)
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if self.fill_type==self.FILL_TYPE_OUTLINE or self.fill_type==self.FILL_TYPE_CONCENTRIC:
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self.ConcentricFillVias()
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if self.filename:
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self.pcb.Save(self.filename)
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return
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if self.debug:
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print("%s: Line %u" % (time.time(), currentframe().f_lineno))
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target_tracks = self.pcb.GetTracks()
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@ -615,7 +726,7 @@ STEP = '-'
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self.PrintRect(rectangle)
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clear_distance = 0
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if self.step != 0.0 and self.star:
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if self.step != 0.0 and self.fill_type == self.FILL_TYPE_STAR:
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# How much "via steps" should be removed around a via (round up)
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clear_distance = int((self.step+l_clearance) / l_clearance)
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