def processPolygon(self):
if self.skipPoly:
return
interior_ring = []
poly = QgsPolygon()
outerLineStr = coord2ptsZ(self.outerPoly)
poly.setExteriorRing(outerLineStr)
if len(self.innerPoly) > 0:
for p in self.innerPoly:
innerLineStr = coord2ptsZ(p)
interior_ring.append(innerLineStr)
poly.setInteriorRings(interior_ring)
self.polygons.append(poly)
def tzf_to_qgis_polygon(tzdata):
if not tzdata or len(tzdata) < 1:
return None
multi_poly = QgsMultiPolygon()
for tzpoly in tzdata:
holes = []
poly = QgsPolygon()
for x, part in enumerate(tzpoly):
if x == 0:
outer_ls = QgsLineString(part[0], part[1])
poly.setExteriorRing(outer_ls)
else:
hole_ls = QgsLineString(part[0], part[1])
holes.append(hole_ls)
poly.setInteriorRings(holes)
multi_poly.addGeometry(poly)
return (QgsGeometry(multi_poly))
