def ps_line_cmd(ps_line): #Parse this line, space seperator toks = gen_utils.split_and_remove(ps_line, " ", "") l = None l = geometry.Line() l.p1 = geometry.Point() l.p2 = geometry.Point() l.p1.x = float(toks[0].strip()) l.p1.y = float(toks[1].strip()) l.p2.x = float(toks[2].strip()) l.p2.y = float(toks[3].strip()) return l
def ps_polygon(ps_polygon_lines): points = [] #Do not include last point for i in range(0,len(ps_polygon_lines)-1): line = ps_polygon_lines[i].strip() toks = gen_utils.split_and_remove(line, " ", "") x = float(toks[0].strip()) y = float(toks[1].strip()) tmp_p = None tmp_p = geometry.Point() tmp_p.x = x tmp_p.y = y points = points + [tmp_p] poly = geometry.Polygon() poly.vertices = points return poly
def build_from_file(self, filename):
# Open file
f = open(filename, "r")
# Get all lines
lines = f.readlines()
# Loop over lines
for line in lines:
toks = gen_utils.split_and_remove(line, " ", "")
# Vertex line
if VERTEX_LINE_MARKER in line:
new_v = None
new_v = geometry.Point()
new_v.x = float(toks[1])
new_v.y = float(toks[2])
new_v.z = float(toks[3])
self.vertices = self.vertices + [new_v]
# Face line
elif FACE_LINE_MARKER in line:
new_f = None
new_f = geometry.Polygon()
v1_index = int(toks[1]) - 1
v2_index = int(toks[2]) - 1
v3_index = int(toks[3]) - 1
new_f.vertices = new_f.vertices + [
self.vertices[v1_index],
self.vertices[v2_index],
self.vertices[v3_index],
]
self.faces = self.faces + [new_f]
# Relationship between vertices
self.face_vertex_indices = self.face_vertex_indices + [(v1_index, v2_index, v3_index)]
else:
# Ignore unknown line
continue
f.close()
