Initial commit

scripts/CityGML2OBJv2/generateMTL.py

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+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# The MIT License (MIT)
+
+# This code is part of the CityGML2OBJs package
+
+# Copyright (c) 2014 
+# Filip Biljecki
+# Delft University of Technology
+# fbiljecki@gmail.com
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+import numpy as np
+import matplotlib.cm as cm
+
+#-- Number of classes of the colormap
+no_values = 101
+
+#-- Select the colormap and get its RGB values for each of the classes
+colormap = cm.get_cmap("afmhot", no_values) # http://matplotlib.org/examples/color/colormaps_reference.html
+colormap_vals = colormap(np.arange(no_values)).tolist()
+
+#-- This is the MTL file
+mtlcontents = ""
+
+#-- Class by class... MTL!
+for i in range(0, no_values):
+	b = float(i)/100
+	mtlcontents += "newmtl " + str(b) + "\n"
+	mtlcontents += "Ka " + str(colormap_vals[i][0]) + " " + str(colormap_vals[i][1]) + " " + str(colormap_vals[i][2]) + "\n"
+	mtlcontents += "Kd " + str(colormap_vals[i][0]) + " " + str(colormap_vals[i][1]) + " " + str(colormap_vals[i][2]) + "\n"
+#-- Write the MTL
+with open("colormap.mtl", "w") as mtl_file:
+                mtl_file.write(mtlcontents)