Fix print typo for python3. Move STL plotting to after unzipping step

TouchTerrain_standalone.py

@@ -214,26 +214,25 @@ def main():
         zip_ref.close()
         print("unzipped file inside", full_zip_file_name, "into", folder)
 
-    # Optional: show the STL files in a browser
-    import k3d
-    # get all stl files in that folder
-    from glob import glob
-    mesh_files = glob(folder + os.sep + "*.stl")
-    print "in folder", folder, "using", mesh_files
-
-    plot = k3d.plot()
-
-    for m in mesh_files:
-        print m
-        buf = open(m, 'rb').read()
-        #buf = str(stl_model)
-        #buf = buf.encode('utf_32')
-        print buf[:100]
-        plot += k3d.stl(buf)
-
-    plot.display()
-
-
+        # Optional: show the STL files in a browser
+        if 1: # set this to 0 if you don't want to show STL files in browser
+            import k3d
+            # get all stl files in that folder
+            from glob import glob
+            mesh_files = glob(folder + os.sep + "*.stl")
+            print("in folder", folder, "using", mesh_files)
+
+            plot = k3d.plot()
+
+            for m in mesh_files:
+                print(m)
+                buf = open(m, 'rb').read()
+                #buf = str(stl_model)
+                #buf = buf.encode('utf_32')
+                print(buf[:100])
+                plot += k3d.stl(buf)
+
+            plot.display()
 
 if __name__ == "__main__":