Programmatic urban modelling based on map data houdini-procedural modeling-procedural City

It took about a week or more for the city modeling plug-in to be made, and there were some flaws, but it had already achieved the desired effect. The first thing to say is that there is absolutely no commercial purpose to do this, just hope to achieve this goal in the Houdini to master more programmatic thinking.

First look at the effect:

Map Resources:

Map Links: https://www.openstreetmap.org

About the map XML data structures everywhere: Http://wiki.openstreetmap.org/wiki/OSM_XML

Explanation of several important tags in xml: http://wiki.openstreetmap.org/wiki/Elements

Elements in the map list: Http://wiki.openstreetmap.org/wiki/Map_Features

A reference to the Python query xml:

1:http://www.cnblogs.com/fnng/p/3581433.html

2:http://www.cnblogs.com/xuxm2007/archive/2011/01/16/1936610.html

Programmatic urban modelling based on map data houdini-procedural modeling-procedural City