Takes a CityGML file and creates an OBJ file for each building
npm install citygml-to-objTakes a CityGML file and creates an OBJ file for each building
bash:
``bash`
npm install citygml-to-obj
javascript:
`javascript
var citygml2obj = require("citygml-to-obj");
var options = {
// Path to CityGML input file
citygmlPath: "/path/to/some.gml",
// Path to OBJ output directory
objPath: "/path/for/obj/output/",
// Used to project CityGML coords to WGS84
// This projection is an example for the Berlin CityGML dataset
proj4def: "+proj=utm +zone=33 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs",
// Overwrite existing OBJ files if they already exist
overwrite: false,
// API key for the Mapzen Valhalla elevation endpoint
valhallaKey: "your_api_key"
};
citygml2obj(options, function(err) {
if (err) {
console.error(err);
}
console.log("Finished converting CityGML");
});
`
`Generated using the polygons-to-obj package
Origin: (393408.81326613, 35.3899993896484, 5820431.70758075)
v 0 0 0
v 0.0007680089911445975 35.8840621565621 -0.0011349096894264221
v -1.3537642270093784 35.8840621565621 1.3126991000026464
v -1.3545322350109927 0 1.3138340096920729
f 5 3 4
f 3 5 2
f 10 8 9
f 8 10 7