- add swe_lod config and exporter for height/porosity/building EXRs - write river mask PNGs and add tree water/bridge masking - update Unity importers with tile selection, ortho fallback, and building prefabs
- add swe_lod config and exporter for height/porosity/building EXRs - write river mask PNGs and add tree water/bridge masking - update Unity importers with tile selection, ortho fallback, and building prefabs