TerraSlice 3D

Region → terrain, city & subsurface model

Quick start

From a polygon to a 3D block model in five steps

Choose a region. Draw it on the globe (D), search a place, import KML / KMZ / Shapefile / GeoJSON, or try a demo.
Build (B). Terrain, imagery, roads and procedural buildings load for the region, and the globe around it is cut away.
Set the subsurface. Pick a preset, 🎲 randomise it, edit the layers, or import borehole CSV logs to interpolate real layers.
Add objects (section 5): drill rigs, piezometers, pylons, trees, boxes… Click a shape, then the model. Drag to move.
Analyse. Draw a cross-section (X) for a report-ready chart, flood the model to a water level (F), or add a groundwater table (G). Click any point for a virtual borehole.

Shortcuts

Borehole CSV

id,lon,lat,layer,top,bottom
BH1,105.850,21.030,Fill,0,2
BH1,105.850,21.030,Soft clay,2,14
BH1,105.850,21.030,Sand,14,30
BH2,105.853,21.028,Fill,0,1.5

Depths are metres below ground. Layer names in Vietnamese (sét, cát, sỏi, bùn…) are coloured automatically.

Mouse: left-drag rotate · right-drag / wheel zoom · middle-drag or Ctrl+drag tilt.

Drop region file, borehole CSV, building heights GeoJSON or project