Skip to main content

BlenderGIS

GEO DATA IMPORT
📖5 min read

Introduction​

BlenderGIS is a free, open-source add-on that brings real-world geographic data into Blender. It lets you import terrain (DEMs), satellite imagery, and vector layers (roads, buildings) with correct georeferencing. The result is rapid, analysis-ready context for visualization, planning, and reconstruction.

What you’ll get here:

  • How BlenderGIS pulls data exported from GIS tools (e.g., QGIS) into Blender with correct coordinates and scale.
  • Core features for terrain generation, imagery draping, and footprint/road import.
  • Practical usage focused on the add-on’s panels and workflows inside Blender.

Key Features​

Data Import

Import DEMs, rasters (GeoTIFF), and vectors (Shapefile/GeoPackage) with georeferencing preserved. Works well with data exported from QGIS.

CRS & Georeferencing

Read and apply Coordinate Reference Systems (CRS) to place data accurately. Handles reprojection so datasets align correctly in the scene.

Terrain & Context

Generate terrain meshes from DEMs, drape satellite imagery, and import footprints/roads to build site context. Optional simplification and tiling for large areas.

Main Content Section​

Usage: BlenderGIS Workflows (Inside Blender)​

Focus: how to use the add-on’s panels and operators to bring in data already prepared/exported from GIS tools.

  1. Enable BlenderGIS: Install/enable via Preferences > Add-ons > search "BlenderGIS".
  2. Set Scene CRS: In BlenderGIS panel, choose the scene CRS to match your data export (e.g., EPSG:3857 or EPSG:4326).
  3. Import DEM (Terrain): Use Import > Raster/DEM to load elevation data (GeoTIFF). Convert to mesh and adjust resolution/simplification depending on area size.
  4. Drape Imagery: Import raster imagery and project it over terrain. Ensure CRS matches; use reprojection tools if needed.
  5. Import Vectors: Load roads, footprints, or parcels from Shapefile/GeoPackage. Verify layer CRS; BlenderGIS will place them correctly.
  6. Extrude Buildings: Use footprint attributes (e.g., height) to extrude massing models. Group or tag layers for easy visibility control.
  7. Align & Scale: Use georeferencing tools to align mixed datasets. If needed, reproject layers to the common scene CRS.
  8. Performance Tips: Tile large DEMs, decimate meshes, and use lower-res textures for interactive work; swap to high-res for final renders.

Troubleshooting:

  • Mismatched CRS leads to offset layers. Verify each dataset’s EPSG before import.
  • Very large areas benefit from tiling and level-of-detail (LOD) strategies.

Subsection 1​

Step-by-step example: importing terrain and aligning imagery.

Subsection 2​

Advanced topics: CRS conversions, performance tuning, large-area tiling.

Summary​

BlenderGIS bridges GIS and 3D content creation, letting you bring real-world context into Blender efficiently for analysis and visualization.