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GRASS GIS

Project1.2K

Build geospatial workflows for raster, vector, terrain, hydrology, imagery, and time-series data.

Added 2026-10-07
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What you can build

  • Build a workflow that takes an elevation raster and produces a terrain-indicator raster with a summary of the resulting classes.
  • Build a time-series workflow that takes dated raster observations and outputs change summaries for chosen areas.
  • Build an imagery workflow that takes two image datasets and produces a spatial change layer and a summary of changed areas.
  • Build a hydrology workflow that takes terrain data and selected drainage inputs and outputs watershed boundaries and basin-area summaries.
  • Build an ecosystem-modeling workflow that takes spatial ecosystem data and region boundaries and outputs comparable regional indicators.

Try this prompt

Build a small, reproducible Python-driven GRASS workflow that accepts two dated imagery datasets, produces a spatial change layer and a concise changed-area summary, and leaves the original inputs unchanged. Make assumptions and output locations explicit, include a test using sample inputs, and document how to run it. Use documented GRASS capabilities; do not assume a cloud publishing service or unsupported input formats.

Get started

  1. Choose an installation route

    Use the official download instructions linked from the repository README to select a GRASS build for your platform.

  2. Learn the workflows

    Start with the official documentation and tutorials linked from the README; they cover GRASS and its command-line, Python, and R interfaces.

  3. Build from source if needed

    For a source build, follow the repository's INSTALL.md and its linked detailed compile instructions.

License & notes

GPL-2.0-or-laterGRASS is GPL-2.0-or-later; commercial use is permitted subject to license obligations. Distribution of modified GRASS or combined code must comply with applicable GPL terms; the repository notes that some components have separate author terms and linked code must be license-compatible. Internal use alone does not automatically require publishing source. No paid model or API is identified in the supplied material. Compute, storage, and any hosting you arrange may have costs; no prices are quoted.

  • The README describes capabilities broadly but does not provide detailed recipes or specify input formats for these adaptations; check the manuals before choosing a workflow.
  • GRASS is a desktop GIS and processing engine, not a managed cloud map-publishing service.
  • GPL-2.0-or-later obligations apply when distributing GRASS or combined code; check separate terms for components retained by original authors.

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