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Terratile

Installation

Build requirements (package names in Ubuntu are shown in parentheses):

  • GDAL library (libgdal20 and libgdal-dev)
  • ZLib library (zlib1g, zlib1g-dev)
  • C++ compiler and CMake (build-essential and cmake)
  • Python 3.8+ with header files (python-dev or python3-dev)

Install into virtualenv:

$ python3 -m venv env
$ . env/bin/activate
$ pip install git+https://github.com/nextgis/terratile.git

Usage example

import terratile
from osgeo import gdal

ds = gdal.Open(path_to_dataset, gdal.GA_ReadOnly)
data = terratile.mesh_tile(ds, (z, x, y))

Terrain tile server

Install terratile with [server] option:

$ pip install git+https://github.com/nextgis/terratile.git#egg=terratile[server]

Put some geotiff to current directory (demo.tiff in example) and start terrain tile server with uvicorn:

$ uvicorn terratile.server:app --workers 4

Go to http://localhost:8000/demo/preview to preview terrain tiles with simple Cesium frontend. Tiles for demo.tiff are located in http://localhost:8000/demo/{z}/{x}/{y}.terrain. Metadata file layer.json is available at http://localhost:8000/demo/layer.json.