mapa 0.2.1

🌍 Create 3d-printable STLs from satellite elevation data 🌏

mapa 🌍

mapa let's you create 3d-printable STL files from satellite elevation data (using DEM data).

Under the hood mapa uses:

• numpy and numba to crunch large amounts of data in little time
• ALOS DEM satellite data (max resolution of 30m) provided by Planetary Computer

Installation

pip install mapa

Usage

mapa provides the following approaches for creating STL files:

1. Using the mapa interactive map

The easiest way is using the mapa cli. Simply type

mapa

A jupyter notebook will be started with an interactive map. Follow the described steps by executing the cells to create a 3d model of whatever place you like.

Choose bounding box	Create STL file

Slice STL file	3D print

2. Using the dem2stl cli

The dem2stl cli lets you create a 3d-printable STL file based on your tiff file. You can run a demo computation to get a feeling of how the output STL will look like:

dem2stl demo

If you have your tiff file ready, you may run something like

dem2stl --input your_file.tiff --output output.stl --model-size 200 --z-offset 3.0 --z-scale 1.5

The full list of options and their intention can be found with dem2stl --help:

Usage: dem2stl [OPTIONS]

  🌍 Convert DEM data into STL files 🌏

Options:
  --input TEXT          Path to input TIFF file.
  --output TEXT         Path to output STL file.
  --as-ascii            Save output STL as ascii file. If not provided, output
                        file will be binary.
  --model-size INTEGER  Desired size of the generated 3d model in millimeter.
  --max-res             Whether maximum resolution should be used. Note, that
                        this flag potentially increases compute time
                        dramatically. The default behavior (i.e.
                        max_res=False) should return 3d models with sufficient
                        resolution, while the output stl file should be <= 200
                        MB.
  --z-offset FLOAT      Offset distance in millimeter to be put below the 3d
                        model. Defaults to 4.0. Is not influenced by z-scale.
  --z-scale FLOAT       Value to be multiplied to the z-axis elevation data to
                        scale up the height of the model. Defaults to 1.0.
  --demo                Converts a demo tif of Hawaii into a STL file.
  --make-square         If the input tiff is a rectangle and not a square, cut
                        the longer side to make the output STL file a square.
  --version             Show the version and exit.
  --help                Show this message and exit.

3. Using mapa as python library

In case you are building your own application you can simply use mapa's functionality as a within your application by importing the modules functions.

from mapa import convert_tif_to_stl

path_to_stl = convert_tif_to_stl(...)

Changelog

See Releases.

Contributing

Contributions, feedback or issues are welcome.