ld_maps_scripts

Set of scripts for working with digital maps

Dependencies

Install the dependencies, GDAL can sometimes be difficult to install.

On mac:

brew install gdal

Followed by creating and activating a virtual env:

python3 -m venv gdal_env source gdal_env/bin/activate

And then installing the dependencies inside the virtual env:

pip install gdal pip install osr

Install gdal, note: python gdal must match system gdal

Check system version using gdalinfo --version Match with pip eg pip install gdal==2.4

Metadata

Python scripts to open a file system of vector and raster GIS data and create metadata in a spreadsheet in MARC formats.

bounding_box.py

Place the bounding_box.py script in the same directory as the GIS data.

Replace the path variable on line 6 (path = './test_data') to point to your GIS data (eg path = './' if in the same directory as the GIS data).

dimensions.py

Open a directory of rasters, output pixels to spreadsheet in marc format.

coords_marc.py

Take a spreadsheet of lat/lng and convert to MARC format.

Extract attributes

Takes a set of geopackage or shp vector files, extracts attribute names and adds them to a spreadsheet to determine whether they should appear in viewer popups.

Invalid UTF8

Takes a set of vector data encoded in utf-8 and corrects encoding errors replacing errors.