Input/Output

ela.io module

class ela.io.GeotiffExporter(crs, transform)

Bases: object

Helper class to save matrices into georeferenced, GeoTiff images

crs

The coordinate reference system.

Type

str, dict, or CRS

transform

Affine transformation mapping the pixel space to geographic space.

Type

Affine instance

export_geotiff(matrix, full_filename, classes_cmap)

Save a matrix of numeric classes to an image, using a color to convert numeric values to colors

Parameters

  • matrix (ndarray) – numpy array, 2 dims

  • full_filename (str) – Full file name to save the GeoTiff image to.

  • classes_cmap (dict) – color map with keys as zero based numeric integers and values RGBA tuples.

export_rgb_geotiff(matrix, full_filename, classes_cmap)

Save a matrix of numeric classes to an image, using a color to convert numeric values to colors

Parameters

  • matrix (ndarray) – numpy array, 2 dims

  • full_filename (str) – Full file name to save the GeoTiff image to.

  • classes_cmap (dict) – color map with keys as zero based numeric integers and values RGBA tuples.