Discover how to convert KML to GPX in Python using Aspose.GIS for Python via .NET. This guide walks you through reading KML, handling CRS, exporting GPX, and includes a full code sample, performance tips, and best-practice recommendations.
Read the full guide here: https://blog.aspose.com/gis/kml-to-gpx-conversion-tutorial-in-python/
| import aspose.gis as gis | |
| def convert_kml_to_gpx(input_kml_path: str, output_gpx_path: str): | |
| # Load KML file | |
| kml_file = gis.GisFile.open(input_kml_path, gis.GisFormat.KML) | |
| # Ensure source CRS is known; if not, assume WGS‑84 | |
| source_crs = kml_file.get_spatial_reference() | |
| if source_crs is None: | |
| source_crs = gis.CoordinateSystem.wgs84() | |
| # Define target CRS for GPX (always WGS‑84) | |
| target_crs = gis.CoordinateSystem.wgs84() | |
| # Reproject geometries if source differs from target | |
| if source_crs != target_crs: | |
| kml_file.reproject(target_crs) | |
| # Save as GPX | |
| kml_file.save(output_gpx_path, gis.GisFormat.GPX) | |
| # Load the generated GPX for validation | |
| gpx_file = gis.GisFile.open(output_gpx_path, gis.GisFormat.GPX) | |
| if gpx_file.validate(): | |
| print("GPX file created and validated successfully.") | |
| else: | |
| print("Validation failed. Check the output file for issues.") | |
| if __name__ == "__main__": | |
| convert_kml_to_gpx("sample.kml", "result.gpx") |