The geometry entity can be a point, line, polygon, or other geometric figures. In the example above, you dissolved the state level polygons to a region level. shapely multipolygon to polygon def convert_to_multipolygon(geoms): from shapely.geometry import MultiPolygon rings = [] for geom in geoms: if isinstance(geom, MultiPolygon): rings = rings + [geom for geom in geom.geoms] else: rings = rings + [geom] geometry = MultiPolygon(rings) # Downsample 3D -> 2D wkt2d = geometry.to_wkt() geom2d = shapely.wkt.loads(wkt2d) return geom2d I think this is valid GeoJSON, but shapely errors when trying to convert it. shapely.geometry.multipolygon — OpenClimateGIS 2.1.1 … Create a MultiPolygon. Plotting polygon Shapefiles on a Matplotlib Basemap with … plt. Multi = MultiPolygon([shape(pol['geometry']) for pol in fiona.open('polygons.shp')] Nota: Si hay diferentes tipos de geometrías en el archivo de forma (MultiPolygon incrustado en polígonos) use unary_union: "la función de unión unaria puede operar en diferentes tipos de geometría, no solo en polígonos como es el caso de las uniones en cascada más antiguas" Python geometry.MultiPolygon方法代码示例 - 纯净天空 The signed area of the result will have the given sign. Add the given shapely geometries (in the given crs) to the axes. In my previous two posts, I showed how to (1) read and plot shapefile geometries using the pyshp library and (2) plot polygons using shapely and descartes.So the obvious next step is to combine the two! from shapely.geometry import Point, Polygon. How to write Shapely geometries to shapefiles? - NewbeDEV You can use us_regions.reset_index ().plot (column = 'region', ax=ax) to reset the index when you plot the data. shape [: 2]) # View - you'll see some loss in detail compared to the before-polygon # image if min_area is high - go ahead and try different numbers! OK, concretely, suppose we have installed Shapely library, Anaconda, and had an image like the one on left side of images below.In this tutorial, we will convert this image into a mask image like the one on … By general-purpose, I mean it doesn’t manipulate any filesize reduction processes (e.g., removing unnecessary json tags) other than limiting the number of Polygon elements per MultiPolygon geometry. Above is general-purpose MultiPolygon to Polygon conversion source made in Python. Shapely and geometric objects - Read the Docs Avoid stumbling over SVN revision numbers in GEOS C API version strings.