How to plot a shapefile in matplotlib Question: I have a question regarding plotting a polygon shapefile in matplotlib. The data I am working with is available here (the zip file called Delmarva_PL_House_Final.zip). The polygons coordinates are UTM 18N. After importing it into geopandas and changing the crs as such: df = df.to_crs(epsg=4326) I went …
Creating Polyline feature from points using for loop in Python: No error but does not create the features either Question: I am new to Python and trying to create a Polyline feature from Lat longs in a text file. Using answers to similar questions, below is the code I came up with. It doesn’t throw …
Exporting a Geopandas dataframe to a zipped shapefile directly Question: I’m trying to save Geopandas data frame into a shapefile that is written to a zipped folder directly. As any shapefile user knows, a shapefile is not a single file but rather a collection of files that are meant to be read together. So calling …
UnicodeDecodeError 'utf-8' codec can't decode – using python shapefile reader Question: I’m trying to read a shapefile r = shapefile.Reader(filepath, encoding = “utf-8”) but when I try to get a value from the .records() object like: r.records()[0] it returns to me the following error: UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xe9 in position 4: invalid …
Plotting a masked Antarctica with a shapefile or geopandas Question: I’m trying to plot data around the Antarctica while masking the continent. While I’m using basemap and it has an option to easily mask continents using map.fillcontinents(), the continent considered by basemap includes the ice shelves, which I do not want to mask. I tried …
How to copy the spatial reference from a shapefile to a geotiff raster? Question: I have constructed a python script that constructs a geotiff raster from a shapefile. At present the geotiff produced does not contain the spatial reference of the shapefile. How do I copy the spatial reference from the shapefile to the geotiff? …
Need the path for particular files using os.walk() Question: I’m trying to perform some geoprocessing. My task is to locate all shapefiles within a directory, and then find the full path name for that shapefile within the directory. I can get the name of the shapefile, but I don’t know how to get the full …
Check if a geopoint with latitude and longitude is within a shapefile Question: How can I check if a geopoint is within the area of a given shapefile? I managed to load a shapefile in python, but can’t get any further. Asked By: Gerald Bäck || Source Answers: One way to do this is to …
Shapefile reader in Python? Question: Are there any libraries that I can use to read a shp/shx/dbf/sbx set of files? I mainly need to extract some polygons but something that lets me extract any data that I want would be awesome. Asked By: Zameer Manji || Source Answers: The pyshp library should be good. Answered …
