earthworks | Geospatial discovery application for Stanford University | Map library
kandi X-RAY | earthworks Summary
kandi X-RAY | earthworks Summary
Geospatial discovery application for Stanford University Libraries. Built using:.
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earthworks Key Features
earthworks Examples and Code Snippets
Community Discussions
Trending Discussions on earthworks
QUESTION
I've obtained a shapefile of zipcode perimeters from here and would like to plot them on top of a Cartopy map, as I did in this example.
According to the source, this data is in EPSG 4326 coordinate system. When I attempt to plot the data
...ANSWER
Answered 2019-Jul-18 at 02:15To plot data from different sources together, one must declare correct coordinate reference system
for each data set. In the case of shapefile, you can find it in its accompanying xxx.prj
file.
Here is the working code:
QUESTION
I'm trying to plot the outline of Bay Area city/town borders on top of a cartopy terrain map using a shapefile obtained here and following this example. For some reason, the borders don't show up, even when I specify borders are on top via zorder
. Am I missing something?
ANSWER
Answered 2019-Jul-02 at 22:14As @ImportanceOfBeingErnest and @swatchai suggest, the CRS (coordinate reference system) parameter in ShapelyFeature cartopy.feature.ShapelyFeature()
was incorrect.
The proper EPSG (European Petroleum Survey Group?) code can be found in one of the .xml files included with the shapefile:
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On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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