PROJ is a generic coordinate transformation software that transforms geospatial coordinates from one coordinate reference system CRS to another.
This includes cartographic projections as well as geodetic transformations. PROJ includes command line applications for easy conversion of coordinates from text files or directly from user input. The API lets developers use the functionality of PROJ in their own software without having to implement similar functionality themselves.
PROJ started purely as a cartography application letting users convert geodetic coordinates into projected coordinates using a number of different cartographic projections. Over the years, as the need has become apparent, support for datum shifts has slowly worked its way into PROJ as well. Today PROJ supports more than a hundred different map projections and can transform coordinates between datums using all but the most obscure geodetic techniques.
You can download the source code for PROJ on the download section and find links to prepackaged executables in the installation section.Released: May 4, Python interface to PROJ cartographic projections and coordinate transformations library.
View statistics for this project via Libraries. Tags python, map projections, GIS, mapping, maps. Thanks goes to these wonderful people emoji key :. This project follows the all-contributors specification. Contributions of any kind welcome!Introduction to Geospatial Data Analysis with Python - SciPy 2018 Tutorial - Serge Rey
Oct 3, Sep 15, Aug 22, Aug 10, May 4, Mar 18, Feb 22, Dec 1, Nov 6, Sep 21, Sep 1, Aug 21, Aug 19, Jun 24, Jun 2, Apr 5, These pages describe how to install PROJ on your computer without compiling it yourself. This is a good place to get started if this is your first time using PROJ. More advanced users may want to compile the software themselves. The conda package manager includes several PROJ packages.
We recommend installing from the conda-forge channel:. Using conda you can also install the PROJ data package. Available is also the legacy packages proj-datumgrid-europeproj-datumgrid-north-americaproj-datumgrid-oceania and proj-datumgrid-world. Read more about the various datumgrid packages available here. Get the package with:. OSGeo4W provides easy access to many popular open source geospatial software packages.
To install PROJ do the following:.
Download either the 32 bit or 64 bit installer. For those who are more inclined to the command line, steps 2—10 above can be accomplished by executing the following command:. Below is a few examples for some of the more common Linux distributions:. The classic way of installing PROJ is via the source code distribution.
The most recent version is available from the download page.
The following guides show how to compile and install the software using the Autotools and CMake build systems. If this default path prefix is proper, then execute:. With a successful install of PROJ we can now install data files using the projsync utility:. If less than the entire collection of resource files is needed the call to projsync can be modified to suit the users needs. See projsync for more options.Released: May 18, A command-line manager for archiving and retrieving projects.
Search PyPI Search. Latest version Released: May 18, Navigation Project description Release history Download files. Project links Homepage. Maintainers lars Project description Project details Release history Download files Project description A command-line folder manager for archiving and restoring a long-term set of projects.
If you do not want to download anything, Proj4js is also hosted on cdnjs for direct use in your browser applications. When all 3 arguments are given, the result is that the coordinates are transformed from projection1 to projection 2.
And returned in the same format that they were given in. If no coordinates are given an object with two methods is returned, its methods are forward which projects from the first projection to the second and inverse which projects from the second to the first.
If you prefer to define a projection as a string and reference it that way, you may use the proj4. Defined projections can also be accessed through the proj4. TypeScript implementation was added to the DefinitelyTyped repository.
To set up build tools make sure you have node and grunt-cli installed and then run npm install. Git github. Join in the discussion! Keywords none. Install npm i proj4 Downloads Weekly Downloads 55, Version 2.
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If nothing happens, download the GitHub extension for Visual Studio and try again. PROJ is a generic coordinate transformation software, that transforms coordinates from one coordinate reference system CRS to another. This includes cartographic projections as well as geodetic transformations. More information on the utilities can be found on the PROJ website.
Consult the Installation page of the official documentation. For builds on the master branch, install. Sources are distributed in one or more files.
The principle elements of the system are stored in a compressed tar file named proj-x. The grid package is distributed under the name proj-data-x. The resource packages can be downloaded from the PROJ website. As an alternative to installing the data package on the local system, the resource files can be retrieved on-the-fly from the PROJ CDN. We use optional third-party analytics cookies to understand how you use GitHub. You can always update your selection by clicking Cookie Preferences at the bottom of the page.
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