geophp | PHP library that is intended to hold and process GIS data | Map library
kandi X-RAY | geophp Summary
kandi X-RAY | geophp Summary
GeoPHP is a library that is intended to hold and process GIS data conforming to the OGC Simple Features for SQL specification. For information see Data in this format is used by the PostGIS extension to PostgreSQL and the Spatial Extensions for MySQL. This library is mainly intended to act as a data container, and does not include advanced processing capabilities such as projections and relationships.
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Top functions reviewed by kandi - BETA
- Parse coordinates .
- Convert this object to EK
- Get the next token
- Read unsigned integer from current position
- Parse multiple geometries
- Decodes a hexadecimal string .
- Get the binary representation of the points .
- Create from an array
- Create a new Point from XYZ .
- Create a Polygon from linear rings
geophp Key Features
geophp Examples and Code Snippets
Community Discussions
Trending Discussions on geophp
QUESTION
I'm trying to make an algorithm in PHP that should return true if the area of a polygon cross the area of another one, or if it's fully inside.
Sutherland–Hodgman algorithm is the kind of algorithm i'm looking for but I'd need it in php.
Here is the pseudo code from wikipedia:
...ANSWER
Answered 2019-Apr-03 at 09:38Finally found out how to solve all my problems !
- Going to https://geophp.net/ and downloading sources
- Installing the package php-geos following this link https://packages.debian.org/stretch-backports/amd64/php-geos/download
- Enabling the php-geos package (geos.ini)
- The method "crosses" was not the one I was looking for ! The good one was "intersects"
The right code is :
QUESTION
in my Laravel controller, I am trying to access a static method on a 3rd party library from a method inside the controller, but I always get the error:
"Fatal error: Class 'App\Http\Controllers\geoPHP' not found".
While on a breakpoint using VS Code, I can use the terminal and access the static method. Thoughts?
In the controller, I have the method to just get the version of the static class software:
...ANSWER
Answered 2019-Mar-01 at 22:35You have to be careful with namespace convention, in the controller you are in the App\Http\Controllers\ namespace, so if you want to call your custom class you have to explicit escape the controller namespace, i.e:
QUESTION
I want to read mysql POINT column and convert it into WKT. As you know data format of GEOMETRY in MySQL is WKB so to convert with GeoPHP you should:
...ANSWER
Answered 2017-Jul-13 at 19:04As you know MySQl (and MariDB) store geometry data as follow:
MySQL stores geometry values using 4 bytes to indicate the SRID followed by the WKB representation of the value. For a description of WKB format, see Well-Known Binary (WKB) Format.
See MySQL documents for more information.
So, first 4 bytes are SRID and must removed from data. You could convert any Geo data (from my MySQL) as follow:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install geophp
PHP requires the Visual C runtime (CRT). The Microsoft Visual C++ Redistributable for Visual Studio 2019 is suitable for all these PHP versions, see visualstudio.microsoft.com. You MUST download the x86 CRT for PHP x86 builds and the x64 CRT for PHP x64 builds. The CRT installer supports the /quiet and /norestart command-line switches, so you can also script it.
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