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Updated Mapnik2 (markdown)

springmeyer 2012-01-08 20:03:56 -08:00
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Mapnik2.md

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<!-- Name: Mapnik2 -->
<!-- Version: 64 -->
<!-- Last-Modified: 2011/04/14 18:26:35 -->
<!-- Author: springmeyer -->
# Mapnik2 # Mapnik2
Mapnik2 is the name for the Mapnik (2.0.0) and 2.x series. In this major release we jumped from 0.7.x to 2.x.
Mapnik2 is current trunk and a new era of the mapnik codebase that uses boost features only available in boost >=1.41, icu >=4.2, and is a testbed for next-generation Mapnik features. To get Mapnik 2.x either:
Pre-release installers for Mapnik2 are available for Mac OS X: http://dbsgeo.com/downloads/#mapnik-2.0.0 1) Download the latest master from github `git clone https://github.com/mapnik/mapnik.git`
For Linux source compiles are required, see instructions below. 2) Download the latest 2.x series release from https://github.com/mapnik/mapnik/downloads.
Mapnik2 implements a naming change for ease of development and testing . 3) Or, read about installing for specific platforms: https://github.com/mapnik/mapnik/wiki/Mapnik-Installation
So in python for now you do: Mapnik2 was over a year in development before formal release for two reasons:
* Mapnik2 requires at least Boost 1.42, and we waited for major linux distributions to start packaging at least that boost version
* Mapnik2 simplifies a few elements of the XML syntax in backward incompatible ways.
While Mapnik2 was in development (and for the 2.0.0 release) we implemented a naming change for ease of development and testing.
So in python you can do:
```python ```python
>>> import mapnik2 # . This enables running the Mapnik 0.7.x series alongside Mapnik2. >>> import mapnik2 # . This made it easier for developers to run the Mapnik 0.7.x series alongside Mapnik2.
``` ```
And C++ programs must link against mapnik2: But, the current development code (and the upcoming Mapnik 2.1.0 release) has now moved back to using:
```sh ```python
-L/usr/local/lib -lmapnik2 >>> import mapnik #import mapnik2 will still work but will issue a deprecation warning
``` ```
See also the brainstorming page for Future Mapnik at [[Ideas_FutureMapnik]]
## Compatibility ## Compatibility
The Mapnik2 API has advanced (requiring breakages) and the XML syntax has changed in specific cases. The Mapnik2 API has advanced (requiring breakages) and the XML syntax has changed in specific cases.