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[经验分享] 基于Python的开源GIS项目推荐

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发表于 2015-4-26 10:20:15 | 显示全部楼层 |阅读模式
Open Source GIS-Python Laboratory

前身应该是所谓ZMapServer,基于MapServer的Python封装,目前改名为这个名字,包括2个项目:

PrimaGIS
  Create web maps for Plone using OGC compliant web services or a variety of locally hosted GIS data backends, including your Plone site catalog.
Python Cartographic Library
  Packages for programming applications such as PrimaGIS, or for use with the Python web framework of your choice.

DSC0000.jpg

后者是基础类库,前者是一个WebGIS应用。特点包括:



  • Geo-aware proxy objects for spatially enabling any ArcheTypes based content object, that allows them to be used as data for the map without need for modify the original objects.
  • IGeoAware interface for making custom objects work as spatial data for PrimaGIS maps.
  • AJAX style background communication  for efficient map rendering. All AJAX (and DOM) operations are done using the excellent MochiKit library.
  • Info-on-map using JavaScript popups with the overlib-library. Moving on location on the map will popup a small window showing information for the referred object(s).
  • Extension classes for ArcheTypes developers for creating natively geo-aware objects usable as-is with PrimaGIS. See the Making existing AT objects IGeoAWare article for a simple example or take a look at the GeoAwareObjects product.
  • Zooming, drag panning, previous view, session-based default view.
  • Named views for creating easy access to points of interest on the maps. The views (PrimaGISView objects) also implement the IGeoAware interface, so you can just put them in a PrimaGISDataLayer to visualize them on the map in addition to using them for navigation. This is demonstrated in the demo map's "Areas of interest" layer.
  • Export of PrimaGISDataLayers to Geography Markup Language (GML). See http://www.primagis.fi/demo/index_html/capitals/data.gml for a GML dump of the "European capitals" layer for an example. Using a tool, such as ogr2ogr, you can easily convert the GML file to other vector formats, e.g. shapefile.
  • Export of PrimaGISDataLayers to Keyhole Markup Language (KML) for use with Google Earth. You can try out the feature by adding a new Network Link to your Google Earth client using http://www.primagis.fi/demo/index_html/capitals/data.kml as the URL.


  • Works with both Plone 2.0 and 2.1 series and Zope 2.7 and 2.8 series. Tested with Zope 2.7.8/Plone 2.0.5 and Zope 2.8.4/Plone 2.1.1.
  站点的Demo还不错,不过Ajax的效果只是后台异步调用数据,地图还没有做到分块(几个商业IMS产品也没有),呵呵。

看来开源GIS是选择越来越多,系统架构也越来越好了。

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所有资源均系网友上传或者通过网络收集,我们仅提供一个展示、介绍、观摩学习的平台,我们不对其承担任何法律责任,如涉及侵犯版权等问题,请您及时通知我们,我们将立即处理,联系人Email:kefu@iyunv.com,QQ:1061981298 本贴地址:https://www.yunweiku.com/thread-60801-1-1.html 上篇帖子: Python学习之一:语言的选择以及WingIDE破解 下篇帖子: Python自然语言处理学习笔记(50): 监督式分类
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