wiki:MapCacheOpenLayers

Version 14 (modified by Jeff McKenna, 5 years ago) ( diff )

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Configuring MS4W and MapCache for use in OpenLayers 3

This was spawned by an MS4W user asking how to setup OpenLayers3 for an MS4W MapCache's WMS service (thread), with the following incorrect Javascript code, which did not write tiles to MS4W's cache directory:

                        new ol.layer.Tile({
                        title: 'Chabahar',    
                        source: new ol.source.TileWMS({
                        url: 'http://localhost:100/cgi-bin/mapserv.exe?map=D:/WEB_GIS/code_test/wms/HTML5Application/public_html/chabahar.map&',
                        params: {
                                          'LAYERS': 'chabahar',
                                          'FORMAT': 'image/png',
                                          'TILED': true
                                     },
                        serverType: 'mapserver'
                                                       })
                                        })  ,

Step 1: Initialize MapCache Module

  • follow all of the steps in MS4W's README to initialize the MapCache module
  • confirm that tiles are being generated inside the folder: /ms4w/tmp/ms_tmp/cache/

Step 2: Install MS4W's OpenLayers3 Package

  • if you haven't installed MS4W's OpenLayers 3 package (we'll use its sample WMS mapfile), please install it:
    • save the OpenLayers zip locally from: http://ms4w.com/download.html#applications-packaged-for-ms4w
    • extract its contents to the root of your MS4W installation
    • restart Apache: as Administrator, execute: /ms4w/apache-restart.bat
    • on your MS4W homepage, click on the "MapServer WMS Example" link, in the OpenLayers section
    • this example uses a local WMS service, and the world countries should appear as below: Default OpenLayers demo using sample WMS service from MS4W

Step 3: Configure mapcache.xml to use WMS as a Source

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