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| author | Chris Schlaeger <chris@linux.com> | 2014-08-12 21:56:44 +0200 |
|---|---|---|
| committer | Chris Schlaeger <chris@linux.com> | 2014-08-12 21:56:44 +0200 |
| commit | ea346a785dc1b3f7c156f6fc33da634e1f1a627b (patch) | |
| tree | af67530553d20b6e82ad60fd79593e9c4abf5565 /misc/openlayers/examples/zoomLevels.html | |
| parent | 59741cd535c47f25971bf8c32b25da25ceadc6d5 (diff) | |
| download | postrunner-ea346a785dc1b3f7c156f6fc33da634e1f1a627b.zip | |
Adding jquery, flot and openlayers to be included with the GEM.v0.0.4
Diffstat (limited to 'misc/openlayers/examples/zoomLevels.html')
| -rw-r--r-- | misc/openlayers/examples/zoomLevels.html | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/misc/openlayers/examples/zoomLevels.html b/misc/openlayers/examples/zoomLevels.html new file mode 100644 index 0000000..d4eb1b1 --- /dev/null +++ b/misc/openlayers/examples/zoomLevels.html @@ -0,0 +1,81 @@ +<!DOCTYPE html> +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> + <meta name="apple-mobile-web-app-capable" content="yes"> + <link rel="stylesheet" href="../theme/default/style.css" type="text/css"> + <link rel="stylesheet" href="style.css" type="text/css"> + <script src="../lib/OpenLayers.js"></script> + <script type="text/javascript"> + var lon = 50; + var lat = 0; + var zoom = 0; + var map, layer; + + function init(){ + OpenLayers.DOTS_PER_INCH = 72; + var options = { + +// various ways of specifying similar things +// resolutions: [1.40625,0.703125,0.3515625,0.17578125,0.087890625,0.0439453125,0.02197265625,0.010986328125,0.0054931640625,0.00274658203125,0.00137329101], +// scales: [50000000, 10000000], +// maxResolution: 0.17578125, +// minResolution: 0.0439453125, +// maxScale: 10000000, +// minScale: 50000000, +// numZoomLevels: 5, +// units: "dd", + minResolution: "auto", + minExtent: new OpenLayers.Bounds(-1, -1, 1, 1), + maxResolution: "auto", + maxExtent: new OpenLayers.Bounds(-180, -90, 180, 90) + }; + + map = new OpenLayers.Map( 'map' , options); + + + layer = new OpenLayers.Layer.WMS( "OpenLayers WMS", + "http://vmap0.tiles.osgeo.org/wms/vmap0", {layers: 'basic'}); + map.addLayer(layer); + + + map.setCenter(new OpenLayers.LonLat(lon, lat), zoom); + } + + </script> + </head> + <body onload="init()"> + <h1 id="title">Zoom Level</h1> + + <div id="tags"> + zoom, zoomlevel, resolution, scale, cleanup + </div> + + <p id="shortdesc"> + This example shows the use of the resolutions layer option on a number of layer types. + </p> + + <div id="map" class="smallmap"></div> + + <div id="docs"> + <p> + Set the extent of the viewable map using preset levels of scale available + to the user via the zoom slider bar. You can set the minimum, maximum + scales or resolutions, the number of levels in between and the minimum + and maximum geographic extents in your map's units. + </p> + <p> + Default units for Scale are in inches. Resolution is specified in map units + per pixel where the default map units are decimal degrees(dd).<br> + scale = resolution * OpenLayers.INCHES_PER_UNIT[units] * + OpenLayers.DOTS_PER_INCH <br> + You can either set the scale or the resolution, there is no need to set both. + </p> + <p> + You can do it with a ... + </p> + </div> + + </body> +</html> |