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Minor improvements of reprojection examples

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This commit is contained in:
Petr Sloup
2015-09-04 14:18:54 +02:00
parent 59bce75d2a
commit 76974a5888
5 changed files with 20 additions and 29 deletions
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examples/reprojection-by-code.html
+3 -3
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@@ -1,10 +1,10 @@
---
template: example.html
title: Reprojection with EPSG.io database search
shortdesc: Demonstrates client-side raster reprojection of MapQuest OSM to any projection
shortdesc: Demonstrates client-side raster reprojection of MapQuest OSM to arbitrary projection
docs: >
This example shows client-side raster reprojection capabilities of
OpenLayers 3 from MapQuest OSM (EPSG:3857) to any projection by searching
This example shows client-side raster reprojection capabilities from
MapQuest OSM (EPSG:3857) to arbitrary projection by searching
in <a href="http://epsg.io/">EPSG.io</a> database.
tags: "reprojection, projection, proj4js, mapquest, epsg.io"
resources:
examples/reprojection-image.html
+3 -4
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@@ -1,11 +1,10 @@
---
template: example.html
title: Image reprojection example
shortdesc: Demonstrates client-side reprojection of single image.
shortdesc: Demonstrates client-side reprojection of single image source.
docs: >
This example shows client-side single-image reprojection capabilities of
OpenLayers 3.
tags: "reprojection, projection, proj4js, mapquest, image"
This example shows client-side reprojection of single image source.
tags: "reprojection, projection, proj4js, mapquest, image, imagestatic"
resources:
- http://cdnjs.cloudflare.com/ajax/libs/proj4js/2.3.6/proj4.js
---
examples/reprojection-image.js
+4 -6
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@@ -12,9 +12,7 @@ proj4.defs('EPSG:27700', '+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 ' +
'+x_0=400000 +y_0=-100000 +ellps=airy ' +
'+towgs84=446.448,-125.157,542.06,0.15,0.247,0.842,-20.489 ' +
'+units=m +no_defs');
var extent = [0, 0, 700000, 1300000];
var proj27700 = ol.proj.get('EPSG:27700');
proj27700.setExtent(extent);
var imageExtent = [0, 0, 700000, 1300000];
var map = new ol.Map({
layers: [
@@ -26,15 +24,15 @@ var map = new ol.Map({
url: 'http://upload.wikimedia.org/wikipedia/commons/thumb/1/18/' +
'British_National_Grid.svg/2000px-British_National_Grid.svg.png',
projection: 'EPSG:27700',
imageExtent: extent
imageExtent: imageExtent
})
})
],
renderer: common.getRendererFromQueryString(),
target: 'map',
view: new ol.View({
center: ol.proj.transform(ol.extent.getCenter(extent),
proj27700, 'EPSG:3857'),
center: ol.proj.transform(ol.extent.getCenter(imageExtent),
'EPSG:27700', 'EPSG:3857'),
zoom: 4
})
});
examples/reprojection.html
+6 -7
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@@ -3,9 +3,8 @@ template: example.html
title: Raster reprojection example
shortdesc: Demonstrates client-side raster reprojection between various projections.
docs: >
This example shows client-side raster reprojection capabilities of
OpenLayers 3 between various projections.
tags: "reprojection, projection, proj4js, mapquest, wms"
This example shows client-side raster reprojection between various projections.
tags: "reprojection, projection, proj4js, mapquest, wms, wmts, hidpi"
resources:
- http://cdnjs.cloudflare.com/ajax/libs/proj4js/2.3.6/proj4.js
---
@@ -17,14 +16,14 @@ resources:
<div class="col-md-3">
<label>Base map:</label>
<select id="base-map">
<option value="MapQuest">MapQuest OSM</option>
<option value="wms4326">EPSG:4326 from WMS</option>
<option value="mapquest">MapQuest (EPSG:3857)</option>
<option value="wms4326">WMS (EPSG:4326)</option>
</select>
</div>
<div class="col-md-4">
<label>Overlay map:</label>
<select id="overlay-map">
<option value="OS">British National Grid (EPSG:27700)</option>
<option value="bng">British National Grid (EPSG:27700)</option>
<option value="wms21781">Swisstopo WMS (EPSG:21781)</option>
<option value="wmts3413">NASA Arctic WMTS (EPSG:3413)</option>
<option value="grandcanyon">Grand Canyon HiDPI (EPSG:3857)</option>
@@ -35,7 +34,7 @@ resources:
<label>View projection:</label>
<select id="view-projection">
<option value="EPSG:3857">Spherical Mercator (EPSG:3857)</option>
<option value="EPSG:4326">EPSG:4326</option>
<option value="EPSG:4326">WGS 84 (EPSG:4326)</option>
<option value="ESRI:54009">Mollweide (ESRI:54009)</option>
<option value="EPSG:27700">British National Grid (EPSG:27700)</option>
<option value="EPSG:23032">ED50 / UTM zone 32N (EPSG:23032)</option>
examples/reprojection.js
+4 -9
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@@ -31,11 +31,6 @@ proj4.defs('EPSG:5479', '+proj=lcc +lat_1=-76.66666666666667 +lat_2=' +
var proj5479 = ol.proj.get('EPSG:5479');
proj5479.setExtent([6825737.53, 4189159.80, 9633741.96, 5782472.71]);
proj4.defs('EPSG:5041', '+proj=stere +lat_0=90 +lat_ts=90 +lon_0=0 +k=0.994 ' +
'+x_0=2000000 +y_0=2000000 +datum=WGS84 +units=m +no_defs');
var proj5041 = ol.proj.get('EPSG:5041');
proj5041.setExtent([1994055.62, 5405875.53, 2000969.46, 2555456.55]);
proj4.defs('EPSG:21781', '+proj=somerc +lat_0=46.95240555555556 ' +
'+lon_0=7.439583333333333 +k_0=1 +x_0=600000 +y_0=200000 +ellps=bessel ' +
'+towgs84=674.4,15.1,405.3,0,0,0,0 +units=m +no_defs');
@@ -60,7 +55,7 @@ proj54009.setExtent([-18e6, -9e6, 18e6, 9e6]);
var layers = [];
layers['OS'] = new ol.layer.Tile({
layers['bng'] = new ol.layer.Tile({
source: new ol.source.XYZ({
projection: 'EPSG:27700',
url: 'https://googledrive.com/host/0B0bm2WdRuvICflNqUmxEdUNOV0ZRUFQ3cXNXR' +
@@ -69,7 +64,7 @@ layers['OS'] = new ol.layer.Tile({
})
});
layers['MapQuest'] = new ol.layer.Tile({
layers['mapquest'] = new ol.layer.Tile({
source: new ol.source.MapQuest({layer: 'osm'})
});
@@ -150,8 +145,8 @@ layers['states'] = new ol.layer.Tile({
var map = new ol.Map({
layers: [
layers['MapQuest'],
layers['OS']
layers['mapquest'],
layers['bng']
],
renderer: common.getRendererFromQueryString(),
target: 'map',