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Doc changes suggested by @probins

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This commit is contained in:
Andreas Hocevar
2014-07-08 16:31:18 +02:00
parent 8b2277cdda
commit 88ab1ac61a
4 changed files with 20 additions and 10 deletions
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10
examples/wms-custom-proj.js
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@@ -8,14 +8,18 @@ goog.require('ol.proj');
goog.require('ol.source.TileWMS');
var proj4Def = proj4.defs['EPSG:21781'];
// EPSG:21781 is known to Proj4js because its definition was loaded in the html.
var projection = ol.proj.addProjection({
code: 'EPSG:21781',
// The extent is used to determine zoom level 0. Recommended values for a
// projection's validity extent can be found at http://epsg.io/.
extent: [485869.5728, 76443.1884, 837076.5648, 299941.7864],
units: proj4Def.units
// Use data from proj4js to configure the projection's units.
units: proj4.defs['EPSG:21781'].units
});
// Proj4js provides transform functions between its configured projections.
// The transform is needed for the ScaleLine control. Otherwise this example
// would also work without proj4js.
// would also work without transform functions.
ol.proj.addCoordinateTransforms('EPSG:4326', projection, proj4('EPSG:21781'));
var extent = [420000, 30000, 900000, 350000];

11
examples/wms-image-custom-proj.js
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@@ -8,8 +8,13 @@ goog.require('ol.proj');
goog.require('ol.source.ImageWMS');
// Transparent Proj4js support: ol.proj.get() creates and returns a projection
// known to Proj4js if it is unknown to OpenLayers, and registers functions to
// transform between all registered projections.
// EPSG:21781 is known to Proj4js because its definition was loaded in the html.
var projection = ol.proj.get('EPSG:21781');
// The extent is used to determine zoom level 0
// The extent is used to determine zoom level 0. Recommended values for a
// projection's validity extent can be found at http://epsg.io/.
projection.setExtent([485869.5728, 76443.1884, 837076.5648, 299941.7864]);
var extent = [420000, 30000, 900000, 350000];
@@ -51,9 +56,7 @@ var layers = [
var map = new ol.Map({
controls: ol.control.defaults().extend([
new ol.control.ScaleLine({
units: 'metric'
})
new ol.control.ScaleLine()
]),
layers: layers,
renderer: exampleNS.getRendererFromQueryString(),

6
externs/olx.js
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@@ -284,7 +284,8 @@ olx.CoordinateTransforms;
/**
* The forward transform function that takes a {@link ol.Coordinate} as argument
* The forward transform function (that is, from the source projection to the
* target projection) that takes a {@link ol.Coordinate} as argument
* and returns the transformed {@link ol.Coordinate}.
* @type {function(ol.Coordinate): ol.Coordinate}
*/
@@ -292,7 +293,8 @@ olx.CoordinateTransforms.prototype.forward;
/**
* The inverse transform function that takes a {@link ol.Coordinate} as argument
* The inverse transform function (that is, from the target projection to the
* source projection) that takes a {@link ol.Coordinate} as argument
* and returns the transformed {@link ol.Coordinate}.
* @type {function(ol.Coordinate): ol.Coordinate}
*/

3
src/ol/proj/proj.js
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@@ -62,7 +62,8 @@ ol.proj.METERS_PER_UNIT[ol.proj.Units.METERS] = 1;
* Class for coordinate transforms between coordinate systems. By default,
* OpenLayers ships with the ability to transform coordinates between
* geographic (EPSG:4326) and web or spherical mercator (EPSG:3857)
* coordinate reference systems.
* coordinate reference systems. Any transform functions can be added with
* {@link ol.proj.addCoordinateTransforms}.
*
* Additional transforms may be added by using the {@link http://proj4js.org/}
* library. If the proj4js library is loaded, transforms will work between any