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Support tile sources without configured projection

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This change adds a lot of flexibility to working with tile
layers: Sources where the server projection or tile grid do not
matter can now be constructed without specifying a projection or
tile grid.

The tileUrlFunction/imageUrlFunction now also creates updated
URLs when the params of the layer change, so things like
mergeNewParams in ol2 will be possible.

A nice side effect of this whole change is that there is no more
duplicated code between tiled and single image WMS layers.

While I was at it, I also fixed a WMS 1.1.1 axis order issue
and incorrect STYLES params (STYLES=& instead of STYLES&).
This commit is contained in:
ahocevar
2013-03-05 00:46:58 +01:00
parent cad215e0cc
commit 586f393492
24 changed files with 320 additions and 206 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/ol/renderer/canvas/canvasimagelayerrenderer.js
View File

@@ -79,7 +79,8 @@ ol.renderer.canvas.ImageLayer.prototype.renderFrame =
var hints = frameState.viewHints;
if (!hints[ol.ViewHint.ANIMATING] && !hints[ol.ViewHint.INTERACTING]) {
image = imageSource.getImage(frameState.extent, viewResolution);
image = imageSource.getImage(
frameState.extent, viewResolution, view2DState.projection);
if (!goog.isNull(image)) {
var imageState = image.getState();
if (imageState == ol.ImageState.IDLE) {

14
src/ol/renderer/canvas/canvastilelayerrenderer.js
View File

@@ -86,11 +86,15 @@ ol.renderer.canvas.TileLayer.prototype.renderFrame =
function(frameState, layerState) {
var view2DState = frameState.view2DState;
var projection = view2DState.projection;
var tileLayer = this.getTileLayer();
var tileSource = tileLayer.getTileSource();
var tileSourceKey = goog.getUid(tileSource).toString();
var tileGrid = tileSource.getTileGrid();
if (goog.isNull(tileGrid)) {
tileGrid = ol.tilegrid.getForProjection(projection);
}
var z = tileGrid.getZForResolution(view2DState.resolution);
var tileSize = tileGrid.getTileSize(z);
var tileResolution = tileGrid.getResolution(z);
@@ -129,11 +133,11 @@ ol.renderer.canvas.TileLayer.prototype.renderFrame =
var tilesToDrawByZ = {};
tilesToDrawByZ[z] = {};
var isLoaded = function(tile) {
var getTileIfLoaded = this.createGetTileIfLoadedFunction(function(tile) {
return !goog.isNull(tile) && tile.getState() == ol.TileState.LOADED;
};
}, tileSource, tileGrid, projection);
var findLoadedTiles = goog.bind(tileSource.findLoadedTiles, tileSource,
tilesToDrawByZ, isLoaded);
tilesToDrawByZ, getTileIfLoaded);
var allTilesLoaded = true;
var tile, tileCenter, tileCoord, tileState, x, y;
@@ -141,7 +145,7 @@ ol.renderer.canvas.TileLayer.prototype.renderFrame =
for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
tileCoord = new ol.TileCoord(z, x, y);
tile = tileSource.getTile(tileCoord);
tile = tileSource.getTile(tileCoord, tileGrid, projection);
if (goog.isNull(tile)) {
continue;
}
@@ -200,7 +204,7 @@ ol.renderer.canvas.TileLayer.prototype.renderFrame =
}
this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
tileSource.useLowResolutionTiles(z, frameState.extent);
tileSource.useLowResolutionTiles(z, frameState.extent, tileGrid);
this.scheduleExpireCache(frameState, tileSource);
var transform = this.transform_;

3
src/ol/renderer/dom/domimagelayerrenderer.js
View File

@@ -67,7 +67,8 @@ ol.renderer.dom.ImageLayer.prototype.renderFrame =
var hints = frameState.viewHints;
if (!hints[ol.ViewHint.ANIMATING] && !hints[ol.ViewHint.INTERACTING]) {
var image_ = imageSource.getImage(frameState.extent, viewResolution);
var image_ = imageSource.getImage(
frameState.extent, viewResolution, view2DState.projection);
if (!goog.isNull(image_)) {
var imageState = image_.getState();
if (imageState == ol.ImageState.IDLE) {

14
src/ol/renderer/dom/domtilelayerrenderer.js
View File

@@ -79,11 +79,15 @@ ol.renderer.dom.TileLayer.prototype.renderFrame =
}
var view2DState = frameState.view2DState;
var projection = view2DState.projection;
var tileLayer = this.getTileLayer();
var tileSource = tileLayer.getTileSource();
var tileSourceKey = goog.getUid(tileSource).toString();
var tileGrid = tileSource.getTileGrid();
if (goog.isNull(tileGrid)) {
tileGrid = ol.tilegrid.getForProjection(projection);
}
var z = tileGrid.getZForResolution(view2DState.resolution);
var tileResolution = tileGrid.getResolution(z);
var tileRange = tileGrid.getTileRangeForExtentAndResolution(
@@ -93,11 +97,11 @@ ol.renderer.dom.TileLayer.prototype.renderFrame =
var tilesToDrawByZ = {};
tilesToDrawByZ[z] = {};
var isLoaded = function(tile) {
var getTileIfLoaded = this.createGetTileIfLoadedFunction(function(tile) {
return !goog.isNull(tile) && tile.getState() == ol.TileState.LOADED;
};
}, tileSource, tileGrid, projection);
var findLoadedTiles = goog.bind(tileSource.findLoadedTiles, tileSource,
tilesToDrawByZ, isLoaded);
tilesToDrawByZ, getTileIfLoaded);
var allTilesLoaded = true;
var tile, tileCenter, tileCoord, tileState, x, y;
@@ -105,7 +109,7 @@ ol.renderer.dom.TileLayer.prototype.renderFrame =
for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
tileCoord = new ol.TileCoord(z, x, y);
tile = tileSource.getTile(tileCoord);
tile = tileSource.getTile(tileCoord, tileGrid, projection);
if (goog.isNull(tile)) {
continue;
}
@@ -216,7 +220,7 @@ ol.renderer.dom.TileLayer.prototype.renderFrame =
}
this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
tileSource.useLowResolutionTiles(z, frameState.extent);
tileSource.useLowResolutionTiles(z, frameState.extent, tileGrid);
this.scheduleExpireCache(frameState, tileSource);
};

17
src/ol/renderer/layerrenderer.js
View File

@@ -258,3 +258,20 @@ ol.renderer.Layer.prototype.updateWantedTiles =
}
wantedTiles[tileSourceKey][coordKey] = true;
};
/**
* @param {function(ol.Tile): boolean} isLoadedFunction Function to
* determine if the tile is loaded.
* @param {ol.source.TileSource} tileSource Tile source.
* @param {ol.tilegrid.TileGrid} tileGrid Tile grid.
* @param {ol.Projection} projection Projection.
* @return {function(ol.TileCoord): ol.Tile} Returns a tile if it is loaded.
*/
ol.renderer.Layer.prototype.createGetTileIfLoadedFunction =
function(isLoadedFunction, tileSource, tileGrid, projection) {
return function(tileCoord) {
var tile = tileSource.getTile(tileCoord, tileGrid, projection);
return isLoadedFunction(tile) ? tile : null;
};
};

3
src/ol/renderer/webgl/webglimagelayerrenderer.js
View File

@@ -160,7 +160,8 @@ ol.renderer.webgl.ImageLayer.prototype.renderFrame =
var hints = frameState.viewHints;
if (!hints[ol.ViewHint.ANIMATING] && !hints[ol.ViewHint.INTERACTING]) {
var image_ = imageSource.getImage(frameState.extent, viewResolution);
var image_ = imageSource.getImage(
frameState.extent, viewResolution, view2DState.projection);
if (!goog.isNull(image_)) {
var imageState = image_.getState();
if (imageState == ol.ImageState.IDLE) {

14
src/ol/renderer/webgl/webgltilelayerrenderer.js
View File

@@ -281,12 +281,16 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
var gl = mapRenderer.getGL();
var view2DState = frameState.view2DState;
var projection = view2DState.projection;
var center = view2DState.center;
var tileLayer = this.getTileLayer();
var tileSource = tileLayer.getTileSource();
var tileSourceKey = goog.getUid(tileSource).toString();
var tileGrid = tileSource.getTileGrid();
if (goog.isNull(tileGrid)) {
tileGrid = ol.tilegrid.getForProjection(projection);
}
var z = tileGrid.getZForResolution(view2DState.resolution);
var tileResolution = tileGrid.getResolution(z);
var tileRange = tileGrid.getTileRangeForExtentAndResolution(
@@ -365,12 +369,12 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
var tilesToDrawByZ = {};
tilesToDrawByZ[z] = {};
var isLoaded = function(tile) {
var getTileIfLoaded = this.createGetTileIfLoadedFunction(function(tile) {
return !goog.isNull(tile) && tile.getState() == ol.TileState.LOADED &&
mapRenderer.isTileTextureLoaded(tile);
};
}, tileSource, tileGrid, projection);
var findLoadedTiles = goog.bind(tileSource.findLoadedTiles, tileSource,
tilesToDrawByZ, isLoaded);
tilesToDrawByZ, getTileIfLoaded);
var tilesToLoad = new goog.structs.PriorityQueue();
@@ -380,7 +384,7 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
tileCoord = new ol.TileCoord(z, x, y);
tile = tileSource.getTile(tileCoord);
tile = tileSource.getTile(tileCoord, tileGrid, projection);
if (goog.isNull(tile)) {
continue;
}
@@ -459,7 +463,7 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
}
this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
tileSource.useLowResolutionTiles(z, frameState.extent);
tileSource.useLowResolutionTiles(z, frameState.extent, tileGrid);
this.scheduleExpireCache(frameState, tileSource);
goog.vec.Mat4.makeIdentity(this.texCoordMatrix_);