ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Port ol.tilegrid to new extents

Browse Source
This commit is contained in:
Tom Payne
2013-04-16 16:12:27 +02:00
parent b4f7259c7f
commit ca8647c808
2 changed files with 24 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/ol/tilegrid/tilegrid.js
View File

@@ -5,13 +5,13 @@ goog.provide('ol.tilegrid.TileGrid');
goog.require('goog.array');
goog.require('goog.asserts');
goog.require('ol.Coordinate');
goog.require('ol.Extent');
goog.require('ol.PixelBounds');
goog.require('ol.Projection');
goog.require('ol.Size');
goog.require('ol.TileCoord');
goog.require('ol.TileRange');
goog.require('ol.array');
goog.require('ol.extent');
/**
@@ -205,10 +205,10 @@ ol.tilegrid.TileGrid.prototype.getTileRangeExtent =
var resolution = this.getResolution(z);
var tileSize = this.getTileSize(z);
var minX = origin[0] + tileRange.minX * tileSize.width * resolution;
var minY = origin[1] + tileRange.minY * tileSize.height * resolution;
var maxX = origin[0] + (tileRange.maxX + 1) * tileSize.width * resolution;
var minY = origin[1] + tileRange.minY * tileSize.height * resolution;
var maxY = origin[1] + (tileRange.maxY + 1) * tileSize.height * resolution;
return new ol.Extent(minX, minY, maxX, maxY);
return ol.extent.createOrUpdate(minX, maxX, minY, maxY, opt_extent);
};
@@ -222,11 +222,11 @@ ol.tilegrid.TileGrid.prototype.getTileRangeForExtentAndResolution =
function(extent, resolution, opt_tileRange) {
var tileCoord = ol.tilegrid.TileGrid.tmpTileCoord_;
this.getTileCoordForXYAndResolution_(
extent.minX, extent.minY, resolution, false, tileCoord);
extent[0], extent[2], resolution, false, tileCoord);
var minX = tileCoord.x;
var minY = tileCoord.y;
this.getTileCoordForXYAndResolution_(
extent.maxX, extent.maxY, resolution, true, tileCoord);
extent[1], extent[3], resolution, true, tileCoord);
return ol.TileRange.createOrUpdate(
minX, tileCoord.x, minY, tileCoord.y, opt_tileRange);
};
@@ -272,10 +272,10 @@ ol.tilegrid.TileGrid.prototype.getTileCoordExtent =
var resolution = this.getResolution(tileCoord.z);
var tileSize = this.getTileSize(tileCoord.z);
var minX = origin[0] + tileCoord.x * tileSize.width * resolution;
var minY = origin[1] + tileCoord.y * tileSize.height * resolution;
var maxX = minX + tileSize.width * resolution;
var minY = origin[1] + tileCoord.y * tileSize.height * resolution;
var maxY = minY + tileSize.height * resolution;
return ol.Extent.createOrUpdate(minX, minY, maxX, maxY, opt_extent);
return ol.extent.createOrUpdate(minX, maxX, minY, maxY, opt_extent);
};
@@ -401,8 +401,8 @@ ol.tilegrid.createForProjection =
function(projection, opt_maxZoom, opt_tileSize) {
var projectionExtent = projection.getExtent();
var size = Math.max(
projectionExtent.maxX - projectionExtent.minX,
projectionExtent.maxY - projectionExtent.minY);
projectionExtent[1] - projectionExtent[0],
projectionExtent[3] - projectionExtent[2]);
var maxZoom = goog.isDef(opt_maxZoom) ?
opt_maxZoom : ol.DEFAULT_MAX_ZOOM;
var tileSize = goog.isDef(opt_tileSize) ?
@@ -414,7 +414,7 @@ ol.tilegrid.createForProjection =
resolutions[z] = size / Math.pow(2, z);
}
return new ol.tilegrid.TileGrid({
origin: projectionExtent.getBottomLeft(),
origin: ol.extent.getBottomLeft(projectionExtent),
resolutions: resolutions,
tileSize: tileSize
});