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

Merge pull request #7120 from ahocevar/fix-overzoom-hitdetect

Browse Source 
Fix hit detection for overzoomed vector tiles
This commit is contained in:
Andreas Hocevar
2017-08-14 09:21:04 -04:00
committed by GitHub
parent d65cabebd6 992cf2b2d6
commit b06efa387c
2 changed files with 44 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/ol/renderer/canvas/vectortilelayer.js
View File

@@ -238,7 +238,7 @@ ol.renderer.canvas.VectorTileLayer.prototype.forEachFeatureAtCoordinate = functi
var sourceTileGrid = source.getTileGrid();
var bufferedExtent, found, tileSpaceCoordinate;
var i, ii, origin, replayGroup;
var tile, tileCoord, tileExtent, tilePixelRatio, tileResolution;
var tile, tileCoord, tileExtent, tilePixelRatio, tileRenderResolution;
for (i = 0, ii = renderedTiles.length; i < ii; ++i) {
tile = renderedTiles[i];
tileCoord = tile.tileCoord;
@@ -254,12 +254,14 @@ ol.renderer.canvas.VectorTileLayer.prototype.forEachFeatureAtCoordinate = functi
var sourceTileExtent = sourceTileGrid.getTileCoordExtent(sourceTileCoord, this.tmpExtent);
origin = ol.extent.getTopLeft(sourceTileExtent);
tilePixelRatio = this.getTilePixelRatio_(source, sourceTile);
tileResolution = sourceTileGrid.getResolution(sourceTileCoord[0]) / tilePixelRatio;
var sourceTileResolution = sourceTileGrid.getResolution(sourceTileCoord[0]);
tileRenderResolution = sourceTileResolution / tilePixelRatio;
tileSpaceCoordinate = [
(coordinate[0] - origin[0]) / tileResolution,
(origin[1] - coordinate[1]) / tileResolution
(coordinate[0] - origin[0]) / tileRenderResolution,
(origin[1] - coordinate[1]) / tileRenderResolution
];
resolution = tilePixelRatio;
var upscaling = tileGrid.getResolution(tileCoord[0]) / sourceTileResolution;
resolution = tilePixelRatio * upscaling;
} else {
tileSpaceCoordinate = coordinate;
}