Get pixel data

2022-02-06 16:46:01 -07:00
parent cd45663996
commit eb4d5e0784
23 changed files with 721 additions and 101 deletions
--- a/examples/getfeatureinfo-tile.js
+++ b/examples/getfeatureinfo-tile.js
@@ -47,9 +47,7 @@ map.on('pointermove', function (evt) {
  if (evt.dragging) {
    return;
  }
-  const pixel = map.getEventPixel(evt.originalEvent);
-  const hit = map.forEachLayerAtPixel(pixel, function () {
-    return true;
-  });
+  const data = wmsLayer.getData(evt.pixel);
+  const hit = data && data[3] > 0; // transparent pixels have zero for data[3]
  map.getTargetElement().style.cursor = hit ? 'pointer' : '';
 });