Fix 3d picking projection with camera offset (#3749)

visgl · Oct 4, 2019 · 2894929 · 2894929
1 parent fddf1ab
commit 2894929
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/modules/core/src/lib/deck-picker.js b/modules/core/src/lib/deck-picker.js
@@ -186,8 +186,9 @@ export default class DeckPicker {
           redrawReason: 'pick-z',
           pickZ: true
         });
-        // picked value is in common space (pixels)
-        z = zValues[0] * viewports[0].distanceScales.metersPerPixel[2];
+        // picked value is in common space (pixels) from the camera target (viewport.position)
+        // convert it to meters from the ground
+        z = zValues[0] * viewports[0].distanceScales.metersPerPixel[2] + viewports[0].position[2];
       }
 
       // Only exclude if we need to run picking again.