From ac14f6df6257dad3b4664c4ef9f964673f4844e8 Mon Sep 17 00:00:00 2001
From: Andreas Hocevar <andreas.hocevar@gmail.com>
Date: Wed, 24 Jun 2020 21:37:13 +0200
Subject: [PATCH 1/2] Fix getFeatures after rotation reset for Vector

---
 src/ol/renderer/canvas/VectorLayer.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ol/renderer/canvas/VectorLayer.js b/src/ol/renderer/canvas/VectorLayer.js
index 4cfc53a639..5f0241d287 100644
--- a/src/ol/renderer/canvas/VectorLayer.js
+++ b/src/ol/renderer/canvas/VectorLayer.js
@@ -318,6 +318,10 @@ class CanvasVectorLayerRenderer extends CanvasLayerRenderer {
       container.style.opacity = opacity === 1 ? '' : String(opacity);
     }
 
+    if (this.renderedRotation_ !== viewState.rotation) {
+      this.renderedRotation_ = viewState.rotation;
+      this.hitDetectionImageData_ = null;
+    }
     return this.container;
   }
 
@@ -660,7 +664,6 @@ class CanvasVectorLayerRenderer extends CanvasLayerRenderer {
     this.renderedRevision_ = vectorLayerRevision;
     this.renderedRenderOrder_ = vectorLayerRenderOrder;
     this.renderedExtent_ = extent;
-    this.renderedRotation_ = viewState.rotation;
     this.renderedCenter_ = center;
     this.renderedProjection_ = projection;
     this.replayGroup_ = executorGroup;

From 18a8961d79405a432a420755018e204c1b7cd2f4 Mon Sep 17 00:00:00 2001
From: Andreas Hocevar <andreas.hocevar@gmail.com>
Date: Wed, 24 Jun 2020 21:37:25 +0200
Subject: [PATCH 2/2] Fix getFeatures after rotation reset for VectorImage

---
 src/ol/renderer/canvas/VectorImageLayer.js | 31 +++++++++++-----------
 1 file changed, 15 insertions(+), 16 deletions(-)

diff --git a/src/ol/renderer/canvas/VectorImageLayer.js b/src/ol/renderer/canvas/VectorImageLayer.js
index 3b7da272c5..0de4dd3c1c 100644
--- a/src/ol/renderer/canvas/VectorImageLayer.js
+++ b/src/ol/renderer/canvas/VectorImageLayer.js
@@ -150,6 +150,21 @@ class CanvasVectorImageLayerRenderer extends CanvasImageLayerRenderer {
         function () {
           if (image.getState() === ImageState.LOADED) {
             this.image_ = image;
+            const imageResolution = image.getResolution();
+            const imagePixelRatio = image.getPixelRatio();
+            const renderedResolution =
+              (imageResolution * pixelRatio) / imagePixelRatio;
+            this.renderedResolution = renderedResolution;
+            this.coordinateToVectorPixelTransform_ = compose(
+              this.coordinateToVectorPixelTransform_,
+              width / 2,
+              height / 2,
+              1 / renderedResolution,
+              -1 / renderedResolution,
+              0,
+              -viewState.center[0],
+              -viewState.center[1]
+            );
           }
         }.bind(this)
       );
@@ -157,23 +172,7 @@ class CanvasVectorImageLayerRenderer extends CanvasImageLayerRenderer {
     }
 
     if (this.image_) {
-      const image = this.image_;
-      const imageResolution = image.getResolution();
-      const imagePixelRatio = image.getPixelRatio();
-      const renderedResolution =
-        (imageResolution * pixelRatio) / imagePixelRatio;
-      this.renderedResolution = renderedResolution;
       this.renderedPixelToCoordinateTransform_ = frameState.pixelToCoordinateTransform.slice();
-      this.coordinateToVectorPixelTransform_ = compose(
-        this.coordinateToVectorPixelTransform_,
-        width / 2,
-        height / 2,
-        1 / renderedResolution,
-        -1 / renderedResolution,
-        0,
-        -viewState.center[0],
-        -viewState.center[1]
-      );
     }
 
     return !!this.image_;