Disallow low-resolution calibration

photon-client/src/components/cameras/CameraCalibrationCard.vue

@@ -45,6 +45,17 @@ const getUniqueVideoFormatsByResolution = (): VideoFormat[] => {
           format.mean = calib.meanErrors.reduce((a, b) => a + b, 0) / calib.meanErrors.length;
         else format.mean = NaN;
 
+        // minPixelCount is the total area, in pixels, of the 640x480 (the minimum for proper calibration) resolution
+        const minPixelCount = ref(307200);
+        const resArea = computed(() => {
+          return format.resolution.width * format.resolution.height;
+        });
+        if (resArea.value > minPixelCount.value) {
+          format.resolution.width = 640;
+          format.resolution.height = 480;
+          uniqueResolutions.push(format);
+        }
+
         format.horizontalFOV =
           2 * Math.atan2(format.resolution.width / 2, calib.cameraIntrinsics.data[0]) * (180 / Math.PI);
         format.verticalFOV =
@@ -180,15 +191,17 @@ const isCalibrating = computed(
 );
 
 const startCalibration = () => {
-  useCameraSettingsStore().startPnPCalibration({
-    squareSizeIn: squareSizeIn.value,
-    markerSizeIn: markerSizeIn.value,
-    patternHeight: patternHeight.value,
-    patternWidth: patternWidth.value,
-    boardType: boardType.value,
-    useOldPattern: useOldPattern.value,
-    tagFamily: tagFamily.value
-  });
+  {
+    useCameraSettingsStore().startPnPCalibration({
+      squareSizeIn: squareSizeIn.value,
+      markerSizeIn: markerSizeIn.value,
+      patternHeight: patternHeight.value,
+      patternWidth: patternWidth.value,
+      boardType: boardType.value,
+      useOldPattern: useOldPattern.value,
+      tagFamily: tagFamily.value
+    });
+  }
   // The Start PnP method already handles updating the backend so only a store update is required
   useCameraSettingsStore().currentCameraSettings.currentPipelineIndex = WebsocketPipelineType.Calib3d;
   // isCalibrating.value = true;