rename var in projection

src/components/projection.cpp

@@ -277,7 +277,7 @@ cv::Point2i Projection::rotatePixel(cv::Point2i center, double angle, cv::Point2
 cv::Point2i Projection::revertRotatePixel(cv::Point2i center, double angle, cv::Point2i rotatedPixel){
 
     cv::Mat_<float> matRotation = cv::getRotationMatrix2D(center, angle, 1);
-    cv::Mat tmp = (cv::Mat_<cv::Vec2f>(1, 1) << cv::Vec2f(pixel.x, pixel.y));
+    cv::Mat tmp = (cv::Mat_<cv::Vec2f>(1, 1) << cv::Vec2f(rotatedPixel.x, rotatedPixel.y));
     cv::Mat invMat;
     cv::invertAffineTransform(matRotation, invMat);
     cv::transform(tmp, tmp, invMat);