Merge pull request #143 from githubdoe/DOE/crashfixzernikeprocess

Fix crash in Zernike process

Author: gr5

mainwindow.cpp

@@ -971,7 +971,7 @@ void MainWindow::on_actionAbout_triggered()
                              "<li> QWT " + QWT_VERSION_STR + ", armadillo " + QString::fromStdString(arma::arma_version::as_string()) + ", Lapack, BLAS</li></ul></p>"
                              "<h3>Credits</h3>"
                              "<ul><li>Mike Peck for<ul><li>Researching and explaining FFT algorithm.</li>"
-                             "<li>Researching and explaining Unwrap algorithms.</li></li>"
+                             "<li>Researching and explaining Unwrap and annular algorithms.</li></li>"
                              "<li>Steve Koehler for much help with Vortex implementation.</li>"
                              "<li>Dave Rowe for starting the Interferometry group and publishig the initial program.</li>"
                              "<li>Kieran Larken for deriving and publishing the Vortex Transform.</li>"

zernikeprocess.cpp

@@ -1099,7 +1099,7 @@ cv::Mat zernikeProcess::makeSurfaceFromZerns(int border, bool doColor){
     cv::Mat result = cv::Mat::ones(wx,wx, (doColor)? CV_8UC4: numType);
 
 
-
+    m_needsInit = true;
     initGrid(wx, rad, (wx-1)/2, (wx-1)/2, m_maxOrder, 0);
     double spacing = 1.;
     mirrorDlg *md = mirrorDlg::get_Instance();
@@ -1116,7 +1116,7 @@ cv::Mat zernikeProcess::makeSurfaceFromZerns(int border, bool doColor){
         dlg_arbitrary->prepare(dlg.size);
 
 
-    for (std::size_t i = 0; i < m_zerns.n_rows; ++i)
+    for (std::size_t i = 0; i < m_rhoTheta.n_cols; ++i)
     {
 
         double rho = m_rhoTheta.row(0)(i);