From c3d7dfb593de63b33057ffbaf2f27402074b74e1 Mon Sep 17 00:00:00 2001
From: Jan Philipp Timme <jan.philipp@timme.it>
Date: Thu, 7 Jan 2016 18:38:36 +0100
Subject: [PATCH] [TASK] Add debugging output to hough machine.

---
 hough_machine.cpp   | 5 ++++-
 imageviewer-qt4.cpp | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/hough_machine.cpp b/hough_machine.cpp
index a3ec510..aed2d7d 100644
--- a/hough_machine.cpp
+++ b/hough_machine.cpp
@@ -60,6 +60,9 @@ class HoughMachine {
       this->d_rad = (2*r_max)/this->n_rad;
       this->hough_arr = (int*) malloc(sizeof(int) * this->n_ang * this->n_rad);
       for(int i=0; i< this->n_ang*this->n_rad; i++) this->hough_arr[i] = 0;
+      std::cout << "Hough params: x_center: " << this->x_center << ", y_center: " << this->y_center << std::endl;
+      std::cout << "n_ang: " << this->n_ang << ", d_ang: " << this->d_ang << std::endl;
+      std::cout << "n_rad: " << this->n_rad << ", d_rad: " << this->d_rad << ", r_max: " << r_max << std::endl;
       this->fillHoughAccumulator();
       this->debugShow();
     };
@@ -70,7 +73,7 @@ class HoughMachine {
 	  QColor pixel = QColor::fromRgb(this->original->getPixel(u, v, LazyImage::DEFAULT));
 	  int h, s, l;
 	  pixel.getHsl(&h, &s, &l);
-	  if(l < 15) {
+	  if(l < 15) { // TODO: parameterize this
 	    this->doPixel(u, v);
 	  }
 	}
diff --git a/imageviewer-qt4.cpp b/imageviewer-qt4.cpp
index b2f5955..e3081f1 100644
--- a/imageviewer-qt4.cpp
+++ b/imageviewer-qt4.cpp
@@ -774,7 +774,7 @@ void ImageViewer::runHoughTransformation(void) {
   logFile << "Let's run a hough transformation!" << std::endl;
   renewLogging();
   HoughMachine* hm = new HoughMachine(original, working_copy);
-  hm->run(250, 250);
+  hm->run(256, 256);
   delete hm;
   updateImageDisplay();  
 }