[GRASS-SVN] r68571 - sandbox/bo/i.segment.gsoc2016/i.segment

[svn_grass at osgeo.org]

Author: hao2309
Date: 2016-06-01 20:14:15 -0700 (Wed, 01 Jun 2016)
New Revision: 68571

Modified:
   sandbox/bo/i.segment.gsoc2016/i.segment/mean_shift_2016_05_30_yb.c
Log:
update north-south west-east notations

Modified: sandbox/bo/i.segment.gsoc2016/i.segment/mean_shift_2016_05_30_yb.c
===================================================================
--- sandbox/bo/i.segment.gsoc2016/i.segment/mean_shift_2016_05_30_yb.c	2016-06-02 02:40:07 UTC (rev 68570)
+++ sandbox/bo/i.segment.gsoc2016/i.segment/mean_shift_2016_05_30_yb.c	2016-06-02 03:14:15 UTC (rev 68571)
@@ -76,7 +76,7 @@
   }
 }
 
-//cluster bandwidth simplified method to clustering image matrix
+//simplified cluster bandwidth method to clump image 
 void clump_matrix(float **mtr){
 	//the value of class
   	int class_value = 0;
@@ -147,28 +147,28 @@
 			//# go through all columns
 			for (int current_col=0;current_col<COLNUM;current_col++){
 				//create moving window, resize in the image edge
-				int window_row_west = current_row - RADIUS;//left bound of the window
-				int window_row_east = window_row_west + window_size;//right bound of the window
+				int window_row_north = current_row - RADIUS;//left bound of the window
+				int window_row_south = window_row_north + window_size;//right bound of the window
 				//clip window in the edge
-				if (window_row_west<0){
-					window_row_west = 0;
+				if (window_row_north<0){
+					window_row_north = 0;
 				}
-				if (window_row_east>ROWNUM){
-					window_row_east = ROWNUM;
+				if (window_row_south>ROWNUM){
+					window_row_south = ROWNUM;
 				}
-				int window_col_north = current_col - RADIUS;//upper bound of the window
-				int window_col_south = current_col + window_size;//lower bound of the window
-				if (window_col_north<0){
-					window_col_north = 0;
+				int window_col_west = current_col - RADIUS;//upper bound of the window
+				int window_col_east = window_col_west + window_size;//lower bound of the window
+				if (window_col_west<0){
+					window_col_west = 0;
 				}
-				if (window_col_south>ROWNUM){
-					window_col_south = ROWNUM;
+				if (window_col_east>ROWNUM){
+					window_col_east = ROWNUM;
 				}
 				float sum_of_weights = 0;
 				float new_raster_value = 0;
 				//start of the moving window
-				for (int current_window_row = window_row_west;current_window_row<window_row_east;current_window_row++){
-					for (int current_window_col = window_col_north;current_window_col<window_col_south;current_window_col++){
+				for (int current_window_row = window_row_north;current_window_row<window_row_south;current_window_row++){
+					for (int current_window_col = window_col_west;current_window_col<window_col_east;current_window_col++){
 						//check spatial distance (bandwidth)
 						float weight = 1;
 						if (sqrt(pow((current_window_row - current_row),2)+pow((current_window_col - current_col),2))<=RADIUS){