-Added the grid map in the 3D map view (pcl::TextureMesh, available only when pcl>=1.7.2). Refactored how 2d maps are created.

-Fixed export grid map on Mac OS X.


git-svn-id: http://rtabmap.googlecode.com/svn/trunk/rtabmap@1623 f169173b-cf89-36c8-b27e-44dbe73f0c83

guilib/include/rtabmap/gui/UCv2Qt.h

@@ -65,6 +65,9 @@ inline QImage uCvMat2QImage(const cv::Mat & image, bool isBgr = true)
 		{
 			// mono grayscale
 			qtemp = QImage(image.data, image.cols, image.rows, image.cols, QImage::Format_Indexed8).copy();
+			QVector<QRgb> my_table;
+			for(int i = 0; i < 256; i++) my_table.push_back(qRgb(i,i,i));
+			qtemp.setColorTable(my_table);
 		}
 		else
 		{