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2020-10-16 03:59:46 -0500	commented answer	Converting a XYZ Point cloud to a depth image ... he checks the depth for nan value According to the IEEE standard, NaN values have the odd property that comparison
2018-09-20 10:25:44 -0500	received badge	● Famous Question (source)
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2018-01-02 06:35:25 -0500	edited question	Gazebo, camera 3d point to pixel Gazebo, camera 3d point to pixel Hi guy's, I have implemented a gazebo model with a stereo camera plugin. I have got a
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2018-01-02 06:34:30 -0500	edited question	Gazebo, camera 3d point to pixel Gazebo, camera 3d point to pixel Hi guy's, I have implemented a gazebo model with a stereo camera plugin. I have got a
2018-01-01 07:18:51 -0500	asked a question	Gazebo, camera 3d point to pixel Gazebo, camera 3d point to pixel Hi guy's, I have implemented a gazebo model with a stereo camera plugin. I have got a
2017-04-18 10:15:07 -0500	answered a question	making LINE_LIST lines different colors? change the ns value like: void draw_box(PointT min_point, PointT max_point, int number) { static ros::Publisher pub_marker = nh_.advertise<visualization_msgs::Marker>("/seg_box",1); visualization_msgs::Marker lines; lines.header.frame_id = MAIN_FRAME_ID; lines.header.stamp = ros::Time::now(); lines.type = visualization_msgs::Marker::LINE_LIST; lines.action = visualization_msgs::Marker::ADD; lines.scale.x = 0.01; lines.scale.y = 0.01; lines.color.a = 1.0; std::stringstream ss; ss << number; lines.ns = "my lines_" + ss.str(); lines.id = 1; geometry_msgs::Point pt1; pt1.x = min_point.x; pt1.y = min_point.y; pt1.z = min_point.z; geometry_msgs::Point pt2; pt2.x = min_point.x; pt2.y = min_point.y; pt2.z = max_point.z; geometry_msgs::Point pt3; pt3.x = max_point.x; pt3.y = min_point.y; pt3.z = min_point.z; geometry_msgs::Point pt4; pt4.x = max_point.x; pt4.y = min_point.y; pt4.z = max_point.z; geometry_msgs::Point pt5; pt5.x = min_point.x; pt5.y = max_point.y; pt5.z = min_point.z; geometry_msgs::Point pt6; pt6.x = min_point.x; pt6.y = max_point.y; pt6.z = max_point.z; geometry_msgs::Point pt7; pt7.x = max_point.x; pt7.y = max_point.y; pt7.z = min_point.z; geometry_msgs::Point pt8; pt8.x = max_point.x; pt8.y = max_point.y; pt8.z = max_point.z; lines.points.push_back(pt1); lines.points.push_back(pt2); lines.points.push_back(pt1); lines.points.push_back(pt3); lines.points.push_back(pt3); lines.points.push_back(pt4); lines.points.push_back(pt2); lines.points.push_back(pt4); lines.points.push_back(pt5); lines.points.push_back(pt6); lines.points.push_back(pt5); lines.points.push_back(pt7); lines.points.push_back(pt7); lines.points.push_back(pt8); lines.points.push_back(pt8); lines.points.push_back(pt6); lines.points.push_back(pt2); lines.points.push_back(pt6); lines.points.push_back(pt1); lines.points.push_back(pt5); lines.points.push_back(pt4); lines.points.push_back(pt8); lines.points.push_back(pt3); lines.points.push_back(pt7); if (number == 0) { lines.color.r = 1.0f; } else if (number == 1) { lines.color.g = 1.0f; } else if (number == 2) { lines.color.b = 1.0f; }else if (number == 3) { lines.color.b = 1.0f; lines.color.g = 1.0f; }else if (number == 4) { lines.color.r = 1.0f; lines.color.g = 1.0f; }else if (number == 5) { lines.color.r = 1.0f; lines.color.b = 1.0f; }else if (number > 5) { lines.color.r = 1.0f; lines.color.g = 1.0f; lines.color.b = 1.0f; } pub_marker.publish(lines); }
2017-03-21 05:17:38 -0500	received badge	● Student (source)
2016-09-14 07:35:45 -0500	answered a question	How do I convert a mesh to a pointcloud for use with pcl ICP have a look at https://github.com/PointCloudLibrary/... it samples point on the surface
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2016-03-21 03:30:00 -0500	commented question	How to build OpenCV extra module while OpenCV is installed with ros Unfortunately not
2016-03-16 12:23:59 -0500	asked a question	install an extra module for opencv while opencv is installed with ros Hey! I try to install an extra module for opencv with the following commands: `$ cd <opencv_build_directory> $ cmake -DOPENCV_EXTRA_MODULES_PATH=<opencv_contrib>/modules <opencv_source_directory> $ make -j5` where is the <opencv_build_directory> and <opencv_source_directory> if opencv is install with ros in Ubuntu? Best regards!
2016-03-16 12:23:59 -0500	asked a question	How to build OpenCV extra module while OpenCV is installed with ros Hey guy's! I have installed ROS on my computer and this include opencv. Now I would like to a an extra module for opencv: https://github.com/tolgabirdal/opencv... The README sayed that I shall execute following commands: `$ cd <opencv_build_directory> $ cmake -DOPENCV_EXTRA_MODULES_PATH=<opencv_contrib>/modules <opencv_source_directory> $ make -j5` where is the <opencv_build_directory> and the <opencv_source_directory> if opencv is installed with ros? Best regards!