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2014-04-20 06:57:10 -0500 | marked best answer | roscd can't see my OpenCV package Hello, .I've set my ROS_PACKAGE_PATH to "/home/leo/:/home/leo/catkin_ws/src:/opt/ros/hydro/share:/opt/ros/hydro/stacks" Now when I do roscd opencv2 it leads me to the package opencv2 but when i type roscd OpenCV it says "roscd: No such package/stack 'OpenCV'" but that package OpenCV is definetly there I'm seeing it in my "/opt/ros/hydro/share/".What could be the problem? |
2014-04-20 06:57:05 -0500 | marked best answer | How to Extract video from bag file? Hi, I am using ROS hydro on Ubuntu 12.04. After using the command "rosrun image_view extract_images _sec_per_frame:=0.01 image:={IMAGE_TOPIC_IN_BAGFILE}" I'm having an error when executing"ffmpeg -r -b -i frame%04d.jpg .avi" The thing is I am not seeing the sequence of images after I play the bagfile.I ran "rosbag info" to obtain the topic in the bag file but when I run "rosrun rqtgraph rqtgraph" the /extract_image frame node is there all by itself. When I follow the tutorials on http://wiki.ros.org/rosbag/Tutorials/... I get an error " [FATAL] [1394583654.335465840]: Error opening file: play".After replacing play by "--clock" or just removing "play" everything seemed to go just fine but there are no frames*.jpg in /home/.ros. I feel like I'm lacking something.Can anyone help? |
2014-04-20 06:57:03 -0500 | marked best answer | rosmake: error: no such option: --rosdep-installI I 'm using ROS and I'm trying to follow the tutorials on how to export image and video data from a bag file.I keep having this error.When inserting the " rosmake image_view --rosdep-install".What do I lack? |
2014-04-01 12:23:06 -0500 | commented answer | camera_node not found in package uvc_camera? I'm now wondering on why It was changed and not specified on wiki.ros.org/uvc_cameraā€ˇ |
2014-04-01 12:20:25 -0500 | answered a question | camera_node not found in package uvc_camera? The correct node is now uvc_camera_node. |
2014-04-01 11:21:46 -0500 | answered a question | camera_node not found in package uvc_camera? Actually, the camera_node doesn't exist.It is now uvc_camera_node. |
2014-04-01 11:19:48 -0500 | asked a question | camera_node not found in package uvc_camera? Hi, I'm using ubuntu 13.04 ros hydro and I'm trying to run the camera_node on my in uvc_camera package using a launch file containing : <launch> <node ns="camera" pkg="uvc_camera" type="camera_node " name="uvc_camera" output="screen"> </node> But I get this error ERROR: cannot launch node of type [uvc_camera/camera_node]: can't locate node [camera_node] in package [uvc_camera]. |
2014-04-01 10:50:46 -0500 | commented answer | why do I get an error when building my pakage? Thanks @martin but I think there's an error in the link,the page doesn't exist yet. |
2014-03-30 22:38:02 -0500 | commented answer | OpenCV VideoCapture Not Working in Diamondback? I would have surely used this Idea if the others didn't work.Thanks |
2014-03-30 22:35:26 -0500 | commented answer | OpenCV VideoCapture Not Working in Diamondback? Cool pal.That's so cool. |
2014-03-30 22:21:14 -0500 | commented answer | why do I get an error when building my pakage? @martin, Thanks.Could you point me to the where I can find the updated info? |
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2014-03-30 12:49:35 -0500 | commented answer | why do I get an error when building my pakage? Thanks.I've done the changes.That solved the problem due to the target library but not that due to the package configuration files.The package did not build. |
2014-03-30 12:39:55 -0500 | edited question | why do I get an error when building my pakage? Hi,
I'm using ubuntu 13.04 an I have created a package using catkin_create_pkg tutorial_opencv image_transport roscpp std_msgs opencv2 cv_bridge uvc_camera.There is c++ program in my package called DisplayImage.The pkg is in my catkin workspace .When I built it I had an error
" FIND_PACKAGE(OpenCV REQUIRED) Here is the full content of my CMakelist.txt plus the output of "VERBOSE=1 catkin_make -j1 " https://gist.github.com/Leyonce/9731649 I am supposing the problem has to do with the fact that thoses files don't exsit in the opencv2 package and In my utmost arrogant opinion they don't exist at all.What I see is the OpenCvConfig.cmake file and the OpenCVConfig-version.cmake file in the OPENCV directory which is supposed to be a library. Can anyone help? |
2014-03-24 02:39:30 -0500 | answered a question | Cannot use rosdep to install image_view in ros hydro Hi, If you have already initialised and updated rosdep with: sudo rosdep init &
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2014-03-23 21:39:14 -0500 | commented answer | Problem building package that needs opencv OpenCV is a conventional library that is packaged as ROS package opencv2 for convenience of installation. |
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2014-03-23 21:33:59 -0500 | commented answer | why do I get an error when building my pakage? ?? Well I haven't placed any .cpp file in my src file. I sought to build the tutorial_opencv package i guess. |