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2014-10-13 23:29:05 -0500 commented answer Ubuntu 12.04.2 and openni_launch not detecting Kinect after update?

@ish45 assuming you have Ubuntu 12.04 64bit:

cd ~/Downloads
unzip avin2-SensorKinect-v0.93-5.1.2.1-0-g15f1975.zip 
cd avin2-SensorKinect-15f1975/Bin
tar -xjf SensorKinect093-Bin-Linux-x64-v5.1.2.1.tar.bz2
cd Sensor-Bin-Linux-x64-v5.1.2.1
sudo ./install.sh
2014-09-20 00:06:10 -0500 received badge  Student (source)
2014-09-15 23:39:22 -0500 commented answer urdf to lagrangian equations of motion

This is great news Martin!

2014-08-13 05:33:57 -0500 answered a question Openni2 problem with registered depth points

Ubuntu 14.04 - ROS Indigo

This is because the depth_registration option is not selected.

Start rqt_reconfigure

rosrun rqt_reconfigure rqt_reconfigure

Select the driver from the left side and activate the depth_registration option.

You should now be able to see the registered rgbd pointcloud in rviz.

image description

image description

2014-08-13 05:28:22 -0500 answered a question Openni2 problem with registered depth points

Ubuntu 14.04 - ROS Indigo

This is because the depth_registration option is not selected.

Start rqt_reconfigure

rosrun rqt_reconfigure rqt_reconfigure

Select the driver from the left side and activate the depth_registration option.

You should now be able to see the registered rgbd pointcloud in rviz.

image description

image description

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2014-07-10 09:40:16 -0500 commented answer Anyone using the new XBOX One Kinect?

Any update on this?

2014-07-09 11:01:46 -0500 commented question Gazebo Segfaults in Travis-CI

@mbforbes did you ever get this to work?

2014-06-06 03:04:07 -0500 edited answer OpenNI/NITE incompatible in Fuerte/Groovy on Precise

Since openni.org site has changed recently. You should do the following to do as @pgorczak suggested.

You need to install the NiTE v1.5.2.21 middleware from:

www.openni.ru/openni-sdk/openni-sdk-history-2

Assuming you extracted the file to your Downloads directory, do the following:

cd ~/Downloads/NITE-Bin-Dev-Linux-x64-v1.5.2.21

sudo ./install.sh

2014-06-06 03:01:12 -0500 commented answer OpenNI/NITE incompatible in Fuerte/Groovy on Precise

I saw this too late. Anyway here is a dropbox link of all the downloads I got before they shutdown: www.dropbox.com/sh/jsygeyx8dwa49w6/AAA-XmOWcz9svJBZQ_VKMS3ha Nice find! I edited the answer.

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2014-05-09 15:12:00 -0500 commented answer How do I convert a mesh to a pointcloud for use with pcl ICP

@ben to my knowledge this just converts vertices in the STL file into points in the point cloud. I am not aware of a tool that resamples points. Did you find any good solution?

2014-05-09 15:08:51 -0500 commented answer catkin_make target_link_libraries

@rcj1986 please edit the original question when posting updates instead of posting an answer to your own question. Unless this was the answer to your own question.

2014-05-09 15:05:52 -0500 commented answer Hydro catkin_make error after update related to libflann

If you don't have aptitude, install it: sudo apt-get install aptitude

2014-05-09 15:04:15 -0500 answered a question Hydro catkin_make error after update related to libflann

This seems to be related to libflann upgraded to 1.8.4-2. The solution was to downgrade libflann. I used aptitude to do this easily.

sudo aptitude remove libflann-dev

The first time aptitude suggests to remove many packages. Type 'n' for no at the prompt.

The second time aptitude suggests keeping libflann at 1.8.4-2. Type 'n' for no at the prompt.

The third time aptitude suggests downgrading libflann-dev [1.8.4-2 (now, precise) -> 1.7.1-1 (precise)]. Type 'y' for yes.

Here was my terminal output:

$ sudo aptitude remove libflann-dev
[sudo] password for isura: 
The following packages will be REMOVED:  
  libflann-dev libkms1{u} nvidia-settings-304{u} 
0 packages upgraded, 0 newly installed, 3 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 11.1 MB will be freed.
The following packages have unmet dependencies:
 libpcl-search-1.7-dev : Depends: libflann-dev but it is not going to be installed.
 libpcl-kdtree-1.7-dev : Depends: libflann-dev but it is not going to be installed.
The following actions will resolve these dependencies:

      Remove the following packages:           
1)      libpcl-1.7-all                         
2)      libpcl-1.7-all-dev                     
3)      libpcl-apps-1.7-dev                    
.
.
.
80)     ros-hydro-turtlebot-simulator          
81)     ros-hydro-turtlebot-teleop             
82)     ros-hydro-turtlebot-viz                



Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:

     Keep the following packages at their current version:
1)     libflann-dev [1.8.4-2 (now, precise)]              



Accept this solution? [Y/n/q/?] n
The following actions will resolve these dependencies:

     Downgrade the following packages:                           
1)     libflann-dev [1.8.4-2 (now, precise) -> 1.7.1-1 (precise)]



Accept this solution? [Y/n/q/?] y
The following packages will be DOWNGRADED:
  libflann-dev 
The following packages will be REMOVED:
  libkms1{u} nvidia-settings-304{u} 
0 packages upgraded, 0 newly installed, 1 downgraded, 2 to remove and 0 not upgraded.
Need to get 0 B/892 kB of archives. After unpacking 2,039 kB will be freed.
Do you want to continue? [Y/n/?] y
(Reading database ... 496379 files and directories currently installed.)
Removing libkms1 ...
Removing nvidia-settings-304 ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
dpkg: warning: downgrading libflann-dev from 1.8.4-2 to 1.7.1-1.
(Reading database ... 496371 files and directories currently installed.)
Preparing to replace libflann-dev 1.8.4-2 (using .../libflann-dev_1.7.1-1_amd64.deb) ...
Unpacking replacement libflann-dev ...
Setting up libflann-dev (1.7.1-1) ...
2014-05-09 14:55:04 -0500 asked a question Hydro catkin_make error after update related to libflann

After upgrading the Hydro packages I get the following compile error:

make[2]: *** [  0%] No rule to make target `/usr/lib/libflann_cpp_s.a'
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2014-04-26 15:47:05 -0500 commented answer OpenNI/NITE incompatible in Fuerte/Groovy on Precise

Do you still have this problem?

2014-01-28 17:28:45 -0500 marked best answer robot_pose_ekf hardcoded topics and tf

Why are "odom", "imu_data" and "base_footprint" hardcoded in robot_pose_ekf? Why not pass these as parameters similar to "odom_combined"? see below:

nh_private.param("input_odom", input_odom_, std::string("odom"));
nh_private.param("input_imu", input_imu_, std::string("imu_data"));
nh_private.param("robot_frame", robot_frame_, std::string("base_footprint"));

The above parameters are not currently defined in robot_pose_ekf.

2014-01-19 10:53:37 -0500 commented answer OpenNI/NITE incompatible in Fuerte/Groovy on Precise

Was your problem resolved @ctguell?

2014-01-19 10:51:19 -0500 commented answer OpenNI/NITE incompatible in Fuerte/Groovy on Precise

Was this resolved @bit-pirate?

2013-12-18 19:01:25 -0500 answered a question How do I convert a mesh to a pointcloud for use with pcl ICP

You could do this in ROS Hydro PCL 1.7 if your mesh was a pcl::PolygonMesh:

#include <pcl io="" vtk_lib_io.h="">

const std::string meshFileName = "test.stl";

pcl::PolygonMesh testMesh;
pcl::io::loadPolygonFileSTL( meshFileName, testMesh );    
pcl_conversions::fromPCL( testMesh.cloud, output );
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2013-08-06 06:43:09 -0500 asked a question pr2_mechanism_model::KinematicHelpers class missing

The pr2_mechanism_model::KinematicHelpers class seems to be missing from the pr2_mechanism_model package. Was this moved to another package?

This is used in the Coding a realtime Cartesian controller with Eigen tutorial: http://www.ros.org/wiki/pr2_mechanism/Tutorials/Coding%20a%20realtime%20Cartesian%20controller%20with%20Eigen

I found the following questions that were not answered: http://comments.gmane.org/gmane.science.robotics.ros.user/7999

http://listarc.com/showthread.php?1780322-Cartesian+controller+tutorial

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