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2022-03-16 14:36:46 -0500 commented answer exclude some topics from rosbag play

Thanks for the answer. How do we filter several topics?

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2019-08-29 15:12:49 -0500 marked best answer depth_image_proc: How do we use it...exactly?

Folks,

I can't get depth_image_proc to work. image_proc works, not problem, but the depth one is driving me crazy. I am already publishing a camera/depth_registered/image_raw topic (16bit mm), but I need the 32float version.

This how I tried to initialize depth_image_proc:

image description

I don't know what the "standalone_nodelet" part does, not the "--no-bond" part. I just saw other people's code on github and tried to use it. I even changed the standalone_nodelet parameter for my "camera/manager" nodelet, and nothing.

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2019-08-01 17:24:39 -0500 marked best answer Install launch files cakin

folks,

How do I install launch files with catkin? I was trying the next code in my CMakeList.txt, but it was working:

## Mark other files for installation (e.g. launch and bag files, etc.)
install(FILES
  ${PROJECT_NAME}/launch/my_launch_file.lunch
  # myfile2
  DESTINATION ${CATKIN_PACKAGE_SHARE_DESTINATION}
)
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2018-11-10 09:58:54 -0500 marked best answer enable carrot_planner

Hi folks,

How can I enable the carrot_planner in the navigation stack without have to write any code? Is there a parameter to enable it (in the same way we can enable/disable dwa)?

Thanks

edit1:

After I include that line inside move_base launcher to include carror, now I get this error:

[FATAL] [1424988770.617038890]: Failed to create the carrot_planner/CarrotPlanner planner, are you sure it is properly registered and that the containing library is built? Exception: According to the loaded plugin descriptions the class carrot_planner/CarrotPlanner with base class type nav_core::BaseGlobalPlanner does not exist. Declared types are  navfn/NavfnROS
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2018-11-07 18:12:04 -0500 marked best answer Include Header file from another package - Indigo

Hi folks,

I have a file called (every name here is FAKE) file.h from the package named "my_package."

Now, main.cpp located inside package named "the_package" needs to include the library in this manner:

#include <file.h>

but "the_package" cannot find file.h How do I make catkin allow "the_package" to find file.h without having to do something like:

#include "../../../my_package/file.h"

I am assuming I have to do it in my CMakeList.txt, but using find_package() nor find_package(catkin Required ...) are doing it.

Every package is located inside my "catkin_ws" workspace.

What is the proper way?

Thanks

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2018-09-19 04:31:04 -0500 marked best answer libpenni2 vs Occipital Openni2 (repository)

Folks, To use the Asus pro live with my personal projects (using the header files, etc.), what drivers are better, the libopenni2 (that come with openni2_launch ROS package), or the occipital repository? I ask this because I try to use the openni2 tracker with openni2_launch, but it crashes (not always, but from time to time). And I cannot find out how old the libopenni2 files are compared to the occipital OpenNi2 files.

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2018-09-18 19:50:55 -0500 marked best answer Valgrind and GDB on same roslaunch File

Folks,

How can I launch both valgrind and gdb on the same launch file? It seems that I can only add one "launch-prefix" attribute on my lunch file. This is what I tried:

launch-prefix="valgrind --vgdb=yes --vgdb-error=0" launch-prefix="xterm -e gdb --args set non-stop off target remote | vgdb run"

but I get that "duplicate attribute" error.

Or is there another way to look for ALL possible errors that can be happening in my program? Can GDB be enough to catch all the program errors, including memory leaks?

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2018-07-25 14:13:14 -0500 marked best answer ROS Consolor Color Print

Folks,

Is there a way to change the color of what I print with ROS_INFO(), etc.? I want to leave red and yellow for real errors and real warnings.