how to change color of name of frame in rviz as shown in figures?

asked 2019-05-28 00:48:36 -0500

73 ●48 ●60 ●68

updated 2020-07-15 20:00:27 -0500

I need to change the color of names of frames from white to black, see figure 1, the background and name are white color while in figure 2 the background color is black and the name is white in rviz.

I need to alter between them

$C:\fakepath\2.png$

and

$C:\fakepath\1.png$

updated After @Orhan helped me, it works fine

you can see them with black color.

image description

please help me

thank you in advance

answered 2019-05-28 10:22:52 -0500

Orhan

856 ●20 ●45 ●46 https://www.google.com...

updated 2019-05-28 10:23:21 -0500

You may need to download the code and change this line, then build your own RViz: https://github.com/ros-visualization/rviz/blob/melodic-devel/src/rviz/default_plugin/tf_display.cpp#L570

frame->axes_->setToDefaultColors();
frame->name_text_->setColor(Ogre::ColourValue::White); // <--
frame->parent_arrow_->setHeadColor(ARROW_HEAD_COLOR);
frame->parent_arrow_->setShaftColor(ARROW_SHAFT_COLOR);

Line number can be different based on your ROS distro. You'll be needing the version of source code that was used to supply your distro's binaries.

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Thank you, I will try to download it

Redhwan ( 2019-05-28 19:42:35 -0500 )edit

I downloaded it for kinetic from here and put it on my /catkin_ws/src/ and used catkin_make, it built successfully....>[100%] Built target rviz_default_plugin but I don't know how to launch it. @Orhan, please help me. I used "rosrun rviz rviz" but it is the same befor.

Redhwan ( 2020-07-15 03:21:07 -0500 )edit

Try entering roscd rviz command. If it brings you to /opt/ros/kinetic/share/rviz, then something is wrong with your terminal environment. Try re-sourcing your workspace after deleting build, devel, install folders and building back. e.g. source ~/catkin_ws/devel/setup.bash

Orhan ( 2020-07-15 13:41:28 -0500 )edit

I changed this line from

frame->name_text_->setColor(Ogre::ColourValue::White); to frame->name_text_->setColor(Ogre::ColourValue::Black); then used source ~/catkin_ws/devel/setup.bash

It works fine, thank you so much for your help @Orhan .

Note: all this modification is in the workstation part, not is in the robot part.

Redhwan ( 2020-07-15 19:56:05 -0500 )edit

@Orhan what about color of arrows which joint two frames, you can see it yellow color, right?.

Can I change it to another color for example black or red?

Redhwan ( 2020-07-15 20:41:56 -0500 )edit

I didn't check the source code or the rviz gui for that. But if you believe in yourself, you can find it in the source code in case there's no option in rviz.

Orhan ( 2020-07-15 21:21:27 -0500 )edit

@Orhan thanks

Redhwan ( 2020-07-15 21:27:14 -0500 )edit

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how to change color of name of frame in rviz as shown in figures?

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