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Linking OpenCV library (ROS2, C++)

dashing

asked 2020-08-15 21:44:31 -0500

mirella melo
194 ●11 ●20 ●21

updated 2020-08-15 21:47:18 -0500

Hi!

I'd like to use the OpenCV library in a C++ project - ROS2 (building with colcon build).

I added in the CmakeList the following command:

find_package(OpenCV 3.4.0 REQUIRED)

And when I #include any OpenCV header in my main code, I have no errors, but when I call any function of it, I have linking errors. It may be missing something in the CmakeList, but I don't know exactly what...

I appreciate any help. Thanks!

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Are you linking the OpenCV library in the 'target_link_libraries' section?

Teo Cardoso ( 2020-08-15 21:59:42 -0500 )edit

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answered 2020-08-16 11:34:32 -0500

Harsh2308

80 ●15 ●22 ●24 https://www.linkedin.c...

updated 2020-08-16 11:35:02 -0500

Add OpenCV in ament target dependencies-

ament_target_dependencies(executable_name 
  rclcpp 
  OpenCV
..
..
..
other _packages
)

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Thank you, guys!! It is working. o/

mirella melo ( 2020-08-16 12:04:52 -0500 )edit

How did you know to add OpenCV? Are there docs on this?

psammut ( 2022-06-01 19:39:08 -0500 )edit

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Asked: 2020-08-15 21:44:31 -0500

Seen: 2,758 times

Last updated: Aug 16 '20

Linking OpenCV library (ROS2, C++) edit

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Linking OpenCV library (ROS2, C++)