syncCallback not receiving topic information with sensor_msgs::PointCloud2ConstPtr

[ahmetyuce526]

Branch

noetic-devel

Question

there is isue something with message filter , syncCallback does not receive data, when I remove the PointCloud2 from the the system syncCallback working, there is isue with pcl data , I try everything , I increas que size and I try differen sync policies nothing changing, I also want to say my PointCloud2 data came form RGBD camera not lidar , but message type same. when I create seperate calback everything working, is it possioble that related rgbd data resulation high that create problem I don't know. can you give some advice .
I also want to say to you thank you for doing this great package and share with community , you are doing awsome job.
I also ask you when using this package . lidar and camera should located closed or when we add with tf some 1.5 or 2 meter offest it is will be okey ? in code I see algorithm take account ros tf.

Additional

No response

[kosmastsk]

What is the incoming frame rate of each source?

[ahmetyuce526]

thanks I solved isue , frame rate is close for every frame , the isue with camera driver it is send rgb_raw with void header.stamp , I filled these stamp with ros::Time::now(); after that it workted. thanks for feedback.

[Sunkin-SCAU]

thanks I solved isue , frame rate is close for every frame , the isue with camera driver it is send rgb_raw with void header.stamp , I filled these stamp with ros::Time::now(); after that it workted. thanks for feedback.

can you show your code for more details? I have met this problem too

[ahmetyuce526]

it related camera driver in my case you have to make sure your every source have timestamp . and it must be ros time formatted I said that because some sensor driver do not publish with rostime compatible