WebJul 26, 2024 · You can see that the message is std_msgs::msg::Float32 and this message does not have a header (has only float32 data). It is always good to know the message types. You can also try to extract the msg type in your code as shown in this question pavel92 ( Jul 28 '19 ) Can it be done programmatically? Webmypackage__msg__MyComplexType mymsg; // Init the multiheaders sequence mymsg. multiheaders. capacity = 10; mymsg. multiheaders. data = (std_msgs__msg__Header *) …
ROS std_msgs/Header 数据含义 - CSDN博客
WebDec 3, 2015 · 1 Answer Sorted by: 1 According to the documentation there are two variants of toCvShare from which one needs A shared_ptr to an object owning the sensor_msgs::Image and the other A shared_ptr to a sensor_msgs::Image message You are providing neither one nor the other. Webstd_msgs/Header Documentation /Header Message File: std_msgs/Header.msg Raw Message Definition # Standard metadata for higher-level stamped data types. # This is generally used to communicate timestamped data # in a particular coordinate frame. # # sequence ID: consecutively increasing ID uint32 seq #Two-integer timestamp that is … drive brother mc-j485dw
sensor_msgs/Image Documentation - Robot Operating System
WebSep 15, 2024 · That string can be parsed as a YAML object and then converted back to a std_msgs/Header message that will be equivalent to the original one! Note that you could do the first part using std_msgs::msg::to_yaml(const Header & msg). However, that doesn’t use type support introspection, and again it only does the conversion to YAML and not the ... WebRaw Message Definition. # This represents an estimate of a position and velocity in free space. # The pose in this message should be specified in the coordinate frame given by header.frame_id. # The twist in this message should be specified in the coordinate frame given by the child_frame_id. # Includes the frame id of the pose parent. Web# A Pose with reference coordinate frame and timestamp Header header Pose pose. Compact Message Definition. std_msgs/Header header geometry_msgs/Pose pose. autogenerated on Wed, 14 Jun 2024 04:10:19 ... drive brother 8085