amino
Lightweight Robot Utility Library
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Memory layout for a transformation matrix. More...
#include <tf.h>
Public Attributes | |
union { | |
struct { | |
double R [9] | |
the rotation matrix part | |
aa_tf_vec3_t v | |
the origin vector part | |
} | |
double data [12] | |
data array | |
}; | |
Memory layout for a transformation matrix.
It is a column-major matrix, but the bottom row is omitted because this row is the same for all SE(3) transformation matrices.
The first 9 elements are a column major rotation matrix. The last 3 elements are the origin vector.