Name

ptranslate − Creates a 2D homogeneous transformation matrix that performs a translation. 

 
Operating States: PHOP, ∗, ∗, ∗
PHIGS standard function

Syntax

void ptranslate (
  const Pvec   ∗trans_vector,   /∗ (I) Translation vector ∗/
  Pint         ∗error_ind,      /∗ (O) Error indicator ∗/
  Pmatrix       matrix          /∗ (O) Transformation matrix ∗/
)

Data Structures

typedef struct {
    Pfloat     delta_x;    /∗ delta x value ∗/
    Pfloat     delta_y;    /∗ delta y value ∗/
} Pvec;
 
typedef Pfloat Pmatrix[3][3];

Description

ptranslate creates a two-dimensional (3 x 3) homogeneous transformation matrix that performs the translation as defined by the specified translation vector.  The returned matrix can be passed to functions that require transformation matrices as input, such as the pset_local_tran, pset_global_tran, and pcompose_matrix functions.  To store a matrix in a structure element, you must pass it to the pset_local_tran or pset_global_tran function. 

See Also

pbuild_tran_matrix
pcompose_matrix
pcompose_tran_matrix
protate
pscale
pset_global_tran
pset_local_tran
pset_view_rep
ptran_point
ptranslate3