PK_TRANSF_create_equal_scale

PK_ERROR_code_t    PK_TRANSF_create_equal_scale
(
--- received arguments ---
double             scale,       --- scaling factor
PK_VECTOR_t        centre,      --- centre of scaling

--- returned arguments ---
PK_TRANSF_t *const transf       --- equal scaling transformation
)


This function creates an equal scaling transformation.


Specific Errors:
    PK_ERROR_sc_factor_le_0     'scale' is not greater than zero. (MILD)



A transf is created that, when applied to an entity, causes an equal scaling
along all axes, centred on the given position.