pinq_refl_facs(3g) — Subroutines

Name

pinq_refl_facs − Returns information about reflectance characteristics.

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

Syntax

void pinq_refl_facs (
Pint           wstype,           /∗ (I) Workstation type ∗/
Pstore         store,            /∗ (I) Handle to store the object.
                                          store manages the
                                          memory referenced by ∗models
                                          and ∗refl_props. ∗/
Pint          ∗error_ind,        /∗ (O) Error indicator ∗/
Pint_list    ∗∗models,           /∗ (O) List of available reflectance
                                          characteristics ∗/
Pint_list    ∗∗refl_props,       /∗ (O) List of available reflectance
                                          properties ∗/
Pint          ∗refl_indices      /∗ (O) Total number of predefined
                                          reflectance indexes in the
                                          Digital PHIGS list ∗/
)

Data Structures

typedef void ∗Pstore;
typedef struct {
Pint num_ints; /∗ number of Pints in the list ∗/
Pint ∗ints; /∗ list of integers ∗/
} Pint_list;

Constants

Data Structure            Constant                     Description
Constants
---------------------------------------------------------------------------
Reflectance models        PREFL_MODEL_NO_REFL          Digital PHIGS pro-
                                                       duces no reflec-
                                                       tance calculation.
                          PREFL_MODEL_AMB_REFL         Digital PHIGS pro-
                                                       duces ambient re-
                                                       flectance effects.
                          PREFL_MODEL_AMB_DIFF_REFL    Digital PHIGS pro-
                                                       duce ambient and
                                                       diffuse reflectance
                                                       effects.
                          PREFL_MODEL_AMB_DIFF_SPEC_   Digital PHIGS pro-
                          REFL                         duces ambient, dif-
                                                       fuse, and specular
                                                       reflectance effects.
Reflectance property      PREFL_PROPS_SIMPLE_REFL      Simple reflectance.
type
---------------------------------------------------------------------------

Description

pinq_refl_facs queries the workstation description table and returns values for the following:

•List of available reflectance characteristics

•Number of elements returned

•Number of predefined reflectance indexes

Digital PHIGS Version 4.1 does not support this function.