GGDP

GDDM-GKS V1R1 Programming Guide and Reference

GGDP

GDDM-GKS V1R1 Programming Guide and Reference
SC33-0334-00

Purpose


GGDP	(n, px, py, primid, ldr, datrec)

APL code	1493
GKS RCP code	X'38001100' (939528448)

Function: To generalized drawing primitive.

Output function. Generates geometric output that is both implementation-dependent and workstation-dependent. (See the section "GDDM-GKS restrictions" below.)

Parameters

n (specified by user) (fullword integer)
The number of points present in the pxa and pya vectors.

px (specified by user) (array of short floating-point numbers)

py (specified by user) (array of short floating-point numbers)
The coordinates of the points in world coordinates.

primid (specified by user) (fullword integer)
The generalized drawing primitive identifier.

ldr (specified by user) (fullword integer)
The length of the data record datrec.

datrec (specified by user) (array of 80-byte character tokens)
The data record.

Operating states

WSAC, SGOP

Related functions

Inquire generalized drawing primitive (GQGDP)

Description

This function generates a set of special geometric output primitives called generalized drawing primitives (GDPs), which supplement and extend the standard polyline, polymarker, text, fill area, and cell array output primitives of GKS.

GDDM-GKS Restrictions No GDPs are provided by GDDM-GKS. If this function is invoked, GDDM-GKS reports error 104.

Principal errors

5: GKS not in proper state: GKS shall be either in the state WSAC or in the state SGOP
100: Number of points is invalid
102: Generalized drawing primitive identifier is invalid
103: Content of generalized drawing primitive data record is invalid
104: At least one active workstation is not able to generate the specified generalized drawing primitive
105: At least one active workstation is not able to generate the specified generalized drawing primitive under the current transformations and clipping rectangle

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