GPM

GDDM-GKS V1R1 Programming Guide and Reference

GPM

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

Purpose


GPM	(n, px, py)

APL code	1314
GKS RCP code	X'38000D00' (939527424)

Function: To polymarker.

Output function. Draws a sequence of markers at given positions.

Parameters

n (specified by user) (fullword integer)
The number of markers.

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

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

Operating states

WSAC, SGOP

Related functions

Set marker type (GSMK), Set marker size scale factor (GSMKSC), Set polymarker color index (GSPMCI), Set polymarker index (GSPMI), Set aspect source flags (GSASF)

Description

This function displays a marker at each of the points (px, py). The current values of the polymarker attributes, as given by the GKS state list, are bound to the polymarker primitive.

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

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