HP 39gs User Manual

Page 244

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18-22

Programming

will superimpose G1 onto G0 starting a position (1,1),
where the position is given in terms of the current axes
settings, not as a pixel position.

GROBXOR

Using the logical XOR, superimposes graphicname2 onto
graphicname1. The upper left corner of graphicname2 is
placed at position.

GROBXOR
graphicname1

;(position) ;graphicname2:

MAKEGROB

Creates graphic with given width, height, and
hexadecimal data, and stores it in graphicname.

MAKEGROB graphicname;width;height;hexdata:

PLOT

Stores the Plot view display as a graphic in graphicname.

PLOT→ graphicname:

PLOT→ and DISPLAY→ can be used to transfer a copy
of the current PLOT view into the sketch view of the aplet
for later use and editing.

Example

1

PageNum:

PLOT→ Page:

→ DISPLAY Page:
FREEZE:

This program stores the current PLOT view to the first page
in the sketch view of the current aplet and then displays
the sketch as a graphic object until any key is pressed.

PLOT

Puts graph from graphicname into the Plot view display.

→PLOT graphicname:

REPLACE

Replaces portion of graphic in graphicname1 with
graphicname2

, starting at position. REPLACE also

works for lists and matrices.

REPLACE
graphicname1

;(position);graphicname2:

SUB

Extracts a portion of the named graphic (or list or matrix),
and stores it in a new variable, name. The portion is
specified by position and positions.

SUB name;graphicname;(position);(positions):

HP 39gs English.book Page 22 Wednesday, December 7, 2005 11:24 PM

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