Drawing on the graph screen – Texas Instruments TITANIUM TI-89 User Manual

Page 629

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Programming

629

Note:

For information about graph pictures and databases, also refer to Additional

Graphing Topics.

Drawing on the Graph Screen

Drawing on the Graph Screen

Drawing on the Graph Screen

Drawing on the Graph Screen

To create a drawing object on the Graph screen, use the commands listed in this section.

Pixel vs. Point Coordinates

Pixel vs. Point Coordinates

Pixel vs. Point Coordinates

Pixel vs. Point Coordinates

When drawing an object, you can use either of two coordinate systems to specify a
location on the screen.

CyclePic

Animates a series of stored graph pictures.

NewPic

Creates a graph picture variable based on a matrix.

RclGDB

Restores all settings stored in a graph database.

RclPic

Displays the Graph screen and superimposes a stored
graph picture by using OR logic.

RplcPic

Clears the Graph screen and displays a stored graph
picture.

StoGDB

Stores the current graph settings to a graph database
variable.

StoPic

Copies the Graph screen (or a specified rectangular
portion) to a graph picture variable.

XorPic

Displays the Graph screen and superimposes a stored
graph picture by using XOR logic.

Command

Description

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