CLEAR Mnemonic - Clear Viewport

Syntax

'CLEAR'(int)

Description

The 'CLEAR' mnemonic clears the plotting surface to the color defined with int. On a printing plotter, an argument of -1 gives an indication that the paper is to be removed. Some plotters will not start output until the 'CLEAR'(-1) sequence is sent or the device is closed with the CLOSE verb.

Parameter

Description

int

Color from the table below.

 

Color

Number

BLACK

0

BLUE

1

RED

2

MAGENTA

3

GREEN

4

CYAN

5

YELLOW

6

WHITE

7

DKGRAY

8

GRAY

9

LTGRAY

10

See Also

Mnemonics - Alphabetical Listing

Mnemonics - Group Listing