Commands which control plotting

CHANGE

- Change plotting attributes.

CLEAR

- Clear plotting attributes.

DLIM(ITS)

- Set the world coordinate limits using the data range.

EXPA(ND)

- Set the character height.

FILLSTY

- Change fill-style plotting attributes.

FONT

- Set the text font.

INQ(UIRE)

- Display PONGO status information.

LIM(ITS)

- Set the world coordinate limits.

LT(YPE)

- Set the line style.

LWE(IGHT)

- Set the line width.

MOVE

- Set the current pen position.

PALET(TE)

- Change the plotting pen colours.

PAPER

- Change the size and aspect ratio of the plotting surface.

PEN

- Set the current pen.

RESETP(ONGO)

- Reset the state of PONGO.

SETPROJ

- Set the projection geometry.

SHOWP(ONGO)

- Show the PONGO global parameters.

VIEWPORT

- Set the viewport for the current plotting device.

VPORT

- Set the viewport using normalised device coordinates.

VP_BH

- Set the viewport to the bottom half of the plotting surface.

VP_BL

- Set the viewport to the bottom-left quarter of the plotting surface.

VP_BR

- Set the viewport to the bottom-right quarter of the plotting surface.

VP_TH

- Set the viewport to the top half of the plotting surface.

VP_TL

- Set the viewport to the top-left quarter of the plotting surface.

VP_TR

- Set the viewport to the top-right quarter of the plotting surface.

VSIZE

- Set the viewport using its physical size in inches.

VSTAND

- Set the standard viewport.

WNAD

- Adjust the viewport so that the X and Y scales are the same.

WORLD

- Set the world coordinates for the plot.