GRASS Tutorial for nviz

# NVIZ Reference Manual

CONTENTS

## Label Panel

The Label panel lets you place labels and/or legends in the NVIZ viewer.

### OPTIONS

On the Label panel, the first (top) menu has options for setting the font attributes for both the labels and the legend.

Font Size
  Sets the Font size in points.
Color
  Sets the text color.
Font
  Select from one of three font styles.
  Times-Roman
    Sets the font style to Times Roman.
  Helvetica
    Sets the font style to Helvetica.
  Courier
    Sets the font style to Courier.
Font Weight
  Bold
    Sets the font weight to bold.
  Italics
    Sets the font weight to italics.

Use the next menu in the Label panel to place labels in the NVIZ viewer.

Place Label
  Places the text from Label Text in the NVIZ viewer using the current font attributes. You click in the NVIZ viewer to place the label.
Undo
  Removes the previously defined label from the display list. The label disappears when the NVIZ viewer scene redraws.
Undo All
  Removes all labels from the display list.
Label Text
  Enter the text string for the label.

Use the next menu in the Label panel to place a surface (raster) legend in the NVIZ viewer.

Place Legend
  Places the legend for the current surface (see Surface Panel) in the NVIZ viewer using the current font attributes. To define the legend size, you click in the NVIZ viewer at the first corner of the legend and right click at the adjacent corner. If the defined box is wider than it is high a horizontal legend is drawn.
On
  Activates the automatic redrawing of the legend. If turned off, the legend is not redrawn.
Invert
  Draws the legend inverted (if selected).
Category Values
  Uses the surface category values as legend labels (if selected).
Category Labels
  Uses the surface category labels as legend labels (if selected).
Use Range
  Uses the defined minimum and maximum when drawing the legend (if selected).
  Low
    Sets the minimum value of the legend.
  Hi
    Sets the maximum value of the legend.
Discrete Categories
  Draws the legend with discrete color breaks.
Use List
  This option is not yet implemented.

Use the next menu in the Label panel to draw sites file labels in the NVIZ viewer. This menu is not yet implemented.

Label Sites
  This option is not yet implemented.
In Box
  This option is not yet implemented.
Values
  This option is not yet implemented.
Labels
  This option is not yet implemented.