NVIZ Reference Manual


CONTENTS

Volume Panel

The Volume (voxels) panel controls how loaded volumes are drawn. The bottom half of the panel has drawing style options. The top half has options to add, delete, select, and change attributes of the current volume.



Volume Panel


OPTIONS

Visualization type: Isosurfaces
Sets the levels of values for drawing the volume(s) as isosurfaces.
Visualization type: Slices
Sets the levels of values for drawing the volume as cross-sections.
Shading
Sets the style of shading used for the volume.

Gouraud
Draws the volumes with a smooth shading to blend individual cell colors together.

Flat
Draws the volumes with flat shading with one color for every two cells. The volume appears faceted.

New
Loads a new volume or volume constant.

Delete
Deletes (unload) the current volume.

Isosurface Attribute
You can use this menu to control the attributes of the current volume. First one or more isosurfaces have to be added with Add.

threshold
Loads a new raster or constant value to use as threshold for the current volume isosurface.

color
Loads a raster or constant color to drape over the current volume. This option is useful for draping imagery such as aerial photography over a DEM.

mask
Loads a raster or constant that controls the areas displayed from the current volume.

transparency
Loads a raster or constant that controls the transparency of the current volume. The default is completely opaque.

shininess
Loads a raster or constant that controls the shininess (reflectivity) of the current volume.

emission
Loads a raster or constant that controls the light emitted from the current volume.

Position
Changes the x, y, and z position of the current volume.

Draw Current
Draws the current volume.

Close
Closes the Volume panel.