Autotek autocad raster design 2010 用户手册
16,777,216 colors
Color
24 bit
16,777,216 colors
Color
32 bit
color map An assignment of colors to data values for the purpose of displaying
the contents of a file in a meaningful way.
the contents of a file in a meaningful way.
Users work with two main types of color maps. A palette color map is used
with digital elevation models (DEM) to specify whether to display surface
elevations or slopes, and how to distribute the set of colors across the range
of data values.
with digital elevation models (DEM) to specify whether to display surface
elevations or slopes, and how to distribute the set of colors across the range
of data values.
A band assignment color map is used with multispectral data to select the
data bands to display and to assign each band to a color channel (red, blue,
or green).
data bands to display and to assign each band to a color channel (red, blue,
or green).
ProdNameShort automatically assigns a color map to image files that are
inherently displayable, such as aerial photos and bitonal images.
inherently displayable, such as aerial photos and bitonal images.
connected crossing polygon A selection method for enhanced bitonal region
objects. This method selects all raster entities that are within the polygon,
crossing the polygon, or connected to entities that cross the polygon boundary.
In the following example, note that the text in the upper right is not selected
because it is the only entity not connected to entities that cross the polygon
boundary.
objects. This method selects all raster entities that are within the polygon,
crossing the polygon, or connected to entities that cross the polygon boundary.
In the following example, note that the text in the upper right is not selected
because it is the only entity not connected to entities that cross the polygon
boundary.
Connected crossing polygon
connected crossing window A selection method for enhanced bitonal region
objects. This method selects all raster entities that are within the window,
crossing the window, or connected to entities that cross the window boundary.
In the following example, note that the text in the upper right is not selected
because it is the only entity not connected to entities that cross the window
boundary.
objects. This method selects all raster entities that are within the window,
crossing the window, or connected to entities that cross the window boundary.
In the following example, note that the text in the upper right is not selected
because it is the only entity not connected to entities that cross the window
boundary.
384 | Glossary