Changing Brightness, Color, or Transparency for Raster Images
Concept Procedure
 
 
 

To adjust brightness and contrast in a raster image

  1. In the Display Manager, right-click the layerEdit Style.
  2. In the Style Editor, under Raster Style, do one of the following:
    • To adjust brightness, enter a value between -50 and 50 in the Brightness box.
    • To adjust contrast, enter a value between -50 and 50 in the Contrast box.
  3. Click Apply.

To set transparency for a single color.

  1. In the Display Manager, right-click the layerEdit Style.
  2. In the Style Editor, under Raster Style, click Transparent.
  3. In the Transparency Color dialog box, click Select.
  4. Select a color on your map, then click OK.
  5. Click Apply.

    AutoCAD Map 3D displays all parts of the raster image that match the selected color with 100% transparency.

To display your image in color or grayscale

  1. In the Display Manager, right-click the layerEdit Style.
  2. In the Style Editor, under Raster Style, click the Style drop-down box.
  3. Select Color or Grayscale.
  4. If you select grayscale, adjust the range for grayscale mapping with the Cell Minimum and Cell Maximum values.
  5. Click Apply.