To Change the Brightness, Color, or Transparency of Raster Images

You can use the Style Editor to modify the appearance of raster images brought in to your map using Data Connect.

To adjust brightness and contrast in a raster image

1. In the Display Manager , right-click the layer Edit 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 layer Edit 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 layer Edit 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.