Decals PropertyManager
The Decal PropertyManager controls
the properties of a decal on these tabs:
Image.
Decal image and mask files (see below).
Mapping.
Geometry, Mapping, Size/Orientation, Rendering.
Illumination.
Decal's response to illumination.
Decal Preview
The decal is displayed in the window.
Image file path 
. The image file path is displayed. Click Browse
to choose another path and file.
Save Decal. Click to save the
current decal and its properties to file.
Mask Image
Choose one for the type of mask image:
No mask.
Image mask file.
The decal is displayed where the mask is white and blocked where the mask
is black. 
Selective color
mask. The decal is the selected decal minus colors that you choose
to exclude.
Use decal image
alpha channel. Uses a composite image that contains the decal and
a mask. To create the image, click Save
Layered Image in the PhotoView Render Frame dialog box and
then create a composite image in an external graphics program. Supported
file types are .tif
and .png.
To create a selective color mask:
Click Pick Color
.
With the pointer 
, select a color
in the Decal Preview.
Items of the selected color are removed from
the Decal Preview and the color
appears in Selected Colors.
To restore the color to the decal, choose
the color in Selected Colors and
click Remove Color.
Invert mask. The regions of
the decal previously masked are displayed, and vice versa.
Mask file path 
. The mask file path is displayed. Click Browse
to choose another path and file.