Hi Gary, I use a generic SbuilderX inf file and make the corrections needed. I add everything manually. The file does generate fine, with daytime texture, correct masks...just no night LM.
Here's the INF:
[Source]
Type = MultiSource
NumberOfSources = 4
[Source1]
Type = BMP
Layer = Imagery
SourceDir = "."
SourceFile = "L17X82486X82546Y117362Y117415.BMP"
Variation = All
Channel_BlendMask = 3.0
Channel_LandWaterMask = 4.0
NullValue = 255,255,255
SamplingMethod = Gaussian
ulyMap = 18.4978428055556
ulxMap = -66.7227172777778
xDim = 5.36441790471216E-06
yDim = 5.08831259645058E-06
[Source2]
Type = BMP
Layer = Imagery
SourceDir = "."
SourceFile = "L17X82486X82546Y117362Y117415_LM.BMP"
Variation = Night
Channel_BlendMask = 3.0
Channel_LandWaterMask = 4.0
NullValue = 255,255,255
SamplingMethod = Gaussian
ulyMap = 18.4978428055556
ulxMap = -66.7227172777778
xDim = 5.36441790471216E-06
yDim = 5.08831259645058E-06
[Source3]
Type = TIFF
Layer = None
SourceDir = "."
SourceFile = "L17X82486X82546Y117362Y117415_B.TIF"
SamplingMethod = Gaussian
ulyMap = 18.4978428055556
ulxMap = -66.7227172777778
xDim = 5.36441790471216E-06
yDim = 5.08831259645058E-06
[Source4]
Type = TIFF
Layer = None
SourceDir = "."
SourceFile = "L17X82486X82546Y117362Y117415_W.TIF"
SamplingMethod = Gaussian
ulyMap = 18.4978428055556
ulxMap = -66.7227172777778
xDim = 5.36441790471216E-06
yDim = 5.08831259645058E-06
[Destination]
DestDir = "."
DestBaseFileName = "ABOX_GND1"
DestFileType = BGL
LOD = Auto
UseSourceDimensions = 1
CompressionQuality = 85
here's the Light Map: