| Normalized
Difference (B-A) / (B+A) * Scale. Use TM4 for A, TM3 for B. |
 |
Download
normdiff.gsf |
|
Normalized Difference on Thematic Mapper (TM) images.
Red-Green-Blue components computed from Normalized Difference ratios of
TM1, TM3, TM3, TM5 and TM7 bands |
 |
Download
ndtmrgb.gsf |
|
Normalized Difference on TM images with Brovey resolution
enhancement from SPOT. |
 |
Download
ndratbrv.gsf |
|
Adjusted Normalized Difference: ((IR - RED) / (IR + RED)) * 128)
+128 |
 |
Download
nd1.gsf |
|
Modified Normalized Difference: Scale * (B-b) * 254 / (B+A-a-b) +1 |
 |
Download
modifnd.gsf |
|
Kauth's Brightness Index
computed on MSS bands 4, 5, 6, and 7. |
 |
Download
kauthms1.gsf |
|
Kauth's Greenness Index
computed on MSS bands 4, 5, 6, and 7. |
 |
Download
kauthms2.gsf |
|
Leaf Area Index: computed
on MSS Green, Red, and IR bands |
 |
Download
lai.gsf |
|
Brovey Transform: enhance low-resolution RGB image with high
resolution grayscale image. |
 |
Download
brovey1.gsf |
|
Brovey Transform: enhance low-resolution RGB image with high
resolution grayscale image. Modified to limit out-of-bounds sparkle
cells. |
 |
Download
brovey2.gsf |
|
Brovey Ratios: compute RGB components from TM band ratios and then
apply Brovey transform |
 |
Download
rgbrtbrv.gsf |
|
Raster Algebra: C = A / B
* Scale. |
 |
Download
divide.gsf |
|
Raster Algebra: C = A * B
* Scale. |
 |
Download
multiply.gsf |
|
Raster Algebra: C = A - B. |
 |
Download
subtract.gsf |
|
Invert 8-bit grayscale
raster for "photo negative" effect. |
 |
Download
invert.gsf |
|
Logical Range: Highlight
cells in selected value range of grayscale raster |
 |
Download
range.gsf |
|
Scale and Offset: Mulitply
cell values by some scale and add an offset value |
 |
Download
scaleoff.gsf |
|
Replace All: Replace cells
in a selected range with a new value |
 |
Download
replace.gsf |
|
Threshold: Threshold a
grayscale image above and below selected value |
 |
Download
threshld.gsf |
|
Transparent Range: Show
background raster where foreground raster values are within specified
range |
 |
Download
transp.gsf |
|
Color Extraction:
Highlight selected colors |
 |
Download
colorext.gsf |
|
Saturation Stretch: RGB to
HIS conversion for saturation stretch. |
 |
Download
stretch1.gsf |
|
Oat Yield: Grayscale display generated from YIELD.OATS value in
vector polygon attribute tables |
 |
Download
oatyield.gsf |
|
Oat Yield: Another grayscale display of YIELD.OATS polygon values |
 |
Download
soiloats.gsf |
|
Oat Yield: Pseudo color display generated from YIELD.OATS |
 |
Download
oatyiel2.gsf |
|
Vector / Raster Combo:
Combine Raster and Vector values; sample from Getting Started tutorial. |
 |
Download
page14.gsf |
|
Vector / Raster Combo:
Vector polygon values > 0; elsewhere a background raster image.. |
 |
Download
vectpoly.gsf |
|
Vector / Raster Combo:
Another color combination of vector and raster values. |
 |
Download
vr3.gsf |
|
Vector / Raster Combo:
Another color combination of vector and raster values. |
 |
Download
yield431.gsf |
|
Normalize RGB: Apply auto-normalized contrast to three RGB input
rasters |
 |
Download
rgbnorm.gsf |
|
Tasseled Cap- Brightness: Brightness for TM bands |
 |
Download
tcapbrt.gsf |
|
Tasseled Cap- Greenness: Greenness for TM bands |
 |
Download
tcapgrn.gsf |
|
Tasseled Cap- Wetness: Wetness for TM bands |
 |
Download
tcapwet.gst |
|
TVI Color: Pseudo-color version of Transformed Vegetation Index |
 |
Download
tvi.gsf |
|
TVI Color 2: Another pseudo-color variation of Transformed
Vegetation Index |
 |
Download
tvicolor.gsf |
|
USLE: Universal Soil Loss
Equation sample from Getting Started tutorial |
 |
Download
usle.gsf |