| Tool Name | Vegetation Index (Slope Based) |
| Tool ID | 1 |
| Library ID | imagery_tools |
| Version | 1.0 |
| Author(s) | V.Olaya (c) 2004, O.Conrad (c) 2011 |
Huete, A.R. (1988): A soil-adjusted vegetation index (SAVI). Remote Sensing of Environment, vol. 25, issue 3, pp. 259-309. https://doi.org/10.1016/0034-4257(88)90106-X
McCloy, K.R. (2006): Resource Management Information Systems: Remote Sensing, GIS and Modelling. 2nd Edition, CRC Taylor & Francis, 575pp.
Mroz, M., Sobieraj, A. (2004): Comparison of Several Vegetation Indices Calculated on the Basis of a Seasonal Spot XS Time Series, and their Suitability for Land Cover and Agricultural Crop Identification. Technical Sciences, No. 7, 39-66. http://www.uwm.edu.pl/wnt/technicalsc/ts7_2004/4_7_2004.pdf
Silleos, N.G., Alexandridis, T.K., Gitas, I.Z., Perakis, K. (2006): Vegetation Indices: Advances Made in Biomass Estimation and Vegetation Monitoring in the Last 30 Years. Geocarto International, 21:4, 21-28. http://dx.doi.org/10.1080/10106040608542399
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Red Reflectance | grid, input | RED | ||
| Near Infrared Reflectance | grid, input | NIR | ||
| Output | ||||
| Difference Vegetation Index | grid, output, optional | DVI | ||
| Normalized Difference Vegetation Index | grid, output, optional | NDVI | ||
| Ratio Vegetation Index | grid, output, optional | RVI | ||
| Normalized Ratio Vegetation Index | grid, output, optional | NRVI | ||
| Transformed Vegetation Index | grid, output, optional | TVI | ||
| Corrected Transformed Vegetation Index | grid, output, optional | CTVI | ||
| Thiam's Transformed Vegetation Index | grid, output, optional | TTVI | ||
| Soil Adjusted Vegetation Index | grid, output, optional | SAVI | ||
| Options | ||||
| Soil Adjustment Factor | floating point number | SOIL | For SAVI, suggested values (after Silleos et al. 2006): 1.0 = very low, 0.5 = intermediate, 0.25 = high density vegetation. | Minimum: 0.000000 Maximum: 1.000000 Default: 0.500000 |