| Tool Name | Topographic Correction |
| Tool ID | 19 |
| Library ID | imagery_tools |
| Version | 1.0 |
| Author(s) | O.Conrad (c) 2008 |
Civco, D. L. (1989): Topographic Normalization of Landsat Thematic Mapper Digital Imagery. Photogrammetric Engineering and Remote Sensing, 55(9), pp.1303-1309.
Law, K.H., Nichol, J. (2004): Topographic Correction for Differential Illumination Effects on Ikonos Satellite Imagery. ISPRS 2004 International Society for Photogrammetry and Remote Sensing. http://www.cartesia.org/geodoc/isprs2004/comm3/papers/347.pdf
Phua, M.-H., Saito, H. (2003): Estimation of biomass of a mountainous tropical forest using Landsat TM data. Canadian Journal of Remote Sensing, 29(4), pp.429-440.
Riano, D., Chuvieco, E. Salas, J., Aguado, I. (2003): Assessment of Different Topographic Corrections in Landsat-TM Data for Mapping Vegetation Types. IEEE Transactions on Geoscience and Remote Sensing, 41(5), pp.1056-1061. http://www.geogra.uah.es/~emilio/pdf/Riano2003b.pdf
Teillet, P.M., Guindon, B., Goodenough, D.G. (1982): On the slope-aspect correction of multispectral scanner data. Canadian Journal of Remote Sensing, 8(2), pp.1537-1540.
| Name | Type | Identifier | Description | Constraints |
|---|---|---|---|---|
| Input | ||||
| Elevation | grid, input | DEM | ||
| Bands | grid list, input | BANDS | ||
| Output | ||||
| Corrected Bands | grid list, output | CORRECTED | ||
| Options | ||||
| Azimuth | floating point number | AZIMUTH | direction of sun (degree, clockwise from North) | Minimum: 0.000000 Maximum: 360.000000 Default: 180.000000 |
| Height | floating point number | HEIGHT | height of sun above horizon (degree) | Minimum: 0.000000 Maximum: 90.000000 Default: 45.000000 |
| Method | choice | METHOD | Available Choices: [0] Cosine Correction (Teillet et al. 1982) [1] Cosine Correction (Civco 1989) [2] Minnaert Correction [3] Minnaert Correction with Slope (Riano et al. 2003) [4] Minnaert Correction with Slope (Law & Nichol 2004) [5] C Correction [6] Normalization (after Civco, modified by Law & Nichol) Default: 2 | |
| Minnaert Correction | floating point number | MINNAERT | Minimum: 0.000000 Maximum: 1.000000 Default: 0.500000 | |
| Maximum Number of Cells | integer number | MAXCELLS | Maximum number of grid cells used for trend analysis as required by C correction. | Minimum: 1000 Default: 100000 |
| Limit Value Range | boolean | LIMIT | Avoid over and undershootings specifying value range limits. | Default: 0 |
| Minimum | floating point number | LIMIT_MIN | Default: 1.000000 | |
| Maximum | floating point number | LIMIT_MAX | Default: 255.000000 | |