SVF – sky view factor
1) Calculation of Sky View Factors from digital images
| Output | File generated | svf_res.txt | ||
| SVF 1-SVF WHITE BLACK %WHITE nring ny ichoice FOV Input File | ||||
| Input | File with list of files | file_in.svf | ||
| contents | list of filenames with images to be analysed | |||
| quote marks should be around each filename | ||||
| Format of files analyzed | pgm format | |||
| This can be generated using IfranView | ||||
| The image should only have two colors (black and white) | ||||
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| Reference | Grimmond C.S.B., S.K. Potter, H.N. Zutter and C. Souch 2001: Rapid methods to estimate sky view factors applied to urban areas. International Journal of Climatology, 21, 903-913 |
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2) SVF Calculated from Digital Elevation Model (DEM)
Lindberg F & CSB Grimmond 2010: Continuous sky view factor from high resolution urban digital elevation models,Climate Research, 42: 177-183 doi:10.3354/cr00882
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