Hello again, I just solved this. The problem seems to be that -I don't know why- netconvert does not accept 32-bit colored tiff files, it has to be 16-bit.
Regards, Alejandro. El mar, 16 mar 2021 a las 9:54, Alejandro Rodríguez Sánchez (< [email protected]>) escribió: > Hello, > I'm running a series of simulations for different urban areas. When I do > it for a small area that requires only 1 DEM file from de NASA ASTER > collection, it works perfectly. > However, when my area is bigger than the ASTER DEM file, I have to merge > those files, but when doing that, SUMO doesn't read the .tif file > correctly. In fact I have the following error message: > > Error: Unknown data type in Madrid_elevation.tif > > where Madrid_elevation.tif has been created with the merge tool of the > raster package in R from 9 DEM files. This is the full R code: > library(raster) > h1=raster("ASTGTMV003_N39W003_dem.tif") > h2=raster("ASTGTMV003_N39W004_dem.tif") > h3=raster("ASTGTMV003_N39W005_dem.tif") > h4=raster("ASTGTMV003_N40W003_dem.tif") > h5=raster("ASTGTMV003_N40W004_dem.tif") > h6=raster("ASTGTMV003_N40W005_dem.tif") > h7=raster("ASTGTMV003_N41W003_dem.tif") > h8=raster("ASTGTMV003_N41W004_dem.tif") > h9=raster("ASTGTMV003_N41W005_dem.tif") > > mmerge = merge(h1, h2, h3, h4, h5, h6, h7, h8, h9) > tmp <- "D:/ALEJANDRO-TESIS/3_sumo/Topografia/Para_unir/Madrid/" > plot(mmerge) > rf <- writeRaster(mmerge, filename=file.path(tmp, "Madrid_elevation.tif"), > format="GTiff", overwrite=TRUE) > > > The only difference between the original DEM files and the merged one is > that originals are 16bit and the merged one are 32bit colors. And there is > no problem reading the merged file with any GIS software or image visor. > > Any clue of what it is wrong? > > Best regards, > Alejandro > > -- > Alejandro Rodríguez Sánchez > PhD student > CIEMAT // Universidad Complutense de Madrid > 28040 Madrid > email: [email protected] > Website: https://alexrsanchez.github.io/en/ > -- Alejandro Rodríguez Sánchez PhD student CIEMAT // Universidad Complutense de Madrid 28040 Madrid email: [email protected] Website: https://alexrsanchez.github.io/en/
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