Re: [R] Reading a TIFF file

2011-04-22 Thread Julio Rojas
Dear Uwe, find attached an small portion of the file I'm working with. ArcGIS values for this file are in the CSV file. They are a vector of all rows put together. Thanks and regards. --- El vie, 4/22/11, Uwe Ligges escribió: > De: Uwe Ligges > Asunto: Re: [R] Reading a TI

Re: [R] Reading a TIFF file

2011-04-22 Thread Uwe Ligges
as maximum levels from this one, will it work? As long as it is in [0, 255], yes, see the code. Best, Uwe Regards. Julio --- El vie, 4/22/11, Uwe Ligges escribió: De: Uwe Ligges Asunto: Re: [R] Reading a TIFF file A: "Julio Rojas" Cc: r-help@r-project.org Fecha: viernes, 22 de

Re: [R] Reading a TIFF file

2011-04-22 Thread Julio Rojas
> De: Uwe Ligges > Asunto: Re: [R] Reading a TIFF file > A: "Julio Rojas" > Cc: r-help@r-project.org > Fecha: viernes, 22 de abril de 2011, 03:54 pm > Fine, looking at the code shows that > readTiff read the image with using libtiff which should be > fine. A

Re: [R] Reading a TIFF file

2011-04-22 Thread Uwe Ligges
ear Uwe, find attached an small portion of the file I'm working with. ArcGIS values for this file are in the CSV file. They are a vector of all rows put together. Thanks and regards. --- El vie, 4/22/11, Uwe Ligges escribió: De: Uwe Ligges Asunto: Re: [R] Reading a TIFF file A: "Julio Ro

Re: [R] Reading a TIFF file

2011-04-22 Thread Uwe Ligges
Unless you can provide a small reproducible example (say a very small tiff including the values you got from the non-R software) it will be hard to tell what is going on. Uwe Ligges On 22.04.2011 11:23, Julio Rojas wrote: Dear all, I have been trying to speed up a process we have been done i

[R] Reading a TIFF file

2011-04-22 Thread Julio Rojas
Dear all, I have been trying to speed up a process we have been done in ArcGIS. We have to read a single layer TIFF (monochrome image) in . For this, I have used the "rtiff" package. After reading the TIFF file, I compared the raw values for each pixel that I have in ArcGIS to the ones obtained