Hi William
I don’t have my biomapper files handy but I think the purpose of converting to float in ArcMap is just to facilitate the import into Idrisi. I don’t think Biomapper likes floating point format so you have to save or convert to integer within Idrisi. No point trying to get them into Biomapper until they read correctly in Idrisi anyway. When you do load maps into Biomapper right click and in properties check that the background value is being read correctly, set the background value and recompute if necessary. I remember that these were some of the things I had to get right before it would run correctly.
good luck
Rob Davies
From: Biomapper-List@yahoogroups.com [mailto:Biomapper-List@yahoogroups.com] On Behalf Of wj.hernandez
Sent: 15 November 2010 15:13
To: Biomapper-List@yahoogroups.com
Subject: Re: [BMp] EGV help
Hi All:
I have been watching the list and completing some processes that were addressed in the discussions, however I am still having trouble bringing the maps to Biomapper.
I followed the approach from Flor of exporting the maps using RASTER TO FLOAT tool in ArcMap without any problems.
I imported the files to IDRISI Andes using the procedure stated here from Flor. The bathymetry and some other files complete the process, but some files (slope, aspect) show up an error "unexpected error, please check the integrity of the operation performed, the files used, and the amount of disk space available"(which is not the issue). The files are created anyway, but when I try to bring the files to Biomapper 4.0 the files (all files) have no data, no max. or min. values.
I checked back the exported .rst file in IDRISI and the maps are empty, one raster with no values.
I have ArcEditor 10 with Spatial Analyst and also ENVI 4.7 that I have used to process the satellite images and the bathymetry maps (.xyz to raster) needed.
These files that I have selected are from a small study area to test the Biomapper, and the used in larger geographical area (following this list recommendations)
Let me know of any recommendations on any additional process and if there are any reconstructions of some Biomapper processes in an ArcGIS Model builder.(ie. Principal Components, etc.)
Thanks in advance.
William
William J Hernandez
Graduate Student
Bio-Optical Oceanography Laboratory
Department of Marine Sciences
University of Puerto Rico Mayaguez
william.hernandez@upr.edu
http://www.uprm.edu/bio-optics
--- In Biomapper-List@yahoogroups.com, "Rob Davies" <ragd@...> wrote:
>
> after a lot of coaxing and careful introduction step by step of the EGVs -
> only two at this stage - I finally got Biomapper to run with the big sample.
> It gave me the floating point error numerous times and I'm still not exactly
> sure why..
>
> I have a supposedly mean machine quad core desktop but it would not work on
> that. Possibly because windows xp restricted biomapper to just 25% of the
> CPU - on one of the processors. But my speedy little laptop came to the
> rescue - this runs windows vista which allowed the application to use 60% or
> more of the CPU and it processed the big files.
>
> very happy to see it can work on this scale. thanks again for your help..
>
>
>
> Rob Davies
>
>
>
>
>
> From: Biomapper-List@yahoogroups.com [mailto:Biomapper-List@yahoogroups.com]
> On Behalf Of elaine kuo
> Sent: 24 January 2010 01:13
> To: Biomapper-List@yahoogroups.com
> Subject: Re: [BMp] EGV help
>
>
>
>
>
> hello Rob,
>
>
>
> No, it is not induced by the big sample.
>
>
>
> Biomapper becomes mad when floating values are detected in EGV values.
>
> Try to find all of them and convert the floating values into integers before
> transforming into Idrisi format.
>
>
>
> Good luck
>
>
>
> Elaine
>
> On Sun, Jan 24, 2010 at 3:53 AM, Rob Davies <ragd@...> wrote:
>
>
>
> Hi All
>
>
>
> I've been watching the list for a while now and can at last have a go with
> Biomapper
>
> I have just done a newt project with it and it worked fine - fantastic
>
>
>
> I am now trying to do a bigger model with it for raptors that has 10028
> columns and 8761 rows
>
> getting a lot of hangs and errors like 'floating point division by zero',
> 'an error happened while attempting to read....'
>
> Is this just too big for Biomapper? I hope not
>
>
>
> I would be grateful for any advice from those who have tackled big or high
> resolution projects
>
>
>
> cheers
>
> Rob Davies
>
>
>
>
>
>
>
> From: Biomapper-List@yahoogroups.com [mailto:Biomapper-List@yahoogroups.com]
> On Behalf Of Florencia Sangermano
> Sent: 22 January 2010 14:22
> To: 'Biomapper-List@yahoogroups.com'
> Subject: RE: [BMp] EGV help
>
>
>
>
>
> Hi Jennifer,
>
>
>
> You can import the ASCII files directly in Idrisi. To do this go to: File-
> Import- Software specific formats- ESRI formats - ARCRASTER. The in the
> dialogue Select ASCII to idrisi.
>
>
>
> Good luck !
>
>
>
> Flor
>
>
>
> From: Biomapper-List@yahoogroups.com [mailto:Biomapper-List@yahoogroups.com]
> On Behalf Of jenitheshark
> Sent: Wednesday, January 13, 2010 10:29 AM
> To: Biomapper-List@yahoogroups.com
> Subject: [BMp] EGV help
>
>
>
>
>
> Hi,
> I was hoping someone may be able to help me in converting EGVs from the
> Student Edition of ArcGIS 9.3 to Idrisi format? I keep getting an error
> message about having ArcView & spatial analyst installed when I use the
> Biomapper converter. I have also tried Av2Grid, which appears as though it's
> working until I look in the folder where the new file was to be saved and
> there is no file. I'm wondering if this problem has something to do with my
> version of ArcMap being the student edition.
> I also have Idrisi Taiga (also student edition), but am not as adept at
> using it for my GIS needs as I am with ArcMap. Is Taiga the same or
> compatible with the required Idrisi 32 format? If someone could explain how
> to import an arcmap ASCII file to Idrisi that should help solve my problems.
>
> Please help Biomapperians!
> Thank you,
> Jennifer McKinney
> Graduate Research Assistant
> MEGSA Vice-President
>
> Gulf Coast Research Laboratory
> Whale Shark Sightings Survey: www.usm.edu/gcrl/whaleshark
> www.facebook.com/whalesharkresearch
>
> 703 East Beach
> Ocean Springs, MS 39564
> Office: 228-872-4257
> Cell: 562-458-0505
>
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