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Problem Creating Mesh

F

fredo

Messages
5
Country
mauritius
Hello everyone.

I'm new to creating mesh for FS2004. Here is my problem. I did obtain a srtm file from the net for Mauritius them did convert it in BIL format. Then using the resample tool and creating an inf file to create a bgl and it did work perfectly. But when viewed in TmfViewer it's only part of the Island that shows up, of course it is also the case in FS2004 and the part that shows up is at the correct place on the island which I'm happy but I want the whole mesh to show up.

Here are pictures for you to understand what I'm talking about.

Picture below is Mauritius mesh in the BIL Format.
Mauritius-in-Bil-format.jpg


Picture Below is the BGL compile with resample shown in TmfViewer as you can see only a small part of the mesh appears Why?
Mauritius-tmfviewer.jpg


below is what is in my inf file

[Destination]
LOD = auto
DestDir = "."
DestBaseFileName = "Mauritius_dem"
UseSourceDimensions = 1

[Source]
Type = ElevS16LSB
SourceDir = "."
SourceFile = "Mauritius.bil"
Lat = -19.4932776933335
Lon = 56.9582257633335
NumOfCellsPerLine = 1291
NumOfLines = 2450
CellXdimensionDeg = 0.00083333333333333
CellYdimensionDeg = 0.00083333333333333
ScaleinMeters = 1.0

Can someone help me on that please?

Frederic
 
Hi Frederic,

the issue is that resample.exe will only use cells of the LOD grid (in your case probably LOD9) that are completely filled with source data. See Steve Greenwood's comments on that and also his table of LOD grid spacing and coverage: http://home.earthlink.net/~smgreenwood/quality.shtml

The solution is to either extend your source file to cover more of the surrounding ocean, or to manually set the LOD = value to 10 or higher. This will oversample your mesh (larger file size without any visual benefits) but the denser grid spacing of the higher LODs will mean there's a better chance that all sections of Mauritius get included in the output.

Cheers, Holger
 
Hi Holger,

Thank you for the reply and trying to help me. Well I did try all you just told me before posting and still didn't work. So because I was starting to be desperate that I post here so that someone can help me. But I finally managed to get it working and find out that by using the resampler of FS2000 does the trick as I was using the resampler of Fs2004 and also tried with Fs2002 but same think and finally read somewhere that there is a bug with both Fs2004, Fs2002 resampler and that Fs2000 resampler must be used instead.:)
 
Last edited:
Hi,

Did you try to see the tile below the one you depicted?

Maybe the whole mesh was compiled, but it seems your island is greater the the tile showed up.

Regards,

José
 
Hi José

I don't understand what you talking about, but never mind as I said I managed to get it working with the Fs2000 resampler.:)
 
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