[Therion] How to see a bitmap on a surface grid

[Footleg]

OK, it looks like this is a graphics driver issue on my laptop. When I
view the same lox model file on a Windows XP virtual machine it
renders OK. But on my Windows Vista Dell Latitude laptop the bitmap
overlay is not shown.

Footleg

2009/9/9 Wolfgang Zillig <wolfgang.zillig at web.de>:
> Footleg schrieb:
>>
>> I am trying to create a surface model with a bitmap overlaid on it.
>>
>> Using a 600 x 600 pixel bitmap file, I have done the following based
>> on an example found in the mailing list archive:
>>
>> survey Surface -title "Test Surface Image"
>>
>> surface
>>   bitmap bitmap.jpg [0 0 45000 32000 600 600 46000 33000]
>>
>>   grid-units meter
>>   grid 45000 32000 100 100 10 10
>>   grid-flip none #(none)/vertical/horizontal
>>  730 730 725 700 715 710  715  700  660  640
>>  740 740 710 710 760 760  720  675  660  630
>>  760 750 720 720 765 700  685  670  695  670
>>  740 750 730 750 735 700  690  695  730  720
>>  735 750 755 780 775 720  740  730  760  740
>>  760 760 760 760 740 735  765  760  750  710
>>  780 775 770 755 740 730  780  775  755  745
>>  800 790 770 785 775 755  755  780  775  765
>>  800 795 785 825 800 760  755  780  800  780
>>  815 805 800 840 805 775  765  780  810  800
>>
>> endsurface
>>
>> endsurvey Surface
>>
>> I get a surface model, but in the Loch viewer I only see a grey surface.
>> If I comment out the bitmap line then I get the same model, but the
>> file size of the lox file is much smaller. So my bitmap must be being
>> included, but it is not visible. What am I missing?
>>
>> Footleg
>> _______________________________________________
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>> Therion at speleo.sk
>> http://mailman.speleo.sk/mailman/listinfo/therion
>>
>
> Hello Footleg,
>
> I've tested your test case and it works on my laptop. Which version of
> therion and which platform are you using?
>
> Are there any hints in the logfile?
>
> My test files are attached.
> Wolfgang
>