[Benchmarking] Too much raster data?

[Frank Warmerdam]

Andrea Aime wrote:
> Jeff McKenna wrote:
>> Iván Sánchez Ortega wrote:
>>> On Sunday 25 July 2010 08:37:15 Andrea Aime wrote:
>>>> The original target size was 100GB of imagery, which would be reached
>>>> by taking a subset of 12 files instead (a 4x3 block)
>>>>
>>>> Soo... shall we select a subset of files?
>>>
>>> I'll go wild and say 14:
>>>
>>> 0362-0365
>>> 0391-0392
>>> 0419-0421
>>> 0447-0448b
>>>
>>> That covers a nice area around Barcelona, with lots of blank data.
>>
>> Sounds good to me.
>>
> 
> One question. For the baseline test are
> we going to crate a single giant geotiff or have people
> use a mosaic of those 14 files?
> 
> The mosaic of 14 files is going to be around 113.4GB,
> but if we create a single seamless file I believe the
> size will be equivalent to 16 files instead, since
> we have no compression, which is  129.6GB.
> 
> Frank, others, what do we do? Single giant file or
> mosaic?

Andrea,

It has just occurred to me that even if we do not create a seamless file,
the file will all need to be BigTIFF since they are larger than 4GB.
Is this going to be a problem for any participants?

My intent had been to create one geotiff file per ecw file.

Best regards,
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