[Qgis-user] Raster translate to .asc format

[Raymond Nijssen]

Hi Les,

You can add a "create option" for your conversion:

name: DECIMAL_PRECISION
value: 3

to round the values in your output.

QGIS uses the GDAL software for the conversions, and those options can 
be found in the GDAL documentations:

https://gdal.org/drivers/raster/aaigrid.html



There's a "batch" option in the raster conversion dialog, which I have 
never used (cause I would write a script) but I hope you figure out how 
it works. :)

Good luck,
Raymond




On 03-08-2020 15:55, lesneilson67 at gmail.com wrote:
> For a project I’m working on I need to translate a collection of terrain 
> tiles from .adf to .asc format. When I look at the source data the 
> height values are at most to 3 decimal places (millimetres effectively). 
> After translation to .asc format, all the height values have 17(!) 
> decimal places.
> 
> I’m assuming there’s a conversion going on, but is there a way to 
> specify the output accuracy?
> 
> Also, is it possible to batch convert a number of files, rather than 
> loading and converting each one individually?
> 
> Many thanks for any tips,
> 
> Les Neilson
> 
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