[GRASS-user] ps.map issues

[David Kindem]

Thanks Markus,

I had check to see that the region extents matched the area I wanted  
to map, but I didn't check the resolution.  I see now that I have  
many more rows and columns than I need.

I'll make and adjustment, and try again.

Dave

David Kindem
dkindem at gmail.com
616.402.0864




On Dec 1, 2010, at 10:43 AM, Markus Metz wrote:

> David Kindem wrote:
>> Hi,
>>
>> I've run into a problem using ps.map.  I'm trying to output maps  
>> that have
>> printed successfully before.  The map files overlay several vector  
>> layers on
>> a fairly large raster image.  In the past, the eps files were  
>> created in
>> about a minute, and were about 120 mb in size.  Now, the images  
>> take about
>> 20 minutes to create, are over 2 gb in size, and will not open.
>>
> ps.map reads raster maps using the current region settings. Try to
> adjust the region resolution to reduce the number of cells in the
> current region. You can calculate the minimum required region
> resolution from the map dimensions (e.g. paper size minus borders for
> East-West) and desired dpi. The number of rows and columns in the
> current region should correspond to the number of dots that fit into
> the printed or pdf map.
>
> HTH,
>
> Markus M
>
>
>> The problem seems to be with the raster layer.  If I eliminate it,  
>> the
>> output is normal.  When I add it back, I get corrupt output  
>> files.  The
>> layer does display properly in GRASS.
>>
>> It there a way to tell whether the problem is in the raster layer,  
>> or in the
>> eps processing routines?  I'm using GRASS 6.3.0-2 (Lorenzo's  
>> binary) on OS
>> 10.4.11.
>>
>> Thanks in advance,
>>
>> Dave
>>
>>
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>>

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