Re: [GRASS-user] Collapsing many layers into 1

2008-01-23 Thread Neil Godfrey
My problem is a little different. I have just one map, but many layers. I want to get one map, with just one layer. On Tue, 2008-01-22 at 10:58 +0100, Martin Landa wrote: Hi, 2008/1/22, Neil Godfrey [EMAIL PROTECTED]: The census 2000 administrative boundaries are shapefiles, where every

[GRASS-user] Collapsing many layers into 1

2008-01-21 Thread Neil Godfrey
Hello, The census 2000 administrative boundaries are shapefiles, where every county is a separate file. So v.in.ogr creates a layer for every county. So for example, I get 83 layers for the 83 counties in Michigan, which correspond to 83 tables, each with just one category. What I want is one