> 
> On Tue, 12 Sep 1995, motte wrote:
> > > 
> > > anyone written a GRASS-to-MapInfo (MIF) converter?
> > > 
> > > --Darrell
> (lines deleted)
> > 
> > Started on it some time ago, but was scared by the fact that MIF needs 
> > its polygons to be 'closed'; I couldn't find out how GRASS would handle 
> > this. The MIF format is easy enough, so if you know how to make closed 
> > polygons it should be a piece of cake.
> > 
> Aren't GRASS vector polygons considered closed? (i.e., they start and end 
> on the same coordinate pair?) Or does "closed" mean something more?
> ---
> Malcolm D. Williamson - GIS Specialist           E-mail: malcolm@cast.uark.edu
> Center for Advanced Spatial Technologies      Telephone: (501) 575-6159
> Ozark Rm. 12                                        Fax: (501) 575-5218 
> University of Arkansas              
> Fayetteville, AR 72701

Sorry for my inadequate explanation: afaik GRASS doesn't mind about 
sharing a boundary line between polygons, but MapInfo does, so you need 
to create duplicate lines for MIF export. That's what I wanted to say, at 
least.

Philip Verhagen
> > -- 
> > 
> > 
> > 			S t i c h t i n g  R A A P
> > 
> > 
> > 		Regionaal Archeologisch Archiverings Projekt
> > 
> > adress: 	Plantage Muidergracht 14
> > 	        1018 TV Amsterdam
> > 	       	THE NETHERLANDS
> > phone:          (31) 20 525 5835
> > fax:		(31) 20 525 5834
> > e-mail:		motte@xs4all.nl
> > 
> 


-- 


			S t i c h t i n g  R A A P


		Regionaal Archeologisch Archiverings Projekt

adress: 	Plantage Muidergracht 14
	        1018 TV Amsterdam
	       	THE NETHERLANDS
phone:          (31) 20 525 5835
fax:		(31) 20 525 5834
e-mail:		motte@xs4all.nl

