MapInfo .tab vs Shapefile

Daniel Morissette dmorissette at MAPGEARS.COM
Wed Sep 13 09:24:47 EDT 2006


Travis Kirstine wrote:

> Hi,
> In general do shp files with a .qix index display faster than mapinfo .tab
> files connected with ogr?
> I've looked through the docs and that is the general impression I get but
> there is no definite statement.
> 

Yes, properly indexed shapefiles are the fastest.

Reading MapInfo TAB via OGR involves some extra overhead (because OGR is 
a generic data access engine, that's a price to pay). Unfortunately 
there is no formal benchmark that I am aware of to compare the two.

Daniel



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