You might want to create two new separate columns, and then populate the
columns (both of type float) with the update column command with
val(old_longitude_column)
val(old_latitude_column)
Then create the points out of those columns.
> -----Original Message-----
> From: Susan N Muleme [SMTP:[EMAIL PROTECTED]]
> Sent: Monday, March 15, 1999 1:34 PM
> To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: GISTrans: GNIS Files
>
> Hello Everyone,
>
> I have some GNIS files that I am trying to create a point mid/mif from.
> I've created a comma delimited dbf and imported into MapInfo. I've then
> converted the lat/long fields to float using the Table/Maintenance/Table
> Structure- but this converts all the lat/longs to 0's. So when I create
> the points layer, all the points are one on top of the other, at 0,0.
>
> Any help?- I am not a regular list subscriber (to mapinfo-l) so could
> you please answer me directly.
>
> Susan
> --
> Susan Muleme ([EMAIL PROTECTED])
> Cartographic and Software Support Technician
> Avenza Software Inc.
>
> *****Developers of MAPublisher & pdfPLUS*****
> Changing the way maps are made!
>
> Visit: www.avenza.com
> 905.639.3330 x26 or 905.639.2329
>
> Coming soon, MAPublisher 3.5 for Macromedia FreeHand Windows!
>
>
> You just open them as ASCII, delimted files in MapInfo (delimited
> with comma), then convert the lat/long fields to floats using
> Table/Maintenance/Table Structure, and then create points.
>
> - Bill
>
> Susan N Muleme wrote:
>
> > Hi Bill,
> >
> > Thank you for your responses. I've actually downloaded a couple
> > of these files from the USGS web site. But they are
> > text files- Do you convert them to mid/mif to import into
> > MapInfo?
> >
> > Susan
> > --
> > Susan Muleme ([EMAIL PROTECTED])
> > Cartographic and Software Support Technician
> > Avenza Software Inc.
> >
> > *****Developers of MAPublisher & pdfPLUS*****
> > Changing the way maps are made!
> >
> > Visit: www.avenza.com
> > 905.639.3330 x26 or 905.639.2329
> >
> > Coming soon, MAPublisher 3.5 for Macromedia FreeHand Windows!
> >
> > Bill Thoen wrote:
> >
> > > Susan N Muleme wrote:
> > >
> > > > Has anyone heard of or does anyone use the USGS GNIS
> > > > (Geographic Names
> > > > Information System)? How do you incorporate this database
> > into
> > > > your GIS?
> > >
> > > It's very straight-forward. Go to the EROS data center to
> > their
> > > "Cartographic products" page at
> > > http://edcwww.cr.usgs.gov/dsprod/prod.html#cartographic, and
> > you
> > > can get all you want.The GNIS is basically a database of
> > > point-location data with names--all types realted to named
> > > places. Documentation is there too. It's dead easy to import
> > into
> > > MapInfo.
> > >
> > > - Bill Thoen
> > > http://www.ctmap.com/gisnet (Online GIS resources)
> > >
> > > To unsubscribe, send to [EMAIL PROTECTED] with
> > "unsubscribe Map-Mac <email address>" in the body of the
> > message.
>
>
>
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