Editing shape files...or altering output.
Jerl Simpson
jerl.simpso at GMAIL.COM
Fri Oct 1 09:46:07 PDT 2004
I notice in the shapelib library, there are example programs to add
records to the dbf file (dbfadd) I believe.
That might help you out.
Jerl
On Fri, 1 Oct 2004 11:52:41 -0400, MapServer List
<mms at gnetconsulting.com> wrote:
> Hello list:
>
> I need to do something similar, except I need to add a record to
> the DBF and save it, using PHP/MapScript. Would I use the same
> steps? Or would it be easier to do it in a DBF editor of some sort?
>
> My platform is Linux 9/PHP/MapServer 4.2.1. Thanks.
>
> Joel
>
>
>
> ----- Original Message -----
> From: "Stephen Woodbridge" <woodbri at SWOODBRIDGE.COM>
> To: <MAPSERVER-USERS at LISTS.UMN.EDU>
> Sent: Friday, October 01, 2004 11:08 AM
> Subject: Re: [UMN_MAPSERVER-USERS] Editing shape files...or altering output.
>
> > You can do this in Perl using Geo::ShapeFile or Geo::Shapelib which
> > might be the easiest way to do this. Your plan below is exactly how to
> > do it, but Perl might be easier to write if you are familiar with it.
> >
> > I am not aware of any generic utilities that do this.
> >
> > -Steve W.
> >
> > Jerl Simpson wrote:
> >
> > > Hello,
> > >
> > > I'm having a display issue that I need to work out. I am wondering
> > > the best way to go about it. Here's the issue.
> > > I have an ESRI shape file with US roads. In this file, the US
> > > highways are listed as, "United States Highway 400". When you have a
> > > lot of those on the map, it gets very messy. I would like to replace
> > > "United States Highway 400" with "US 400" or even "US Hwy 400".
> > > Is it best to change the .dbf file? Or can I do this on the fly?
> > > I have no idea how to do this on the fly, but here are my thoughts on
> > > the dbf file.
> > >
> > > Use shapelib to open and read the dbf file, read in the values,
> > > compare, change if needed, then spit out to a new dbf file.
> > > Currently I would work at writing something to do this, after much
> > > reading of the documentation.
> > > Has anyone done this before? I suspect there might be a utility to do
> > > just this type of thing.
> > >
> > > Thanks in advance,
> > >
> > > Jerl
> > >
> >
>
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