No subject

Javier Carrasco jcarrasco at PRODEVELOP.ES
Fri Oct 26 04:14:48 PDT 2007


Thank you

-----Mensaje original-----
De: thomas bonfort [mailto:thomas.bonfort at gmail.com]
Enviado el: vie 26/10/2007 11:49
Para: Javier Carrasco; Steve Lime
CC: MAPSERVER-USERS at lists.umn.edu
Asunto: Re: [UMN_MAPSERVER-USERS]
 
This is a bug.
the problem comes from the fact that mapserver tries to concatenate
colinear vertices to reduce the number of lines to be drawn. In your
case the vertice at the extreme of your line segment is removed.
I'll file this on trac

tb

On 10/26/07, Javier Carrasco <jcarrasco at prodevelop.es> wrote:
>
>
>
> Thank you Jacob and Steve.
>
>  I have the same problem in shp2img.
>
>  I have noticed that when you get closer to the geometry, it shows
> correctly, I mean it depends on scale. Is it possible MapServer is doing
> some kind of greeking or simplification of the geometry that doesn't work
> well for my geometry? Sometimes the piece of the shape that dissappears is
> quite big (70 pixels more or less).
>
>  My original data is in Oracle Spatial, I converted it to shape and tried to
> configure mapserver to use shapefile. But I have the same problem when using
> Oracle or Shapefiles.
>
>  I have tested it in Mapserver 4 and 5.0 and the result is the same.
>
>  Thank You
>
>  -----Mensaje original-----
>  De: Delfos, Jacob [mailto:Jacob.Delfos at maunsell.com]
>  Enviado el: vie 26/10/2007 1:55
>  Para: MAPSERVER-USERS at LISTS.UMN.EDU
>  CC: Javier Carrasco; Steve Lime
>  Asunto: RE: [UMN_MAPSERVER-USERS]
>
>
>
>  Javier,
>
>  I have seen these symptoms when I updated a shapefile, without updating
>  its spatial index. Features literally 'vanish' into thin air, because
>  they are assumed not to be in the extent (because the spatial index
>  points to the wrong objects). Try updating your spatial index (or remove
>  it for now).
>
>  Regards,
>
>  Jacob
>
>
>  > -----Original Message-----
>  > From: UMN MapServer Users List
>  > [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of
> Steve Lime
>  > Sent: 26 October 2007 01:22
>  > To: MAPSERVER-USERS at LISTS.UMN.EDU
>  > Subject: [UMN_MAPSERVER-USERS]
>  >
>  > If you use shp2img do you see the same issue? I didn't see
>  > anything obvious in your configuration
>  > that would cause something like this. Will try on my end too.
>  >
>  > Steve
>  >
>  >
>  > >>> On 10/25/2007 at 8:04 AM, in message
>  >
> <E43C32BC5843E34FB4C00CDFAAAAF7D806C200 at australia.prodevelop.l
>  > ocal>, Javier
>  > Carrasco <jcarrasco at PRODEVELOP.ES> wrote:
>  >
>  > > Hi everybody
>  > > I have a problem when I try to render the shape in the
>  > shapefile annexed. If
>  > > you look at the screenshoot I took from gvSIG, there are
>  > some segments of the
>  > > geometry that are not displayed using MapServer but gvSIG,
>  > uDIG and arcMap
>  > > displays correctly.
>  > >
>  > > I'm using ms4w (MapServer 5.0) and I'm getting the images
>  > using the WMS
>  > > interface.
>  > >
>  > > This geometry is a representation of a route to deliver
>  > some packages in
>  > > different addresses.
>  > > it looks like two correlative segments of the path that are
>  > used to move
>  > > from A to B and B to A are disappearing.
>  > >
>  > > Do you know if there is a bug in MapServer or am I making
>  > something wrong
>  > > when configuring MapServer?
>  > >
>  > > Thank you
>  >
>
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