[Mapserver-users] Projection Systems question
Amit S BEHERE
abehere at cs.ucsd.edu
Thu Jan 29 14:17:39 EST 2004
Hi
Well I changed the size parameter but the dot remains the same size. So I
thought it was maybe just some noise (??) returned to me and not an tree.
But it does move when I change the extent.
Amit Behere.
UCSD.
"Technology doesn't make your life more difficult or easy, it just changes
the rules"......Vishwanathan Anand
On Thu, 29 Jan 2004, David Fawcett wrote:
> Amit,
>
> I don't know about your issue with only one data item showing up, but
> if you add a SIZE entry to your class (e.g. SIZE 12), your dot will be
> bigger. The default size is one pixel.
>
> David.
>
> David J. Fawcett
> MN Office of Environmental Assistance
>
> >>> Amit S BEHERE <abehere at cs.ucsd.edu> 1/29/2004 12:43:39 PM >>>
> Hi,
> I found a very interesting thing. I did change the contrast so that I
> can
> debug. I can see one teensy tiny tree that moves around if I change
> the
> extent slightly. However I see only that one tree when I should see a
> bunch of trees. Also The tree is a very tiny dot on screen. Even if I
> change the MINSIZE on the class for the layer it doesnt help the map
> file
> is attached below. Could it be a problem in the shape file (it opens
> up
> fine in ArcView though, thats how I got the extent)
>
> MAP
> IMAGETYPE PNG
> EXTENT 383778 3760227 389212 3763677
> SIZE 400 300
> SHAPEPATH "data"
> IMAGECOLOR 0 0 0
>
> PROJECTION
> # "proj=laea"
> # "ellps=clrk66"
> # "lat_0=45"
> #"lon_0=-100"
> #
> # Alternatively, you can specify an EPSG code.
> "init=epsg:26911"
> #
> END
>
> # Start of LAYER DEFINITIONS
> ---------------------------------------------
> LAYER # States polygon layer begins here
> NAME vernon_trees
> DATA vernon_trees
> STATUS DEFAULT
> TYPE POINT
>
> PROJECTION
> "init=epsg:26911"
> END
>
> CLASS
> COLOR 255 255 255
> MINSIZE 300
> END
> END # States polygon layer ends here
> # End of LAYER DEFINITIONS -------------------------------
>
> END # end of map file/object
>
> Amit Behere.
> UCSD.
> "Technology doesn't make your life more difficult or easy, it just
> changes
> the rules"......Vishwanathan Anand
>
>
> On Wed, 28 Jan 2004, Ed McNierney wrote:
>
> > Amit -
> >
> > Thanks! First, I notice that you're drawing 10% gray points on a
> white
> > background, which is going to make them pretty hard to see. You
> might
> > try setting the COLOR in the data layer to 0 128 0 or something
> > distinctive while you're debugging.
> >
> > If you are getting a valid PNG image (no broken link icon) that just
> is
> > all white, then I would double-check the extents you've chosen to see
> if
> > you've gotten them correct. Since your layer is called
> vernon_trees,
> > and your extents are around Vernon, CA, though, I'm guessing they
> are
> > OK.
> >
> > - Ed
> >
> >
> > Ed McNierney
> > President and Chief Mapmaker
> > TopoZone.com
> > -----Original Message-----
> > From: Amit S BEHERE [mailto:abehere at cs.ucsd.edu]
> > Sent: Wednesday, January 28, 2004 11:25 PM
> > To: Ed McNierney
> > Cc: Amit S BEHERE; mapserver-users at lists.gis.umn.edu;
> > amitbehere at rediffmail.com
> > Subject: RE: [Mapserver-users] Projection Systems question
> >
> > Hi
> > I am sorry for not mentioning the problem correctly. Well, I am
> getting
> > a PNG back but it is blank. I have a test.map file and I use the
> > following url http://pune.com/mapserver/mapserv.exe?map=location of
> my
> > .map
> > file+mode=map. i.e I am using the same parameters as are being used
> in
> > examples.
> >
> > Amit Behere.
> > UCSD.
> > "Technology doesn't make your life more difficult or easy, it just
> > changes the rules"......Vishwanathan Anand
> >
> >
> > On Wed, 28 Jan 2004, Ed McNierney wrote:
> >
> > > Amit -
> > >
> > > You didn't say what the problem is. What is happening (or not
> > > happening) when you try to generate a map from this mapfile? What
> is
> > > the URL you're using (i.e. what CGI parameters are you
> specifying)?
> > >
> > > - Ed
> > >
> > > Ed McNierney
> > > President and Chief Mapmaker
> > > TopoZone.com
> > > -----Original Message-----
> > > From: Amit S BEHERE [mailto:abehere at cs.ucsd.edu]
> > > Sent: Wednesday, January 28, 2004 10:42 PM
> > > To: mapserver-users at lists.gis.umn.edu
> > > Cc: amitbehere at rediffmail.com
> > > Subject: [Mapserver-users] Projection Systems question
> > >
> > > Hi all,
> > >
> > > I am having the following problem. I have a shapefile with the data
> in
> >
> > > projection system 1983_UTM_Zone_11N. I am trying to set up a layer
> in
> > > mapserver using this shape file. I took the example1.map file in
> the
> > > tutorial and made changes to it. The salient ones being
> > >
> > > changing the extent to the correct coordinates (found via ArcView)
> > > changing the projection to init epsg: 26911 (for UTM Zone 11 N)
> and
> > > changing the name and data setting for layer.
> > > I also changed the type to point and set minsize to be 20.
> > >
> > > I am also appending the mapfile. Can some one tell me what I am
> doing
> > > wrong ? Thanks in advance
> > >
> > > MAP
> > > IMAGETYPE PNG
> > > EXTENT 385538 3761010 391329 3764477
> > > SIZE 400 300
> > > SHAPEPATH "data"
> > > IMAGECOLOR 255 255 255
> > >
> > >
> > > PROJECTION
> > > # "proj=laea"
> > > # "ellps=clrk66"
> > > # "lat_0=45"
> > > #"lon_0=-100"
> > > #
> > > # Alternatively, you can specify an EPSG code.
> > > "init=epsg:26911"
> > > #
> > > END
> > >
> > > # Start of LAYER DEFINITIONS
> > > ---------------------------------------------
> > > LAYER # States polygon layer begins here
> > > NAME vernon_trees
> > > DATA vernon_trees
> > > STATUS DEFAULT
> > > TYPE POINT
> > >
> > > PROJECTION
> > > "init=epsg:26911"
> > > END
> > >
> > > CLASS
> > > COLOR 232 232 232
> > > MINSIZE 20
> > > END
> > > END # States polygon layer ends here
> > > # End of LAYER DEFINITIONS -------------------------------
> > >
> > > END # end of map file/object
> > >
> > > Amit Behere.
> > > UCSD.
> > > "Technology doesn't make your life more difficult or easy, it just
> > > changes the rules"......Vishwanathan Anand
> > >
> > > _______________________________________________
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> > > Mapserver-users at lists.gis.umn.edu
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> > >
> > >
> >
> >
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