Developing Widgets (was Re: [Chameleon] Large TIFF not rendering)

[Paul Dymecki]

Actually  the wiki just answered most of my questions i think, now i just
have to figure out how to send the query a paramter from another widg,
thanks,
Paul
----- Original Message -----
From: "Paul Dymecki" <pdymecki@sympatico.ca>
To: <spencer@dmsolutions.ca>
Cc: <chameleon@lists.maptools.org>
Sent: Saturday, April 03, 2004 1:21 PM
Subject: Re: Developing Widgets (was Re: [Chameleon] Large TIFF not
rendering)


> Thanks Paul,
>    Sorry one more question, I'm trying to connect to an SQL server through
> ODBC and was wondering what the dbtype should be in the SQLQuery Widget?
> thx,
> Paul
> ----- Original Message -----
> From: "Paul Spencer" <pagameba@magma.ca>
> To: "Paul Dymecki" <pdymecki@sympatico.ca>
> Cc: <chameleon@lists.maptools.org>
> Sent: Saturday, April 03, 2004 10:36 AM
> Subject: Developing Widgets (was Re: [Chameleon] Large TIFF not rendering)
>
>
> > Paul,
> >
> > I have started to put such a document together, I will try to send you
> > what I have next week ... some review would be a good idea, programmers
> > don't necessarily make good writers :)
> >
> > Paul
> >
> > Paul Dymecki wrote:
> > > Hi,
> > >   I was wondering if there is any documentation anywhere on the steps
to
> go
> > > about for developing new widgets?  I've been looking at the html docs
> but
> > > they seem a little meagre,
> > > thx,
> > > Paul
> > > ----- Original Message -----
> > > From: "Delfos, Jacob" <jacob.delfos@maunsell.com>
> > > To: <spencer@dmsolutions.ca>
> > > Cc: <chameleon@lists.maptools.org>
> > > Sent: Thursday, April 01, 2004 6:49 PM
> > > Subject: RE: [Chameleon] Large TIFF not rendering
> > >
> > >
> > >
> > >>Paul,
> > >>
> > >>The release I have is cwc2-1.0.4-20031112. I am definitely using a
> > >
> > > map-file
> > >
> > >>(didn't hack it, at least not that bit). I had an ECW of around a
100MB
> > >>which I used initially. Because I wasn't happy with the graphic
quality
> > >>(greenish planet mars-looking landscape, supposedly Australia) I fixed
> it
> > >
> > > up
> > >
> > >>in photoshop. Unfortunately, since the free ECW software can typically
> > >
> > > only
> > >
> > >>support up to 500MB, I couldn't save it back to ECW, so I converted to
> > >
> > > TIFF.
> > >
> > >>However, now chameleon won't load it (doesn't hang on it either,
> though).
> > >>All I changed is the filename in the DATA statement. The tif has a TFW
> > >
> > > file,
> > >
> > >>and I also created an ERS file for it; no effect.
> > >>
> > >>A better alternative to my problem would be a freeware program that
> > >>compresses >500MB to ECW. The new ECW sdk does it, but you'd need a
> > >
> > > license
> > >
> > >>to do it commercially (and visual C++).
> > >>
> > >>What else could cause a TIFF not to display? I'm not using
compression.
> > >>
> > >>Regards,
> > >>
> > >>Jacob
> > >>
> > >>
> > >>-----Original Message-----
> > >>From: Paul Spencer [mailto:pagameba@magma.ca]
> > >>Sent: Thursday, 1 April 2004 23:07
> > >>To: Delfos, Jacob
> > >>Cc: 'chameleon@lists.maptools.org'
> > >>Subject: Re: [Chameleon] Large TIFF not rendering
> > >>
> > >>
> > >>Jacob,
> > >>
> > >>there is not, as far as I know, any limitations on size of data files.
> > >>
> > >>If you are using Chameleon 1.0.4 then you are accessing layers via WMS
> > >>by loading a context file, unless you have hacked the source to do
> > >>something different?  This would mean that the type of the file is
> > >>essentially immaterial.  Can you explain what you are trying to do?
> > >>
> > >>Delfos, Jacob wrote:
> > >>
> > >>
> > >>>Hi List,
> > >>>
> > >>>I'm trying to display a geoTiff file of slightly less than a
gigabyte,
> > >>>but it's not rendering. My TFW file is valid, because it shows
alright
> > >>>in ArcGIS. It is in the same projection as the mapfile. I couldn't
find
> > >>>any similar issues in the archive. Is there a limit on the filesize
for
> > >>>a TIF? I'm using Chamaleon version 1.0.4. The TIF is RGB, 24bit.
> > >>>
> > >>>Thanks in advance,
> > >>>
> > >>>Jacob
> > >>>
> > >>>
> > >>>*JACOB DELFOS
> > >>>SPATIAL INFORMATION ANALYST
> > >>>*Maunsell Australia Pty Ltd
> > >>>629 Newcastle Street
> > >>>PO Box 81
> > >>>Leederville 6902
> > >>>Western Australia
> > >>>ABN 20 093 846 925
> > >>>
> > >>>Tel     + 61 8 9281 6185
> > >>>Fax    + 61 8 9281 6297
> > >>>_jacob.delfos@maunsell.com_
> > >>>
> > >>
> > >>--
> > >>  -----------------------------------------------------------------
> > >>|Paul Spencer                           pspencer@dmsolutions.ca   |
> > >>|-----------------------------------------------------------------|
> > >>|Applications & Software Development                              |
> > >>|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
> > >>  -----------------------------------------------------------------
> > >>_______________________________________________
> > >>Chameleon mailing list
> > >>Chameleon@lists.maptools.org
> > >>http://lists.maptools.org/mailman/listinfo/chameleon
> > >
> > >
> > > _______________________________________________
> > > Chameleon mailing list
> > > Chameleon@lists.maptools.org
> > > http://lists.maptools.org/mailman/listinfo/chameleon
> > >
> >
> > --
> >   -----------------------------------------------------------------
> > |Paul Spencer                           pspencer@dmsolutions.ca   |
> > |-----------------------------------------------------------------|
> > |Applications & Software Development                              |
> > |DM Solutions Group Inc                 http://www.dmsolutions.ca/|
> >   -----------------------------------------------------------------
> >
> >
>
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