[ka-Map-users] Re: kaXmlIcon rotation

David Bitner osgis.lists at gmail.com
Tue Apr 25 15:45:03 EDT 2006


Canvas implementation for IE using VML:
http://me.eae.net/archive/2005/12/29/canvas-in-ie/

On 4/25/06, Pg <pg.navone at gmail.com> wrote:
> What is kaXmlSVG? Is there such an implementation?
>
> There was a lot of discussion about vector graphics for
> overlays: the main issue is we need different implementations for
> different browsers (or the use of a third party plugin).
>
> I'm doing experiments with <canvas> in Mozilla Firefox.
> Seems to be very powerfull and efficient for small items (as icons and
> small lines or polygons) but terribly unefficient for complex lines
> and polygons (more than 100 vertex). But this is a very preliminary
> result.
> And last it works only for Firefox and Mac.
>
> Bye
>
>  -Pg
>
> 2006/4/24, Wei Yang, Ng - Wayne <wayne at datalinktech.com.au>:
> > Hi Pg,
> >      How about kaXmlSVG for kaXmlOverlay.js ? Do you like the idea?
> >
> > Cheers,
> > Wayne
> >
> > Pg wrote:
> > > Uhm?
> > > The wz_rotateimg is very tricky.
> > >
> > > I don't know why it's not working, but I can suggest an alternative
> > > solution I use to represent the heading of vehicles.
> > > I simply have 8 different icons for different headings
> > > (N, NE, E, SE,...) and I load the icon that
> > > approximates the real heading.
> > >
> > > Not so smart but...
> > >
> > >  -Pg
> > >
> > > 2006/4/21, Wei Yang, Ng - Wayne <wayne at datalinktech.com.au>:
> > >
> > >> Hi Pg,
> > >>       I am interested in rotating icons to show GPS headings/bearings
> > >> (0-360). I am currently looking at your code in kaXmlOverlay.js. I came
> > >> across wz_rotateimg.js while searching for a solution in google. I added
> > >> the script to my html page and the following code in kaXmlOverlay.js:
> > >>
> > >>     ++img.name = 'marker';
> > >>
> > >> at line 940. I then added the following to my html page:
> > >>
> > >> <script type="text/javascript">
> > >> SET_ROTATABLE("marker",90);
> > >> </script>
> > >>
> > >> This basically invokes a function in wz_rotateimg.js and sets the img to
> > >> be rotateable. However, when I refresh my page, the icon still shows but
> > >> is not rotated. Is this happening because the image is within the div
> > >> element?
> > >>
> > >> Cheers,
> > >> Wayne
> > >>
> > >>
> > >>
> > >>
> > >>
> >
>
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