RE: [OpenMap Users] Scaling Images for imagePointUrl

From: Rubén Ruiz <vinilo_at_cancerbero.org>
Date: Fri, 23 Jul 2004 15:36:25 +0200

Thanks Don,
I'll try with it :)

I'll tell you all how is it going....

Thanks again,
Rubén.

-----Mensaje original-----
De: owner-openmap-users_at_bbn.com [mailto:owner-openmap-users_at_bbn.com] En
nombre de Don Dietrick
Enviado el: jueves, 22 de julio de 2004 21:23
Para: Rubén Ruiz
CC: 'Openmap-Users'
Asunto: Re: [OpenMap Users] Scaling Images for imagePointUrl

Have you thought about using an OMScalingIcon? It does what you describe.

- Don


On Jul 22, 2004, at 9:37 AM, Rubén Ruiz wrote:

> Hi all,
>
> i`m trying to implement a re-scaling method for the images showed in
> every point using the imagePointUrl Property when the mapbean is
> zoomed in/out.
>
> I wonder if any of you could help me to find the correct place to do
> this operation.
> The escaling operation is quite simple, just multiply the size of the
> image by the % of scale, and return the new scaled image, but the
> complexity is where to put those lines.
>
> I've seen that the rendered objects corresponding to the images on the
> screen are OMRaster objects. I'm looking for a place where my code can
> be located and trying to avoid a bottle-neck in the rendering
> process.When the scale changes, i've to call this method to scale the
> image and leave it in its place for the rendering process..
>
> Where's the main rendering process made for shape layers?
>
> I'm thinking another way to make a similar scaling efect; maybe
> chaging on the fly the source file of the image for other file with
> the scaled image.
> It this case i'll need 2 or 3 iamge files and switch them on the fly
> depending on the scale, is it posible?
>
> Any help or ideas will be welcomed..
> Thanks in advance,
> Rubén.
>
>
> --
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>


=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Don Dietrick, dietrick_at_bbn.com
BBN Technologies, Cambridge, MA
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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Received on Fri Jul 23 2004 - 09:37:24 EDT

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