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Date Posted: 07:00:51 05/18/04 Tue
Author: Michel
Subject: Re: Annotations question
In reply to: Greg 's message, "Annotations question" on 18:05:55 05/13/04 Thu

Hi Greg,

I don't know if this is the right approach. The annotations can display one "layer" at a time. It would be quite complex to support multiple layers.

For these requirements, you probably should like at "drawing" type packages. I recall seeing some for Delphi but I have not tried any.

Best regards,


>I was wondering if anybody would be able to provide
>some direction on what features of Envision would work
>best for a problem I'm working on. The problem is
>Using Multipage tifs, I want to build a little drawing
>program that has layering capabilities. The idea is
>one frame in the tif = one layer in the image. Each
>layers visibility can be turned on and off at the will
>of the user using a panel of checkboxes. When more
>than one layer is visible, the bottom appears solid
>and I want every layer on top of it to appear
>transparent except for the shapes, lines, etc. that
>have been drawn on each.
>I'm a newbie to graphics manipulation with envision,
>so any suggestions would be greatly appreciated!
>Thanks in advance,

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