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# Re: [femm] zoomier

- To: femm@yahoogroups.com
- Subject: Re: [femm] zoomier
- From: David Meeker <dmeeker@ieee.org>
- Date: Mon, 14 Apr 2003 13:13:28 -0400
- In-reply-to: <3E9ADE9C.3040201@plix.com>
- References: <5.1.1.5.2.20030411082341.047c9e00@email.cind.ornl.gov> <3E9AC56A.9050104@ieee.org> <3E9ADE9C.3040201@plix.com>
- User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3; MultiZilla v1.4.0.3G) Gecko/20030312

`Dave Squires wrote:`

>     Dave,
>     I think you missed the point here (or I did).

>     Say you want to set a very small air gap
>     let's say 0.001".
>     Now you design it with 0.001" resolution
>     or even smaller. If you try to zoom in
>     to get a 0.001" grid to fill the screen
>     with just 4-6 points, you can't do it.

>     The zoom factor stops long before that.
>     If you use the window zoom and stretch a
>     box around a small region it just ignores
>     it and reorients the screen with no zoom
>     at all. Where does that limit come from?
>     It seems that more zoom of the screen drawing
>     should be possible....or maybe not?
>     If you have 15 decimal places of exponent
>     that is a lot of resolution and the screen
>     should not have much to do with it.

> `Dave Squires`

`The entire range from -2^15 to +2^15 is "just" 65536 pixels. If, for example, you were running a window 800 pixels wide, the maximum that you could zoom to would be roughly 65536/800, or about 80 times the resolution compared to the view when the full geometry is displayed.
--
David Meeker
email: dmeeker@ieee.org
www: http://femm.berlios.de/dmeeker`

- Follow-Ups:
  - Re: [femm] zoomier
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- References:
  - zoomier
    - From: Boyd Evans <ev3@ornl.gov>
  - Re: [femm] zoomier
    - From: David Meeker <dmeeker@ieee.org>
  - Re: [femm] zoomier
    - From: Dave Squires <djsquires@plix.com>

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