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Magnifier

robdohanyos

Hello,

I'm looking to use the magnifier as a magnifier to magnify a specific location not tied to the pointer. I'd like to anchor it using the anchor command with a view of what is under it, not what is under the pointer. Is this possible?

The use case is this. Basically i want to do something like picture in picture. i have some MPP's that are very wide and it would be nice if I could anchor the magnifier where the desired overlap is, and stretch the center line while being able to maintain visibility of that overlap region at the edge.

Thanks
Rob

  • Hi Rob,

    Rather than using the magnifier, I would suggest using a much more longstanding feature - having multiple windows open on the same cellView. You can copy an existing window by using:

    geNewWindow(hiGetCurrentWindow())

    which could be on a bindkey of course. You can start an operation in one window and finish it in the other - so you can start drawing a rectangle or performing a zoom in one, and end in the other. Or you could see the cursor move in both windows. You may also want to use this code (which could be on a bindkey too) to copy zoom level from one window to another):

    /* abCopyWinView.il

Author     A.D.Beckett
Group      Structured Custom, Cadence Design Systems Ltd
Machine    SUN
Date       Apr 25, 1994 
Modified   
By         

Copies a window view from one window to another,
not necessarily of the same cellView

***************************************************

SCCS Info: @(#) abCopyWinView.il 11/20/08.15:26:12 1.1

*/

(procedure (abCopyWinViewCB win done points)
  (let (bbox)
       (setq win (hiGetCurrentWindow))
       (when (and done (windowp win) (windowp abCopyWinViewFrom))
             (setq bbox (hiGetViewBBox abCopyWinViewFrom))
             (hiZoomIn win bbox))))

/***************************************************************
*                                                              *
*             (abCopyWinView @optional (win nil))              *
*                                                              *
*     Procedure to copy a view from one window to another      *
*                                                              *
***************************************************************/

(procedure (abCopyWinView @optional (win nil))
  (unless win (setq win (hiGetCurrentWindow)))
  (setq abCopyWinViewFrom win)
  (hiSetCurrentWindow win)
  (when (windowp win)
        (enterMultiRep ?prompts '("Point to the source window" "Point to the destination window")
                       ?points '((0 0))
                       ?doneProc "abCopyWinViewCB"
                       ?dontDraw t
                       ))
  t)

  • Hi Andrew,

    Thanks for the info. I had never ran across geNewWindow before. That along with your code should get me where i need.

    Thanks for the quick help.
    Rob

  • Rob,

    Note (in case I wasn't clear) - you don't have to use geNewWindow to do this - you could just open the same layout twice from the library manager - this happens any time you have multiple windows open on the same cellView (for schematic as well as layout).

    Regards,

    Andrew.

  • Yup, that was clear. I knew I could do have 2 windows opent, but hadn't thought to use it in this manner. Using geNewWindow allows me to maybe script it so it creates the new window, applies a very barebones workspace to it, i make my edit, and then destroy the window. Its got me thinking.

    Thanks again

    Rob

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