comp.lang.idl-pvwave archive: archive » Re: Zooming Object Graphics

Home » Public Forums » archive » Re: Zooming Object Graphics

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Zooming Object Graphics [message #35324]

Wed, 11 June 2003 11:02

MKatz843
Messages: 98
Registered: March 2002

Member

darrick.white@med.ge.com (Darrick White) wrote in message news:<e5624c04.0306110502.3b4942e9@posting.google.com>...
> I'm trying to zoom a 2-D image without data transformation. I'm
> . . . Any ideas on how to make any
> size image seem symmetrical when using the zoom feature?

Why don't you keep track of the aspect ratio (height/width) of the
graphics window. Then, from the XYcenter and Width of your
Viewplane_Rect, you should be able to calculate the Height
in such a way that the pixels in your image are always square.

M. Katz

Report message to a moderator

[Message index]

Re: Zooming Object Graphics

By: MKatz843 on Wed, 11 June 2003 11:02

Previous Topic:	Re: Transparent PNG file in PowerPoint
Next Topic:	Re: IDL Question - Opposite of WHERE?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 18:30:57 PDT 2025

Total time taken to generate the page: 0.96178 seconds