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- Newsgroups: comp.lang.tcl
- Path: sparky!uunet!timbuk.cray.com!hemlock.cray.com!mgc
- From: mgc@cray.com (M. G. Christenson)
- Subject: Re: Canvases - what do YOU use them for?
- Message-ID: <1993Jan22.115721.28051@hemlock.cray.com>
- Lines: 26
- Nntp-Posting-Host: pecan
- Reply-To: mgc@cray.com
- Organization: Cray Research, Inc.
- Date: 22 Jan 93 11:57:21 CST
-
- In article <1993Jan21.211011.18466@bcars6a8.bnr.ca>, Norm MacNeil writes:
- >Now that I've become a little acustomed to writing/using TCL/TK, I've started
- >looking at some of the more "finer" programming details. One thing is the
- >canvas and although I've seen a few articles on it, I still don't quite have
- >an example of what it would be used for.
- >
- >So my question is, of those of you TK programmers out there, what do YOU use
- >canvases for? What application type? Why canvas and not something else (if
- >anything else would be applicable?)
- >
- >Thanks,
- >Norm.
- >
- >+-----------------------------------------------------------------------+
- >Norm MacNeil Phone: (613) 763-3372
- >Data Systems Fax: (613) 765-2854
- >Bell-Northern Research Ltd. EMail: norm@bnr.ca (INTERNET)
- >#include <disclaimer.std> "Roller bladers do it in-line!"
-
- I use a canvas widget in a printed circuit layout application. I draw
- various components, drag them around, rotate them, etc. There is an
- interface to an automatic circuit router, from which I take the output
- and draw the traces on the canvas.
-
- Mark
-
-