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From: | Robert T. Short |
Subject: | Re: terminology: handles, figures, objects, etc. |
Date: | Thu, 17 Sep 2009 06:45:02 -0700 |
User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.23) Gecko/20090823 SeaMonkey/1.1.18 |
To say what Shai said, just a little differently: The three terms are really quite distinct. An object is a thing. A property is some feature that the object has. A handle is a programmatic way to refer to the object. As an example, a plot is an object. It is composed of other objects including lines and axes. Each of the objects and subobjects have properties, e.g. a line object may have a color, a linetype, etc. A handle is simply some computer representation of the object (a pointer, an index into a table, or something) to allow the programmer to refer to an object; for example to make property changes or otherwise manipulate the object. Bob Michael D Godfrey wrote: I have seen (I think) graphics properties defined as |
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