RE: [cgmo-webcgm] setting the viewport (was pan/zoom)

["Bezaire, Benoit" <bbezaire@ptc.com>]

I'm starting to wonder if some of these 'rectangle' API shouldn't be
using 4 floats instead of a string. Might be easier for the script
writer. 

-----Original Message-----
From: Galt, Stuart A [mailto:stuart.a.galt@boeing.com] 
Sent: Monday, March 24, 2008 6:04 PM
To: CGM Open WebCGM TC
Subject: [cgmo-webcgm] setting the viewport (was pan/zoom)

Hello,

Chapter 1 - no changes
Chapter 2 - no changes
Chapter 3 - no changes
Chapter 4 - no changes

Chapter 5

In 5.7.5
Add to the IDL

void              setViewPort (in WebCGMString port);

In the methods section add:

setViewPort
Sets the viewport to the specified rectangle expressed in NVDC units.

To set the viewport around two APS you could get the object extent of
both APS and then set the viewport to the new rectangle defined by the
minimum x value, minimum y value, maximum x value, maximum y value.

Parameter
		port of type WebCGM String
		The two corner points of a rectangle in NVDC

Exceptions
No exceptions.

chapter 6 - no changes
chapter 7 - no changes
chapter 8 - 

add to the WebCGM object methods
The WebCGMPicture object has the following methods:
...
setViewPort(port)
	This method has no return value.
	The port parameter is of type String.



--
Stuart Galt
SGML Resource Group
stuart.a.galt@boeing.com
(206) 544-3656


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