[Openroad-users] Clickpoint problems with SegmentShape

[Paul White]

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regards
 
Paul White


________________________________

	From: Kenneth.H.Olsson at tietoenator.com
[mailto:Kenneth.H.Olsson at tietoenator.com] 
	Sent: Tuesday, 23 October 2007 7:05 PM
	To: openroad-users at peerlessit.com
	Subject: Re: [Openroad-users] Clickpoint problems with
SegmentShape
	
	

	Hi all,

	 

	1. It must be the "Zeitgeist". I understand a number of guys
have been exploring pie charts in OpenROAD. Not long ago making a pie
chart by drawing rather many SegmentShapes was impractical. It is the
power of today's PCs that makes it possible! 

	 

	2. I used pie charts available in Java but not in OpenROAD to
demo the new Java Proxy to OpenROAD Server in my DPP17SN session at CA
World 2005 in Las Vegas:

	 

	    In OpenROAD there is:

	    o   No Pie System Class

	    o   No Pie Data type

	    o   No Pie Reporter feature

	    o   So you can't draw pie charts - Let's use Java

	 

	    But at the end I served the audience some OpenROAD demo
pies:

	    o   So you can - Let's use OpenROAD

	 

	3. An alternative to creating the pie sectors out of rather many
lines or SegmentShapes would be to use the undocumented System Class of
ArcShape. Creating an ArcShape setting the attributes StartAngle and
EndAngle would eliminate a lot of lines, but the BgColor does not seem
to work unless the start and end angle describes a complete ellipse.

	 

	4. A PolyLine system class sounds very interesting and would be
very useful in the pie chart business and elsewhere. 

	 

	5. I understand the click problems. They should be corrected.
Trigonometry is fun. 

	 

	6. Now suppose the pie chart is transformed into a bitmap image.
That would make it easier to handle and use in many other situations. So
I implemented an extension to the well known orprn32.dll, which prints
your OR frame or the part defined by the WidgetId on the default
printer:

	 

	    The new ORBitmap32.dll contains:

	    o   ORPrintScreen32          - (Unchanged) screen printer

	    o   ORBitmapScreen32         - Makes a bitmap file

	    o   ORRgbScreen32            - Gives you the RGB of any
pixel

	 

	7. I also made an application: ORBitmap32. I think it is
self-explaining and self-service-oriented. So it must be a SOA
application?

	 

	'Everything is possible with OpenROAD'

	 

	Kenneth Olsson

	TietoEnator Corporation

	Digital Innovations

	Phone      +46 (0) 10 481 30 15

	Mobile     +46 (0) 70 365 46 38

	Kenneth.H.Olsson at TietoEnator.com
<mailto:Kenneth.H.Olsson at TietoEnator.com> 

	 

	 

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