ImageEn Forum - Drawing open ellipse

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Drawing open ellipse

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exchangeviews

India
39 Posts

Posted - Mar 01 2015 : 00:50:50

Is there a way to draw ellipse object like shown in below image:

xequte

38610 Posts

Posted - Mar 01 2015 : 02:48:09

Hi

Yes, you can use the iekPOLYLINE object with TImageEnVect. See the Vectorial demo for more information.

Nigel
Xequte Software
www.xequte.com
nigel@xequte.com

exchangeviews

India
39 Posts

Posted - Mar 01 2015 : 07:33:27

Thanks Nigel,

With vectorial demo, I am only able to draw an open ellipse as shown below, no smoothness is here:

any help?

xequte

38610 Posts

Posted - Mar 01 2015 : 17:58:49

Hi

Yes, unfortunately there are no smoothing algorithms in ImageEn. You could try porting spetric's polyline simplification code:

http://www.imageen.com/ieforum/topic.asp?whichpage=0.95&TOPIC_ID=1446#6437

Nigel
Xequte Software
www.xequte.com
nigel@xequte.com

spetric

Croatia
308 Posts

Posted - Mar 02 2015 : 02:00:57

Hi,

Object you want to draw is some kind of spiral ellipse. The best way to draw it is, to find somewhere on the web, an equation for such object and then calculate points of an object and save them as polyline (iekPolyline).

I've found a similar object on this page:

http://cp.literature.agilent.com/litweb/pdf/ads2008/gcc/ads2008/Second_Spiral_Example.html

In paragraph "Make an Elliptical Spiral" you'll find an explanation.

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