[Gvsig_english] Oracle Arc´s

[Juan Lucas Dominguez Rubio]

Hello, just to further clarify this point:
 
This is the method currently used to generate a curve when gvSIG reads an Oracle Spatial curve:
 
http://java.sun.com/j2se/1.5.0/docs/api/java/awt/geom/GeneralPath.html#quadTo%28float,%20float,%20float,%20float%29
 
which is not the type of curve intended by Oracle Spatial. To achieve the correct type of curve, this method should be used:
 
http://java.sun.com/j2se/1.5.0/docs/api/java/awt/geom/GeneralPath.html#append%28java.awt.Shape,%20boolean%29
 
where Shape would be an Arc2D, but this needs some additional computation because Arc2D cannot be created directly from 3 points of it (as Oracle Spatial does)
 
 
As for bicubic splines, in which CAD formats are they defined? I don't know if gvSIG CAD drivers read them properly. Can you send a sample CAD file with one of those splines?
 
 
Regards,
 
Juan Lucas Domínguez Rubio
---
Prodevelop SL, Valencia (España)
Tlf.: 96.351.06.12 -- Fax: 96.351.09.68
http://www.prodevelop.es <http://www.prodevelop.es/> 
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________________________________

De: gvsig_internacional-bounces at listserv.gva.es en nombre de spatialjoe
Enviado el: vie 28/05/2010 10:57
Para: gvsig_internacional at listserv.gva.es
Asunto: Re: [Gvsig_english] Oracle Arc´s




Hi all,
now this sounds interesting.
I am not a programmer so I wonder if you could use or modify java2d to deal
with bicubic splines which are often used in CAD-drawings.
Can anyone comment on this subject?

Best,

Johannes
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