[Drawkit] DXF reader and DrawKit text objects

Allan allandaly at me.com
Thu Feb 5 22:12:35 PST 2009


Brad,

I would be more than happy to collaborate with you on the DXF reader  
framework. I will see what I can do to wrap up something for you to  
look at this weekend.

Conceptually all I've done is create a base DXFEntity class that holds  
the common entity properties and then also created a number of sub- 
classes -- one for each specific type of entity with properties that  
align to the AutoCAD DXF spec. These objects are created by a DXFModel  
object that parses apart the DXF file and creates an array of these  
entities. From there, any program can iterate through the array of  
entities and extract whatever info is needed from the entity  
properties. From looking at what you've done in SonoPlot I would think  
you could adapt to this structure pretty easily.

Seems to me that it would be polite to Graham to move emails along  
these lines off of the DrawKit list since this does not directly  
relate to DK.

-Allan



On Feb 5, 2009, at 2:31 PM, Brad Larson wrote:
>
> Sounds very interesting.  We're about to bring on someone here to  
> help us with software tasks, and one of the things I'd like for him  
> to work on is DXF import support.  If you'd like, I could have him  
> coordinate with you on this, on- or off-list.
>
>
> ______________________
> Brad Larson, Ph.D.
> SonoPlot, Inc.
> 3030 Laura Lane, Suite 120
> Middleton, WI 53562
>
>
>
>
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