kicad-developers team mailing list archive

[Wayne Stambaugh <stambaughw@xxxxxxxxx>]

Before you start coding the 3D model plugin, please submit a design
document so it can be reviewed by other developers.  It doesn't have to
be formal.  A brief email with overview of the design will do.

On 2/17/2015 10:12 PM, Cirilo Bernardo wrote:
> Just an update to my previous message - I will implement IGES
> from scratch. The OpenCascade IGES implementation, like
> the STEP implementation, does not allow for the creation of
> correct hierarchical assemblies. The consequence of that defect
> is that every instance of every solid feature will be represented as
> a top-level entity. This will cause most if not all MCAD software to
> produce many thousands of native parts files for even trivial
> STEP/IGES assemblies. Even a simple board + QFP180 would be
> at least 182 files, which is absolutely not acceptable. Mechanical
> assemblies can be complex enough without trivial parts flooding
> the working directories.
> 
> - Cirilo
> 
> 
> On Wed, Feb 18, 2015 at 10:03 AM, Tomasz Wlostowski
> <tomasz.wlostowski@xxxxxxx <mailto:tomasz.wlostowski@xxxxxxx>> wrote:
> 
>     On 17.02.2015 22:30, Cirilo Bernardo wrote:
>     > Hi folks, I'm just letting everyone know that I've started development on
>     > a framework for the IGES model specification (and I've also purchased
>     > a copy of the STEP Model and Resources Library).
>     >
>     > Although we ultimately want to use STEP since this can eventually tie
>     > in to PSI-5, I believe IGES will take much less time to implement and
>     > is a quicker path to providing KiCad with a vital tool for industry.
> 
>     Cirilo,
> 
>     Do you plan to implement IGES support for Kicad from scratch? Because
>     exporting board geometry into either IGES/STEP using OpenCascade is IMHO
>     quite trivial and the only thing it depends on is just the 3D plugin
>     support...
> 
>     Tom
> 
> 
> 
> 
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