[Proj] .NET / C# port of proj4

[Richard Greenwood]

On 6/8/06, Jason Askew <jason.askew at gmail.com> wrote:
>  C software can most definately be linked into C#.  But that crosses
> the mangaed/unmanaged code space, which isn't ideal.
>
> I can think of several advantages, however (and I'm sure someone can
> counter-match some disadvantages).
>
> First off, I don't feel bad putting code into c# / .NET becuase it is
> fairly portable with the Mono project covering the Unix/Linux side of
> things.
>
> The other is the vast simplifications I've encoutered and will
> continue to do so, I'm sure.
>
> Like the linked list for paralist and PJ_GRIDINFO...  they're gone,
> replaced with very simple storage classes using C# generics.  All the
> code to handle those linked list is gone, replaced mainly with a
> foreach loop.
>
> And string manipulation has gone from the world of pointers, strcpy,
> sprintf to actual human readable code =).
>
> File manipulation is easier.
>
> I digress.
>
> There is another side to this, this one is specific to windows...
> I've got a hardware accelerated DirectX GIS viewer prototype working,
> along with thin-plate-spline image warping (realtime!).  My end goal
> is a real-time hardware acclerated (there's a lot of horsepower in the
> GPUs these days) for doing image rectification/georeferencing.
>
> I probably don't need to explain the aspect that Proj4 is filling in
> such a piece of software.
>

Sounds pretty cool to me. Please do keep the list posted on your progress.

On the other side of the Universe, I've been porting some of Proj.4 to
JavaScript.

Rich

-- 
Richard Greenwood
richard.greenwood at gmail.com
www.greenwoodmap.com