Just in case some are curious, there is the steps:
Lets use the following symbols in the remainding of this email:
[ ] denote an affine transform
< > denote the non-linear part of a projection
X' means the inverse of X
X*Y means "transform X followed by transform Y".
If X and
Oups I was totally wrong in one of my statement in my previous email.
Matthias spotted my error and my correction is below (after the 2nd quoted
text).
Matthias Basler a écrit :
> An interesting approach and certainly a good idea. I have two questions here.
>
> 1. Will this result in an
Martin wrote:
> Projections are non-linear operations. But there is a few linear
> operations performed before and after the non-linear ones.
[...]
> Those linear parts can be removed from the projection code and inserted
> into affine transforms to be applied before and after the projection.
> Be
The porting of GeoTools 2.x projections is finished, except Krovak which is in
progress right now. The main change compared to Proj4/GeoTools 2.x is described
below:
Projections are non-linear operations. But there is a few linear operations
performed before and after the non-linear ones.
* Befor
