On 2011-02-07 15:45, Frank Warmerdam wrote:
On 11-02-07 06:25 AM, Jan Hartmann wrote:
Is there a place to put al the links on the stere-sterea subject
together? In
my experience, discussions about projection parameters tend to get
fragmented,
and even if a solution has been found, old errors
On 11-02-07 06:25 AM, Jan Hartmann wrote:
Is there a place to put al the links on the stere-sterea subject together? In
my experience, discussions about projection parameters tend to get fragmented,
and even if a solution has been found, old errors tend to show up time and
again. Sometimes, I ca
As far as the Dutch projection is concerned (EPSG:28992), Peter's
summary is correct: it first projects the ellipsoid to the sphere and
then projects the sphere stereographically to the plane. I don't know if
that is the way PROJ4 computes the transformation, but I can garantee
that using "ster
I've kept out of this debate so far - partly waiting until I had my copy of
Snyder's 'Working Manual' (USGS Professional Paper 1395) in front of me. I've
also got ESRI's 'Understanding Map Projections' by Kennedy and Kopp (my copy is
dated 2000; ESRI Press) to hand. I had a hazy memory that th
For the Dutch case: in 2005 the PROJ-definition for the Dutch national
system (which uses "Double Stereographic") was changed from "stere" to
"sterea". See the thread starting at:
http://lists.osgeo.org/pipermail/gdal-dev/2005-November/007045.html. The
thread refers to a bug ticket at
http://b
W dniu 05.02.2011 14:47, Hermann Peifer pisze:
On 05/02/2011 13:12, Even Rouault wrote:
I've just had a look, but not being neither Dutch nor a specialist
of (stereographic) projections, I don't feel competent enough to do
any action on it. Those tickets plus the reading of
http://udig.refract
Even,
Hermann might be right. From reading several sources:
http://gge.unb.ca/Pubs/TR46.pdf
http://www.manifold.net/doc/double_stereographic.htm
it seems that double stereographic is oblique stereographic as long as
the origin is non-equatorial or non-polar.
The actual denomination "Double Stereog
On 05/02/2011 13:12, Even Rouault wrote:
I've just had a look, but not being neither Dutch nor a specialist of
(stereographic) projections, I don't feel competent enough to do any action on
it. Those tickets plus the reading of
http://udig.refractions.net/files/docs/api-
geotools/org/geotools/re
Le samedi 05 février 2011 12:49:15, Hermann Peifer a écrit :
> On 05/02/2011 00:06, Even Rouault wrote:
> > Unrelated with GDAL 1.8.0. The issue was that the transformation between
> > OGC WKT and ESRI WKT didn't handle well the Oblique Stereographic
> > projection. Fixed in trunk in http://trac.os
On 05/02/2011 00:06, Even Rouault wrote:
Unrelated with GDAL 1.8.0. The issue was that the transformation between OGC
WKT and ESRI WKT didn't handle well the Oblique Stereographic projection.
Fixed in trunk in http://trac.osgeo.org/gdal/changeset/21627
Even,
Once upon a time I opened http://
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