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2020-06-03Doc: add specific explanations for lat_ts for +proj=stere, also mentions ↵github-actions[bot]
+lat_0 and +k_0
2020-04-28createFromProjString(): handle default parameters of '+krovak +type=crs', ↵github-actions[bot]
and handle +czech correctly (fixes #2199)
2020-03-12Add note about orientation of control points in `chamb`github-actions[bot]
2020-03-11Doc: use 'ellipsoidal' to refer to the ellipsoidal formulation (to be ↵github-actions[bot]
opposed to the spherical one)
2020-03-10utm/ups: make sure to set errno to PJD_ERR_ELLIPSOID_USE_REQUIRED if es==0github-actions[bot]
2020-03-05Remove occurences of deprecated PROJ.4 syntax (#2021)Even Rouault
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
2020-03-01Add missing projection property tablesgithub-actions[bot]
2020-02-21Doc: advertize lat_0 for proj=nsperEven Rouault
2020-01-25Fix ingestion of +proj=cea with +k_0Even Rouault
Fixes #1881 Digging into the implementation of proj=cea, it appears that k_0 and lat_ts are intended to be exclusive ways of specifying the same concept. EPSG only models the variant using lat_s. So if k_0 is found and lat_ts is absent, compute the equivalent value of lat_ts from k_0. Note: k_0 should normally be in the [0,1] range. In case creative users would use something outside, we raise an exception, even if the cea implementation could potentially deal with any k_0 value. Hopefully this is a (reasonable) limitation that will address nominal use cases.
2019-12-09isea docs: Rewrite intro and reference to reflect actual projectionKristian Evers
Previous version was describing oea by mistake. It is also a projection by Snyder and the isea docs was based on the paper on the oea projection. This commit fixes that.
2019-12-07Add intro and table to isea doc pageKristian Evers
2019-11-25Doc: change 7.0 references to 6.3Even Rouault
2019-10-03ob_tran doc: fix/clarify semantics of o_lat_p/o_lon_pEven Rouault
This is a super confusing topic, but from experiments, and in particular with the example of Fairgrieve projection, o_lat_p and o_lon_p are the coordinates of the North pole of the unrotated geographic CRS expressed in the rotated geographic CRS. This is different from defining a 'new pole', which would be the coordinates of the rotated North pole expressed in the unrotated CRS.
2019-10-01Add rotation support to the HEALPix projection (#1638)Simon Schneegans
2019-09-16Update doc image for bertin1953Kristian Evers
2019-05-22UTM doc: Move +south and +approx parameters to optional sectionKristian Evers
2019-03-14Doc: State that +n is a required for param for urm5Kristian Evers
2019-03-11Doc: fix typo in ob_tranEven Rouault
2019-03-04Further corrections to BibTeXMike Taves
- Use names as published - Change Tobler2017 -> Tobler2018 - Change EPSGGuidanceNumber7Part2 -> IOGP2018
2019-02-28Miscellaneous documentation fixesMike Taves
- Corrections to BibTeX references, normalise format with JabRef - Typos in projinfo - Simplify update CITATION step
2019-02-24Doc: fix plotdefs.json, and aea and lcc descriptions, to take into account ↵Even Rouault
removal of proj_def.dat
2019-02-24Some improvements to the docs for tmerc and omerc (#1281)Thomas Knudsen
2019-02-23Doc: add minimal doumentation for misrsom projectionEven Rouault
2019-02-23Doc: add minimal doumentation for times projectionEven Rouault
2019-02-23Doc: add minimal documentation for sch projectionEven Rouault
2019-02-23Doc: add minimal doumentation for natearth2 projectionEven Rouault
2019-02-23Doc: add minimal doumentation for comill / Compact Miller projectionEven Rouault
2019-02-23Doc: add minimal documentation for patterson projectionEven Rouault
2019-02-11Make tmerc an alias for etmerc. (#1234)Kristian Evers
* Make tmerc an alias for etmerc This switches the algorithm used in tmerc to the Poder/Engsager tmerc algorithm. The original tmerc algorithm of Evenden/Snyder origin can still be accessed by adding the +approx flag when initializing a tmerc projection. The +approx flag can also be used when initializing UTM projections, in which case the Evenden/Snyder algorithm is used as well. If a tmerc projection is instantiated on a spherical earth the Evenden/Snyder algorithm is used as well since the Poder/Engsager algorithm is only defined on the ellipsoid. +proj=etmerc can still be instantiated for backwards compatibility reasons. Co-authored-by: Kristian Evers <kristianevers@gmail.com> Co-authored-by: Even Rouault <even.rouault@spatialys.com>
2018-11-19Doc: fix geos projection explanation about the appropriate value for the ↵Even Rouault
sweep parameter depending on the satellite (fixes #1179)
2018-11-04Add headings on tables where needed.Elliott Sales de Andrade
2018-10-15Add Tobler-Mercator projectionIvan Veselov
2018-10-11Merge pull request #1133 from Fil/bertin1953Kristian Evers
the Bertin 1953 projection
2018-10-11Merge remote-tracking branch 'osgeo/master' into bertin1953Kristian Evers
2018-10-11Merge pull request #1142 from sphynx/proj-lcc-2sp-michiganKristian Evers
Add Lambert Conic Conformal (2SP Michigan) projection
2018-10-11Support LCC 2SP Michigan projectionIvan Veselov
2018-10-09Fix typosEven Rouault
2018-09-24Req. changes for Bertin1953:Philippe Rivière
- classification - tests - coding style
2018-09-21the Bertin 1953 projectionPhilippe Rivière
2018-08-27Ensure correct axis ratio for images in documentation; move proj-string from ↵Juernjakob Dugge
image to caption
2018-08-22Adding ellipsoidal equations for the Equal Earth (#1101)Bojan Šavrič
2018-08-21Merge pull request #1095 from rouault/webmerc_fixesEven Rouault
Fixes for webmerc projection (fixes #1078)
2018-08-20Fixes for webmerc projection (fixes #1078)Even Rouault
This is intended to supersed https://github.com/OSGeo/proj.4/pull/1080 with a number of differences. What is kept from #1080 is not forcing the ellipsoid_params to be the one of a sphere. This is not required for correct coordinate computation and avoid lying on the various distorsion parameters. For better interoperability with EPSG, we also no longer force the lam0 parameter to 0, because https://www.epsg-registry.org/export.htm?gml=urn:ogc:def:method:EPSG::1024 has a provision for it, even if in practice they will always be zero phi0 should always be zero and is not used by the formulas. Another difference with the #1080 approach is that we do not force the WGS84 ellipsoid. Perhaps someone will use webmerc for another planet, even if that is a crazy idea...
2018-08-20Doc: remove wrong projection nameEven Rouault
2018-08-20Doc: fix a few warningsEven Rouault
2018-08-20Doc: add page for geoc conversion (fixes #1092)Even Rouault
2018-08-17Add version of introduction to eqearth docsKristian Evers
2018-08-17Implementation of Equal Earth projection (#1090)jdugge
Implement the Equal Earth projection (closes #1085)
2018-07-21Add projection parameters to all projection doc pagesKristian Evers
2018-07-20Add UTM docsKristian Evers
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