PROJ/docs/source/operations/projections, branch 7.1.1

Doc: add specific explanations for lat_ts for +proj=stere, also mentions +lat_0 and +k_0 (#2255)

2020-06-03T13:10:55+00:00

Refs #2254

Implement wink2 inverse by generic inversion of forward method

2020-05-28T11:51:28+00:00

- Move the generic method initiated from adams_ws2 to a
  pj_generic_inverse_2d() method
- Use it in adams_ws2
- Use it in wink2

Fixes https://github.com/qgis/QGIS/issues/35512

Merge pull request #2230 from rouault/limit_peirce_q_to_northern_hemisphere

2020-05-24T18:03:48+00:00

Limit peirce_q to northern hemisphere, and fix images for adams_hemi, guyou and peirce_q

Zone Definition Fixes for igh_o projection (#2233)

2020-05-19T15:22:04+00:00

- Central lon for zone 2 should be -d10, not d10
- Extra lobe was missing for zone 11
- New figure generated
- New test suite values generated

Implemented IGH Oceanic View (#2226)

2020-05-19T00:04:04+00:00

- The current implementation of the Interrupted Goode Homolosine
  projection emphasizes land area. This is a compliment projection
  that emphasizes ocean area.
- A value of lon0=-160 produces a reasonable real-world map.

plotdefs.json: update validty area for adams_hemi, guyou and peirce_q, and regenerate associated images

2020-05-16T15:50:15+00:00

createFromProjString(): handle default parameters of '+krovak +type=crs', and handle +czech correctly (fixes #2199) (#2200)

2020-04-28T09:36:29+00:00

* createFromProjString(): handle default parameters of '+krovak +type=crs', and handle +czech correctly (fixes #2199)

* Doc: add default values for Krovak

Merge pull request #2030 from rouault/auto_sel_of_tmerc_alg

2020-04-16T17:57:52+00:00

tmerc/utm: add a +algo=auto/evenden_snyder/poder_engsager parameter

Implement an iterative inverse method for +proj=adams_ws2

2020-04-16T15:47:18+00:00

Add square conformal projections from libproject

2020-04-15T07:10:01+00:00

This commit adds five new projections to PROJ:

    adams_hemi: Adams Hemisphere in a Square
    adams_wsI:  Adams World in a Square I
    adams_wsII: Adams World in a Square II
    guyou:      Guyou
    peirce_q:   Pierce Quincuncial

The code originates from Gerry Evendens libproject and has been adapted
to work with modern PROJ. To ensure that the modified code works as
intended extensive test data has been created using libproject and
sproj so that no errors occured when porting from libproject to PROJ.
The test data is wrapped in a gie files. All test cases reproduce
results from libproject at the mm level.