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2020-10-23Minor fixes to tmerc documentationCharles Karney
2020-10-23Merge pull request #2392 from rouault/fi_nls_tinsEven Rouault
Database (and tweaks in core): Add Finland tinshift operations
2020-10-23Database: add Finland tinshift operationsEven Rouault
2020-10-23PROJStringFormatter::getUsedGridNames(): recognize +file= parameter of ↵Even Rouault
operation +proj=tinshift
2020-10-23Add logic to handle interpolationCRS in PROJBasedOperation and ↵Even Rouault
ConcatenatedOperation
2020-10-23Database: add interpolation_crs_auth_name and interpolation_crs_code columns ↵Even Rouault
to other_transformation table
2020-10-23Merge pull request #2388 from cffk/merc-doc-updateCharles Karney
Improve the documentation for the Mercator projection
2020-10-23merc.rst: change "origins from 15th cent" to 16th cent.Charles Karney
2020-10-23AuthorityFactory::createCoordinateOperation(): correctly compute accuracy of ↵Even Rouault
concatenated operation when there is a conversion step
2020-10-23Merge pull request #2390 from rouault/db_interleave_usageEven Rouault
Database: for clarity, put usage records after the object they are for
2020-10-23Database: for clarity, put usage records after the object they are forEven Rouault
2020-10-23Merge pull request #2389 from rouault/wkt_parse_implict_compound_crs_esriEven Rouault
WKT1_ESRI: fix import and export of CompoundCRS
2020-10-23WKT1_ESRI export: try to export Geographic3D and Projected3D CRS when we can ↵Even Rouault
find a corresponding ellipsoidal vertical datum
2020-10-23Database: import ESRI VERTCS that uses a (geodetic) datum to express ↵Even Rouault
ellipsoidal height
2020-10-23WKT1_ESRI export: generate VERTCS[...,DATUM[...,SPHEROID[]] syntax when ↵Even Rouault
ellipsoidal height is found
2020-10-22WKT1_ESRI export: export CompoundCRS as PROJCS[...],VERTCS[...] or ↵Even Rouault
GEOGCS[...],VERTCS[...]
2020-10-22WKT parser: accept ESRI VERTCS[...,DATUM[...,SPHEROID[]] syntax to express ↵Even Rouault
ellipsoidal heights
2020-10-22merc.rst: revert to ln instead of log.Charles Karney
Also define merc (resp. tmerc) as the conformal projection in which the equator (resp. a chosen meridan} projects to a straight line at constant scale.
2020-10-22WKT parser: accept implicit compoundCRS from ESRI WKT, like ↵Even Rouault
"PROJCS[...],VERTCS[...]"
2020-10-22WKTParser::createFromWKT(): minor adjustement for DATUM[],PRIMEM[] constructsEven Rouault
The WKT parser on the second part was called with "RIMEM[...]" (leading P skipped), which has no visible consequence, as we didn't care about the actual value of the keyword due to how we used it. But this is better fixing that. Only applies to recent master changes.
2020-10-22Flesh out the documentation for MercatorCharles Karney
This addresses item 1 in issue #2387 Things to note: * I made "editorial" changes to the text. The virtues and vices of Mercator are a hot topic. So check these out. (I judged that the text I replaced to be pretty misleading.) * I include the radius of the sphere/ellipsoid in the formulas (and I did this also for my mods for tmerc documentation). Surely this is better than leaving the reader to figure out how this is introduced. * I include the "old-style" (ca 18th century) formulas and the newer ones in terms of hyperbolic functions. The former may be the familiar ones, but the latter are better for computation (more succinct, more accurate, faster, preserve parity). * For the inverse ellipsoidal transformation, I just say that the formula for psi is inverted iteratively. This is probably sufficient, but it could be expanded later.
2020-10-21Merge pull request #2386 from rouault/improve_compoundcrs_identificationEven Rouault
Improve CompoundCRS identification and name morphing in VerticalCRS with ESRI WKT1
2020-10-20VerticalCRS: morph CRS and datum name using ESRI aliases on import from / ↵Even Rouault
export to WKT1:ESRI
2020-10-20Improve identification of compound CRS from ESRI WKT1, and for compound CRS ↵Even Rouault
whose result is not in the DB but whose horiz and vertical parts are known
2020-10-20projinfo: make '-q -o WKT1:ESRI' workEven Rouault
2020-10-20Orthographic projection: do not add f=0 to PROJ string if the ellipsoid is a ↵Even Rouault
sphere (fixes GDAL PDS4 tests)
2020-10-20test_c_api.cpp: reformatEven Rouault
2020-10-20Merge pull request #2363 from rouault/reactivate_s390xEven Rouault
.travis.yml: re-enable s390x and add arm64
2020-10-19C API: add proj_context_clone() (#2383)Alan D. Snow
Fixes #2382
2020-10-18Document the default poder_engsager algorithm for tmerc. (#2379)Charles Karney
* Document the default poder_engsager algorithm for tmerc. * Give exact expression for phi' in terms of phi * Aadd another datapoint on range of applicability + explanation for complex numbers. * Update tmerc figure with one reflecting poder/engsager algo. Courtesy of @hobu. Co-authored-by: Charles Karney <charles.karney@sri.com>
2020-10-18Merge pull request #2381 from rouault/fix_1453Even Rouault
Add multi-line PROJ string export capability, and use it by default in projinfo (unless --single-line is specified) (fixes #1543)
2020-10-17CompoundCRS with ellipsoidal height: make sure the vertical axis has ↵Even Rouault
'ellipsoid height' as name and 'h' as abbreviation
2020-10-16travis/install.sh: make output less verbose to hopefully avoid log size ↵Even Rouault
limitation on Mac
2020-10-16projinfo: restrict PROJ multiline output to coordinate operations onlyEven Rouault
2020-10-16projinfo.rst: fix typoEven Rouault
2020-10-16Add multi-line PROJ string export capability, and use it by default in ↵Even Rouault
projinfo (unless --single-line is specified) (fixes #1543)
2020-10-16Merge pull request #2370 from rouault/epsg10Even Rouault
Update to EPSG 10.003 and make code base robust to dealing with WKT CRS with DatumEnsemble
2020-10-15Merge pull request #2378 from rouault/enable_gigs_5104Even Rouault
test/gigs: 5104 is passing now. Enable it
2020-10-15test/gigs: 5104 is passing now. Enable itEven Rouault
2020-10-14Plot building Github Action (#2377)Howard Butler
* implement conda package building * paths * need libtool * PLATFORM check * point to my PROJ feedstock for now * point to PROJ repos * plot building and artifact upload * syntax * add proj conda package for plotting * retab * no doxygen * syntax * update docs Makefile * doc building * needs * consolidate doc/plots * plot updates * put updated plot output into docs * register spelling module * use v2 download-artifact * artifact upload
2020-10-14Add Conda package GitHub Action (#2373)Howard Butler
* implement conda package building * paths * need libtool * PLATFORM check * point to my PROJ feedstock for now * point to PROJ repos
2020-10-11C API: add proj_dynamic_datum_get_frame_reference_epoch()Even Rouault
2020-10-11Database query: add ↵Even Rouault
AuthorityFactory::ObjectType::DYNAMIC_GEODETIC_REFERENCE_FRAME and DYNAMIC_VERTICAL_REFERENCE_FRAME, and make corresponding C API work
2020-10-11Database: add a frame_reference_epoch column in vertical_datum to be able to ↵Even Rouault
handle dynamic vertical datums, and instanciate them properly from database
2020-10-10Merge pull request #2372 from rouault/datum_with_pmEven Rouault
WKT2:2019 import/export: handle DATUM (at top level object) with PRIMEM
2020-10-10WKT2:2019 import/export: handle DATUM (at top level object) with PRIMEMEven Rouault
This is a peculiarity of the WKT grammar. Despite ISO 19111 saying that the prime meridian is a component of the datum, in WKT, they are placed at the same level, for backward compatibility with earlier WKT versions. So handle exporting and importing that. The fix is only for situation where DATUM is the top level object (was working fine otherwise), which is a uncommon use case. And to limit the amount of issue, on export emit the prime meridian only if it is not Greenwich.
2020-10-09Merge pull request #2369 from rouault/fix_2368Even Rouault
promoteTo3D(): add a remark with the original CRS identifier (fixes #2368)
2020-10-09projinfo: fix usage formattingEven Rouault
2020-10-08promoteTo3D(): add a remark with the original CRS identifier (fixes #2368)Even Rouault
``` $ projinfo EPSG:32631 --3d WKT2:2019 string: PROJCRS["WGS 84 / UTM zone 31N", [ ...snip ] REMARK["Promoted to 3D from EPSG:32631"]] ```
2020-10-08Make GeographicCRS::is2DPartOf3D() work with DatumEnsembleEven Rouault
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