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-Wmissing-prototypes -Wmissing-declarations
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unused variable
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-Wimplicit-fallthrough)
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Issue #490 update from geodesic routines from GeographicLib 1.47.
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Improve accuracy of area calculation (fixing a flaw introduced in
version 1.46). Changed files geodesic.[ch3], geodtest.c, geod.1.
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* PJ_horner: support for complex polynomia
Add Poder/Engsager dual complex Horner and corresponding test case.
Removed superfluous test code from original Poder/Engsager gen_pol
implementation.
* Trim code in response to a review by @kbevers
* Clean up a few cases of hard coded constants
enum pj_direction symbols replacing hard coded {-1, 0, 1} integer
constants
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Setup 4 configs: Linux/GCC, Linux/CLang, OSX CLang and mingw32
OSX allowed to fail, since it fails in the proj -VC step.
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Repairing tests that fails on OS X
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once in the pipeline which break tests on OSX. Moving the +ellps parameters to each +step of the pipelines seems to fix the OSX tests.
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+a replaced with +R
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Updated CMakeLists to only set the debug postfix if the target is being built
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Migrating the last doc pages from trac to proj4.org
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better with the rest of the Proj.4 documentation.
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Introducing the Horner polynomial evaluator also introduces the need for
very long +init:tag arguments (a n'th order 2D polynomium has
(n+1)(n+2)/2 coefficients, and n is typically in the range 5-10, i.e. up
to around 60 coefficients for each polynomium, and there are 4 polynomia
in a complete back/forward transformation set).
Hence, in this commit, along with the first part of the Horner code, the
code for reading +init files has been modified in a (for all practical
purposes) backwards compatible way, by making it possible to introduce
line continuations by escaping line breaks, i.e. preceding them with a
backslash.
An escaped line break works (as it would in TeX), by skipping all
following whitespace, including interspersed #-comments. This simple
extension makes it possible to create very long initialization elements
without losing track of the structure (cf. s45b.pol and pj_init_test.c
in the examples-directory for a demo).
The s45b.pol file was created by hand-editing the output of the software
doing the original constrained adjustment for the polynomial
coefficients. The simple adding of the “skip following whitespace and
comments” feature has made it possible to retain almost all metadata
from the source material.
This is considered very important, since 1) For the lack of a prior
common file format for geodetic polynomial coefficients, there is a good
chance that this will become THE standard, at least for the time being,
and 2) Without the metadata represented, it will be very hard for a
human to debug code involving a slightly misrepresented polynomium.
Due to the current architecture of the pj_init.c code (mostly around the
fill_buffer() function), it is next to impossible to implement the line
continuation functionality in full generality. Hence, it has been
necessary to limit this format extension to files smaller than 64 kB.
* Correction of spherical HEALpix test case
The first HEALpix test case in nad/testvarious is clearly intended to
invoke the spherical form of HEALpix.
It does, however, specify the spheroid using the +a=1 size parameter,
without specifying any shape parameter.
But since +no_defs is not specified either, a shape parameter is picked
up from the nad/proj_def.dat file (where ellps=WGS84 is given in the
<general> section).
It appears that this has not happened before I updated the pj_init code to support projection
pipelines (see below). I do, however, believe that the present behaviour is the correct one,
and rather than retrohacking the pj_init code, to (incorrectly, I
believe) reproduce the prior behaviour, I have corrected the test case
invocation in nad/testvarious to specify the spheroid using the +R=1
size parameter (which was already used in the following test case).
* Repair scaling of projections stomping on value of semimajor axis
* Workaround MSVC HUGE_VAL misimplementation.
The "return const err object" idiom (i.e. const <type> err =
{HUGE_VAL,...}; ... if (bad) return err) is problematic to implement
due to MSVC's misimplementation of HUGE_VAL as a non-const.
Hence, we need to run-time initialize these. In the pj_inv functions,
this was mistakenly done to the wrong object.
For pj_fwdobs/invobs and the remaining part of the obs-based API, this
is now worked around by providing functions returning a run time
HUGE_VAL initialized PJ_OBS or PJ_COO resp.
Obnoxious, but given MSVC's market penetration there is really not much
else we can do.
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Link to NEWS for Release Notes.
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Add a scripts/fix_typos.sh script and correct reported errors
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Found with AFL on gdalinfo on s_inverse(). s_forward() might also have the
same issue, so fixing that too.
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return a value
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* re-enter pipeline
The pipeline interface is now internally based on the pj_obs_api, which
simplifies the implementation significantly.
This is the first mock up - it compiles fine, but is currently untested
* pipeline code cleaned up
The pipeline code is now based on the PJ_OBS api (although you can still
invoke a pipeline through pj_fwd/pj_inv and their 3D brethren).
This has made it possible to eliminate scores of funky casts and
convoluted workarounds. The code is now way more straightforward and
mostly conforming with common C idioms..
Also, the proj.h / obs_api interface to the logging system has been
streamlined through the introduction of the pj_log_error, pj_log_debug,
and pj_log_trace functions.
* Geodesics + minor changes
First proj.h style interface to Charles Karney's geodesics code:
pj_lp_dist.
Also, renamed pj_apply -> pj_trans
* Extended Ellipsoidal Parameters
Second eccentricity, second and third flattening etc.
* Rename pj_debug_set -> pj_log_level
... and add self test code for PJ_pipeline
* Clean up missing pj_apply->pj_trans
* Clean up missing pj_obs_dist_2d rename
* pj_strerrno bug fixed. Some doc/comments added
(In response to a review by @kbevers)
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documentation format.
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(#445)
This commit reflects continued work on the new rationalized API with
geodetic extensions (see rationale in proj.h). It also reflects the
parallel work on the transformation pipeline reimplementation, by
introducing the PJ_cart cartesian/ellipsoidal converter.
See example/pj_obs_api_test.c for demo example code
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Eqc projection docs comes from Snyder's.
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I added the autogen.sh at the setup step. Autogen.sh requires libtool (libtoolize) so I added the line: BuildRequires: libtool
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* Pipeline preliminaries
Introducing the PJ_OBSERVATION data type as the basis for generic geodetic
transformations.
Also introducing the elements of a new minimalistic API focused on
generic geodetic transformations. This API is documented in the new
proj.h header, and is orthogonal (non-intrusive) wrt. the existing API
from proj_api.h
Finally added a large amount of comments to the somewhat intractable
projects.h, and extended the PJ object with a number of additional
ellipsoidal parameters of general geodetic usefulness.
The PJ elements fwdobs and invobs extend fwd3d and inv3d in a homologous
way to how fwd3d and inv3d extend fwd and inv.
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