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141 changes: 140 additions & 1 deletion doc/rst/source/changes.rst
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Expand Up @@ -9,11 +9,150 @@ Changelog
New Features in GMT 6.7
=======================

GMT 6.7 brings two new programs (a tsunami modeling supplement and a stand-alone updater), several new
plotting capabilities built on smooth color gradients (Gouraud shading), Bezier curves in the custom symbol
language, and a large number of bug fixes across the whole code base.

* Add quadratic (**Q**) and cubic (**B**) Bezier curve commands to the custom symbol
macro language, enabling smooth curves in ``.def`` symbol files. Both commands
extend the path from the previous **M** or **D** point; **Q** takes one control point
plus endpoint, **B** takes two control points plus endpoint. See
:ref:`Custom Symbols <custom-symbols>` for details.
:ref:`Custom Symbols <custom-symbols>` for details (`#9020 <https://github.com/GenericMappingTools/gmt/pull/9020>`_)
* Support reading GeoJSON files directly by converting them to the OGR_GMT format (`#8719 <https://github.com/GenericMappingTools/gmt/pull/8719>`_)
* New geological CPTs (Exxon88, GTS2004, GTS2012 eons/eras/periods/epochs/ages, GeeK07) in ``share/cpt/geological`` (`#8778 <https://github.com/GenericMappingTools/gmt/pull/8778>`_)
* Map embellishments (map scale **-L**, map inset **-D**, map rose **-Td**\|\ **m**) now have a default reference point
so that the *refpoint* argument may be omitted (`#9079 <https://github.com/GenericMappingTools/gmt/pull/9079>`_),
(`#9077 <https://github.com/GenericMappingTools/gmt/pull/9077>`_), (`#9074 <https://github.com/GenericMappingTools/gmt/pull/9074>`_)
* Allow the **-L**...\ **+f** fancy map scales also for Cartesian projections (`#9069 <https://github.com/GenericMappingTools/gmt/pull/9069>`_)
* Support the **-px**\|\ **y**\ ... modifiers that control which perspective walls are drawn (`#9047 <https://github.com/GenericMappingTools/gmt/pull/9047>`_)
* Let the PS format also be *croppable* from modern mode scripts (`#8992 <https://github.com/GenericMappingTools/gmt/pull/8992>`_)
* Support the ``@~`` (Symbol font toggle) escape in **-Sq** quoted line labels (`#8952 <https://github.com/GenericMappingTools/gmt/pull/8952>`_)
* Add Persian (**FA** and **FA_ASCII**) to the :term:`GMT_LANGUAGE` list (`#8808 <https://github.com/GenericMappingTools/gmt/pull/8808>`_)
* Ensure consistent long-name options for the placement of all map embellishments
* Change the default GMT data server to ``remotedata.generic-mapping-tools.org`` (`#9102 <https://github.com/GenericMappingTools/gmt/pull/9102>`_)
* New documentation chapter on how to create custom supplement libraries (`#9029 <https://github.com/GenericMappingTools/gmt/pull/9029>`_)

New Modules and Programs in GMT 6.7
-----------------------------------

* New supplement :doc:`/supplements/nswing/nswing`: a finite-differences tsunami (shallow-water) modeling
module (`#9093 <https://github.com/GenericMappingTools/gmt/pull/9093>`_)
* New stand-alone program :doc:`gmt_update` that updates a GMT installation between release cycles. It
downloads and verifies (SHA-256) the new files. Currently tested on Windows only (`#9032 <https://github.com/GenericMappingTools/gmt/pull/9032>`_)

Enhancements in GMT 6.7
-----------------------

* :doc:`plot`, :doc:`plot3d`: Add **-G+g** for vertex-based color gradients (Gouraud shading) in polygons.
Vertex colors may be given as *r g b*, as color names/hex/HSV/CMYK strings, or as *z* values mapped through
a CPT given with **-C** (`#8846 <https://github.com/GenericMappingTools/gmt/pull/8846>`_)
* :doc:`plot3d`: Add the long-requested **-SP** sphere symbol, rendered with a radial gradient and with
modifiers **+a** (light azimuth), **+e** (light elevation), **+f** (flat fill) and **+n** (outline only)
(`#8844 <https://github.com/GenericMappingTools/gmt/pull/8844>`_)
* :doc:`grdview`: Add the **-Qg** surface mode that paints the tiles with Gouraud gradients. It gives smoother
color transitions than **-Qs** and produces much smaller and faster PostScript files. Append **m** for mesh
lines and **a** to use the alternate tile diagonal (`#8848 <https://github.com/GenericMappingTools/gmt/pull/8848>`_)
* :doc:`plot`: Add *broken* (right-angle elbow) arrows. When **-A**\ **x**\|\ **y** is used together with
**-Sv**, the vector is drawn along two perpendicular legs (`#8967 <https://github.com/GenericMappingTools/gmt/pull/8967>`_)
* :doc:`colorbar`: Add option **-H** to stop the automatic scaling of the annotations (`#8810 <https://github.com/GenericMappingTools/gmt/pull/8810>`_)
* :doc:`mapproject`: Add the **s** flag to **-W** so that **-Ws** reports the map scale in the 1:xxxxx form (`#8781 <https://github.com/GenericMappingTools/gmt/pull/8781>`_)
* :doc:`text`: Add the **-D+f**\ *file* modifier to read the text offsets from a file (`#8965 <https://github.com/GenericMappingTools/gmt/pull/8965>`_)
* :doc:`psconvert`: Add the **-A+i** modifier that only reports the adjusted BoundingBox (width, height, x0, y0,
x1, y1 in cm) and exits, so externals can inquire the image size without rasterizing (`#8909 <https://github.com/GenericMappingTools/gmt/pull/8909>`_)
* :doc:`trend1d`: Add a **-T** option that can be used with **-Fxm**, like in :doc:`gmtregress` (`#8861 <https://github.com/GenericMappingTools/gmt/pull/8861>`_)
* :doc:`gmtregress`: Report the p-value in the **-Fp** output (`#8919 <https://github.com/GenericMappingTools/gmt/pull/8919>`_)
* :doc:`events`: Support the **-t** common option (`#8803 <https://github.com/GenericMappingTools/gmt/pull/8803>`_)
* :doc:`/supplements/seis/meca`: Let **-C** also recognize master CPTs (`#8966 <https://github.com/GenericMappingTools/gmt/pull/8966>`_)
* :doc:`/supplements/potential/grdgravmag3d`: Extend **-H** to also compute the magnetic declination and
inclination (`#9103 <https://github.com/GenericMappingTools/gmt/pull/9103>`_)
* :doc:`grdcontour`: Check that the grid has at least two rows/columns before contouring (`#9062 <https://github.com/GenericMappingTools/gmt/pull/9062>`_)
* :doc:`grdmath`: Do not error on an unused **-I** when **-R**\ *gridfile* is used (`#8994 <https://github.com/GenericMappingTools/gmt/pull/8994>`_)
* :doc:`psconvert`: Do not raise an error when ghostscript is not found in the registry or in GMT/bin, and swap
the order in which the ghostscript location is searched on Windows (`#9033 <https://github.com/GenericMappingTools/gmt/pull/9033>`_),
(`#9019 <https://github.com/GenericMappingTools/gmt/pull/9019>`_)

Bug fixes in GMT 6.7
--------------------

* Fix wrong annotation/gridline alignment for decimal-degree geographic annotations (`#9091 <https://github.com/GenericMappingTools/gmt/pull/9091>`_)
* Improve **-B** parsing for time axes so that fractional times with a trailing **T** are no longer truncated (`#9096 <https://github.com/GenericMappingTools/gmt/pull/9096>`_)
* Fix the secondary annotations being plotted twice (`#8969 <https://github.com/GenericMappingTools/gmt/pull/8969>`_)
* Fix ``-B00`` ignoring :term:`MAP_FRAME_TYPE`\ =\ *inside* (`#9053 <https://github.com/GenericMappingTools/gmt/pull/9053>`_)
* Fix an invalid annotation phase in :doc:`basemap` (`#9034 <https://github.com/GenericMappingTools/gmt/pull/9034>`_) and **-Ba -Bz**
in classic mode (`#8997 <https://github.com/GenericMappingTools/gmt/pull/8997>`_) and **-A** in modern mode (`#8980 <https://github.com/GenericMappingTools/gmt/pull/8980>`_)
* Fix the pen style in :term:`MAP_GRID_PEN` and :term:`MAP_FRAME_PEN` (`#9043 <https://github.com/GenericMappingTools/gmt/pull/9043>`_),
(`#9031 <https://github.com/GenericMappingTools/gmt/pull/9031>`_)
* :doc:`subplot`: Fix several **-F** modifier bugs (**+g**, **+w**, **+c**, **+f**) and let **-B+a** survive
in the panel annotation settings (`#9087 <https://github.com/GenericMappingTools/gmt/pull/9087>`_), (`#9085 <https://github.com/GenericMappingTools/gmt/pull/9085>`_)
* :doc:`movie`: Fix the **-M** frame number and the ``psconvert`` **-N** duplication when a title sequence
(**-E**) is used, and make a relative title-script path survive the internal ``chdir`` (`#9084 <https://github.com/GenericMappingTools/gmt/pull/9084>`_)
* :doc:`events`: Fix the text transparency ramp during the rise phase (**-Et+r**) for labels (`#9090 <https://github.com/GenericMappingTools/gmt/pull/9090>`_)
and the double filtering when the **-q** option is used (`#9086 <https://github.com/GenericMappingTools/gmt/pull/9086>`_)
* Fix the auto-legend using the wrong symbol for **-Sf** fault decorations (`#9080 <https://github.com/GenericMappingTools/gmt/pull/9080>`_)
* :doc:`plot`: Fix the **-M+r** modifier not setting the pen thickness (`#9070 <https://github.com/GenericMappingTools/gmt/pull/9070>`_),
a line not being plotted in polar projections (`#8984 <https://github.com/GenericMappingTools/gmt/pull/8984>`_), and a corrupt
PS when plotting duplicated annotated lines (`#9002 <https://github.com/GenericMappingTools/gmt/pull/9002>`_)
* Fix clipping of decorated lines where **-N** was ignored (`#8939 <https://github.com/GenericMappingTools/gmt/pull/8939>`_)
* Fix the failure to parse multi-word labels in **-Sq** in-header labels (`#8948 <https://github.com/GenericMappingTools/gmt/pull/8948>`_)
* :doc:`grdimage`: Fix the **-Jq** failure with **-R0/360/-90/90** (`#9051 <https://github.com/GenericMappingTools/gmt/pull/9051>`_),
(`#9056 <https://github.com/GenericMappingTools/gmt/pull/9056>`_), the map tiling with oblique projections (`#9041 <https://github.com/GenericMappingTools/gmt/pull/9041>`_),
**-A -R** not extending the image (`#9036 <https://github.com/GenericMappingTools/gmt/pull/9036>`_) and the **-C**...\ **+U**\ *k*
CPT scaling (`#8977 <https://github.com/GenericMappingTools/gmt/pull/8977>`_)
* :doc:`coast`: Fix the DCW inside/outside painting (`#9015 <https://github.com/GenericMappingTools/gmt/pull/9015>`_), the stray lines
with **-JE** (`#9040 <https://github.com/GenericMappingTools/gmt/pull/9040>`_), crude coastlines on very large oblique maps
(`#9037 <https://github.com/GenericMappingTools/gmt/pull/9037>`_), the offset after a **-p90** (`#8981 <https://github.com/GenericMappingTools/gmt/pull/8981>`_),
**-Ba** in polar stereographic (`#8973 <https://github.com/GenericMappingTools/gmt/pull/8973>`_), the water filling tiles
(`#8968 <https://github.com/GenericMappingTools/gmt/pull/8968>`_), a regression in painting country polygons
(`#8852 <https://github.com/GenericMappingTools/gmt/pull/8852>`_) and a crash when an invalid DCW code is passed (`#9000 <https://github.com/GenericMappingTools/gmt/pull/9000>`_)
* :doc:`text`: Fix the text clipping by the text box (`#9035 <https://github.com/GenericMappingTools/gmt/pull/9035>`_), (`#8996 <https://github.com/GenericMappingTools/gmt/pull/8996>`_),
the transparent outlines for superscripts (`#9046 <https://github.com/GenericMappingTools/gmt/pull/9046>`_) and the **-M** font colors (`#8995 <https://github.com/GenericMappingTools/gmt/pull/8995>`_)
* :doc:`colorbar`: Fix the vertical custom annotations in vertical color bars (`#9044 <https://github.com/GenericMappingTools/gmt/pull/9044>`_), the
colorbar annotations in insets, and a **-D** parsing failure when the *refpoint* check was skipped (`#8918 <https://github.com/GenericMappingTools/gmt/pull/8918>`_)
* :doc:`grdview`: Fix a clipping failure (`#9013 <https://github.com/GenericMappingTools/gmt/pull/9013>`_), the **-Qt** behavior in 3-D
views (`#8857 <https://github.com/GenericMappingTools/gmt/pull/8857>`_) and the default z-plane when only **-N** is set (`#8838 <https://github.com/GenericMappingTools/gmt/pull/8838>`_)
* Fix **-Xc -Yc** together with **-pz** failing to center the plot (`#9045 <https://github.com/GenericMappingTools/gmt/pull/9045>`_)
* :doc:`sample1d`: Fix NaNs in gap zones (`#9039 <https://github.com/GenericMappingTools/gmt/pull/9039>`_)
* :doc:`grdinterpolate`: Pick the correct layer from cube files holding more than one variable (`#9095 <https://github.com/GenericMappingTools/gmt/pull/9095>`_)
* :doc:`grdcontour`, :doc:`pscontour`: Fix non-annotated contours not being plotted with **-Ac1,c2,c3** (`#9007 <https://github.com/GenericMappingTools/gmt/pull/9007>`_)
* :doc:`grdmask`: Fix **-Rg** not recognizing longitudes larger than 180 (`#9001 <https://github.com/GenericMappingTools/gmt/pull/9001>`_)
* :doc:`grdblend`: Fix Windows-specific and general errors (`#8853 <https://github.com/GenericMappingTools/gmt/pull/8853>`_)
* :doc:`surface`: Fix the issue with Cartesian units in **-I** (`#8998 <https://github.com/GenericMappingTools/gmt/pull/8998>`_)
* :doc:`gmtselect`: Fix a missing intersection case (`#8970 <https://github.com/GenericMappingTools/gmt/pull/8970>`_)
* :doc:`gmtset`: Fix a lowercase **t** that should be **T** (`#9025 <https://github.com/GenericMappingTools/gmt/pull/9025>`_)
* :doc:`psconvert`: Restore the ability to do in-memory PS manipulations (`#9004 <https://github.com/GenericMappingTools/gmt/pull/9004>`_), fix the
ghostscript options passed via **-C** (`#8983 <https://github.com/GenericMappingTools/gmt/pull/8983>`_) and a spurious **-N** warning (`#8978 <https://github.com/GenericMappingTools/gmt/pull/8978>`_)
* :doc:`image`: Fix the **-B+t**\ *title* issue (`#9014 <https://github.com/GenericMappingTools/gmt/pull/9014>`_), (`#9022 <https://github.com/GenericMappingTools/gmt/pull/9022>`_)
and the **-I** inversion (`#8837 <https://github.com/GenericMappingTools/gmt/pull/8837>`_)
* :doc:`/supplements/seis/meca`: Fix the failure when the P and T axes have equal dips (`#8862 <https://github.com/GenericMappingTools/gmt/pull/8862>`_)
* :doc:`/supplements/seis/coupe`: Fix a bug in the cross-section computation (`#8804 <https://github.com/GenericMappingTools/gmt/pull/8804>`_)
* :doc:`/supplements/potential/grdflexure`: Fix the order of *rho_mantle* and *rho_crust* (`#8871 <https://github.com/GenericMappingTools/gmt/pull/8871>`_)
* Fix the direction of the *u* and *v* wind components (`#9005 <https://github.com/GenericMappingTools/gmt/pull/9005>`_) and make the counting
of directions consistent (`#8771 <https://github.com/GenericMappingTools/gmt/pull/8771>`_)
* Fix ``gmt_get_smallcircle`` for the equinox case (`#8938 <https://github.com/GenericMappingTools/gmt/pull/8938>`_)
* Fix the wrong coordinates shipped by NASA in the MODIS L3 files (`#8935 <https://github.com/GenericMappingTools/gmt/pull/8935>`_)
* Fix a buffer overflow (`#8928 <https://github.com/GenericMappingTools/gmt/pull/8928>`_), a double free in ``Free_Ctrl()`` (`#8951 <https://github.com/GenericMappingTools/gmt/pull/8951>`_),
a crash when reading a file with ``wesn`` but no **-R** (`#8860 <https://github.com/GenericMappingTools/gmt/pull/8860>`_) and several too-short
static buffers (`#8874 <https://github.com/GenericMappingTools/gmt/pull/8874>`_), (`#8876 <https://github.com/GenericMappingTools/gmt/pull/8876>`_), (`#8877 <https://github.com/GenericMappingTools/gmt/pull/8877>`_)
* Check that a file passed via **-G+l** has at least one numeric column (`#8798 <https://github.com/GenericMappingTools/gmt/pull/8798>`_)
* Fix the pen of the *whale* symbols in the users' symbol contributions (`#8954 <https://github.com/GenericMappingTools/gmt/pull/8954>`_)

Maintenance updates in GMT 6.7
------------------------------

* Update the projection formula, add tolerance and add tests for the Spilhaus projection (`#8870 <https://github.com/GenericMappingTools/gmt/pull/8870>`_)
* Fix the DNS mirror forward redirects (`#9068 <https://github.com/GenericMappingTools/gmt/pull/9068>`_)
* API: Add a bit flag to allow resetting ``GMT->init.runtime_bindir`` (`#9018 <https://github.com/GenericMappingTools/gmt/pull/9018>`_)
* API: Add a memory-image detection macro that accesses loaded image objects directly when acquiring
regions, bypassing ``GMT_Read_Data`` (`#8904 <https://github.com/GenericMappingTools/gmt/pull/8904>`_), (`#8901 <https://github.com/GenericMappingTools/gmt/pull/8901>`_)
* API: Increase the size of *argument* in ``GMT_Encode_Options()`` (`#8877 <https://github.com/GenericMappingTools/gmt/pull/8877>`_)
* DCW: Let country names also carry the continent code (externals only) (`#8873 <https://github.com/GenericMappingTools/gmt/pull/8873>`_)
* Use ``GDALGetDataTypeSizeBytes`` since ``GDALGetDataTypeSize`` is deprecated (`#8854 <https://github.com/GenericMappingTools/gmt/pull/8854>`_)
* Build against PCRE2 instead of the deprecated PCRE (`#8792 <https://github.com/GenericMappingTools/gmt/pull/8792>`_), (`#8974 <https://github.com/GenericMappingTools/gmt/pull/8974>`_)
* Silence many new warnings issued by the MSVC and other compilers (`#8770 <https://github.com/GenericMappingTools/gmt/pull/8770>`_), (`#8768 <https://github.com/GenericMappingTools/gmt/pull/8768>`_),
(`#8958 <https://github.com/GenericMappingTools/gmt/pull/8958>`_)
* Protect a call to ``fstat`` with a ``#ifdef _WIN64`` (`#8826 <https://github.com/GenericMappingTools/gmt/pull/8826>`_)
* Many documentation improvements, link updates and typo fixes throughout, plus updated baseline images
and CI workflow improvements (DVC caching, welcome bot migration, static data server for tests)

New Features in GMT 6.6
=======================
Expand Down