Changelog

Release v0.5.0 (2021/10/29)

Highlights

🎉 Fifth minor release of PyGMT 🎉
Add support for Python 3.10 (#1591)

New Features

Wrap gmtselect (#1429)
Wrap project (#1122)
Wrap grdvolume (#1299)
Add function to import seafloor crustal age dataset (#1471)
Wrap sphinterpolate (#1418)
Wrap sph2grd (#1434)
Wrap nearneighbor (#1379)
Wrap grd2xyz (#1284)
Wrap blockmode (#1456)
Wrap sphdistance (#1383)
Add pygmt.load_dataarray function (#1439)
Wrap grdproject (#1377)
Wrap grdsample (#1380)
Wrap xyz2grd (#636)

Enhancements

Expand table-like input options for Figure.contour (#1531)
Expand table-like input options for pygmt.surface (#1455)
Raise GMTInvalidInput exception when required z is missing (#1478)
Add support for passing pathlib.Path objects as filenames (#1382)
Allow passing a list to the ‘incols’ parameter for blockm, grdtrack and text (#1475)
Add the ‘incols’ alias to info (#1476)
Plot square or cube by default for OGR/GMT files with Point/MultiPoint types (#1438)
Plot square or cube by default for geopandas Point/MultiPoint types (#1405)
Add area_thresh to COMMON_OPTIONS (#1426)
Add function to import Mars dataset (#1420)
Add function to import hotspot dataset (#1386)

Deprecations

pygmt.blockm*: Reorder input parameters to ‘data, x, y, z’ (#1565)
pygmt.surface: Reorder input parameters to ‘data, x, y, z’ (#1562)
Figure.contour: Reorder input parameters to ‘data, x, y, z’ (#1561)
Figure.plot3d: Reorder input parameters to ‘data, x, y, z’ (#1560)
Figure.plot: Reorder input parameters to “data, x, y” (#1547)
Figure.rose: Reorder input parameters to ‘data, length, azimuth’ (#1546)
Figure.wiggle: Reorder input parameter to ‘data, x, y, z’ (#1548)
Figure.histogram: Deprecate parameter “table” to “data” (remove in v0.7.0) (#1540)
pygmt.info: Deprecate parameter “table” to “data” (remove in v0.7.0) (#1538)
Figure.wiggle: Deprecate parameter “columns” to “incols” (remove in v0.7.0) (#1504)
pygmt.surface: Deprecate parameter “outfile” to “outgrid” (remove in v0.7.0) (#1458)
NEP29: Set minimum required version to NumPy 1.18+ (#1430)

Bug Fixes

Allow GMTDataArrayAccessor to work on sliced datacubes (#1581)
Allow non-string color when input data is a matrix or a file for plot and plot3d (#1526)
Raise RuntimeWarning instead of an exception for irregular grid spacing (#1530)
Raise an error for zero increment grid (#1484)

Documentation

Update region and projection standard docstrings (#1510)
Document gmtwhich -Ga option to download to appropriate cache folder (#1554)
Add a gallery example showing the usage of text symbols (#1522)
Add gallery example for grdgradient (#1428)
Add gallery example showing usage of line objects from a geopandas.GeoDataFrame (#1474)
Add missing aliases to pygmt.grdgradient (#1515)
Add missing aliases to pygmt.sphdistance (#1516)
Add missing aliases to pygmt.blockmean and pygmt.blockmedian (#1500)
Add missing aliases to pygmt.Figure.wiggle (#1498)
Add missing aliases to pygmt.Figure.velo (#1497)
Add missing aliases to pygmt.surface (#1501)
Add missing aliases to pygmt.Figure.plot3d (#1503)
Add missing aliases to pygmt.grdlandmask (#1423)
Add missing aliases to pygmt.grdtrack (#1499)
Add missing aliases to pygmt.Figure.plot (#1502)
Add gallery example for grdlandmask (#1469)
Add missing aliases to pygmt.Figure.text (#1448)
Add missing aliases to pygmt.Figure.histogram (#1451)
Add missing alias to pygmt.Figure.legend (#1453)
Add missing aliases to pygmt.Figure.rose (#1452)
Add missing alias to pygmt.Figure.grdview (#1450)
Add missing aliases to pygmt.Figure.image.py (#1449)
Add missing common options to contour (#1446)

Maintenance

Add support Python 3.10 (#1591)
Make IPython partially optional on CI to increase test coverage of figure.py (#1496)
Use mamba to install Continuous Integration dependencies (#841)
Remove deprecated codecov dependency from CI (#1494)
Add the use of Flake8 to check examples and fix warnings (#1477)

Contributors

Release v0.4.1 (2021/08/07)

Highlights

🎉 Patch release with multiple gallery examples 🎉
Change default GitHub branch name from “master” to “main” to increase inclusivity (#1360)
Add a “PyGMT Team” page (#1308)

Enhancements

Add common alias “verbose” (V) to grdlandmask and savefig (#1343)

Bug Fixes

Change invalid input conditions in grdtrack (#1376)
Fix bug so that x2sys_cross accepts dataframes with NaN values (#1369)

Documentation

Combine documentation and compatibility sections in README.rst (#1415)
Add a gallery example for grdclip (#1396)
Add a gallery example for different colormaps in subplots (#1394)
Add a gallery example for the contour method (#1387)
Add a gallery example showing individual custom symbols (#1348)
Add common option aliases to COMMON_OPTIONS in decorators.py (#1407)
Add return statement to grdclip and grdgradient docstring (#1390)
Restructure contributing.md to separate docs/general info from contributing code section (#1339)

Maintenance

Add tomli as a dependency in GMT Dev Tests (#1401)
NEP29: Test PyGMT on NumPy 1.21 (#1355)

Contributors

Release v0.4.0 (2021/06/20)

Highlights

🎉 Fourth minor release of PyGMT 🎉
Add tutorials for datetime data (#1193) and plotting vectors (#1070)
Support tab auto-completion in Jupyter (#1282)
Minimum required GMT version is now 6.2.0 or newer (#1321)

New Features

Wrap blockmean (#1092)
Wrap grdclip (#1261)
Wrap grdfill (#1276)
Wrap grdgradient (#1269)
Wrap grdlandmask (#1273)
Wrap histogram (#1072)
Wrap rose (#794)
Wrap solar (#804)
Wrap velo (#525)
Wrap wiggle (#1145)
Add new function to load fractures sample data (#1101)
Allow load_earth_relief() to load the original land-only 01s or 03s SRTM tiles (#976)
Handle geopandas and shapely geometries via geo_interface link (#1000)
Support passing string type numbers, geographic coordinates and datetimes (#975)

Enhancements

Allow passing an array as intensity for plot3d (#1109)
Allow passing an array as intensity for plot (#1065)
Allow passing xr.DataArray as shading to grdimage (#750)
Allow x/y/z input for blockmedian and blockmean (#1319)
Allow pygmt.which to accept a list of filenames as input (#1312)
Refactor blockm* to use virtualfile_from_data and improve i/o (#1280)
Refactor grdtrack to use virtualfile_from_data and improve i/o to pandas.DataFrame (#1189)
Add parameters to histogram (#1249)
Add alias ‘aspatial’ to methods blockmedian, info, plot, plot3d, surface (#1090)
Add alias ‘registration’ to methods blockmean, info, grdfilter, surface (#1089)
Add incols to COMMON_OPTIONS, blockmean, and blockmedian (#1300)
Improve Figure.show for displaying previews in Jupyter notebooks and external viewers (#529)
Let Figure.savefig recommend .eps or .pdf when .ps extension is used (#1307)

Deprecations

Figure.contour: Deprecate parameter “columns” to “incols” (remove in v0.6.0) (#1303)
Figure.plot: Deprecate parameter “sizes” to “size” (remove in v0.6.0) (#1254)
Figure.plot: Deprecate parameter “columns” to “incols” (remove in v0.6.0) (#1298)
Figure.plot3d: Deprecate parameter “sizes” to “size” (remove in v0.6.0) (#1258)
Figure.plot3d: Deprecate parameter “columns” to “incols” (remove in v0.6.0) (#1040)
Figure.rose: Deprecate parameter “columns” to “incols” (remove in v0.6.0) (#1306)
NEP29: Set minimum required versions to NumPy 1.17+ and Python 3.7+ (#1074)
Raise a warning for the use of short-form parameters when long-forms are available (#1316)

Bug Fixes

Allow pandas.Series inputs to fig.histogram and pygmt.info (#1329)
Explicitly use netcdf4 engine in xarray.open_dataarray to read grd files (#1264)
Let Figure.savefig support filenames with spaces (#1116)
Let Figure.show(method=’external’) work well in Python scripts (#1062)

Documentation

Add histogram gallery example (#1272)
Add a gallery example showing individual basic geometric symbols (#1211)
Specify rectangle’s width and height via style parameter in multi-parameter symbols example (#1325)
Update the inset gallery example (#1287)
Add categorical colorbars for plot, plot3d and line colors gallery examples (#1267)
Apply NIST SI unit convention to some gallery examples (#1194)
Use colorblind-friendly colors in the scatter plots gallery example (#1013)
Added documentation for three oblique mercator projections (#1251)
Add a list of external PyGMT resources (#1210)
Complete documentation for grdtrack (#1190)
Add projection and region to grdview docstring (#1295)
Add common alias spacing (-I) for specifying grid increments (#1288)
Standardize docstrings for table-like inputs (#1186)
Clarify that the “transparency” parameter in plot/plot3d/text can be 1d array (#1265)
Clarify that the “color” parameter in plot/plot3d can be 1d array (#1260)
Clarify interplay of spacing and per_column in info (#1127)
Remove the “full test” section from installation guide (#1206)
Clarify position of deprecate_parameter decorator to be above use_alias (#1302)
Add guidelines for managing issues to maintenance.md (#1301)
Add alias name convention to CONTRIBUTING.md (#1256)
Move contributing guide details to website and rename two sections (#1335)
Update the check_figures_equal testing section in CONTRIBUTING.md (#1108)
Revise Pull Request review process in CONTRIBUTING.md (#1119)

Maintenance

Add a workflow to upload baseline images as a release asset (#1317)
Add regression test for grdimage plotting an xarray.DataArray grid subset (#1314)
Add download_test_data to download data files used in tests (#1310)
Remove xfails and workarounds for datetime inputs into pygmt.info (#1236)
Improve the DVC image diff workflow to support side-by-side comparison of modified images (#1219)
Document the deprecation policy and add the deprecate_parameter decorator to deprecate parameters (#1160)
Convert booleans arguments in build_arg_string, not in kwargs_to_strings (#1125)
Create Github Action workflow for reporting DVC image diffs (#1104)
Update “GMT Dev Tests” workflow to test macOS-11.0 and pre-release Python packages (#1105)
Initialize data version control for managing test images (#1036)
Separate workflows for running tests and building documentation (#1033)

Release v0.3.1 (2021/03/14)

Highlights

🎉 Multiple bug fixes and an improved gallery 🎉
Reorganized gallery examples into new categories (#995)
Added gallery examples for plotting vectors (#950, #890)
Last version to support GMT 6.1.1, future PyGMT versions will require GMT 6.2.0 or newer

Enhancements

Support passing a sequence to the spacing parameter of pygmt.info() (#1031)

Bug Fixes

Fix issues in loading GMT’s shared library (#977)
Let pygmt.info load datetime columns into a str dtype array (#960)
Check invalid combinations of resolution and registration in load_earth_relief() (#965)
Open figures using the associated application on Windows (#952)
Fix bug that stops Figure.coast from plotting with only dcw parameter (#910)

Documentation

Add a gallery example showing different line front styles (#1022)
Add a gallery example for a double y-axes graph (#1019)
Add a gallery example of inset map showing a rectangle region (#1020)
Add a gallery example to show coloring of points by categories (#1006)
Add gallery example showing different polar projection use cases (#955)
Add underscore guideline to CONTRIBUTING.md (#1034)
Add instructions to upgrade installed PyGMT version (#1029)
Improve the docstring of the pygmt package (#1016)
Add common alias coltypes (-f) for specifying i/o data types (#994)
Expand documentation linking in CONTRIBUTING.md (#802)
Write changelog in markdown using MyST (#941)
Update web font to Atkinson Hyperlegible (#938)
Improve the gallery example for datetime inputs (#919)

Maintenance

Refactor plot and plot3d to use virtualfile_from_data (#990)
Explicitly exclude unnecessary files in source distributions (#999)
Refactor grd modules to use virtualfile_from_data (#992)
Refactor info and grdinfo to use virtualfile_from_data (#961)
Onboarding maintainer checklist (#773)
Add comprehensive tests for pygmt.clib.loading.clib_full_names (#872)
Add a workflow checking links in plaintext and HTML files (#634)
Remove nbsphinx extension (#931)
Improve the error message for loading an old version of the GMT library (#925)
Move requirements-dev.txt dependencies to environment.yml (#812)
Ensure proper non-dev version string when publishing to PyPI (#900)
Run tests in a single CI job (Ubuntu + Python 3.9) for draft PRs (#906)

Contributors

Release v0.3.0 (2021/02/15)

Highlights

🎉 Third minor release of PyGMT 🎉
Wrap inset (#788) for making overview maps and subplot (#822) for multi-panel figures
Apply standardized formatting conventions (#775) across most documentation pages
Drop Python 3.6 support (#699) so PyGMT now requires Python 3.7 or newer

New Features

Wrap grd2cpt (#803)
Let Figure.text support record-by-record transparency (#716)
Provide basic support for FreeBSD (#700, #878)

Enhancements

Let load_earth_relief support the ‘region’ parameter for all resolutions (#873)
Improve how PyGMT finds the GMT library (#702)
Add common alias panel (-c) to all plotting functions (#853)
Add aliases dcw (#765) and lakes (#781) to Figure.coast
Add alias shading to Figure.colorbar (#752)
Add alias annotation (A) to Figure.contour (#883)
Wrap Figure.grdinfo aliases (#799)
Add aliases frame and cmap to Figure.colorbar (#709)
Add alias frame to Figure.grdview (#707)
Improve the error message when PyGMT fails to load the GMT library (#814)
Add GMTInvalidInput error to Figure.coast (#787)

Documentation

Add authorship policy (#726)
Update PyGMT development installation instructions (#865)
Add a tutorial for adding a map title (#720)
Add a tutorial for plotting Earth relief (#712)
Add a tutorial for 3D perspective image (#743)
Add a tutorial for contour maps (#705)
Add a tutorial for plotting lines (#741)
Add a tutorial for the region argument (#800)
Add a gallery example for datetime inputs (#779)
Add a gallery example for Figure.logo (#823)
Add a gallery example for plotting multi-parameter symbols (#772)
Add a gallery example for Figure.image (#777)
Add a gallery example for setting line colors with a custom CPT (#774)
Add more gallery examples for projections (#761, #721, #757, #723, #762, #742, #728, #727)
Update the docstrings in the plotting modules (#881)
Update the docstrings in the non-plotting modules (#882)
Update Figure.coast docstrings (#798)
Update the docstrings of common aliases (#862)
Add sphinx-copybutton extension to easily copy codes (#838)
Choose the best figures in tutorials for thumbnails (#826)
Update axis label explanation in frames tutorial (#820)
Add guidelines for types of tests to write (#796)
Recommend using SI units in documentation (#795)
Add a table for compatibility of PyGMT with Python and GMT (#763)
Add description for the “columns” arguments (#766)
Add a table of the available projections (#753)
Add projection description for Lambert Azimuthal Equal-Area (#760)
Change text when GMTInvalidInput error is raised for basemap (#729)

Bug Fixes

Fix a bug of Figure.text when “text” is a non-string array (#724)
Fix the error message when IPython is not available (#701)

Maintenance

Add dependabot to keep GitHub Actions up to date (#861)
Skip workflows in PRs if only non-source-code files are changed (#839)
Add slash command ‘/test-gmt-dev’ to test GMT dev version (#831)
Check files for UNIX-style line breaks and 644 permission (#736)
Rename vercel configuration file from now.json to vercel.json (#738)
Add a CI job testing GMT master branch on Windows (#756)
Migrate documentation deployment from Travis CI to GitHub Actions (#713)
Move Figure.meca into a standalone module (#686)
Move plotting functions to separate modules (#808)
Move non-plotting modules to separate modules (#832)
Add isort to sort imports alphabetically (#745)
Convert relative imports to absolute imports (#754)
Switch from versioneer to setuptools-scm (#695)
Add docformatter to format plain text in docstrings (#642)
Migrate pytest configurations to pyproject.toml (#725)
Migrate coverage configurations to pyproject.toml (#667)
Show test execution times in pytest (#835)
Add tests for grdfilter (#809)
Add tests for GMTInvalidInput of Figure.savefig and Figure.show (#810)
Add args_in_kwargs function (#791)
Add a Makefile target ‘distclean’ for deleting project metadata files (#744)
Add a test for Figure.basemap map_scale (#739)
Use args_in_kwargs for Figure.basemap error raising (#797)

Contributors

Release v0.2.1 (2020/11/14)

Highlights

🎉 Patch release with more tutorials and gallery examples! 🎉
🐍 Support Python 3.9 (#689)
📹 Add Liam’s ROSES 2020 PyGMT talk (#643)

New Features

Wrap plot3d (#471)
Wrap grdfilter (#616)

Enhancements

Allow np.object dtypes into virtualfile_from_vectors (#684)
Let plot() accept record-by-record transparency (#626)
Refactor info to allow datetime inputs from xarray.Dataset and pandas.DataFrame tables (#619)

Tutorials & Gallery

Add tutorial for pygmt.config (#482)
Add an example for different line styles (#604, #664)
Add a gallery example for varying transparent points (#654)
Add tutorial for pygmt.Figure.text (#480)
Add an example for scatter plots with auto legends (#607)
Improve colorbar gallery example (#596)

Documentation Improvements

doc: Fix the description of grdcontour -G option (#681)
Refresh Code of Conduct from v1.4 to v2.0 (#673)
Add PyGMT Zenodo BibTeX entry to main README.md (#678)
Complete most of documentation for makecpt (#676)
Complete documentation for plot (#666)
Add “no_clip” to plot, text, contour and meca (#661)
Add common alias “verbose” (V) to all functions (#662)
Improve documentation of Figure.logo() (#651)
Add mini-galleries for methods and functions (#648)
Complete documentation of grdimage (#620)
Add common alias perspective (p) for plotting 3D illustrations (#627)
Add common aliases xshift (X) and yshift (Y) (#624)
Add common alias cores (x) for grdimage and other multi-threaded modules (#625)
Enable switching different versions of documentation (#621)
Add common alias transparency (-t) to all plotting functions (#614)

Bug Fixes

Disallow passing arguments like -XNone to GMT (#639)

Maintenance

Migrate PyPI release to GitHub Actions (#679)
Upload artifacts showing diff images on test failure (#675)
Add slash command “/format” to automatically format PRs (#646)
Add instructions to run specific tests (#660)
Add more tests for xarray grid shading (#650)
Refactor xfail tests to avoid storing baseline images (#603)
Add blackdoc to format Python codes in docstrings (#641)
Check and lint sphinx configuration file doc/conf.py (#630)
Improve Makefile to clean __pycache__ directory recursively (#611)
Update release process and checklist template (#602)

Contributors

Release v0.2.0 (2020/09/12)

Highlights

🎉 Second minor release of PyGMT 🎉
Minimum required GMT version is now 6.1.1 or newer (#577)
Plotting xarray grids using grdimage and grdview should not crash anymore and works for most cases (#560)
Easier time-series plots with support for datetime-like inputs to plot (#464) and the region argument (#562)

New Features

Wrap GMT_Put_Strings to pass str columns into GMT C API directly (#520)
Wrap meca (#516)
Wrap x2sys_init and x2sys_cross (#546)
Let grdcut() accept xarray.DataArray as input (#541)
Initialize a GMTDataArrayAccessor (#500)

Enhancements

Allow passing in pandas dataframes to x2sys_cross (#591)
Sensible array outputs for pygmt info (#575)
Allow pandas.DataFrame table and 1D/2D numpy array inputs into pygmt.info (#574)
Add auto-legend feature to grdcontour and contour (#568)
Add common alias verbose (V) (#550)
Let load_earth_relief() support all resolutions and optional subregion (#542)
Allow load_earth_relief() to load pixel or gridline registered data (#509)

Documentation

Link to try-gmt binder repository (#598)
Improve docstring of data_kind() to include xarray grid (#588)
Improve the documentation of Figure.shift_origin() (#536)
Add shading to grdview gallery example (#506)

Bug Fixes

Ensure surface and grdcut loads GMTDataArray accessor info into xarray (#539)
Raise an error if short- and long-form arguments coexist (#537)
Fix the grdtrack example to avoid crashes on macOS (#531)
Properly allow for either pixel or gridline registered grids (#476)

Maintenance

Add a test for xarray shading (#581)
Remove expected failures on grdview tests (#589)
Redesign check_figures_equal testing function to be more explicit (#590)
Cut Windows CI build time in half to 15 min (#586)
Add a test for Session.write_data() writing netCDF grids (#583)
Add a test to make sure shift_origin does not crash (#580)
Add testing.check_figures_equal to avoid storing baseline images (#555)
Eliminate unnecessary jobs from Travis CI (#567) and Azure Pipelines (#513)
Improve the workflow to test both GMT master (#485) and 6.1 branches (#554)
Automatically cancel in-progress CI runs of old commits (#544)
Remove the Stickler CI configuration file (#538), run style checks using GitHub Actions (#519)
Cache GMT remote data as artifacts on GitHub (#530)
Let pytest generate both HTML and XML coverage reports (#512)
Run Continuous Integration tests on GitHub Actions (#475)

Contributors

Release v0.1.2 (2020/07/07)

Highlights

Patch release in preparation for the SciPy 2020 sprint session
Last version to support GMT 6.0, future PyGMT versions will require GMT 6.1 or newer

New Features

Wrap grdcut (#492)
Add show_versions() function for printing debugging information used in issue reports (#466)

Enhancements

Change load_earth_relief()’s default resolution to 01d (#488)
Enhance text with extra functionality and aliases (#481)

Documentation

Add gallery example for grdview (#502)
Turn all short aliases into long form (#474)
Update the plotting example using the colormap generated by pygmt.makecpt (#472)
Add instructions to view the test coverage reports locally (#468)
Update the instructions for testing pygmt install (#459)

Bug Fixes

Fix a bug when passing data to GMT in Session.open_virtual_file() (#490)

Maintenance

Temporarily expect failures for some grdcontour and grdview tests (#503)
Fix several failures due to updates of earth relief data (#498)
Unpin pylint version and fix some lint warnings (#484)
Separate tests of gmtinfo and grdinfo (#461)
Fix the test for GMT_COMPATIBILITY=6 (#454)
Update baseline images for updates of earth relief data (#452)
Simplify PyGMT Release process (#446)

Contributors

Release v0.1.1 (2020/05/22)

Highlights

🏁Windows users rejoice, this bugfix release is for you!🏁
Let PyGMT work with the conda GMT package on Windows (#434)

Enhancements

Handle setting special parameters without default settings for config (#411)

Documentation

Update install instructions (#430)
Add PyGMT AGU 2019 poster to website (#425)
Redirect www.pygmt.org to latest, instead of dev (#423)

Bug Fixes

Set GMT_COMPATIBILITY to 6 when pygmt session starts (#432)
Improve how PyGMT finds the GMT library (#440)

Maintenance

Finalize fixes on Windows test suite for v0.1.1 (#441)
Cache test data on Azure Pipelines (#438)

Contributors

Release v0.1.0 (2020/05/03)

Highlights

🎉 First official release of PyGMT 🎉
Python 3.8 is now supported (#398)
PyGMT now uses the stable version of GMT 6.0.0 by default (#363)
Use sphinx-gallery to manage examples and tutorials (#268)

New Features

Wrap blockmedian (#349)
Add pygmt.config() to change gmt defaults locally and globally (#293)
Wrap grdview (#330)
Wrap grdtrack (#308)
Wrap colorbar (#332)
Wrap text (#321)
Wrap legend (#333)
Wrap makecpt (#329)
Add a new method to shift plot origins (#289)

Enhancements

Allow text accepting “frame” as an argument (#385)
Allow for grids with negative lat/lon increments (#369)
Allow passing in list to ‘region’ argument in surface (#378)
Allow passing in scalar number to x and y in plot (#376)
Implement default position/box for legend (#359)
Add sequence_space converter in kwargs_to_string (#325)

Documentation

Update PyPI install instructions and API disclaimer message (#421)
Fix the link to GMT documentation (#419)
Use napoleon instead of numpydoc with sphinx (#383)
Document using a list for repeated arguments (#361)
Add legend gallery entry (#358)
Update instructions to set GMT_LIBRARY_PATH (#324)
Fix the link to the GMT homepage (#331)
Split projections gallery by projection types (#318)
Fix the link to GMT/Matlab API in the README (#297)
Use shinx extlinks for linking GMT docs (#294)
Comment about country code in projection examples (#290)
Add an overview page listing presentations (#286)

Bug Fixes

Let surface return xr.DataArray instead of xr.Dataset (#408)
Update GMT constant GMT_STR16 to GMT_VF_LEN for GMT API change in 6.1.0 (#397)
Properly trigger pytest matplotlib image comparison (#352)
Use uuid.uuid4 to generate unique names (#274)

Maintenance

Quickfix Zeit Now miniconda installer link to anaconda.com (#413)
Fix GitHub Pages deployment from Travis (#410)
Update and clean TravisCI configuration (#404)
Quickfix min elevation for new SRTM15+V2.1 earth relief grids (#401)
Wrap docstrings to 79 chars and check with flake8 (#384)
Update continuous integration scripts to 1.2.0 (#355)
Use Zeit Now to deploy doc builds from PRs (#344)
Move gmt from requirements.txt to CI scripts instead (#343)
Change py.test to pytest (#338)
Add Google Analytics to measure site visitors (#314)
Register mpl_image_compare marker to remove PytestUnknownMarkWarning (#323)
Disable Windows CI builds before PR #313 is merged (#320)
Enable Mac and Windows CI on Azure Pipelines (#312)
Fixes for using GMT 6.0.0rc1 (#311)
Assign authorship to “The PyGMT Developers” (#284)

Deprecations

Remove mention of gitter.im (#405)
Remove portrait (-P) from common options (#339)
Remove require.js since WorldWind was dropped (#278)
Remove Web WorldWind support (#275)