pyvista/pyvista: Under the hood Under the hood changes for VTK9

Release 0.29: Under the hood changes for VTK9

This minor release of pyvista==0.29.0 includes a variety of changes and new features. The most major is improving our load-time by only loading in the VTK libraries used through lazy loading or selective imports using `vtkmodules``. It was quite an overhaul and should improve load time, reduce memory usage, and potentially the size of the frozen package.

Other new features and bug-fixes include:

New Features

• add subdivision option to extract_surface (#1174)
• Add a silhouette parameter to add_mesh (#1211)
• add new colors (#1173)
• Add pickle support to DataObject (#1143)
• Add where_is in BasePlotter (#1175)
• Create an explicit structured grid (#1133)

Documentation

• Fix and update some sphinx docs (#1149)
• :memo: Add new function to geometric.rst (#1170)
• Update what-is-a-mesh.rst (#1176)
• Fix docstring in add_point_labels (#1188)

API Changes

• Improve PolyData Import (#1213)
• Use vtkTransformFilter in DataSet.transform() (#1166)
• Improve Exodus Reader (#1191)
• Add bounds in reset_camera (#1161)
• Add option to hide plane widget vector (#1150)
• add origin kwarg to plotter.add_legend (#1153)
• Expose start_xvfb (#1151)
• Add render=True in add_point_labels (#1152)
• add transforms3d (#1142)

Bug Fixes

• Fix the "reset camera" effect when parallel projection is enabled/disabled (#1221)
• Wrap pyvista_ndarray (#1222)
• Fix vtk not defined (#1217)
• plot_over_line should fail if scalar name does not exist (#1214)
• Fix labels (#1201)
• remove faulthandler (#1187)
• Fix log scale in scalar bar (#1183)
• Fix bugs in enable_cell_picking (#1158)
• fix add_actor (#1182)
• Fix Binary Writer (#1148)
• Reimplement Light.copy to get around VTK8.1 bug (#1137)
• Update enable_cell_picking (#1157)
• Update the active scalar bar when cmap is changed (#1169)
• Fix scalar bar moving upward (#1171)

Miscellaneous/Testing

• Minor fix of plot_over_line's test #525 (#1216)
• common --> dataset (#1209)
• :art: Minor fix of format of the code. (#1199)
• Fix doctest failure in BasePlotter.where_is (#1192)
• Use vtkmodules (#1163)
• Move Common, DataObject to dataset.py, dataobject.py (#1160)
• Partially add type hints to /core/ (#1145)
• improve import speed (#1156)

Contributors (alphabetical)

• @adeak
• @akaszynski
• @banesullivan
• @d-chambers
• @GuillaumeFavelier
• @JevinJ
• @Keou0007
• @RichardScottOZ
• @rodrigomologni
• @tkoyama010
• @whophil
• @yienyien