What's Changed

General

• improve and fixed some examples and tutorials
• fix a lot of minor bugs
• extend tests
• add ComplexMatrix(R, I)
• enable float (and int) conductivity in `solver.createStiffnessMatrix(me
• add DataContainer.markSensorInvalid(idx), DataContainer.removeSensorData(idx) and DataContainer.removeSensor(idx)
• add mesh.createNodes()
• fix createParaDomainPLC() for boundary=0
• remove obsolete Refraction class (use Traveltime)
• improved string representation of matrices
• fix versioneer
• fix build problem on Mac, by avoiding linking to Python libraries

Visualization

• fix strange vertical axis labelling for meshes with elevation
• switch blue electrodes to magenta (contrast to popular cMaps)
• add mpl.underlayImageFile(ax, im)

ERT

• TimelapseERT.fullInversion(): access to inversion instance and retrieving frame chi2 values
• improve TimelapseERT.automask()
• saveResult() saves model response and residual
• fix mesh generation for CrossholeERT()
• fix import of newer Syscal and ABEM Ascii output
• fix wrong dx detection in ert.drawERTData() and improve flexibility
• enable specifying current in ert.simulate(mesh, a)

New Contributors

• @guiguilhermegui made their first contribution by fixing a typo in heat equation tutorial in #808

Full Changelog: v1.5.3...v1.5.4

• re-enable CI workflow
• fix possible import error (libcholmod.so) by fixing suitesparse version
• support for numpy v2.x
• new inversion classes InversionBase, InversionGaussNewton etc. (not yet default)
• add recursive BFGS and L-BFGS matrices
• enable fop.STy to avoid Jacobian for gradient-based inversions
• add lamFactor and minLambda properties for decreasing lambda values
• fix and simplify some examples
• improved string representations of Trans classes
• ERTIPManager.invIP class available
• new reciprocal data analysis example
• add complex-valued ERT/IP inversion
• allow Mesh.show("property") with possible factor=
• add general column-based import for traveltime data
• add 2024 references to bib database
• update Borehole(s) classes
• add showERTData(equidistant=True/False)
• improve data representation for CrossholeERT
• improved docstrings of several functions
• TimelapseERT.automask for outlier detection
• TimelapseERT.TimelinePDF
• fix some bugs and updates to modern scipy functions

What's Changed

• improve import times by cleaning imports
• improve axis labels
• enable contour lines for cell-based plots
• improve extract2dSlices by x=/y=/z= and origin='center'
• add mesh.submesh(relation='!=')
• add pip --no-build-isolation to stay uptodate (instead conda develop)
• add Inversion.residual() for data-weighted transformed residual
• add Inversion.jacobianMatrix() for transformed & weighted Jacobian
• add Inversion.dataGradient/modelGradient/gradient() functions
• allow setting inversion response from outside
• add general MatrixRow(A, n) and MatrixColumn(A, n) functions
• add modelResolutionMatrix and resolutionMatrix
• add modelCovarianceMatrix replacing the (core-inv) modCovar
• add TDEMSmoothModelling for Occam TEM inversion
• add ERTManager.invertDC()
• add DEM class with fallback DEM instance
• add matrix type ScaledMatrix
• update Borehole and Boreholes class
• tune default thread count to max 16
• add three different linesearch procedures opening the way to pure Python inversion
• add example of model covariance matrix for VES inversion
• add example for TDEM inversion including resolution matrix
• enable setting transformations through strings (e.g. inv.dataTrans = 'log') using str2Trans
• revive pg.RVector alias
• add system to Report
• fix a lot of bugs, e.g. to be compatible with matplotlib>=3.9
• improve documentation including building instructions

Pull requests

• Update ertIPManager.py by @AlainPlattner in #726
• Fixing the iteration number again (I think) by @prisae in #734
• Remove system from pygimli-scooby-report by @prisae in #737
• Typos/structure plot_5_Regularization.py by @prisae in #739

Full Changelog: v1.5.1...v1.5.2

What's Changed

• Update README.md by @andieie in #667
• fix #715, we can obtain the shape of a Cm05Matrix by @AmirMardan in #716
• add Mesh.submesh(keyword=value, relation) to extract submeshes (e.g. good=vtk.submesh(coverageLog10=-5.5, relation=">")
• improve website, e.g. on Mac installation, JupyterLab e.g.
• remove scipy version dependency
• add example on reciprocal analysis of ERT data
• simplify some examples
• increase compatibility for numpy>1.23 concerning np.int etc.
• add inv.setInterfaceConstraint(marker, strength) (forwarding to region manager)
• add inv.setInterRegionConstraint(region1, region2, strength) (forwarded)
• add trapezoidal shape factor trapRatio for trapezoidal model domains
• fix extract2dUpperSurfaceMesh, extract2dSlice

New Contributors

• @AmirMardan made their first contribution in #716

Full Changelog: v1.5.0...v1.5.1

What changed

• Re-enable 3D images on website (e.g. this example), now including interactive mode using pyvista's DynamicScraper
• Fix iteration number in pre/postStep by @prisae in #643
• Typo correction by @soehag in #650
• FIX adding custom constraints matrix into lazy evaluation process of regularization settings (fixes #659)
• Enable DataContainer.subset() for geometric filtering (e.g. extract a line)
• Reciprocal data analysis: ert.reciprocalAnalysis(data), ert.fitReciprocalModel(data), ert.reciprocalProcessing(data)
• Extend reciprocal analysis to TimelapseERT class
• Improved display of ERT data: using, x/y fields or predefined styles (e.g. A-MN)
• Improved maxtrix pg.show(mat) for Matrix, RealNumpyMatrix, IdentityMatrix, DiagonalMatrix, all others
• Improve docstrings for several classes and functions
• Extend setting mesh properties mesh[str]=val, including markers
• New example on tree tomography using ERT, styling other examples
• Improve details in several examples and correct inconsistencies
• Add new papers using pyGIMLi
• Fix several bugs: res2dinv import, bug with scipy=1.12,
• Updated to new version of pydata-sphinx-theme

New Contributors

• @soehag made their first contribution in #650

Full Changelog: v1.4.6...v1.5.0

What's Changed

• pv.drawSlice takes cMin/cMax, cMap, logScale and passes clim,cmap,log_scale
• add (syntactic sugar) Mesh class functions:
• Mesh.copy() to create a copy, Mesh.midpoint()
• Mesh.NED() for changing XYZ from East-North-Up to North-East-Down and back
• add Mesh.extent("dxyzm"012-1None) to determine extent in to several dimensions
• add Mesh.populate(array|map|dict) to map any input to mesh cells
• add Mesh.innerBoundaryCenters() to retrieve the inner boundaries (e.g. first order constraints)
• extend and optimize grav/mag by tools
• first MagManager for magnetics inversion
• magnetics inversion example, also supporting tetrahedral meshes
• improve showFit by same data and response colorscale and axes
• add aspect keyword to show functions (not resolving #629 ugly colorbars)
• enable TraveltimeManager to take self mesh and data
• TraveltimeManager.createTraveltimeField
• add showAnimation(plc=)
• TimelapseERT.exportVTK() for timesteps
• fix direction of extract2dSlice
• allow attribute dictionary for parseMapToCellArray
• fix several bugs related to colorbars
• fix reading pole-dipole from res2dinv, cleanup code
• enable read topography from res2dinv files (#623, #629)
• cleanup old SIP and borehole classes
• improve cmake build instructions
• extend test functions
• improve docs and website, e.g. build from source instructions, papers
• Update Slack->Mattermost by @prisae in #626

Full Changelog: v1.4.5...v1.4.6

• new classes TimelapseERT and CrossholeERT
• new example Timelapse ERT inversion
• new example ERT with structural constraints from seismics
• output of explicit chi-square at beginning on notebooks
• DataContainer.getIndices() and .subset() for data selection
• combineMultipleData for ERT data unification
• fix relativeError bug in ERTIPManager
• enable TraveltimeManager.showFit(firstPicks=True)
• improve, cleanup and simplify (runtime-opt) several examples
• improved Windows build with new cmake versions
• fix Crank-Nicholson scheme for Dynamic boundary conditions
• fix passing area(cellSize) to 3D createX functions
• enable passing contact impedances to ert.simulate()
• maxSeparation argument for ert.createData
• adaptions to matplotlib=3.8 and other package updates
• add underlayBKGMap(mode='map') for DTK, update adresses
• extended documentation & cleanup of functions and classes
• improve website by modern themes and packages
• core updates fixing boundary handling bugs
• increase test coverage

• improve caching
• improve appearance of examples and tutorials
• enable using fatray Jacobians in TravelTime Manager
• pass cMin/cMax/logScale to 3D views using pyVista
• add DataContainer.swapXY to change dimensions
• support SIP Quad import and to enable SIP data columns
• enable saveResults to pass vectors to be saved in vtk
• typo corrections

Bugfixes

• badges on Website
• VESRhoModelling with other than ab2/mn2 arguments
• colorbar orientation for drawPLC
• exportBoundaryVTU behaviour
• ertGeometricFactors(h2=False, p2=True)

Full Changelog: v1.4.3...v1.4.4

What's Changed

• add ERTIPManager for simple (e.g. TDIP chargeability) modelling and inversion
• add 3D gravity modelling operator GravityModelling
• add 3D gravity modelling and inversion example based on Li&Oldenburg (1998)
• optimize gravity/magnetics kernel computation
• improve documentation by adding docstrings and docstring examples
• add KroneckerMatrix for efficient modelling of multi-dimensional (spectral) problems
• add skipCache argument to cacheable functions to skip cache evaluation
• add some ERT utility functions for processing
• Update documentation and scripts for manual compilation on Linux by @paoloose in #553

New Contributors

• @paoloose made their first contribution in #553

Full Changelog: v1.4.2...v1.4.3

• fix a lot of bugs also visible on Website examples
• add DataContainer.show(...) as shortcut to pg.show(DataContainer, ...)
• add DataContainerERT.estimateError(...) as shortcut to ert.show(DataContainerERT, ...)
• add DataContainerERT.createGeometricFactors(...) as shortcut to ert.createGeometricFactors(DataContainerERT, ...)
• add more quantities to unit library
• website improvements
• enhance documentation and style

Full Changelog: v1.4.1...v1.4.2