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- Learn
- Tour
  Tour
  - From drill holes to a 3D model
- Samples and support
  Samples and support
  - Samples and support
- Describing data
  Describing data
  - Describing data
- Spatial continuity
  Spatial continuity
  - Spatial continuity
- Kriging
  Kriging
  - Kriging
- Simulation
  Simulation
  - Simulation
- Checking a model
  Checking a model
  - Checking a model
guide
guide
examples
examples
- first steps
  first steps
  - first steps
  - quick tour
    quick tour
    
    quick tour
  - block models
    block models
    
    block models
  - saving and loading
    saving and loading
    
    saving and loading
  - storing containers in parquet
    storing containers in parquet
    
    storing containers in parquet
- data and geometry
  data and geometry
  - data and geometry
  - checking drill holes
    checking drill holes
    
    checking drill holes
  - desurveying drill holes
    desurveying drill holes
    
    desurveying drill holes
  - compositing
    compositing
    
    compositing
  - duplicates
    duplicates
    
    duplicates
  - solids
    solids
    
    solids
  - sub-blocks
    sub-blocks
    
    sub-blocks
  - mesh files
    mesh files
    
    mesh files
  - polygons
    polygons
    
    polygons
  - shapefiles and GeoTIFF
    shapefiles and GeoTIFF
    
    shapefiles, geopackage and GeoTIFF
  - models larger than memory
    models larger than memory
    
    models larger than memory
  - 3D views
    3D views
    
    3D views
  - block model from extents
    block model from extents
    
    block model from extents
  - runs and strip logs
    runs and strip logs
    
    runs and strip logs
  - domain cleanup
    domain cleanup
    
    domain cleanup
  - mesh-crossing interval splits
    mesh-crossing interval splits
    
    mesh-crossing interval splits
  - stepped sections
    stepped sections
    
    stepped sections
  - hole traces with deviation flags
    hole traces with deviation flags
    
    hole traces with deviation flags
  - outlines
    outlines
    
    outlines
  - topography from points
    topography from points
    
    topography from points
  - sections with holes
    sections with holes
    
    sections with holes
  - live scene
    live scene
    
    live scene
  - meshes and points in a scene
    meshes and points in a scene
    
    meshes and points in a scene
  - filtering block models
    filtering block models
    
    filtering block models
  - interactive sections
    interactive sections
    
    interactive sections
  - units
    units
    
    units
- exploratory analysis
  exploratory analysis
  - exploratory analysis
  - paired data
    paired data
    
    paired data
  - statistics by domain
    statistics by domain
    
    statistics by domain
  - declustering
    declustering
    
    declustering
  - weight declustering
    weight declustering
    
    weight declustering
  - top cuts
    top cuts
    
    top cuts
  - despiking
    despiking
    
    despiking
  - contacts
    contacts
    
    contacts
  - soft-boundary statistics
    soft-boundary statistics
    
    soft-boundary statistics
  - swaths
    swaths
    
    swaths
  - data spacing
    data spacing
    
    data spacing
  - correlations
    correlations
    
    correlations
  - spatial bootstrap
    spatial bootstrap
    
    spatial bootstrap
  - reference distributions
    reference distributions
    
    reference distributions
  - cleaning steps
    cleaning steps
    
    cleaning steps
- transforms
  transforms
  - transforms
  - normal-score transform
    normal-score transform
    
    normal-score transform
  - censored normal-score transform
    censored normal-score transform
    
    censored normal-score transform
  - capping transform
    capping transform
    
    capping transform
  - compositional data
    compositional data
    
    compositional data
  - multivariate transforms
    multivariate transforms
    
    multivariate transforms
  - imputation
    imputation
    
    imputation
  - spatial imputation
    spatial imputation
    
    spatial imputation
  - smooth trend
    smooth trend
    
    smooth trend
  - unfolding
    unfolding
    
    unfolding
  - target distribution correction
    target distribution correction
    
    target distribution correction
  - pipeline
    pipeline
    
    pipeline
- spatial continuity
  spatial continuity
  - spatial continuity
  - experimental variograms
    experimental variograms
    
    experimental variograms
  - variogram fitting
    variogram fitting
    
    variogram fitting
  - variogram sets
    variogram sets
    
    variogram sets
  - variogram volume
    variogram volume
    
    variogram volume
  - downhole nugget
    downhole nugget
    
    downhole nugget
  - madogram
    madogram
    
    madogram
  - coregionalization
    coregionalization
    
    coregionalization
  - intrinsic coregionalization
    intrinsic coregionalization
    
    intrinsic coregionalization
  - local variogram parameters
    local variogram parameters
    
    local variogram parameters
  - from variogram to search plan
    from variogram to search plan
    
    from variogram to search plan
  - nugget inference
    nugget inference
    
    nugget inference
- kriging
  kriging
  - kriging
  - ordinary kriging
    ordinary kriging
    
    ordinary kriging
  - simple estimators
    simple estimators
    
    simple estimators
  - universal kriging
    universal kriging
    
    universal kriging
  - external drift kriging
    external drift kriging
    
    external drift kriging
  - block kriging
    block kriging
    
    block kriging
  - search
    search
    
    search
  - search calibration
    search calibration
    
    search calibration
  - high-grade restriction
    high-grade restriction
    
    high-grade restriction
  - cokriging
    cokriging
    
    cokriging
  - indicator kriging
    indicator kriging
    
    indicator kriging
  - multiple indicator kriging
    multiple indicator kriging
    
    multiple indicator kriging
  - multigaussian kriging
    multigaussian kriging
    
    multigaussian kriging
  - soft boundaries
    soft boundaries
    
    soft boundaries
  - locally varying anisotropy
    locally varying anisotropy
    
    locally varying anisotropy
- categories and domains
  categories and domains
  - categories and domains
  - categories
    categories
    
    categories
  - domain change tables
    domain change tables
    
    domain change tables
  - along-hole transition matrix and MDS
    along-hole transition matrix and MDS
    
    along-hole transition matrix and MDS
  - local proportions
    local proportions
    
    local proportions
  - categorical indicator kriging
    categorical indicator kriging
    
    categorical indicator kriging
  - sequential indicator simulation
    sequential indicator simulation
    
    sequential indicator simulation
  - plurigaussian simulation
    plurigaussian simulation
    
    plurigaussian simulation
  - grades in simulated rock types
    grades in simulated rock types
    
    grades in simulated rock types
- stochastic simulation
  stochastic simulation
  - stochastic simulation
  - sequential gaussian simulation
    sequential gaussian simulation
    
    sequential gaussian simulation
  - SGS along a shared path
    SGS along a shared path
    
    SGS along a shared path
  - simulation at block support
    simulation at block support
    
    simulation at block support
  - turning bands
    turning bands
    
    turning bands
  - simulation with a trend
    simulation with a trend
    
    simulation with a trend
  - multivariate simulation
    multivariate simulation
    
    multivariate simulation
  - collocated cosimulation
    collocated cosimulation
    
    collocated cosimulation
  - direct sequential simulation
    direct sequential simulation
    
    direct sequential simulation
- recoverable resources
  recoverable resources
  - recoverable resources
  - discrete gaussian model
    discrete gaussian model
    
    discrete gaussian model
  - uniform conditioning
    uniform conditioning
    
    uniform conditioning
  - MIK localization
    MIK localization
    
    MIK localization
  - disjunctive kriging
    disjunctive kriging
    
    disjunctive kriging
- checking models
  checking models
  - checking models
  - model checks
    model checks
    
    model checks
  - cross-validation
    cross-validation
    
    cross-validation
  - kriging diagnostics
    kriging diagnostics
    
    kriging diagnostics
  - realization checks
    realization checks
    
    realization checks
  - classification
    classification
    
    classification
  - result plots
    result plots
    
    result plots
  - section validation plates
    section validation plates
    
    section validation plates
- geological modeling
  geological modeling
  - geological modeling
  - grade shells
    grade shells
    
    grade shells
  - contact surfaces
    contact surfaces
    
    contact surfaces
  - structural data
    structural data
    
    structural data
  - layered surfaces
    layered surfaces
    
    layered surfaces
- case studies
  case studies
  - Case studies
  - A coal seam in a lease
    A coal seam in a lease
    
    A coal seam in a lease
  - From drill holes to a classified model
    From drill holes to a classified model
    
    From drill holes to a classified model
  - Iron ore: several grades, one closure, reconciled
    Iron ore: several grades, one closure, reconciled
    
    Iron ore: several grades, one closure, reconciled
  - A laterite profile: horizons, then grades
    A laterite profile: horizons, then grades
    
    A laterite profile: horizons, then grades
- multiple-point statistics
  multiple-point statistics
  - multiple-point statistics
  - SNESIM and its multigrid
    SNESIM and its multigrid
    
    SNESIM and its multigrid
  - conditioning SNESIM
    conditioning SNESIM
    
    conditioning SNESIM
  - continuous SNESIM
    continuous SNESIM
    
    continuous SNESIM
  - rotation and affinity
    rotation and affinity
    
    rotation and affinity
  - several training images
    several training images
    
    several training images
  - soft data in SNESIM
    soft data in SNESIM
    
    soft data in SNESIM
  - training images and their consistency
    training images and their consistency
    
    training images and their consistency
  - image quilting
    image quilting
    
    image quilting
  - continuous image quilting
    continuous image quilting
    
    continuous image quilting
  - seismic volumes
    seismic volumes
    
    seismic volumes
- workflows
  workflows
  - Workflows
  - Flag solid proportions in a block model
    Flag solid proportions in a block model
    
    Flag solid proportions in a block model
  - Sub-block a model from solids
    Sub-block a model from solids
    
    Sub-block a model from solids
  - Find and fix degenerate solids
    Find and fix degenerate solids
    
    Find and fix degenerate solids
  - Audit drill holes before modeling
    Audit drill holes before modeling
    
    Audit drill holes before modeling
  - Compare two estimates of one deposit
    Compare two estimates of one deposit
    
    Compare two estimates of one deposit
  - Grade-tonnage curves and the change in contained metal
    Grade-tonnage curves and the change in contained metal
    
    Grade-tonnage curves and the change in contained metal
  - Drill-hole spacing from virtual grids
    Drill-hole spacing from virtual grids
    
    Drill-hole spacing from virtual grids
  - Drill-hole spacing from a learning curve
    Drill-hole spacing from a learning curve
    
    Drill-hole spacing from a learning curve
API
API
- containers and I/O
  containers and I/O
  - Table
  - PointSet
  - BlockModel
  - BlockModelFile
  - Mesh
  - MeshReport
  - Polylines
  - convex_hull
  - grid_surface
  - read_csv
  - write_csv
  - read_gslib
  - write_gslib
  - read_parquet
  - write_parquet
  - read_mesh
  - write_mesh
  - read_segy
  - write_segy
  - read_shapefile
  - write_shapefile
  - read_geopackage
  - write_geopackage
  - read_geotiff
  - write_geotiff
  - set_units
  - units
- datasets and plots
  datasets and plots
  - datasets
  - plot
  - plot3d
- drill holes and domains
  drill holes and domains
- exploratory analysis
  exploratory analysis
  - Categories
  - describe
  - describe_by
  - correlation
  - swath
  - contact
  - soft_boundary
  - capping
  - capping_report
  - despike
  - data_spacing
  - spatial_bootstrap
  - paired_bias
- transforms
  transforms
- compositional data
  compositional data
  - closure
  - alr
  - alr_inverse
  - clr
  - clr_inverse
  - ilr
  - ilr_inverse
  - aitchison_distance
- variography
  variography
- estimation
  estimation
- recoverable resources
  recoverable resources
- simulation
  simulation
- modeling
  modeling
  - ImplicitModel
- checking models
  checking models
- errors
  errors

ilr_inverse `builtin` ¶

ilr_inverse(coords, *, basis=None)

used in

Iron ore: several grades, one closure, reconciled

ilr_inverse builtin ¶

ilr_inverse `builtin` ¶