adaptive indicator krig

Deprecated

This module has been deprecated. Please replace it with the lithologic modeling module.

adaptive indicator krig

The adaptive indicator krig module is an alternative geologic modeling concept that uses geostatistics to assign each cell’s lithologic material as defined in a pregeology (.pgf) file, to cells in a 3D volumetric grid.

There are two methods of lithology assignment. Nearest Neighbor is a quick method that merely finds the nearest lithology sample interval among all of your data and assigns that material. It is very fast, but generally should not be used for final work. Kriging provides the rigorous probabilistic approach to geologic indicator kriging. The probability for each material is computed for each cell center of your grid, and the material with the highest probability is assigned to the cell.

Ports

DirectionNameTypeDescription
InputInput FieldFieldAn input field with nodal data.
InputInput FilenameStringFile used to generate the pre-geology file name.
InputInput Refine DistanceNumberThe refine distance for the pre-geology file.
OutputOutput FilenameStringFile used to generate the pre-geology file name.
OutputOutput Refine DistanceNumberThe refine distance for the pre-geology file.
OutputGeologic Legend InformationGeology LegendInformation required to properly label stratigraphic output or lithology within Legend.
OutputOutput FieldFieldThe output field representing geologic materials.

Properties

PropertyTypeDescription
Deprecated ModuleStringThis module has been replaced by lithologic modeling.

Krig Settings

PropertyTypeDescription
Estimation TypeChoice: Kriging, Nearest NeighborSelects between the Nearest Neighbor and Kriging algorithms.
ReachDoubleDefines the radial distance from any given model node that the kriging module will look for data points. Setting the reach to 0 causes automatic calculation.
Points In ReachIntegerThe maximum number of data points within the specified reach that will be considered for parameter estimation at a model node.
Octant SearchBooleanWhen selected, searching is performed for each of the eight octants surrounding the point to be kriged.
Use All PointsBooleanCauses the module to include samples up to the All Points Limit value. If the number of samples exceeds the limit, the Reach and Points In Reach settings are used.
All Points LimitIntegerThe maximum number of points to use when interpolating. If there are more samples than this value, the Reach and Points In Reach settings will be used.
PGF Refine DistanceDoubleThe distance used to discretize the lithologic intervals into points used in kriging.
Max Points Per IntervalIntegerCaps the number of points created between samples in PGF data.
Maximum Refined PointsIntegerSets a limit on the total number of points created when refining a PGF file.
Variogram And AnisotropyVariogramControls the variogram model and anisotropy parameters for kriging.