Extract Horizontal Slices from Voxel
Use the Voxel > Utilities > Extract Horizontal Slices from Voxel menu option (geogxnet.dll(Geosoft.GX.VoxUtils.VoxelHorizontalSlice;Run)*), to extract horizontal (plan) grids from a voxel model.
The option can also be found on the Add to 3D > Grids menu in the 3D Viewer.
Extract Horizontal Slices from Voxel dialog options
Application Notes
*The GX tool will search in the "...\Geosoft\Desktop Applications \gx" folder. The GX.Net tools, however, are embedded in the geogxnet.dll located in the "...\Geosoft\Desktop Applications \bin" folder. If running this GX interactively, bypassing the menu, first change the folder to point to the "bin" folder, then supply the GX.Net tool in the specified format.
Extract Plan Grids from a Voxel Model
The output grids are automatically trimmed to eliminate locations beyond the edges of the voxel model, and are given an orientation warp so they may be readily plotted in a 3D view. If a selected elevation does not intercept any data, then no grid is produced at that elevation, and a warning message is displayed.
Specify Elevation, Elevation Increment, and Number of Grids
This method is set up to allow a wide variety of output grid slicing methods, based on which of the elevation, elevation increment and number of grids parameters are specified. You may specify one, two or three of these parameters.
The voxel model is scanned to determine the actual range of elevations which contain valid data.
The resulting behaviour is described in the table below:
Start Elevation |
Elevation Increment |
Number of grids |
Behaviour |
Z0 |
DZ |
Undefined |
A single grid at Z0. |
Z0 |
Undefined |
N |
If Z0 is below the voxel, then the voxel is divided into N layers, and the slices are taken at the centers of the slices (and the starting elevation is ignored). If Z0 inside the valid range of elevations, the first grid is at Z0, and the remainder are positioned by dividing up the elevations above the start elevation into N-1 slices, and using the center elevations of the slices. |
Undefined |
DZ |
N |
The elevations are centered on the voxel vertical data bounds. |
Z0 |
Undefined |
Undefined |
A single grid at Z0. |
Undefined |
DZ |
Undefined |
Grids are produced at integer multiples of DZ for the entire vertical range of data in the voxel. |
Undefined |
Undefined |
N |
The vertical range of data is divided into N equal slices, and the centers of the slices define the grid elevations. |
Undefined |
Undefined |
Undefined |
A single grid at the center elevation of the available data. |
Defined |
Defined |
Defined |
Only those grids with valid data are produced. |
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