This video demonstrates the new features and workflow enhancements for file sharing, isosurfaces, sections, vector voxels, math tools, and drillhole plotting in Geosoft Release 8.5.
Geosoft Desktop Applications 8.5.5, including Oasis montaj 8.5.5, Target 8.5.5, and Target for ArcGIS 4.5.5, is now available.
You can download the executable from My Geosoft, or update through Check for updates in your software. To check for updates, click the Help menu, then click Updates > Check for Software Updates. When there is an update available, click the Install button.
The Scatter Plot tool plots one channel against another channel in a tool where you can interactively interrogate the data in your database and plot to a map.
You can dynamically link with the database, regardless of the type of data you are working with. Use channels from geochemistry samples, drillhole data, or any other readings. Select and mask values, and colour classify the data points using distributions or other fields.
Several new Scatter Plot and Triplot templates for geochemical data analysis are available in Oasis montaj and Target 8.5. You can find the full list of templates and references in About Scatter Plot Templates.
Oasis montaj and Target users with Geochemistry or Geophysics extensions can find these tools in
Extract a Profile from a Grid is a commonly used and very useful function. We've looked at how to display profiles along sections before.
You can use the GRIDPROF GX to extract a data profile from a grid and place it in a new line of the current database. This capability can be useful for a variety of applications including modeling and removing local trends during gridding.
Here's how it works:
New channel math functions include
The voxel math tool now supports open and closed surface operations and includes the ability to
Check out this excellent video (full disclosure: my opinion is biased!) for a collection of quick shortcuts and tips to help you be more productive and efficient in Oasis montaj or Target.
Topics include drag and drop, hot keys, working with maps, and useful settings.
Have a polygon or polyline ArcGIS shapefile and want to get the coordinates of the vertices?
Use Database > Import > ArcView Shape File(s)... and select Import data to: New database with shape database(s) to create a second database with all the vertices and attributes.
In Oasis montaj 8.5, you can create a vector voxel from Amplitude, Inclination, and Declination channels in a database using 3D > Voxel Conversions > GDB to Vector Voxel...
The reverse is possible as well. Extract the inclination and declination of magnetization vectors derived from a VOXI MVI inversion so that you can view and query these values in a database.
If needed, you can also calculate x,y,z from A (amplitude), D (declination in degrees azimuth), I (inclination, positive down) using these expressions:
x = A*cos(I)*sin(D)
y = A*cos(I)*cos(D)
z = -A*sin(I)
Refer to How to extract Inclination and Declination of Magnetization Vectors from VOXI MVI results for instructions on how to do this in previous versions of Oasis montaj.