Viewing Drillholes
Drillhole Objects are represented as a single object but are actually linked to multiple files - such as .dhdb, .DAT and other file types.
Drillhole data is received in MMO&B via a data file such as a .csv where the relevant Geologist user imports incoming data to .DAT tables, validates them and creates a Drillhole.DHDB inside the local MMO&B project. The resultant Drillhole.DHDB + Collar.DAT + Interval.DAT + Survey.DAT and Event.DAT files are uploaded to Nexus to share the Drillhole data with the Team.
Another Geologist user can download the Drillhole data to their local MMO&B project to get the files and use them for Ore body interpretation. This process creates a new version of the Drillhole data to be uploaded to Nexus along with the resulting wireframe from the Ore Body interpretation. This is the file that can be viewed in Nexus.
Drillhole data created in Vizex within Micromine Origin & Beyond can be uploaded to the linked Nexus project using the Upload Files option in the right-click menu.
The uploaded drillholes will appear as a single object to be opened in the Viewer.
Note: For drillhole data to be displayed as a Drillhole Object when uploaded to Nexus, the Drillhole Object type must be Selected in the Object Types for your Workspace Settings.
Nexus drillhole objects can also be created in Nexus with the required data files in CSV format using the Upload Drillhole Data tool.
To view a Drillhole object,
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Select Viewer from the Navigation menu.
The Open button in the Layers panel is used to select the object to be displayed in the Viewer.
For a brief video on viewing and interacting with drillholes you upload from MMO&B , select the Help icon in the right corner of the Layers panel and select Drillholes tutorial.
The tutorial opens in a focussed window:
Click the image above to view the video in your browser
Nexus objects that can be opened
Viewable objects can be opened from the Project or Library directly, from the Click to preview link in the Info panel, or from the Select Object form from the Layers Panel:
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Click Open to display the Select Object form.
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Use the drop down to select the relevant Workspace and navigate to the object to be visualised using the Library, Projects and Tasks lists.
Note: Any object that cannot be viewed will not appear in these lists.
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Click OK.
The Viewer will display an animation while rendering of the object is in progress.
When you open a valid drillhole, it will be rendered in 3D in the Viewer grid. It can be examined and manipulated using the tools provided in the toolbar. See Viewer Tools.
The drillholes are displayed in the Viewer according to their coordinates. Each drillhole has coordinates configured and will be located in the viewer according to position. If more than one drillhole with different coordinates is uploaded to the viewer simultaneously, the difference in position will be demonstrated in the display.
The drillhole databases you have opened are displayed in the Layers panel.
From the More menu in the Layers panel, you can use the Select version option to select a specific version of the drillhole file.
The option will open the Version selection panel from which you can select and open the required version.
Selecting a particular version or displaying multiple versions will determine the information that is displayed in the Viewer. For example, for the following drillhole database file, holes DDH001 and DDH002 have been deleted from the Master, but selecting only the previous version will still display them:
The Object Page option in the Layers panel More menu opens the Object page for the displayed drillhole object.
The Open info panel option in the Layers panel More menu opens the Info panel for the drillhole object.
The Download link option will create a link that can be shared with external users to download the file/object for the object page, where available.
The Navigate link option will copy a link to the displayed drillhole object. The created link will navigate to the object opened in the Viewer.
If you select the Hide Drillhole Names option, drillhole labels will be removed from display in the Viewer. The option will toggle to Show Drillhole Names which can be used to return the labels to display.
If you select the Hide Drillhole Depths option, drillhole depth labels will be removed from display in the Viewer. The option will toggle to Show Drillhole Depths which can be used to return the depth labels to display.
You can select individual drillholes to display the Object Attributes panel:
The Objects Attributes panel displays any existing attributes for the Drillhole object, such as:
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Number of holes
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Total drilled meters
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Interval files
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Event files
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Azimuth correction
The Attributes tab of the Info panel also displays the Object Attributes as well as the user-defined Attributes for the drillhole.
You can Close the Info panel using the cross in the top right corner.
If no colour set has been defined for the Intervals in the displayed drillholes, clicking the Colour button in the Layers panel for the drillhole layer will open the Edit colour sets panel with a prompt to assign random colours to each interval.
Colour ramping automatically generates graduated colours between the start and end colours of the Numeric or Text intervals colour set. You can automatically set the colour ramp for the intervals using the Ramp Colours
button. This will assign the graduated colours for each code in the drillhole data, using the colour for the first code and the colour for the last code for reference:
With a Text interval colour set open, you can use the Search icon to find a specific entry using a keyword:
Text you enter in the Search field will filter the interval list to help you find the required entry.
For more information on editing colour sets, see Colour Sets.
The Solid View 
button provides solid trace visualisation of the drillholes in the Viewer.
Solid traces show colour-coded downhole data or specific numerical ranges and character codes. Drillholes are displayed in a 3D view in the same manner as the Solid trace Vizex layer in Micromine Origin & Beyond with the default parameters.
When toggled ON, the Solid Trace button activates the Solid Trace Radius slider. Using the slider, or entering a value in the field provided, you can determine the displayed radius of the solid trace to a maximum value of 50:
You can toggle Solid View OFF by clicking the button again.
If required, you can use the Vertical Exaggeration control at the bottom right of the Viewer to change the Z scale for the visualisation.
Adjusting the vertical exaggeration is useful when visualising large areas with short traces and a very small Z range such as alluvial ore bodies and stratiform deposits such as coal. Without an adjustment to the Z dimension, it is sometimes difficult to recognise that there are two polygons very close together.