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Geoscience > Main Launcher > Fault Menu > Pick

Seismic Viewer: Picking Faults

To pick faults open the Pick Faults dialog in one of the following ways:

The picking dialog is used for picking faults and horizons. If the picking dialog is already open, you can select Faults from the Pick menu. The dialog can be docked to the top or bottom of your desktop by opening the Pick Configuration dialog, and selecting your docking option.

Note: While the picking dialog is open, some tools are inaccessible from the Seismic Viewer. Select <Pick Type> from the Pick menu to access the tools, or close the Pick Faults dialog.

ClosedHow do I pick a fault?
  1. Open the Pick Faults dialog.
  2. Specify the name of the fault to be picked either by selecting it from the fault drop down, or by typing in a new name to create a new fault.
  3. (Optional) Define additional picking properties.
  4. Left click to begin picking. Each subsequent click places a new node in the fault segment. Right click to end the fault segment. Repeat this process as needed.
  5. Close the pick horizons dialog once picking is complete, or change the pick mode to <Pick Type>.
ClosedHow do I modify a fault pick?

Editing Fault Nodes
  1. If the fault isn't active, left click on the fault segment. It should now be the active fault color.

  2. Left click on a node.

  3. Drag the node to a new position.

  4. Release the mouse button.

Deleting Fault Nodes
  1. Left click on a node.

  2. Press the Delete on your keyboard.

Deleting Fault Segments
  1. Left click on a node to select a fault.

  2. Press the Delete key on the keyboard. This will remove the node.

  3. Press the Delete key again. This will remove the entire fault segment.

Inserting Fault Nodes and Extending Faults
  1. If the fault isn't active, left click on the fault segment. It should now be the active fault color.

  2. Place the cursor at the location you wish to insert the node

  3. Press Insert on your keyboard. A node will appear at that location.

Undoing Fault Edits
  1. You can undo the last fault operation by selecting Undo from the Edit menu, or using the hot key Ctrl + Z.

General Information


Pick Type Selector

Pick: Indicates if you are picking faults, horizons, or nothing. When you open the Pick Faults dialog this will be defaulted to Faults. It can be changed to Horizons to pick horizons, or <Pick Type> to stop all picking.

Fault Properties

Name: Enter the name of a new fault, or select the name of an existing fault.

Color: Choose the fault color. While you are picking a fault it will appear in the Active Fault Color, and not the color you select.

Type: Choose the type of fault you are picking.

  • Unassigned: Use this when you are picking multiple fault segments that may belong to multiple fault systems. You can then reassign the segments belong to the same fault surface, and assign the appropriate type. Unassigned faults can't be triangulated, and won't be accessible in all fault lists.
  • Normal: Use this to indicate a normal fault.
  • Overthrust: Use this to indicate an overthrust fault.

Sort points in time: When turned on, this will force the points of the fault segment to be sorted in time. Turn off if picking strike faults.

Docking 

Dock Dialog: Dock the dialog to the bottom or top of your main window, as specified in the Pick Configuration dialog.

Picking Configuration

Configuration: Open the Pick Configuration dialog to set your docking preference.

Also See

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