Faults - contains fault picking

Right mouse button on the icon allows to:

• Add new fault
• Clear faults
• Set meshing mode... (Sticks / Surface)
• Colorize
• Export (To Charisma…)

• Receive faults
• Commit faults

Create a fault in a folder

To create a fault directly in an editable folder or subfolder, right-click the folder under Faults in the Data Manager and choose Add new fault. Enter a fault name, select Time or Depth, and confirm. The new fault is placed in the selected folder.

Convert faults between time and depth

A selected velocity model is required to convert faults between the time and depth domains.

• To convert one fault, right-click it under Faults in the Data Manager and choose Convert to depth for a time fault or Convert to time for a depth fault.
• To convert all faults in a folder, right-click the Time or Depth domain folder, or a folder or subfolder containing faults from one domain, then choose Convert to depth or Convert to time.
• To convert several faults, select fault objects from the same domain, right-click the selection and choose the corresponding conversion command.

Conversion adds a copy of each included fault to the other domain. The original faults and Free sticks remain unchanged, and each converted copy keeps its source fault's color.

The command is disabled when no velocity model is selected and is not shown for a selection that mixes time and depth faults.

Rename a fault

To rename an editable fault, right-click it in the Faults branch of the Data Manager, choose Rename, enter a name that is not already used by another fault, and confirm. The command is disabled for faults that you cannot edit.

Colorize free sticks

To give the sticks collected in a Free sticks folder distinct colors, right-click that folder under Time or Depth in the Data Manager and choose Colorize. Every stick in the folder is given its own automatically generated color, chosen to differ from the colors already used by other fault objects. The command is offered only while the folder holds at least one stick.

The new colors are applied immediately on seismic sections and in the 3D view. Only the colors change - stick names, geometry and the fault each stick belongs to are left as they were - and running Colorize again replaces them with a new set of colors.

Assign Fault Type

Each fault can be classified by its geological type. Right-click an individual fault in the Data Manager and choose Assign Fault Type, then one of:

• Unknown (default)
• Normal
• Reverse
• Strike-slip
• Strike-slip + Normal offset
• Strike-slip + Reverse offset

The selected type is saved as a property of the fault object. The Fault Modeling wizard reads this type automatically for each fault and lets you edit it in the Fault Type column of its Fault Inputs tab.

Fault type symbols on the Location map

On the Location map, a fault shown along the current horizon or along a depth map is drawn with the geological symbol of its assigned type. The symbols repeat along the fault line and use the fault line color. They stay on the same side of the line for the whole fault; that side is derived from the fault and horizon geometry.

• Unknown – a plain fault line, without symbols.
• Normal – short tick marks across the fault line.
• Reverse – filled triangular teeth.
• Strike-slip – pairs of half-arrowheads set on opposite sides of the fault line and pointing in opposite directions, showing the relative lateral movement of the two blocks.
• Strike-slip + Normal offset and Strike-slip + Reverse offset – the same paired half-arrowheads as Strike-slip.

The symbols are drawn on the Location map only, for the Faults on current horizon, Faults on depth maps, Fault model faults on current horizon, Fault model faults on depth maps and Structural model faults on current horizon items.

To change how often the symbols repeat, select the fault item in Visual Settings on the Object(s) tab and adjust Fault ticks step. The value is editable while Line type is set to Fault. Strike-slip arrows are drawn four times less often than ticks and teeth.