Updating Class Settings of Multiple Horizons

1. In the Horizon tab, select the horizons to update.
   • CTRL + left mouse button: select multiple individual horizons.
   • Shift + left mouse button: select a range of horizons.
2. In the Details Panel, select the item(s) to update.
   • Property: Choose the horizon property to update .
   • Class: Select the class to update or click the colour box to edit the class.
   • Range: set the minimum to maximum value range - the “clip” values or use the minimum / maximum values from the selected class.
   • Show on sections: Select the line colour and thickness of the horizon shown in section views.