Orientation Three Point
                                            
                                            
                                        
If you have not already selected an interval, you will be prompted to do so by the Selection Assistant:
                                            
                                        
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Select the interval to edit and click Select.
The cursor will change to a plus and you can select three points on the orientation plane to modify the orientation as required. Selected points are indicated by a square:
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Select the third point to change the orientation as configured: