| OpendTect User Documentation version 4.2 |
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Table of Contents
4.1. Scene
4.2. Inline, Crossline & Z-slice
4.3. Volume
4.4. Random line
4.5. PickSet/Polygon
4.6. Horizon
4.7. 2D Horizon
4.8. Fault
4.9. FaultStickSet
4.10. Body
4.11. Well
4.12. 2D Seismic
4.13. Annotations
4.14. PreStack 3D viewer

Each scene has a corresponding detachable tree to control the elements to e displayed. A tree consists of several elements of different type, which are described in detail below. Tree elements containing elements one level down can be expanded by clicking on the markers (+ or -) left of each main element. The order in which items appear in the tree can be changed by selecting the item that you want to move, then press and hold shift, and press the arrow up or down keys on your keyboard.
The tree is a utility window that can be moved outside of the main OpendTect window. To do that, click on the small squares at the top-right corner of the tree scene. Then drag by clicking (left-click) on its title bar to place it anywhere. Please note that some operating system hide utility windows when the main window is inactive. This setting may be found in the advanced "Window behaviour" settings.

"Docking tree"
In OpendTect, a Scene is a main working window with an associated tree. There are three separate working domains of the scenes i.e. Time-domain, Depth-domain and Wheeler-domain. A time/depth-domain scene can be inserted via Scenes menu. Each scene has its own tree elements so that a user can modify the elements and scene settings accordingly.

The scene properties can be changed by right-clicking on a scene name in the Tree e.g. Scene 1 > Properties. This will pop up the following window.

In this window, the user can set the following options for the specific scene.
- Survey box: If checked, a 3D survey box will be shown in this specific scene.
- Annotation text: If checked, the survey box annotations (inline, crossline, TWT) will be displayed in the scene.
- Annotation scale: If checked, the numeric values of inlines, crosslines and Z-values will be displayed.
- Background Color: The user can specify his/her own background color for particular scene. By default it is black.
- Mouse Marker Size: This is option to increase the Mouse Marker (a marker pointing mouse location on multiwindows) size on various windows in multiscene view.
- Mouse Marker Color: The user can change the color of Mouse Marker from here. The default color is white.
- Annotation color: The user can change the color of Annotation from here. The default color is white.
- Line/Surface separation: The user can change the setting between Line and Surface separation as shown below.

The Top/Bottom image...
This option allows the user to display images at the top and base of the survey area, with or without transparency. The picture will be stretched to fit into the TopLeft and BottomRight corners of the survey (in a north view). The proposed coordinates are the survey ranges.
This feature is useful when the user wants to add any reference map of the survey so that he/she can understand the geographical position and corresponding seismic profile in a better way.

Note: You can use the Google export tool to convert the survey boundaries to latitude and longitudes. They can be then imported into a mapping program (like googleearth) in order to take the appropriate screenshot.
The scene export option is only made for the debugging purposes. The export option dumps the scene information into a file as iv file (Inventor 3D graphic), which later on can be used for bugs analysis.
