Scenarios in Scene Editor

You can do the following with scenarios in the Scene Editor:

  1. Create new scenarios
  2. Add objects to scenarios
  3. Manage scenarios

Create new scenarios

Default objects

Before you create scenarios you begin with the Default objects of the scene. Default objects are objects in layers, such as terrain and buildings, that make up the original scene.

Add scenarios

Create new scenarios with objects of each version of the scene you wish to visualize.

  1. Click the Add new scenario button to create a new scenario.
  2. Provide the Name, ID, and Color.

  3. Click OK.
  4. Create additional scenarios as needed.

Add objects to scenarios

Scenario objects

When you add objects to scenarios they become scenario objects. This is important because scenario objects and default objects behave differently. Scenario objects are individual objects that are part of a scenario. You can customize scenarios by adding or removing objects from specific scenarios and leaving in others.

Add default objects

  1. Select objects from the Default objects.

  1. Click Edit→Copy to scenario→North.

See Modify scenario objects for more information on the Copy to scenario, Move to scenario, Make default object, and Remove from current scenario options. See Manage scenarios below for more detail on Scenario Manager.

All the selected objects become scenario objects and are now in just the North scenario.

Add scenario objects to another scenario

You can also use Scene Editor to duplicate and mirror existing scenarios. When you right-click any scenario in the Scene Editor you will get the following:

There are additional options for managing scenarios with the Scene Editor toolbar, such as changing properties, deleting, or changing the order.

Duplicate

When you duplicate a scenario you copy all objects in one scenario to another.

  1. Right-click the existing scenario to duplicate.
  2. Click Duplicate...
  3. Provide a Name, ID, and Color.
  4. Click OK.

Both scenarios have the copies of the same objects.

Mirror

When you mirror a scenario you create a clone of all the objects to another scenario. Mirror objects behave as if they were same objects in multiple scenarios. For example, if you use the move tool on a building that is a mirror object it will move the object across multiple scenarios.

  1. Select the scenario you want to mirror.
  2. Click Mirror...
  3. Provide a Name, ID, and Color.

Each scenario is identical and a clone of the other. Any edits made to an object in one scenario are applied equally to the other.

Duplicate vs. mirror objects

Duplicate and mirror objects behave differently in scenarios and you can see the differences in the examples below:

Moving a duplicate object in the North and East scenarios




Moving a mirror object in the North and West scenarios:

As you can see duplicate treats the objects as two separate objects that can be modified independently of each other for each scenario. On the other hand, mirror objects behave as the same object and modifications are applied in both scenarios.

CityEngine gives you additional options with adding and modifying scenarios. See Modify scenario objects and Scenarios in Inspector for more information.

Manage scenarios

Manage scenarios in the Scene Editor toolbar and in the Scenario Manager. Change the order, edit properties, and remove scenarios. When you right-click any scenario, you get the following:

You can also manage scenarios in Scenario Manager.

  1. Click Edit→Open Scenario Manager...

Active Scenario

The Active Scenario will be whichever scenario you choose in the Scene Editor. The Default objects layers will be visible by default. When you view scenarios you can choose to display the Default objects or hide them.

1. Click on a scenario to select the active scenario in the Viewport

2. Click on Default Objects once to hide the objects.

The Scene Editor and the Viewport match with the scenario. See active scenarios in 3D views for further options.

See also

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