View corridor

View Corridors protect established view from given observer against building development obstruction. For example, there are multiple view corridors in the city of Seattle that keep the Space Needle clear of buildings. View Corridors are well known practices and accepted mechanisms to keep views of landmarks from being blocked or compromised.

You can create a View Corridor , in the following ways:

  • Click the View Corridor tool in the toolbar.
  • Click Analysis > View Corridor creation in the main menu.
Tip:

A View Corridor is designed to analyze scenarios. It is recommended to create scenarios first before creating View Corridor objects because only buildings in a scenario are colorized by the View Corridor.

Create a View Corridor

To create a View Corridor, do the following:

  1. Click a point in the Viewport to create an observer point.

    This starts the View Corridor tool that dynamically displays the View Corridor as you move .

  2. Drag the View Corridor tool to set the point of interest.
  3. Click again to anchor the Point of Interest in the View Corridor.

    The View Corridor is added to the Scene Editor and is automatically selected. You can directly adjust its properties, such as the Angle of View and View Distance in the Viewport using the handles or in the Inspector using input fields.

    All parts of scenario objects that lie in the View Corridor and are visible from the observer are colored with a chosen color (default is red). To see the Scenario A objects in a View Corridor you can activate Scenario A with the Scenario tool in the Viewport tool . See scenarios for more information.

Adjust the View Corridor

You can adjust the Viewshed in the following ways:

  • In the Viewport, you can click and drag any of the orange sphere handles to modify the properties Observer point, Point of Interest, or Angle of View.
  • In the Inspector you can edit any of the properties.

Properties

The following is a list of the View Corridor the properties in the Inspector:

Horizontal Angle of View

Horizontal angle of view, or field of view, from observer

Vertical Angle of View

Vertical angle of view, or field of view, from observer

Observer Point X

x coordinate of observer

Observer Point Y

y coordinate of observer

Observer Point Z

z coordinate of observer

Point of interest X

x coordinate of point of interest

Point of interest Y

y coordinate of point of interest

Point of interest Z

z coordinate of point of interest

Tip:

The Colorize Scene property in the Inspector allows you to choose whether you want to color the scenario objects that are in the View Corridor. The preview helps the placement of the View Corridor and shows which active scenario objects alter the protected view.