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Setting Up Viewports

Warning
The functionality described in this article is not available in the Community SDK edition.
You should upgrade to Sim SDK edition to use it.

SpiderVision Setup window is the plugin interface that allows configuring the viewports arrangement, size, warping, colors, etc.

By default, this window opens on pressing the F10 button. The hotkey may be reconfigured in the configuration file.

The camera in the configurator window is controlled by RMB + mouse movements and WASD buttons. Displays can be selected by cursor both in the viewports tab and in the configurator window, projectors can be selected in the viewport tab only.

Creating Configuration#

To start creating a setup from scratch, use the Create button.

You can also use the Wall Generator to generate a wall of viewports.

Save the configuration via the menu (File -> Save) and then load it (File -> Load) to initiate rendering of the configured viewports.

By default, at opening the SpiderVision Setup window, either a config file named default.sv or an empty config file is loaded. Thus, you can name your config file default.sv to let it load automatically as you run the project, or use the -config_path start-up command.

Warning
If you want to reload the configuration or load another configuration, it is recommended to restart the Engine window to ensure flawless operation.

To remove the viewport, select it in the viewports tab and use the Remove button. Keep in mind, that if a viewport is in the wall group, it cannot be removed individually, only the whole group is removed.

Configuring Viewports#

To configure a viewport, select it either in the viewports tab or in the display&projection visualization area. The following settings become available:

Viewport
Projection Enabled

Toggles correction of the image in the viewport. If disabled, the image is rendered as seen from the point of view without any distortions (i.e. regardless of the viewport plane position in the configuration space). If enabled, the image takes into account the projection angle (i.e. the viewport plane position relative to the point of view in the configuration space) and distorts the rendered image accordingly.

Projection Disabled

Projection Enabled
Type

Image type rendered in the viewport.

  • Display
  • Projector
Name Viewport name displayed in the window title bar and in the viewports tab on the left side of the SpiderVision Setup window.
Computer name

The name of the computer on which the viewport is to be displayed. If the box is empty, the viewport is displayed on any PC. If the name is set, the viewport is only displayed on the PC that has a matching name.

The computer name can also be set at the application instance start-up by using the corresponding start-up command.

Window
Grab The button that allows copying the currently set position, display index and window size to the window settings.
Display index OS index of the display on which the viewport should be rendered. If set to the index that exceeds (total number of displays - 1), the viewport is displayed on the monitor with the index 0.
Window mode

Mode of the displayed window.

  • Window
  • FullscreenFree
Window size Size of the window on the display if it is in the Window mode.
Window position The window position on the screen (screen-space coordinates of the upper left corner).
Transform
Position The viewport plane position relative to the point of view (does not affect runtime if Projection Enabled is disabled).
Rotation The viewport plane rotation relative to the point of view (does not affect runtime if Projection Enabled is disabled).
Type Dependent
Physical size The viewport plane size in the configuration space (for Display image type).
Offset FOV offset (for Projector image type).
Aspect Aspect ratio (for Projector image type).
Vertical FOV Vertical field of view, in degrees (for Projector image type).
Horizontal FOV Horizontal field of view, in degrees (for Projector image type).
EasyBlend
Enabled

Toggles rendering of the viewport configuration set in the EasyBlend file (*.ol).

SpiderVision plugin allows rendering the UNIGINE-based application on multi-projector setups that are stored in the calibration files created via Scalable Display Manager and set up via EasyBlend SDK. The setup can have a complex shape, such as dome.

The supported version is Scalable 7.0.

Warning
The uploaded file is read-only. You won't be able to modify it via SpiderVision plugin.
Load / Remove The buttons that allow managing the EasyBlend file (*.ol) to be used for viewport arrangement.

Configuration File#

The configuration file has the *.sv extension and stores all possible data for all viewports including the synchronized ones (rendering the Syncker data), namely:

  • Viewports
  • Parameters
  • Projections
  • Color Correction
  • Blend Zones
  • Masks
  • Wall Groups
  • Configuration name
  • Hotkey to open the setup window

Thus you can manage these settings either via the SpiderVision plugin interface, or manually via the configuration file.

To reconfigure the hotkey that opens the setup window, change the button to the required one in the following line:

Source code (XML)
<displays_config show_hotkey="F10" name="unknown">

You can load the configuration file on start-up using the following argument:

Shell commands
-config_path file_name.sv

Start-Up Commands#

The following commands can be used on the application start-up with the SpiderVision plugin:

-config_path Load the configuration file with the specified name (path) on start-up.
-computer_name Set the name of the computer. If the computer name set for the monitor matches the name of the computer (or is empty), the viewport is rendered.

Using Outdated Configurations#

This plugin has been developed to unify the previously existing Projection plugin (AppProjection), Wall plugin (AppWall), and Syncker multi-display configuration tools.

You can import the outdated configuration files from these plugins (*.cfg) by selecting File -> Import in the menu.

Adjust the imported configuration if necessary, and save it as a SpiderVision configuration file (*.sv).

Last update: 2024-08-30
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