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Page Revision: 2011/07/12 06:01

Renderer is perhaps the most used element for delivering visual stimuli. The element can load and render any library item that contains static graphics. Such library items include bitmap images in any format plus XAML vector graphics.

Table of Contents [Hide/Show] Element Description

Element Description ¶

Renderer elements renders a content of the selected library item inside of a selected rectangular area on the screen. The rendering can be tuned with various properties of the Renderer element. For example, you can adjust the size and contrast of the original graphics item and set its rotation angle.

Each Renderer element works with a its own list of loaded Library items. It's handy for experimental scenarios where you need to present a visual stimulus selected randomly from a stimulus set. You can form a list by simply dragging library items to a Renderer element in the Element Panel. The items included in the list can be always reordered such that each item has its own integer index. Renderer elements has a property that defines which item is currenlty selected and rendered on the screen. Changing this property will cause rendering of a new item.

The list of Renderer properties: +== Properties of Renderer Element ==

+=== Generic Properties of Renderer Element ===

+=== Properties inherited from clLibraryElement ===

Name	Description	Constraints	Value Type	Upon Runtime Change
Material List
Selected Index	Defines the index of the active item in the material list of the element.		Int32	A change causes the current item to be reloaded and an update of the element.
Selected Item	Defines the name of the active item in the material list of the element. The name matches to a name of item in the Material Library		String	A change causes the current item to be reloaded and an update of the element.
Item Count	Returns the total number of items in the material list of the element.	Status..	Int32
Equalize RGB	The property is only available in the visual element. If the value is true, the average RGB pixel intensity will be equalized across all items in the material list. You can turn on this property, when you need to obtain a luminance-balanced set of visual stimulus.	Design Time..	Boolean

+=== Properties inherited from clElement === Inherited properties of clElement

Name	Description	Constraints	Value Type	Upon Change
Control
Is Enabled	If set to false the element is completely omitted when the experiment is run.	Design Time..	Boolean
Title	Title of the element.	Design Time..	String