LEAD Video EFX Bump Map Filter User Interface
The Video EFX Bump Map effect applies a bump filter to a video. The property page is shown in the figure below:
The Video EFX Bump Map property page provides a user interface for changing the filter's attributes.
Changes will be applied directly to the streaming media with the ability to set them permanently by selecting Apply or OK, or to abandon changes by selecting Cancel. Positioning the mouse pointer over a control displays general information for that control. The following table shows the controls and their descriptions:
Control |
Description |
Enable check box |
Enables/Disables the effect. |
Light angle slider |
Controls the light angle on a horizontal plane (360 degree). Range: 0 to 360. |
Elevation slider |
Controls the light angle on a vertical plane (90 degree). Range: 0 to 90. |
Depth slider |
Controls the depth of the object, which will affect the shadow. 0 creates no shadow; higher values create deeper shadows. Range: 1 to 65. |
X offset slider |
Horizontal offset of the resulting frames. Negative values shift to the left; positive values shift to the right. Range: -(Width-1) to Width-1, where Width is the video width. |
Y offset slider |
Vertical offset of the resulting frames. Negative values shift down; positive values shift up. Range: -(Height-1) to Height-1, where Height is the video height. |
Ambient slider |
Controls the relative strength of a directional light. This property is used to control the shadow intensity. A higher value results in less shadow. Range: 0 to 255. |
Invert check box |
Indicates whether to invert shadow and light in the movie. If selected, invert shadow and light, if cleared, do not invert shadow and light. |
Enable effect area check box |
Enables/Disables the effect for a cropped video area. Area limits are set using the Left, Top, Right and Bottom controls. |
Left spin edit control |
Left boundary of the effect area. |
Top spin edit control |
Top boundary of the effect area. |
Right spin edit control |
Right boundary of the effect area. |
Bottom spin edit control |
Bottom boundary of the effect area. |
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