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LEADTOOLS Filters Help

LEAD Video EFX Bump Map FilterBumpMap Video Effect User Interface

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The Bump Map Video effect applies a bump filtereffect to a video. The property page is shown in the figure below:

The BumpMap property page provides a user interface for changing the filter's attributes.effect.

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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