7.10.  Apply Lens

Revision History
Revision $Revision: 2099 $ 2006-11-28 j.h

7.10.1.  Overview

Figure 15.95.  The same image, before and after applying lens effect.

The same image, before and after applying lens effect.
The same image, before and after applying lens effect.

After applying this filter, a part of the image is rendered as through a spherical lens.

7.10.2.  Activate the filter

This filter is found in the image window menu under FiltersLight and ShadowApply Lens

7.10.3.  Options

Figure 15.96.  Apply Lens” filter options

Apply Lens filter options

Preview

Parameter setting results are interactively displayed in preview. Scroll bars allow you to move around the image.

Parameter settings

  • Keep original surrounding: The lens seems to be put on the image.

  • Set surroundings to Background color: The part of the image outside the lens will have the Background color selected in Toolbox.

  • Make Surroundings Transparent: The part of the image outside the lens will be transparent.

  • Lens Refraction Index: Lens will be more or less convergent (1-100).