Corel DESIGNER Help | Applying lenses

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Applying lenses

Lenses change how the object area beneath the lens appears, not the actual properties and attributes of the objects. You can apply lenses to any vector object, such as a rectangle, ellipse, closed path, or polygon. You can also change the appearance of artistic text and bitmaps. When you apply a lens over a vector object, the lens itself becomes a vector image. Likewise, if the lens is placed over a bitmap, the lens also becomes a bitmap.

After you apply a lens, you can copy it and use it with another object.

The lens types applied to the illustration: (top to bottom) Magnify, Custom color map, and Heat map

The following are the types of lenses that you can apply to objects.

Lens	Description
Brighten	Lets you brighten and darken object areas and set the rate of the brightness and darkness
Color add	Lets you simulate an additive light model. The colors of the objects beneath the lens are added to the color of the lens as if you were mixing colors of light. You can choose the color and the amount of color you want to add.
Color limit	Lets you view an object area with only black and the lens color showing through. For example, if you place a green color limit lens over a bitmap, all colors except green and black are filtered out in the lens area.
Custom color map	Lets you change all the colors of the object area beneath the lens to a color ranging between two colors you specify. You can choose the range’s start and end colors and the progression between the two colors. The progression can follow a direct, forward, or reverse route through the color spectrum.
Fish eye	Lets you distort, magnify, or shrink the objects beneath the lens, according to the percentage value you specify
Heat map	Lets you create the effect of an infrared image by mimicking the heat levels of colors in object areas beneath the lens
Invert	Lets you change the colors beneath the lens to their complementary CMYK colors. Complementary colors are colors that are opposite each other on the color wheel.
Magnify	Lets you magnify an area on an object by an amount that you specify. The magnify lens overrides the original object’s fill, making the object look transparent.
Tinted grayscale	Lets you change the colors of object areas beneath the lens to their grayscale equivalents. Tinted grayscale lenses are particularly effective for creating sepia-tone effects.
Transparency	Lets you make an object look like a piece of tinted film or colored glass
Wireframe	Lets you display the object area beneath the lens with the outline or fill color of your choice. For example, if you set red for the outline and blue for the fill, all areas beneath the lens appear to have red outlines and blue fills.

To apply a lens

1 .

Select an object.

2 .

Click Effects

Lens.

3 .

Choose a lens type from the list box in the Lens docker.

4 .

Specify the settings you want.

You cannot apply the lens effect directly to linked groups such as contoured objects, beveled objects, extruded objects, paragraph text or objects created with Linear pattern tools.

You can preview the different types of lenses in real time without auto-applying them to a drawing by clicking the Lock button and then choosing a lens and settings to preview. When you find the lens you want to use, click Apply, or click the Lock button again to resume auto-applying the lenses while previewing them.

To copy a lens

1 .

Select the object to which you want to copy the lens.

2 .

Click Effects

Copy effect

Lens from.

3 .

Click the object from which you want to copy the lens.

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