Lens
Lens |
|
The
lens |
|
Note: Double clicking
on the lens adjusts the zoom factor of the lens to the one of the main
image.
Note: Using the
mouse wheel on the lens changes the zoom factor.
Synchronize: When this option is activated, the zoom factor of the lens is permanently adjusted to the zoom factor of the main image. Therefore, the user interface for changing the zoom factor of the lens is locked.
Center: Moves the lens to the center of the main image.
Image: Select the image to display in the lens.
Channel: Can display all channels or any channel of a color image (see Image Types).
Color: When this box is checked, the Red, Green, Blue or Hue channel is colored, otherwise these channels are displayed in grayscale.
Show Drawings: Displays in the lens the visible vector drawings (see Display).
Constrain Proportions: If you change the lens width when this box is selected, the height will automatically adjust according to the ratio between the width and the height.
Interpolation is a process of generating a value of a pixel based on its neighbors to increase or to decrease the number of pixels in a digital image (see Display preferences for more details about the interpolation types).
Note: To display
the preferences, press the More Options button or open
the Project Preferences
window 
and select Lens.
can zoom in and out in the range of
8.33% to 1200% by moving the slider, by clicking on the X1
(100%) button or by selecting a value in the context menu of the
lens. It can be used in many situations, for instance to magnify
an area, to compare images or to display an area without the vector
drawings.