Corel Painter X3 Win/Mac, EDU, EN Guía de usuario Pagina 569

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546 Corel Painter X3 Getting Started Guide
Creating path-based selections
You can create path-based selections that are rectangular or oval. If you need more
flexibility, you can create freehand selections by using the Lasso or the Polygonal
Selection tools. The Lasso tool creates selections based on freehand segments. The
Polygonal Selection tool selects an area with more precision by setting different points
on the image and anchoring them using straight-line segments.
You can apply transformations only to path-based selections. However, you can convert
any pixel-based selections to path-based selections in order to perform transformations.
It’s important to note that when converting a pixel-based selection, the modified
selection is reduced to only two levels of protection: the inside or the outside of the
selection is protected. For more information, see “Choosing the protected area of a
selection” on page 554.
In addition, if you select multiple layers prior to performing a transformation on a path-
based selection, the transformation applies to the selected area across any layers that are
currently selected. For example, if you select a layer group, the selection and
transformation is applied to all layers within that group. Therefore, make sure to select
only the desired layers before performing a transformation.
You can also select the entire canvas or create path-based selections by converting
shapes or pixel-based selections. Converting a shape to create a path-based selection is
useful for selecting an area that is identical to an existing shape or text.
To make an oval or a circular selection
1 Choose Window Layers.
2 In the Layers panel, do one of the following:
• Click a layer.
• Click a layer group.
Option Description
Alpha channels Stores both path-based and pixel-based selections for the current
document. You can modify alpha channels by combining them
with the current selection.
Selection Portfolio Stores path-based selections in a library to make them accessible
from any document
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