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66 Manipulating Images<br />
To change a node to a different type:<br />
• Select it and click one of the other node buttons.<br />
Experiment, and you'll begin to appreciate the fine control that these settings<br />
afford. For example, using a light-blue Quick Grill shape, it's easy to appreciate the<br />
difference between node types.<br />
To reset the mesh to full-frame and rectangular:<br />
Sharp means that the slope and depth of the curves<br />
on either side of the node are completely independent of<br />
each other. The contours can be adjusted separately, and<br />
the intersection can be pointed.<br />
Smooth means that the slope of the curve is the<br />
same on both sides of the node, but the depth of the<br />
contours on either side can differ.<br />
Symmetric nodes join curves with the same slope<br />
and depth on both sides of the node.<br />
• Click the Reset Mesh button on the Mesh Context toolbar.<br />
To hide the mesh for a better preview of the image:<br />
• Click the Hide/Show Mesh button on the Mesh Context toolbar. Click<br />
again to reveal the mesh for editing.