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Reshaping Graphics Objects

In this tutorial, the following topics are discussed:

Pointers

Vertices and Circle Points

Line Segments

Primitives

Reshaping Overlapping Objects

Multiple Objects

Pointers

The following sequence explains how to use the Reshape tool ( , , and ).
Double-click the background and press the r key to make the Reshape tool ( ) appear.
Click for copyable input
Move the pointer over a filled rectangle—the subscript on the pointer is a pair of double arrows () indicating that the rectangle can be dragged.
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You can now drag the rectangle.
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Move the pointer over a vertex—the subscript on the pointer is a small circle ( ).
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Now you can drag the vertex to reshape the line.
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Move the pointer over a line segment—the subscript on the pointer is a small line ( ).
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You can drag the line segment to reshape the line. Rectangle primitives do not have selectable line segments.
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Vertices and Circle Points

The following sequence shows where the selectable points of graphics primitives are located and how to select them.
Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
Move the pointer over a vertex—the subscript on the pointer is a small circle ( ). Click to select the vertex. The other vertices are shown but are not selected.
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Shift+click another vertex to add it to the selection.
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Shift+click a selected vertex to deselect it.
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Drag the center or the top right corner point of a Circle or Disk primitive to reshape it. The two vertices of a Rectangle are at opposite corners. Polygon and Line primitives have vertices at every corner.
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Line Segments

The following sequence shows where the line segments of graphics primitives are located and how to select them.
Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
Move the pointer over a line segment—the subscript on the pointer is a small line ( ). Click to select the line segment.
Click for copyable input
Shift+click another line segment to add it to the selection.
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Shift+click a selected line segment to deselect it.
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Double-click a line segment to select all the line segments of the polygon.
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Polygon and Line primitives have line segments on their sides. Circle, Disk, and Rectangle primitives do not have selectable line segments.
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Primitives

Reshaping a Rectangle

The following sequence shows how to reshape a Rectangle primitive.
Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
Rectangles have vertices at opposite corners. Click a vertex to select it.
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Drag the selected vertex to reshape the Rectangle. Rectangle primitives do not have line segments that can be selected.
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Reshaping a Disk

The following sequence shows how to reshape a Disk primitive.
Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
Click the center point of a disk. You can now see the top right corner point.
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Drag the center point. This keeps the top right corner point fixed in the same place but changes the shape of the disk.
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Click the top right corner point to select it. This deselects the center point.
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Drag the top right corner point to change the radius of the disk. The center does not change.
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Reshaping a Polygon

The following sequence shows how to reshape the lower polygon to fit the upper polygon.
Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
Click the vertex A.
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Drag the vertex A to reshape the polygon.
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Click the vertex B and Shift+click the vertex C.
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Drag either B or C.
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Click the line segment k to select it.
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Drag k to reshape the polygon.
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Click the line segment l and Shift+click the line segment m.
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Drag either l or m to move them both together.
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Click the line segment n and Shift+click the vertex D.
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Drag either n or D to move them both together.
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Reshaping Lines

The following sequence shows how to reshape the line below to a zigzag pattern.
Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
Click the vertex A.
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Drag A to reshape the line.
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Click the vertex B and Shift+click the vertices C and D.
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Drag one of the selected vertices.
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Click the line segment k to select it.
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Drag k to reshape the line.
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Click the line segment l and Shift+click the line segments m and n.
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Drag one of the selected line segments to move them all simultaneously.
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Shift+click the vertex E to add it to the selection.
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Drag one of the selected line segments or E to move them all simultaneously.
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Reshaping Overlapping Objects

The following sequence shows how to reshape a hidden object.
There are four hidden rectangles underneath the disk in the middle. Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
To select one of the hidden rectangles, click the background and drag across the disk. To select the whole rectangle, you may need to start from a new position.
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You can move the rectangle by dragging its highlight.
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To reshape the selected hidden rectangle, first Shift+click a corner to deselect the vertex.
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Then drag the other vertex.
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Multiple Objects

Reshaping Multiple Rectangles

The following sequence shows how to reshape a set of rectangles simultaneously.
Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
Click one of the two vertices of a rectangle.
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Shift+click some vertices in the other rectangles.
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Drag one of the selected vertices. All of the selected rectangles will be reshaped simultaneously.
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Reshaping Multiple Lines

The following sequence shows how to reshape three lines simultaneously.
Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
Click a segment of one of the Line primitives.
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Shift+click segments in other Line primitives.
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Drag any one of the selected segments to simultaneously reshape the three Line primitives.
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Reshaping with Vertices and Line Segments

The following sequence shows how to reshape with different kinds of objects.
Double-click the background and press the r key to make the Reshape Tool ( ) appear.
Click for copyable input
Click the background and drag across all the line segments and vertices around the gap in the middle.
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Drag one of the selected line segments or vertices to simultaneously reshape the whole picture.
Click for copyable input