Editing Shapes with Arc, Bezier, line, curve and Freehand

Edraw is a vector-based graphic design software.

It has very powerful shape editing function, including Arc, Bezier, line, curve, Freehand and more than 5000 pre-defined shapes.

About Arcs

Every arc that you draw using the Arc tool follows the perimeter of an invisible ellipse. You can perform these actions:

  1. Change the bow of an arc so that the arc becomes a larger or smaller portion of the circle or ellipse. You can even flatten an arc to make it a line.
  2. Edit an arc by dragging its eccentricity handles to reshape the ellipse on which the arc is based. You can change the way the arc leans (the angle of eccentricity) and its flatness (the magnitude of eccentricity).

About Shape Segments and Vertices

A segment is a straight line or a curve that is part of a more complex shape. Between each pair of segments is a vertex (vertex, vertices: One of the diamond-shaped handles that appears between two segments on a multiple-segment shape, or at the end of a segment. You can reshape a shape or connector by dragging its vertices.) . You can:

  1. Add a segment to a shape by adding a new vertex to an existing segment.
  2. Reshape shape by dragging a vertex.
  3. Reshape shape by dragging the control point on segment.

Add a New Segment to a Shape

  1. If the Tools toolbar isn't already open, on View menu, move mouse to Toolbars, click Tools on pop menu.
  2. Click the Line, Arc, Curve or Freehand, and then select a shape.
  3. Between two existing vertices on the shape's outline, point to where you want to add the segment.
  4. Click.

    A new vertex appears where you clicked the shape, creating a new segment. To make the shape look the way you want, you may need to adjust it by dragging vertices and control points (control point: (1) The circle that appears on a line segment or an arc segment when you select them with the Drawing tools. Drag a control point to change the curve of an arc or ellipse. (2) A point that influences the curvature of a spline segment.) .

Reshape a Line

  1. If the Tools toolbar isn't already open, on View menu, move mouse to Toolbars, click Tools on pop menu.
  2. Click the Line, Sector, Arc , Curve or Freehand, and then select a shape.
  3. Select a line or a shape contains a line, and position the mouse over the shape to automatically display the control point .
  4. Move the control point you want.

Through this way a line can be changed to an arc, vice versa.

Reshape an arc

Change the curvature of an arc

Change the Eccentricity (or symmetry) of an Arc

Reshape a curve

  1. If the Tools toolbar isn't already open, on View menu, move mouse to Toolbars, click Tools on pop menu.
  2. Click the Line, Arc, Curve or Freehand, and then select a shape.
  3. Select a curve or shape contains a curve, and position the mouse over the shape to automatically display the control point .
  4. Move the control point you want.

Reshape a freehand curve

  1. Click the Freehand tool, you also can click other Drawing tools, and then select a freehand curve (freehand curve: A shape with curved segments. Also called a spline.).
  2. Click the vertex you want to reshape, and the control handles will appear.
  3. Drag a control point to change the shape of the freeform curve.

Reshape a shape by dragging a vertex

  1. If the Tools toolbar isn't already open, on View menu, move mouse to Toolbars, click Tools on pop menu.
  2. Click the Line, Arc, Curve or Freehand, and then select a shape.
  3. Select a shape.

    For shapes that you create using the drawing tools, you can also select a shape using the Selection tool, and then position the pointer over the shape to automatically display vertices or control points and move them.

  4. Click the vertex .

    When the pointer is directly over the vertex or control point, it changes to a four-headed arrow . When the vertex or control point is selected, its color changes to magenta.

  5. Drag the vertex or control point to a new position.

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