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AVEVA™ Plant SCADA

Add an Ellipse

  • Last UpdatedJul 13, 2023
  • 5 minute read

You use the Ellipse tool to draw ellipses, circles, arcs, and pie-slices. Ellipse objects can be moved, re-sized, reshaped, brought to the front and so on, and their properties edited just like other types of object.

To draw an ellipse:

  1. Click the Ellipse tool.

  2. Move the cursor to a corner of the bounding rectangle (marquee) and click (and hold) the mouse button.

  3. Drag the cursor to the opposite corner of the bounding rectangle and release the mouse button. If you hold the Shift key before you start drawing the ellipse, it is drawn from its center outwards.

    When you release the mouse button, the object properties dialog for the ellipse is displayed.

To draw a circle:

  1. Click the Ellipse tool.

  2. Click (and hold) the Ctrl key.

  3. Move the cursor to a corner of the bounding rectangle (marquee) and click (and hold) the mouse button.

  4. Drag the cursor to the opposite corner of the bounding rectangle and release the mouse button. If you hold the Shift key and the Ctrl key before you start drawing the circle, it is drawn from its center outwards.

    When you release the mouse button, the object properties dialog for the circle is displayed.

    Ellipse Properties - Appearance (General)

    Ellipses have the following general appearance properties:

    Property

    Description

    [Line] Width

    The width of the outline of the ellipse (in pixels). You can change the width by clicking the up and down arrows to the right of the field, or by entering another value in this field. If you make the line more than 1 pixel wide, the line style will be solid.

    [Line] Style

    The outline style of the ellipse. You can choose one of the following line styles:

    To change the style, choose a style from the menu to the right of this box.

    [Line] Color

    The outline color of the ellipse.

    [Fill] Filled

    The Filled check box determines whether the ellipse will be filled with a color.

    [Fill] Color

    The color with which the ellipse will be filled. The color that you select as your fill color here is static.

    To specify a fill color that changes with runtime conditions, click the Fill tab. If you have enabled the Fill (Color) properties, be aware that the color you select here will override the OFF color for Fill Color (On/Off), the ABC color for Fill Color (Multi-state), Array Color 0 for Fill Color (Array), and the At minimum color for Fill Color (Gradient).

    [Gradient] Color

    Controls the color of the gradient fill between the fill color and the gradient color. This option is available only when the Filled and Gradient Fill check boxes are selected. The gradient is updated at runtime to reflect the gradient between the two colors selected. Gradient fills support flashing colors.

    Gradients will not rotate with an object; for example, if an object contains a left-to-right gradient fill and is rotated 90 degrees (either at runtime or in Graphics Builder), the gradient is still left to right.

    [Gradient] Direction

    The direction to be used for the gradient color. Use the table below as a guide to choose the gradient color direction you want.

    Left to Right

    Right to Left

    Top to Bottom

    Bottom to Top

    Horizontal Gradient to Middle

    Horizontal Gradient from Middle

    Vertical Gradient to Middle

    Vertical Gradient from Middle

    [Object type] Ellipse

    Select this radio button if you want to the object to be a full ellipse.

    For a full ellipse, you are not required to specify Start and End angles.

    [Object type] Pie-slice

    Select this radio button if you want to remove a section from your ellipse (i.e., you want it to resemble a pie-slice).

    If you select this option, you can specify a Start angle, and an End angle:

    Start angle

    The angle (measured clockwise from 0 degrees) of the section to be removed from the ellipse. For example, if you enter a start angle of 50 degrees, your pie-slice would look something like this:

    End angle

    The angle (measuring clockwise from 0 degrees) of the section of the ellipse which is to remain. For example, if you enter an end angle of 150 degrees, your pie-slice would look something like this:

    Start and End angles can be combined for various effects. For example, a Start angle of 270 degrees, and an End angle of 150 degrees would produce the following pie-slice:

    [Object type] Arc

    Select this radio button if you want to draw an arc.

    If you select this option, you can specify a Start angle, and an End angle:

    Start angle

    The angle (measured clockwise from 0 degrees) defining the segment to be removed from the ellipse, leaving an arc. For example, if you enter a start angle of 50 degrees, your arc would look something like this:

    End angle

    The angle (measuring clockwise from 0 degrees) defining the segment of the ellipse which is to remain. For example, if you enter an end angle of 150 degrees, your pie-slice would look something like this:

    Start and End angles can be combined for various effects. For example, a Start angle of 270 degrees, and an End angle of 150 degrees would produce the following arc:

    For help with the other properties, see Edit Common Object Properties.

    See Also

    Graphics Object Types

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