Altium Designer Documentation

Ellipse

Created: June 8, 2017 | Updated: June 16, 2017

The Ellipse dialog.

Summary

This dialog allows the designer to specify the properties of an Ellipse object. An ellipse is a non-electrical drawing primitive that can be placed on a schematic sheet. It can be filled or unfilled.

For information on how a placed ellipse object can be modified graphically, directly in the workspace, see Graphical Editing.

Access

The Ellipse dialog can be accessed prior to entering placement mode, from the Schematic – Default Primitives page of the Preferences dialog. This allows the default properties for the ellipse object to be changed, which will be applied when placing subsequent ellipses.

During placement, the dialog can be accessed by pressing the Tab key.

While attributes can be modified during placement, bear in mind that these will become the default settings for further placement unless the Permanent option on the Schematic – Default Primitives page of the Preferences dialog is enabled. When this option is enabled, changes made will affect only the object being placed and subsequent objects placed during the same placement session.

After placement, the dialog can be accessed in one of the following ways:

  • Double-clicking on the placed ellipse object.
  • Placing the cursor over the ellipse object, right-clicking and choosing Properties from the context menu.
  • Using the Edit » Change command and clicking once over the placed ellipse object.

Options/Controls

  • Border Width - the width of the border used to draw the outline of the elliptical shape. Available widths are: Smallest, Small, Medium, and Large.
  • X-Radius - the radius of the ellipse in the horizontal plane (Y = 0), measured from its center point, to the center of the intersecting border outline.
  • Y-Radius - the radius of the ellipse in the vertical plane (X = 0), measured from its center point, to the center of the intersecting border outline.
  • Border Color - click the color sample to change the color used for the ellipse's outline, using the standard Choose Color dialog.
  • Fill Color - click the color sample to change the fill color for the ellipse, using the standard Choose Color dialog. The Draw Solid option must be enabled for the ellipse to be filled.
  • Draw Solid - if this option is enabled, the ellipse is filled with the color set in the Fill Color field. If this option is disabled, the ellipse is drawn in outline only.
  • Transparent - enable this option to allow objects placed beneath the ellipse to be shown in the workspace.
  • Location X/Y - the current X (horizontal) and Y (vertical) coordinates for the center point of the ellipse. Edit these values to change the position of the ellipse in the horizontal and/or vertical planes respectively.
  • Locked - enable this option to protect the ellipse from being edited graphically.
If attempting to graphically modify an object that has its Locked property enabled, a dialog will appear asking for confirmation to proceed with the edit. If the Protect Locked Objects option is enabled on the Schematic – Graphical Editing page of the Preferences dialog, and the Locked option for that design object is enabled as well, then that object cannot be selected or graphically edited. Double click on the locked object directly and disable the Locked property, or disable the Protect Locked Objects option, to graphically edit the object.

 

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