Altium Designer Documentation

Pie Chart

Created: 09.06.2017 | Updated: 19.06.2017

The Pie Chart dialog.


This dialog allows the designer to specify the properties of a Pie Chart object. A pie chart is a non-electrical drawing primitive. It is a circular sector graphic element that can be placed on a schematic sheet. It can be filled or unfilled.

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


The Pie Chart 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 pie chart object to be changed, which will be applied when placing subsequent pie charts.

During placement, the dialog can be accessed during placement 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 pie chart object.
  • Placing the cursor over the pie chart object, right-clicking and choosing Properties from the context menu.
  • Using the Edit » Change command and clicking once over the placed pie chart object.


  • Radius - the radius of the pie chart, measured from its center point, to the center of the arc line.
  • Border Width - the width of the border used to draw the outline of the pie piece. Available widths are: Smallest, Small, Medium, and Large.
  • Start Angle - the start angle of the pie piece, in degrees from the horizontal.
  • End Angle - the end angle of the pie piece, in degrees from the horizontal.
The pie chart is drawn in an anti-clockwise direction from the Start Angle to the End Angle. Enter a value between -360 and 360 for each of these angles.
  • Location X/Y - the current X (horizontal) and Y (vertical) coordinates for the center point of the pie chart. Edit these values to change the position of the pie chart in the horizontal and/or vertical planes respectively.
  • Color - click the color sample to change the fill color for the pie chart, using the standard Choose Color dialog. The Draw Solid option must be enabled for the pie chart to be filled.
  • Draw Solid - if this option is enabled, the pie chart is filled with the color set in the Color field. If this option is disabled, the pie chart is drawn in outline only.
  • Border Color - click the color sample to change the color used for the pie chart's outline, using the standard Choose Color dialog.
  • Locked - enable this option to protect the pie chart 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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