Pie Chart

A pie chart is one of the fundamental plot types.

XML specimens

Minimal working XML for a pie plot. Note this does not reference values in a spreadsheet.:

<?xml version='1.0' encoding='UTF-8' standalone='yes'?>
<c:chartSpace
  xmlns:c="http://schemas.openxmlformats.org/drawingml/2006/chart"
  xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main"
  xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">
  <c:chart>
    <c:plotArea>
      <c:pieChart>
        <c:ser>
          <c:idx val="0"/>
          <c:order val="0"/>
          <c:tx>
            <c:v>Sales</c:v>
          </c:tx>
          <c:cat>
            <c:strLit>
              <c:ptCount val="4"/>
              <c:pt idx="0">
                <c:v>1st Qtr</c:v>
              </c:pt>
              <c:pt idx="1">
                <c:v>2nd Qtr</c:v>
              </c:pt>
              <c:pt idx="2">
                <c:v>3rd Qtr</c:v>
              </c:pt>
              <c:pt idx="3">
                <c:v>4th Qtr</c:v>
              </c:pt>
            </c:strLit>
          </c:cat>
          <c:val>
            <c:numLit>
              <c:ptCount val="4"/>
              <c:pt idx="0">
                <c:v>8.2</c:v>
              </c:pt>
              <c:pt idx="1">
                <c:v>3.2</c:v>
              </c:pt>
              <c:pt idx="2">
                <c:v>1.4</c:v>
              </c:pt>
              <c:pt idx="3">
                <c:v>1.2</c:v>
              </c:pt>
            </c:numLit>
          </c:val>
        </c:ser>
      </c:pieChart>
    </c:plotArea>
  </c:chart>
</c:chartSpace>