+ <group id="Elliptic geometry">
+ <!-- SketchEllipse is a hidden feature. It is created inside SketchMacroEllipse. -->
+ <feature id="SketchEllipse"
+ title="Ellipse"
+ tooltip="Create ellipse"
+ icon="icons/Sketch/ellipse.png"
+ internal="1">
+ <sketch-2dpoint_selector id="ellipse_center"
+ title="Center"
+ tooltip="Center coordinates"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="ellipse_first_focus"
+ title="First focus"
+ tooltip="Focus coordinates"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="ellipse_second_focus"
+ title="Second focus"
+ tooltip="Focus coordinates"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="ellipse_major_axis_start_point"
+ title="Major axis start"
+ tooltip="Coordinates of point on negative direction of major axis"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="ellipse_major_axis_end_point"
+ title="Major axis end"
+ tooltip="Coordinates of point on positive direction of major axis"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="ellipse_minor_axis_start_point"
+ title="Minor axis start"
+ tooltip="Coordinates of point on negative direction of minor axis"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="ellipse_minor_axis_end_point"
+ title="Minor axis end"
+ tooltip="Coordinates of point on positive direction of minor axis"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <labelvalue id="ellipse_major_radius"
+ icon="icons/Sketch/radius_major.png"
+ label="Major radius:"
+ tooltip="Set major radius"
+ default="computed"
+ accept_expressions="0"
+ enable_value="enable_by_preferences">
+ </labelvalue>
+ <labelvalue id="ellipse_minor_radius"
+ icon="icons/Sketch/radius_minor.png"
+ label="Minor radius:"
+ tooltip="Set minor radius"
+ default="computed"
+ accept_expressions="0"
+ enable_value="enable_by_preferences">
+ </labelvalue>
+ <boolvalue id="Auxiliary" label="Auxiliary" default="false" tooltip="Construction element" obligatory="0"/>
+ </feature>
+ <!-- SketchMacroEllipse -->
+ <feature id="SketchMacroEllipse"
+ icon="icons/Sketch/ellipse.png"
+ title="Ellipse"
+ tooltip="Create ellipse"
+ helpfile="ellipseFeature.html">
+ <toolbox id="ellipse_type" modified_in_edit="edit_ellipse_type">
+ <box id="by_center_axis_point"
+ icon="icons/Sketch/ellipse_cent_rad_32x32.png"
+ title="Center, major semi-axis and passing point">
+ <sketch-2dpoint_selector id="first_point"
+ reference_attribute="first_point_ref"
+ title="Center point"
+ tooltip="Center point coordinates"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="second_point"
+ reference_attribute="second_point_ref"
+ title="Major axis point"
+ tooltip="Major axis point coordinates"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="passed_point"
+ reference_attribute="passed_point_ref"
+ title="Passed point"
+ tooltip="Passed point coordinates"
+ accept_expressions="0"
+ enable_value="enable_by_preferences">
+ <!-- <validator id="SketchPlugin_CirclePassedPointValidator"/> -->
+ </sketch-2dpoint_selector>
+ </box>
+ <box id="by_major_axis_and_point"
+ icon="icons/Sketch/ellipse_axes_32x32.png"
+ title="Major axis and passing point">
+ <sketch-2dpoint_selector id="first_point"
+ reference_attribute="first_point_ref"
+ title="Major axis start point"
+ tooltip="Major axis start point coordinates"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="second_point"
+ reference_attribute="second_point_ref"
+ title="Major axis end point"
+ tooltip="Major axis end point coordinates"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ <sketch-2dpoint_selector id="passed_point"
+ reference_attribute="passed_point_ref"
+ title="Passed point"
+ tooltip="Passed point coordinates"
+ accept_expressions="0"
+ enable_value="enable_by_preferences"/>
+ </box>
+ </toolbox>
+<!-- <validator id="GeomValidators_Different" parameters="center_point_ref,passed_point_ref"/> -->
+ <labelvalue id="major_radius"
+ icon="icons/Sketch/radius_major.png"
+ label="Major radius:"
+ tooltip="Set major radius"
+ default="computed"
+ accept_expressions="0"
+ obligatory="0"
+ enable_value="enable_by_preferences">
+ <validator id="GeomValidators_Positive"/>
+ </labelvalue>
+ <labelvalue id="minor_radius"
+ icon="icons/Sketch/radius_minor.png"
+ label="Minor radius:"
+ tooltip="Set minor radius"
+ default="computed"
+ accept_expressions="0"
+ obligatory="0"
+ enable_value="enable_by_preferences">
+ <validator id="GeomValidators_Positive"/>
+ </labelvalue>
+ <boolvalue id="Auxiliary"
+ tooltip="Construction element"
+ label="Auxiliary"
+ default="false"
+ obligatory="0"/>
+ </feature>
+ </group>