<validator id="SketchPlugin_ArcEndPointValidator" parameters="end_point_ref"/>
</sketch-2dpoint_selector>
</box>
+ <box id="by_transversal_line"
+ icon="icons/Sketch/arc_perp_32x32.png"
+ title="Perpendicular to line">
+ <sketch_shape_selector id="tangent_point"
+ label="Transversal point"
+ tooltip="Select point on line"
+ shape_types="vertex">
+ <validator id="SketchPlugin_ArcTransversalPoint"/>
+ </sketch_shape_selector>
+ <sketch-2dpoint_selector id="end_point_3"
+ reference_attribute="end_point_ref"
+ title="End point"
+ tooltip="End point"
+ accept_expressions="0"
+ enable_value="enable_by_preferences">
+ <validator id="SketchPlugin_ArcEndPointValidator" parameters="end_point_ref"/>
+ </sketch-2dpoint_selector>
+ </box>
</toolbox>
<labelvalue id="radius"
icon="icons/Sketch/radius.png"