UnitProcessor.Context uctx
= UnitProcessor.createContext(ctx, filteredElement);
switch (unitsType) {
case OBJECT_BOUNDING_BOX:
GraphicsNodeRenderContext rc = ctx.getGraphicsNodeRenderContext();
Rectangle2D bounds = filteredNode.getGeometryBounds(rc);
if (xStr.length() != 0) {
x = UnitProcessor.svgHorizontalCoordinateToObjectBoundingBox
(xStr, SVG_X_ATTRIBUTE, uctx);
x = bounds.getX() + x*bounds.getWidth();