Constant.SPACING_FOR_COMPOSITE_OF_REFERENCE,
comp.getReferences().size());
for (String ref : comp.getReferences()) {
ReferenceArtifact refer = new ReferenceArtifact();
Element polygon = refer.addElement(doc, svgNS, x, y, refHeight);
Element text = Text.addTextElement(doc, svgNS, x, y - Constant.SPACING_FOR_TEXT, ref);
svgRoot.appendChild(polygon);
svgRoot.appendChild(text);
y += (refHeight + Constant.SPACING_FOR_COMPOSITE_OF_REFERENCE);