dsdm.addSpatialField("geom", FShape.MULTI);
dsdm.addField("id", INT);
dsdm.addField("shape", STRING);
dsdm.addField("entity", STRING);
dsdm.addField("layer", STRING);
dsdm.addField("color", INT);
dsdm.addField("elevation", DOUBLE);
dsdm.addField("thickness", DOUBLE);
dsdm.addField("text", STRING);
dsdm.addField("heighttext", DOUBLE);
dsdm.addField("rotationtext", DOUBLE);