protected override SymDef CreateSymDef(Map map, SymColor symColor)
{
AreaSymDef symdef = new AreaSymDef("Dangerous area", "710", null, null);
AreaSymDef.HatchInfo hatchInfo = new AreaSymDef.HatchInfo();
hatchInfo.hatchColor = symColor;
hatchInfo.hatchWidth = 0.25F * scaleRatio;
hatchInfo.hatchSpacing = 0.6F * scaleRatio;
hatchInfo.hatchAngle = 45;
symdef.AddHatching(hatchInfo);
hatchInfo.hatchAngle = 135;
symdef.AddHatching(hatchInfo);
symdef.ToolboxImage = MapUtil.CreateToolboxIcon(Properties.Resources.OOB_OcadToolbox);
map.AddSymdef(symdef);
return symdef;
}