diff -N PolyhedraRegular.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ PolyhedraRegular.java	25 Aug 2005 07:59:33 -0000	1.1
@@ -0,0 +1,46 @@

+/*
+ * PolyhedraRegular.java
+ *
+ * Created on August 24, 2005, 10:34 PM
+ *
+ */
+
+package org.lcsim.geometry.compact.converter.lcdd.util;
+
+/**
+ *
+ * @author jeremym
+ *
+ * This class represents a regular polyhedra solid, e.g. one without any slope to the sides.
+ * Thus, it does not require user definition of any zplanes, unlike Polycone.
+ */
+public class PolyhedraRegular extends Solid
+{
+    double rmin;
+    double rmax;
+    
+    public PolyhedraRegular(String name, int nsides, double rmin, double rmax, double zlength)
+    {
+        super("polyhedra", name);
+        
+        setAttribute("startphi", String.valueOf(0));
+        setAttribute("totalphi", String.valueOf(Math.PI * 2) );
+        setAttribute("numsides", String.valueOf(nsides));
+        
+        if ( rmin < 0 || rmin > rmax )
+        {
+            throw new IllegalArgumentException("rmin <" + rmin + " is invalid.");
+        }
+        
+        if ( rmax < 0 )
+        {
+            throw new IllegalArgumentException("rmax <" + rmax + " is invalid.");
+        }
+        
+        ZPlane zplane1 = new ZPlane(rmin,  rmax, -zlength/2);
+        ZPlane zplane2 = new ZPlane(rmin, rmax, zlength/2);
+        
+        addContent(zplane1);
+        addContent(zplane2);
+    }
+}

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