diff --git a/src/db/unit_tests/dbRegionTests.cc b/src/db/unit_tests/dbRegionTests.cc
index 126dda6cc..ac7a2c0bc 100644
--- a/src/db/unit_tests/dbRegionTests.cc
+++ b/src/db/unit_tests/dbRegionTests.cc
@@ -2573,63 +2573,63 @@ TEST(60_sized_inside)
   r.insert (db::Box (20, 20, 30, 60));
   inside.insert (db::Box (-10, 10, 100, 100));
 
-  EXPECT_EQ (db::Region ().sized_inside (db::Region (), false, 0, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (db::Region (), false, 40, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (inside, false, 0, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (inside, false, 40, 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (db::Region (), false, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (db::Region (), false, db::Coord (40), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (inside, false, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (inside, false, db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (inside, false, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 1, -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 40, 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (1), -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (40), 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
 
-  EXPECT_EQ (r.sized_inside (inside, false, 0, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 40, 40, 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (0), db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (40), db::Coord (40), 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
 
-  EXPECT_EQ (r.sized_inside (inside, false, 0, 20, 10).to_string (), "(-10,10;-10,80;30,80;30,10)");
-  EXPECT_EQ (r.sized_inside (inside, false, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 10, 20, 10).to_string (), "(-10,10;-10,80;40,80;40,10)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (0), db::Coord (20), 10).to_string (), "(-10,10;-10,80;30,80;30,10)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (10), db::Coord (20), 10).to_string (), "(-10,10;-10,80;40,80;40,10)");
 
   db::Region d;
   d = r;
-  d.size_inside (inside, false, 0, 20, 10);
+  d.size_inside (inside, false, db::Coord (0), db::Coord (20), 10);
   EXPECT_EQ (d.to_string (), "(-10,10;-10,80;30,80;30,10)");
   d = r;
-  d.size_inside (inside, false, 1, 2, 0);
+  d.size_inside (inside, false, db::Coord (1), db::Coord (2), 0);
   EXPECT_EQ (d.to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
   d = r;
-  d.size_inside (inside, false, 10, 20, 10);
+  d.size_inside (inside, false, db::Coord (10), db::Coord (20), 10);
   EXPECT_EQ (d.to_string (), "(-10,10;-10,80;40,80;40,10)");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 0, 40).to_string (), "");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 1, -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 40, 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (1), -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 0, 0, 40).to_string (), "");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 40, 40, 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (0), db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (40), db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 0, 20, 10).to_string (), "");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 10, 20, 10).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (0), db::Coord (20), 10).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (10), db::Coord (20), 10).to_string (), "");
 
   try {
     //  no negative sizing
-    r.sized_inside (inside, false, -1, 1);
+    r.sized_inside (inside, false, db::Coord (-1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
   try {
     //  no negative sizing
-    r.sized_inside (inside, false, -1, 1, 1);
+    r.sized_inside (inside, false, db::Coord (-1), db::Coord (1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
   try {
     //  no negative sizing
-    r.sized_inside (inside, false, 1, -1, 1);
+    r.sized_inside (inside, false, db::Coord (1), db::Coord (-1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
@@ -2645,51 +2645,51 @@ TEST(61_sized_outside)
   outside.insert (db::Box (-20, 0, 110, 10));
   outside.insert (db::Box (-20, 100, 110, 110));
 
-  EXPECT_EQ (db::Region ().sized_inside (db::Region (), true, 0, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (db::Region (), true, 40, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (outside, true, 0, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (outside, true, 40, 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (db::Region (), true, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (db::Region (), true, db::Coord (40), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (outside, true, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (outside, true, db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (outside, true, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 1, -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 40, 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (1), -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (40), 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
 
-  EXPECT_EQ (r.sized_inside (outside, true, 0, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 40, 40, 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (0), db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (40), db::Coord (40), 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
 
-  EXPECT_EQ (r.sized_inside (outside, true, 0, 20, 10).to_string (), "(-10,10;-10,80;30,80;30,10)");
-  EXPECT_EQ (r.sized_inside (outside, true, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 10, 20, 10).to_string (), "(-10,10;-10,80;40,80;40,10)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (0), db::Coord (20), 10).to_string (), "(-10,10;-10,80;30,80;30,10)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (10), db::Coord (20), 10).to_string (), "(-10,10;-10,80;40,80;40,10)");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 40, 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (40), 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 0, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 40, 40, 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (0), db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (40), db::Coord (40), 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 0, 20, 10).to_string (), "(-10,0;-10,80;30,80;30,0)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 10, 20, 10).to_string (), "(-20,0;-20,80;40,80;40,0)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (0), db::Coord (20), 10).to_string (), "(-10,0;-10,80;30,80;30,0)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (10), db::Coord (20), 10).to_string (), "(-20,0;-20,80;40,80;40,0)");
 
   try {
     //  no negative sizing
-    r.sized_inside (outside, true, -1, 1);
+    r.sized_inside (outside, true, db::Coord (-1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
   try {
     //  no negative sizing
-    r.sized_inside (outside, true, -1, 1, 1);
+    r.sized_inside (outside, true, db::Coord (-1), db::Coord (1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
   try {
     //  no negative sizing
-    r.sized_inside (outside, true, 1, -1, 1);
+    r.sized_inside (outside, true, db::Coord (1), db::Coord (-1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
@@ -2704,70 +2704,70 @@ TEST(62_sized_inside_deep)
   r.insert (db::Box (20, 20, 30, 60));
   inside.insert (db::Box (-10, 10, 100, 100));
 
-  EXPECT_EQ (db::Region ().sized_inside (db::Region (), false, 0, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (db::Region (), false, 40, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (inside, false, 0, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (inside, false, 40, 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (db::Region (), false, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (db::Region (), false, db::Coord (40), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (inside, false, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (inside, false, db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (empty.sized_inside (empty, false, 0, 40).to_string (), "");
-  EXPECT_EQ (empty.sized_inside (empty, false, 40, 40).to_string (), "");
-  EXPECT_EQ (empty.sized_inside (inside, false, 0, 40).to_string (), "");
-  EXPECT_EQ (empty.sized_inside (inside, false, 40, 40).to_string (), "");
+  EXPECT_EQ (empty.sized_inside (empty, false, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (empty.sized_inside (empty, false, db::Coord (40), 40).to_string (), "");
+  EXPECT_EQ (empty.sized_inside (inside, false, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (empty.sized_inside (inside, false, db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (inside, false, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 1, -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 40, 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (1), -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (40), 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
 
-  EXPECT_EQ (r.sized_inside (inside, false, 0, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 40, 40, 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (0), db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (40), db::Coord (40), 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
 
-  EXPECT_EQ (r.sized_inside (inside, false, 0, 20, 10).to_string (), "(-10,10;-10,80;30,80;30,10)");
-  EXPECT_EQ (r.sized_inside (inside, false, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (inside, false, 10, 20, 10).to_string (), "(-10,10;-10,80;40,80;40,10)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (0), db::Coord (20), 10).to_string (), "(-10,10;-10,80;30,80;30,10)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (inside, false, db::Coord (10), db::Coord (20), 10).to_string (), "(-10,10;-10,80;40,80;40,10)");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 0, 40).to_string (), "");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 1, -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 40, 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (1), -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 0, 0, 40).to_string (), "");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 40, 40, 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (0), db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (40), db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 0, 20, 10).to_string (), "");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), false, 10, 20, 10).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (0), db::Coord (20), 10).to_string (), "");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), false, db::Coord (10), db::Coord (20), 10).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (empty, false, 0, 40).to_string (), "");
-  EXPECT_EQ (r.sized_inside (empty, false, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (empty, false, 1, -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (empty, false, 40, 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (1), -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (empty, false, 0, 0, 40).to_string (), "");
-  EXPECT_EQ (r.sized_inside (empty, false, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (empty, false, 40, 40, 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (0), db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (40), db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (empty, false, 0, 20, 10).to_string (), "");
-  EXPECT_EQ (r.sized_inside (empty, false, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (empty, false, 10, 20, 10).to_string (), "");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (0), db::Coord (20), 10).to_string (), "");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (empty, false, db::Coord (10), db::Coord (20), 10).to_string (), "");
 
   try {
     //  no negative sizing
-    r.sized_inside (inside, false, -1, 1);
+    r.sized_inside (inside, false, db::Coord (-1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
   try {
     //  no negative sizing
-    r.sized_inside (inside, false, -1, 1, 1);
+    r.sized_inside (inside, false, db::Coord (-1), db::Coord (1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
   try {
     //  no negative sizing
-    r.sized_inside (inside, false, 1, -1, 1);
+    r.sized_inside (inside, false, db::Coord (1), db::Coord (-1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
@@ -2785,68 +2785,68 @@ TEST(63_sized_outside_deep)
   outside.insert (db::Box (-20, 0, 110, 10));
   outside.insert (db::Box (-20, 100, 110, 110));
 
-  EXPECT_EQ (db::Region ().sized_inside (db::Region (), true, 0, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (db::Region (), true, 40, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (outside, true, 0, 40).to_string (), "");
-  EXPECT_EQ (db::Region ().sized_inside (outside, true, 40, 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (db::Region (), true, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (db::Region (), true, db::Coord (40), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (outside, true, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (db::Region ().sized_inside (outside, true, db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (empty.sized_inside (empty, true, 0, 40).to_string (), "");
-  EXPECT_EQ (empty.sized_inside (empty, true, 40, 40).to_string (), "");
-  EXPECT_EQ (empty.sized_inside (outside, true, 0, 40).to_string (), "");
-  EXPECT_EQ (empty.sized_inside (outside, true, 40, 40).to_string (), "");
+  EXPECT_EQ (empty.sized_inside (empty, true, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (empty.sized_inside (empty, true, db::Coord (40), 40).to_string (), "");
+  EXPECT_EQ (empty.sized_inside (outside, true, db::Coord (0), 40).to_string (), "");
+  EXPECT_EQ (empty.sized_inside (outside, true, db::Coord (40), 40).to_string (), "");
 
-  EXPECT_EQ (r.sized_inside (outside, true, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 1, -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 40, 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (1), -1).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (40), 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
 
-  EXPECT_EQ (r.sized_inside (outside, true, 0, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 40, 40, 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (0), db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (40), db::Coord (40), 40).to_string (), "(-10,10;-10,100;70,100;70,10)");
 
-  EXPECT_EQ (r.sized_inside (outside, true, 0, 20, 10).to_string (), "(-10,10;-10,80;30,80;30,10)");
-  EXPECT_EQ (r.sized_inside (outside, true, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (outside, true, 10, 20, 10).to_string (), "(-10,10;-10,80;40,80;40,10)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (0), db::Coord (20), 10).to_string (), "(-10,10;-10,80;30,80;30,10)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (outside, true, db::Coord (10), db::Coord (20), 10).to_string (), "(-10,10;-10,80;40,80;40,10)");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 40, 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (40), 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 0, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 40, 40, 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (0), db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (40), db::Coord (40), 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
 
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 0, 20, 10).to_string (), "(-10,0;-10,80;30,80;30,0)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (db::Region (), true, 10, 20, 10).to_string (), "(-20,0;-20,80;40,80;40,0)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (0), db::Coord (20), 10).to_string (), "(-10,0;-10,80;30,80;30,0)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (db::Region (), true, db::Coord (10), db::Coord (20), 10).to_string (), "(-20,0;-20,80;40,80;40,0)");
 
-  EXPECT_EQ (r.sized_inside (empty, true, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (empty, true, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (empty, true, 40, 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
+  EXPECT_EQ (r.sized_inside (empty, true, db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (empty, true, db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (empty, true, db::Coord (40), 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
 
-  EXPECT_EQ (r.sized_inside (empty, true, 0, 0, 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (empty, true, 1, 1, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (empty, true, 40, 40, 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
+  EXPECT_EQ (r.sized_inside (empty, true, db::Coord (0), db::Coord (0), 40).to_string (), "(-10,20;-10,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (empty, true, db::Coord (1), db::Coord (1), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (empty, true, db::Coord (40), db::Coord (40), 40).to_string (), "(-50,-20;-50,100;70,100;70,-20)");
 
-  EXPECT_EQ (r.sized_inside (empty, true, 0, 20, 10).to_string (), "(-10,0;-10,80;30,80;30,0)");
-  EXPECT_EQ (r.sized_inside (empty, true, 1, 2, 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
-  EXPECT_EQ (r.sized_inside (empty, true, 10, 20, 10).to_string (), "(-20,0;-20,80;40,80;40,0)");
+  EXPECT_EQ (r.sized_inside (empty, true, db::Coord (0), db::Coord (20), 10).to_string (), "(-10,0;-10,80;30,80;30,0)");
+  EXPECT_EQ (r.sized_inside (empty, true, db::Coord (1), db::Coord (2), 0).to_string (), "(-10,20;-10,60;20,60;20,20);(20,20;20,60;30,60;30,20)");
+  EXPECT_EQ (r.sized_inside (empty, true, db::Coord (10), db::Coord (20), 10).to_string (), "(-20,0;-20,80;40,80;40,0)");
 
   try {
     //  no negative sizing
-    r.sized_inside (outside, true, -1, 1);
+    r.sized_inside (outside, true, db::Coord (-1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
   try {
     //  no negative sizing
-    r.sized_inside (outside, true, -1, 1, 1);
+    r.sized_inside (outside, true, db::Coord (-1), db::Coord (1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }
   try {
     //  no negative sizing
-    r.sized_inside (outside, true, 1, -1, 1);
+    r.sized_inside (outside, true, db::Coord (1), db::Coord (-1), 1);
     EXPECT_EQ (true, false);
   } catch (...) {
   }