diff --git a/depositgen/init.lua b/depositgen/init.lua
index 30ab51f..83d9147 100644
--- a/depositgen/init.lua
+++ b/depositgen/init.lua
@@ -15,7 +15,7 @@ l.OnInit={}
 l.ToResolve={}
 
 local includes={
-"pipes" --,"veins"
+"pipes","veins"
 }
 
 minetest.register_on_generated(function(minp,maxp,seed)
diff --git a/depositgen/veins.lua b/depositgen/veins.lua
index bc22850..c847e0c 100644
--- a/depositgen/veins.lua
+++ b/depositgen/veins.lua
@@ -41,7 +41,7 @@ local sample_vein_def={
 depositgen.register_vein(sample_vein_def)
 end
 
-rocksl.genvein=function(minp,maxp,pr,vm,area)
+local function generate(minp,maxp,pr,vm,area)
  local t1 = os.clock()
  local data = vm:get_data()
 
@@ -49,9 +49,10 @@ rocksl.genvein=function(minp,maxp,pr,vm,area)
  local chunksize = chunksizer + 1
  local pmapsize = {x = chunksize, y = chunksize, z = chunksize}
  local minpxz = {x = minp.x, y = minp.z}
- local c_sample=minetest.get_content_id("default:stone")
- local c_sample_ore=minetest.get_content_id("default:mese")
  
+ for _,descr in pairs(regs) do
+  local num = math.floor( (chunksize/descr.scarcity) + (pr:next(0,99)/100) )
+  for vc=1, num do
 
   local A=vector.new(pr:next(0,chunksizer)+minp.x,pr:next(0,chunksizer)+minp.y,pr:next(0,chunksizer)+minp.z)
   local B=vector.new(pr:next(0,chunksizer)+minp.x,pr:next(0,chunksizer)+minp.y,pr:next(0,chunksizer)+minp.z)
@@ -59,8 +60,7 @@ rocksl.genvein=function(minp,maxp,pr,vm,area)
   local D=vector.new(pr:next(0,chunksizer)+minp.x,pr:next(0,chunksizer)+minp.y,pr:next(0,chunksizer)+minp.z)
   local l1=vector.distance(A,C)+vector.distance(C,B)
   local l2=vector.distance(A,D)+vector.distance(D,B)
-  local step=1.4/math.max(l1,l2)
-  print("step="..step.." l1="..l1.." l2="..l2)
+  local step=2/math.max(l1,l2)
   local scarcity=6
   local ocn=pr:next(0,scarcity)+(scarcity/2)
   for t=0, 1, step do
@@ -71,17 +71,19 @@ rocksl.genvein=function(minp,maxp,pr,vm,area)
    local step2=1/vector.distance(P,Q)
    for u=0, 1, step2 do
     local R=vector.add(vector.multiply(P,(1-u)), vector.multiply(Q,u) )
+    --<brush>
     local di=area:indexp(vector.round(R))
-    if ocn<1 then
-     data[di]=c_sample_ore
-     ocn=pr:next(0,scarcity)+(scarcity/2)
-    else
-     data[di]=c_sample
-     ocn=ocn-1
+    if data[di] then
+     data[di]=descr.content.id
     end
+    --</brush>
    end
   end
+  end
+ end
 
  vm:set_data(data)
- minetest.log("action", "rocks/genvein/ "..math.ceil((os.clock() - t1) * 1000).." ms ")
-end
\ No newline at end of file
+ print("vein "..math.ceil((os.clock() - t1) * 1000).." ms ")
+end
+
+table.insert(depositgen.l.OnGenerate,generate)