--[[
индикатор отрисовки наклонных уровней
Параметры:
delta - чувствиельность индикатора на волатильность в %
rep - количество повторений поиска конечного уровня
shif - сдвиг влево конечного бара 	
wt - признак наличия весового коэффициента =0 - без весового =1,2.. - свосовыми коф. чем ближе к концу тем больше
show=1,			
--]]
Settings=              
        {                          
            Name = "AT-obl_can",   -- название индикатора
            delta=2.0,             -- параметр индикатора  
            rep=10, 
            shif=0,		
            wt=1,	
            --hl=1,	
            show=1,
            line=                                     
                {                               
                    {  
                        Name = "ln1",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(255, 0, 0)
                    },
					{  
                        Name = "ln2",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(255, 0, 0)
                    }
                }
       }


function Init()

    vMin = 0
    vMax = 0
    vMinindex = 0
    vMaxindex = 0
    voldMinindex = 0
    voldMaxindex = 0

  return 2
end


function OnCalculate(index)

  rep = Settings.rep
  shif = Settings.shif
  wt = Settings.wt
  --hl = Settings.hl  

  sz = Size()-shif
  if Settings.show == 1 then   
  
  if index <= sz then 

  if index <= 1 then
    vMin = C(index)
    vMax = C(index)
    vMinindex = index
    vMaxindex = index
    voldMinindex = index
    voldMaxindex = index
    v = C(index)  
  else
         
    if voldMaxindex >= voldMinindex then
	 if vMin~=nil and C(index)~=nil then 
      if C(index) > (1 + Settings.delta/100)*vMin then
        vMin = C(index)  
        vMax = C(index) 
        vMaxindex = index
        voldMinindex = vMinindex 
        vFrom = vMinindex  
      else     
        if vMin > C(index) then
          vMin = C(index)
          vMinindex = index
          vFrom = voldMaxindex      
       else
          vFrom = vMinindex 
        end 
      end
	 end
    else
     
    if voldMaxindex <= voldMinindex then
	 if vMax~=nil and C(index)~=nil then 
      if C(index) < (1 - Settings.delta/100)*vMax then
        vMax = C(index) 
        vMin = C(index)  
        vMinindex = index
        voldMaxindex = vMaxindex
        vFrom = vMaxindex
      else 
        if vMax < C(index) then
          vMax = C(index)
          vMaxindex = index
          vFrom = voldMinindex    
       else  
          vFrom = vMaxindex          
        end
      end  
	 end
    end
    end
 
    --if vFrom~=nil then 
	--[[
    for i = vFrom, index do
	 
      k = (C(index)- C(vFrom))/(index- vFrom);
      v = i*k + C(index) - index*k
      SetValue(i, 1, v) 
    end --]] 
    --end
 
   if index == sz then
    for k = 1, 2 do
      vf = 1
	  vs = 0
	  if k == 1 then 
        if vMinindex < vMaxindex then
	      vf = vMinindex
		  vs = vMaxindex
		  up = 0
	    elseif vMinindex > vMaxindex then
	      vs = vMinindex
		  vf = vMaxindex
		  up = 1
	    end 	  
	  elseif k == 2 then  
        if voldMinindex < voldMaxindex then
	      vf = voldMinindex
		  vs = voldMaxindex
		  up = 0
	    elseif voldMinindex > voldMaxindex then
	      vs = voldMinindex
		  vf = voldMaxindex
		  up = 1
	    end 
	  end 
	  n = 0
	  xy = 0
	  x = 0
	  y = 0
	  xx = 0
	  m = 0
      for i = vf, vs do	 
	   if C(i) ~= nil then 
	    m = m +1
	    n = n + 1*(1+wt*m)
	    xy = xy + i*C(i)*(1+wt*m)
	    x = x + i*(1+wt*m)
	    y = y + C(i)*(1+wt*m)
	    xx = xx + i*i*(1+wt*m)
	   end 	
      end
	  if (n*xx - x*x) ~= 0 and n ~= 0 then 
        a = (n*xy - x*y)/(n*xx - x*x)	
        b = (y - a*x)/n	  
		
		for j = 1, rep do 		
	      n = 0
	      xy = 0
	      x = 0
	      y = 0
	      xx = 0
          m = 0 		  
		  for i = vf, vs do	 	
           if C(i) ~= nil then 		  
		    v = a*i + b
		    clc = 0
		    if up == 1 and C(i) >= v then 
	          clc = 1	  
		    end 
		    if up == 0 and C(i) <= v then 
		      clc = 1
		    end 
		    if clc == 1 then
			  m = m + 1
	          n = n + 1*(1+wt*m)
			  --[[
			  if up == 1 and hl == 1 then
                xy = xy + i*H(i)*(1+wt*m)			  
			  elseif up == 0 and hl == 1 then 
			    xy = xy + i*L(i)*(1+wt*m)
			  else --]]
	            xy = xy + i*C(i)*(1+wt*m)
			 -- end 	
	          
			  x = x + i*(1+wt*m)
              --[[   
			  if up == 1 and hl == 1 then
                y = y + H(i)*(1+wt*m)
			  elseif up == 0 and hl == 1 then 
			    y = y + L(i)*(1+wt*m)
			  else --]]
	            y = y + C(i)*(1+wt*m)
			 -- end 	
	          
	          xx = xx + i*i*(1+wt*m) 
		    end 
		   end 	
		  end --[[--]]
	      if (n*xx - x*x) ~= 0 and n ~= 0 and n >= 2 then 
            a = (n*xy - x*y)/(n*xx - x*x)	
            b = (y - a*x)/n	  		   --[[  --]]
		  end 
        end 
		for i = vf, sz do	 		  
		  v = a*i + b
		  if up == 1 and v >= C(vs) or up == 0 and v <= C(vs) then 
		    SetValue(i, k, v) 
		  end 
		end 		
 		
	  end 
	  
    end   	  
   end 
   end 
  end  
  end 
end

--[[
параметры: 
Procent - процент зигзага 
--]]
Settings={
Name="ZIGZAGLEVELS",
Procent=5.0,
levels=6,
delta=0.2,
    line=                                     
                {  
					{  
                        Name = "cur1",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(0,0, 255)
                    },				
					{  
                        Name = "cur2",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(0,0, 255)
                    },
					{  
                        Name = "cur3",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(0,0, 255)
                    },
					{  
                        Name = "cur4",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(0,0, 255)
                    },				
					{  
                        Name = "cur5",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(0,0, 255)
                    },
					{  
                        Name = "cur6",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(0,0, 255)
                    }					
                }
}

function Init()
  
  y1 = nil
  y2 = nil
  x1 = 1
  x2 = 1
  levelsy={}
  levelsx={}  
  cntlevels=0
      	
  return 6
  
end

function OnCalculate(index)

  de = Settings.Procent
  levels = Settings.levels
  delta = Settings.delta
  sz = Size()

  vl = C(index)
  if index <= 1 then 
	y1 = vl
    y2 = vl
	cntlevels=0
  else   
	  if C(index) > y1*(1+de/100) and y1 < y2 then 
	    x2 = x1
	    y2 = y1	
	    x1 = index 
	    y1 = C(index)	        
        cntlevels = cntlevels + 1		
		levelsx[cntlevels]=x2
	    levelsy[cntlevels]=y2        
	  end 	
	  if C(index) > y1 and C(index) > y2 then 
	    x1 = index 
	    y1 = C(index)	  			  
	  end 
	  	  		
	  if C(index) < y1*(1-de/100) and y1 > y2 then 
	    x2 = x1
	    y2 = y1
	    x1 = index 
	    y1 = C(index)	  		
		cntlevels = cntlevels + 1
		levelsx[cntlevels]=x2
	    levelsy[cntlevels]=y2		
	  end 	
	  if C(index) < y1 and C(index) < y2 then 
	    x1 = index 
	    y1 = C(index)	  			  
	  end 	  	  		
	end 	
  
  if x1 ~= index then 
    curfrom = x1
	curto = index
  else 
    curfrom = x2
	curto = x1
  end 
  
  if sz == index then 
   cnt = levels
   for k = 1, cnt do  
	for i = 1, index  do        
	  SetValue(i, k, nil)
    end     
   end 
  
  -- cnt = 3
   k = 0
   for j = cntlevels, 1, -1 do
    d = 0
    if levelsy[j] > C(index) then 
      d = levelsy[j] - C(index)
	end 
    if levelsy[j] < C(index) then 
      d = C(index) - levelsy[j]
	end 	
	if d < delta*C(index) and d > 0 then 
	 k = k + 1
	 if k <= cnt then 	   
	   y = levelsy[j]   
	   for i = levelsx[j], index  do        	     
	     SetValue(i, k, y)
       end   
	 end
	end 
   end

  --[[
   k = 0
   for j = cntlevels, 1, -1 do
    d = 0
    if levelsy[j] < C(index) then 
      d = C(index) - levelsy[j]
	end 	
	if d < 0.2*C(index) and d > 0 then 	 
	 if k <= cnt then 
	   k = k + 1
	   y = levelsy[j]   
	   for i = levelsx[j], index  do        	     
	     SetValue(i, k+3, y)
       end   
	 end
	end 
   end
   --]]
   
  end   

 
  
end

Settings=              
        {                          
            Name = "AT-obl_can",   -- название индикатора
            delta=2.0,                  -- параметр индикатора  
            rep=5, 
            shif=0,		
            wt=1,			
            line=                                     
                {                               
                    {  
                        Name = "ln1",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(255, 0, 0)
                    },
					{  
                        Name = "ln2",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(255, 0, 0)
                    }
                }
       }


function Init()

    vMin = 0
    vMax = 0
    vMinindex = 0
    vMaxindex = 0
    voldMinindex = 0
    voldMaxindex = 0

  return 2
end


function OnCalculate(index)

  rep = Settings.rep
  shif = Settings.shif
  wt = Settings.wt

  sz = Size()-shif
  
  if index <= sz then 

  if index <= 1 then
    vMin = C(index)
    vMax = C(index)
    vMinindex = index
    vMaxindex = index
    voldMinindex = index
    voldMaxindex = index
    v = C(index)  
  else
         
    if voldMaxindex >= voldMinindex then
	  --if vMin~=nil then 
      if C(index) > (1 + Settings.delta/100)*vMin then
        vMin = C(index)  
        vMax = C(index) 
        vMaxindex = index
        voldMinindex = vMinindex 
        vFrom = vMinindex  
      else     
        if vMin > C(index) then
          vMin = C(index)
          vMinindex = index
          vFrom = voldMaxindex      
       else
          vFrom = vMinindex 
        end 
      end
	  --end
    else
     
    if voldMaxindex <= voldMinindex then
	  --if vMax~=nil then 
      if C(index) < (1 - Settings.delta/100)*vMax then
        vMax = C(index) 
        vMin = C(index)  
        vMinindex = index
        voldMaxindex = vMaxindex
        vFrom = vMaxindex
      else 
        if vMax < C(index) then
          vMax = C(index)
          vMaxindex = index
          vFrom = voldMinindex    
       else  
          vFrom = vMaxindex          
        end
      end  
	  --end
    end
    end
 
    --if vFrom~=nil then 
	--[[
    for i = vFrom, index do
	 
      k = (C(index)- C(vFrom))/(index- vFrom);
      v = i*k + C(index) - index*k
      SetValue(i, 1, v) 
    end --]] 
    --end
 
   if index == sz then
    for k = 1, 2 do
      vf = 1
	  vs = 0
	  if k == 1 then 
        if vMinindex < vMaxindex then
	      vf = vMinindex
		  vs = vMaxindex
		  up = 0
	    elseif vMinindex > vMaxindex then
	      vs = vMinindex
		  vf = vMaxindex
		  up = 1
	    end 	  
	  elseif k == 2 then  
        if voldMinindex < voldMaxindex then
	      vf = voldMinindex
		  vs = voldMaxindex
		  up = 0
	    elseif voldMinindex > voldMaxindex then
	      vs = voldMinindex
		  vf = voldMaxindex
		  up = 1
	    end 
	  end 
	  n = 0
	  xy = 0
	  x = 0
	  y = 0
	  xx = 0
	  m = 0
      for i = vf, vs do	 
	    m = m +1
	    n = n + 1*(1+wt*m)
	    xy = xy + i*C(i)*(1+wt*m)
	    x = x + i*(1+wt*m)
	    y = y + C(i)*(1+wt*m)
	    xx = xx + i*i*(1+wt*m)
      end
	  if (n*xx - x*x) ~= 0 and n ~= 0 then 
        a = (n*xy - x*y)/(n*xx - x*x)	
        b = (y - a*x)/n	  
		
		for j = 1, rep do 		
	      n = 0
	      xy = 0
	      x = 0
	      y = 0
	      xx = 0
          m = 0 		  
		  for i = vf, vs do	 		  
		    v = a*i + b
		    clc = 0
		    if up == 1 and C(i) > v then 
	          clc = 1	  
		    end 
		    if up == 0 and C(i) < v then 
		      clc = 1
		    end 
		    if clc == 1 then
			  m = m + 1
	          n = n + 1*(1+wt*m)
	          xy = xy + i*C(i)*(1+wt*m)
	          x = x + i*(1+wt*m)
	          y = y + C(i)*(1+wt*m)
	          xx = xx + i*i*(1+wt*m) 
		    end 
		  end --[[--]]
	      if (n*xx - x*x) ~= 0 and n ~= 0 and n > 2 then 
            a = (n*xy - x*y)/(n*xx - x*x)	
            b = (y - a*x)/n	  		   --[[  --]]
		  end 
        end 
		for i = vf, sz do	 		  
		  v = a*i + b
		  if up == 1 and v >= C(vs) or up == 0 and v <= C(vs) then 
		    SetValue(i, k, v) 
		  end 
		end 		
 		
	  end 
	  
    end   	  
   end 
   end 
  end  

end