--[[
параметры: 
Procent - процент зигзага 
--]]
Settings={
Name="ZIGZAGLEVELS",
Procent=1,
    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(255,0, 0)
                    },				
					{  
                        Name = "cur5",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(255,0, 0)
                    },
					{  
                        Name = "cur6",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(255,0, 0)
                    }					
                }
}

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

function OnCalculate(index)

  de = Settings.Procent
  sz = Size()

  vl = C(index)
  if index == 1 then 
	y1 = vl
    y2 = vl
  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 = 6
   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 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, 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="MNKKANAL_new",
period=200,
delta=0,
line=                                     
                {  
					{  
                        Name = "cur1",
                        Type =TYPE_LINE,
                        Width = 1,
                        Color = RGB(0,255, 0)
                    },
					{  
                        Name = "cur2",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(255,0, 0)
                    },
					{  
                        Name = "cur3",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(255,0, 0)
                    }
                }

}
--[[

описание свойств:
period - период, за каротрый делается расчет

назначение:
построение тенденции

использовался:
метод наименьших квадратов (аппроксимация линией)

--]]

function Init()

    a1_0 = {}
	a2_0 = {}
	a3_0 = {}
	a4_0 = {}  
    a1_1 = {}
	a2_1 = {}
	a3_1 = {}
	a4_1 = {} 
 	
  return 3
end

function OnCalculate(index)
    
  sz = Size()
  n = Settings.period
  d = Settings.delta
  
    
  if index == 1 then 
    a1_0[index] = 0
	a2_0[index] = 0
	a3_0[index] = 0
	a4_0[index] = 0  
	i = index
    a1_1[index] = i*C(i)
	a2_1[index] = i
	a3_1[index] = C(i)
	a4_1[index] = i*i
  else       

   i = index
   a1_1[index] = a1_1[index-1]+i*C(i)
   a2_1[index] = a2_1[index-1]+i
   a3_1[index] = a3_1[index-1]+C(i)
   a4_1[index] = a4_1[index-1]+i*i  
   
   end
   
   y = nil
   y1 = nil
   y2 = nil
   
   if index-n > 0 then
        
    i = index-n
	a1_0[index] = a1_0[index-1]+i*C(i)
	a2_0[index] = a2_0[index-1]+i
	a3_0[index] = a3_0[index-1]+C(i)
	a4_0[index] = a4_0[index-1]+i*i
	
	a1 = a1_1[index]-a1_0[index]
	a2 = a2_1[index]-a2_0[index]
	a3 = a3_1[index]-a3_0[index]
	a4 = a4_1[index]-a4_0[index]
	
	 if((n*a4 - a2*a2) ~= 0) then
	  
	  a = (n*a1 - a2*a3)/(n*a4 - a2*a2)
	  b = (a3 - a*a2)/n
      c1 = 0
      c2 = 0
      n1 = 0
      n2 = 0       
      for j=index-n+1, index do  
       y = a*j + b
	   if C(j) < y then
	     c1 = c1 + (y -C(j))
		 n1 = n1 + 1
	   end
	   if C(j) > y then
	     c2 = c2 + (C(j) - y)
		 n2 = n2 + 1
	   end	  
	   
      end	
	  
	  if n1 ~= 0 then
	    c1 = c1/n1
	  end
	  if n2 ~= 0 then
	    c2 = c2/n2
	  end			 
 
	 
	 j = index-d
	 y = a*j + b
     y1 = y-2*c1	
     y2 = y+2*c2		 
	 	  
  
     end 	
	

   else
	a1_0[index] = 0
	a2_0[index] = 0
	a3_0[index] = 0
	a4_0[index] = 0 
   end 
   

   
  
   return y,y1,y2
 
  
end

Settings={
Name="MNKKANAL",
period=200,
delta=0,
line=                                     
                {  
					{  
                        Name = "cur1",
                        Type =TYPE_LINE,
                        Width = 1,
                        Color = RGB(0,0, 0)
                    },
					{  
                        Name = "cur2",
                        Type =TYPE_LINE,
                        Width = 1,
                        Color = RGB(0,0, 0)
                    },
					{  
                        Name = "cur2",
                        Type =TYPE_LINE,
                        Width = 1,
                        Color = RGB(0,255, 0)
                    }

                }

}
--[[

описание свойств:
period - период, за каротрый делается расчет
delta - смещение назад 

назначение:
осцелятор по каналу

использовался:
метод наименьших квадратов (аппроксимация линией)

--]]

function Init()
  
  return 3
end

function OnCalculate(index)
    
  sz = Size()
  n = Settings.period
  d = Settings.delta
        	
   y = nil    
   y1 = nil
   y2 = nil
   if index-n-d > 0 then
    a1 = 0
	a2 = 0
	a3 = 0
	a4 = 0
    for i=index-n+1-d, index-d do  

	  a1 = a1+i*C(i)
	  a2 = a2+i
	  a3 = a3+C(i)
	  a4 = a4+i*i
	
    end  
	
	if((n*a4 - a2*a2) ~= 0) then
	 a = (n*a1 - a2*a3)/(n*a4 - a2*a2)
	 b = (a3 - a*a2)/n
    
	 c1 = 0
	 c2 = 0
	 n1 = 0
	 n2 = 0
     for j=index-n+1-d, index-d do  
      y = a*j + b
	  if C(j) < y then
	    c1 = c1 + (y -C(j))
		n1 = n1 + 1
	  end
	  if C(j) > y then
	    c2 = c2 + (C(j) - y)
		n2 = n2 + 1
	  end	  
     end	
	 
	 if n1 ~= 0 then
	   c1 = c1/n1
	 end
	 if n2 ~= 0 then
	   c2 = c2/n2
	 end		 
	 
	 j = index-d
	 y = a*j + b
     y1 = y-2*c1	
     y2 = y+2*c2		 
	 
	 
    end 
   end 	
   return y1, y2, y
 
  
end

Settings={
Name="MNKOSC",
period=200,
delta=0,
line=                                     
                {  
					{  
                        Name = "cur1",
                        Type =TYPE_LINE,
                        Width = 1,
                        Color = RGB(0,0, 0)
                    },
					{  
                        Name = "cur2",
                        Type =TYPE_LINE,
                        Width = 1,
                        Color = RGB(255,0, 0)
                    },
					{  
                        Name = "cur3",
                        Type =TYPE_LINE,
                        Width = 1,
                        Color = RGB(0,0, 0)
                    },
					{  
                        Name = "cur4",
                        Type =TYPE_LINE,
                        Width = 1,
                        Color = RGB(0,0, 0)
                    }

                }

}
--[[

описание свойств:
period - период, за каротрый делается расчет
delta - смещение назад 

назначение:
осцелятор по каналу

использовался:
метод наименьших квадратов (аппроксимация линией)

--]]

function Init()
  
  return 4
end

function OnCalculate(index)
    
  sz = Size()
  n = Settings.period
  d = Settings.delta
        	
   y = nil    
   y1 = nil
   y2 = nil
   if index-n-d > 0 then
    a1 = 0
	a2 = 0
	a3 = 0
	a4 = 0
    for i=index-n+1-d, index-d do  

	  a1 = a1+i*C(i)
	  a2 = a2+i
	  a3 = a3+C(i)
	  a4 = a4+i*i
	
    end  
	
	if((n*a4 - a2*a2) ~= 0) then
	 a = (n*a1 - a2*a3)/(n*a4 - a2*a2)
	 b = (a3 - a*a2)/n
    
	 c1 = 0
	 c2 = 0
	 n1 = 0
	 n2 = 0
     for j=index-n+1-d, index-d do  
      y = a*j + b
	  if C(j) < y then
	    c1 = c1 + (y -C(j))
		n1 = n1 + 1
	  end
	  if C(j) > y then
	    c2 = c2 + (C(j) - y)
		n2 = n2 + 1
	  end	  
     end	
	 
	 if n1 ~= 0 then
	   c1 = c1/n1
	 end
	 if n2 ~= 0 then
	   c2 = c2/n2
	 end		 
	 
	 j = index-d
	 y = a*j + b
     y1 = -2*c1	
     y2 = 2*c2		 
	 
     j =  index-d
     y = C(j) - a*j - b
	 
	 
    end 
   end 	
   return 0, y, y1, y2
 
  
end