# Implementation of Z-buffer Algorithm
# 4.14.2002.
# Jiwon Hahn

def pixel(): return 32  # 32x32 grid of pixels
def inf(): return 'inf' 

def z_buffer_algo():  
    zbuff=[[inf()]*pixel() for i in range(pixel())] #initialize z buffer to inf
    intensity=[[0]*pixel() for i in range(pixel())] #initialize intensity to zero

    print "Polygon 1(rectangular):"
    for x in range(pixel()):    
        for y in range(pixel()): 
            if (x>=10 and x<=25 and y>=5 and y<=25): #point inside the rectangular
                z_depth=10
                if z_depth < zbuff[x][y] or zbuff[x][y]=='inf':
                    intensity[x][y]=1
                    zbuff[x][y]=z_depth
    print "------------------------Z buffer-------------------------"
    for x in range(pixel()-1,-1,-1):
        print zbuff[x]

    print "------------------------Intensity------------------------"
    for x in range(pixel()-1,-1,-1):
        print intensity[x]
    print "---------------------------------------------------------"

    print "Polygon 2(triangle):"
    for x in range(pixel()):
        for y in range(pixel()):
            if (y<=x and y<=100-3*x and y>= 20-1.0/3*x):
                z_depth= 30-3.0/4*x-1.0/4*y
                if z_depth < zbuff[x][y] or zbuff[x][y]=='inf':
                    intensity[x][y]=2
                    zbuff[x][y]=z_depth
    print "------------------------Z buffer-------------------------"
    for x in range(pixel()-1,-1,-1):
        print zbuff[x]

    print "------------------------Intensity------------------------"
    for x in range(pixel()-1,-1,-1):
        print intensity[x]
    print "---------------------------------------------------------"
                

# test
z_buffer_algo()