Tile Renderer (Make Big Renders)

This post was written quite some time before I completed a decent version of the tile renderer. Monster Tile Renderer - for more information, or search this blog or checkout the github page

import bpy
# tile rendering 0.1
# Dealga McArdle (zeffii) 2011-July 8.

# fill in how many tiles you want, must be non zero.
n = 2 # n tiles wide (x)
m = 2 # m tiles high (y)
percentage_of_current = 300
total_tiles = n*m
location = "/home/zeffii/"
filename = "MyRender"
filetype = "png"


name_list = []
for j in range(m):
    for i in range(n):
        name_list.append(str(i+1)+"_"+str(j+1))

border_list = []
wslice = 1/n
hslice = 1/m

# use border and crop
bpy.context.scene.render.use_border = True
bpy.context.scene.render.use_crop_to_border = True

# set resolution percentage
bpy.context.scene.render.resolution_percentage = percentage_of_current

for cell in name_list:
    wdiv, hdiv = cell.split("_")
    bmin_x = float((int(wdiv)-1)*wslice)
    bmax_x = float(int(wdiv)*wslice)
    bmin_y = 1.0 - (float(int(hdiv)*hslice))
    bmax_y = 1.0 - (float((int(hdiv)-1)*hslice))
        
    str_borders = ("bmin_x="+str(bmin_x),
                   "bmax_x="+str(bmax_x),
                   "bmin_y="+str(bmin_y),
                   "bmax_y="+str(bmax_y))
                   
    border_list.append((cell,str_borders))

    # set border for this tile
    bpy.context.scene.render.border_min_x = bmin_x
    bpy.context.scene.render.border_max_x = bmax_x
    bpy.context.scene.render.border_min_y = bmin_y
    bpy.context.scene.render.border_max_y = bmax_y 
    
    bpy.ops.render.render()
    RR = "Render Result"
    bpy.data.images[RR].save_render(location+filename+"_"+cell+"."+filetype)
    print("rendered", cell)