Interesting little script.
I got this to work ok and my memory did not balloon. You may have to play around with the layout code, I did not have any files in your naming convention so I made a grid style layout.
import os
import bpy
import bmesh
MAX_NAME_SIZE = 21
def returnDisplaceModifier(passedName, passedObject, passedStrength=0.26):
# Create or fetch a named displace modifier.
try:
# See if our modifier exists.
mod_name = passedName
mod_name = mod_name[:MAX_NAME_SIZE]
my_modifier = passedObject.constraints.get(mod_name)
if my_modifier == None:
# Create a new modifier.
my_modifier = passedObject.modifiers.new(mod_name, 'DISPLACE')
my_modifier.name = mod_name
my_modifier.strength = passedStrength
result = my_modifier
except:
print("returnDisplaceModifier: Problem assigning constraint [%s]." % passedName)
result = None
return result
#dir = 'C:/Users/Nick/3D/bge mollo/tests/terrain/imgs'
#dir ='E:/Documents and Settings/Admin/My Documents/Footage/ash_tree_tour'
dir = 'E:/Documents and Settings/Admin/My Documents/Footage/ap_dot'
filelist = os.listdir(dir)
terrain_size = 12000
num_tiles = 14
plane_scale = terrain_size / num_tiles
x_index = 0
y_index = 1
for file in filelist:
x_index = x_index + 1
if x_index > 6:
y_index = y_index + 1
x_index = 0
ob_name = file[:-4]
# Mesh and object datablocks the terrain tiles will use
me = bpy.data.meshes.new(ob_name + "_mesh")
ob = bpy.data.objects.new(ob_name, me)
# Create a plane for the mesh
verts = [(-1.0,-1.0,0.0), (-1.0,1.0,0.0), (1.0,1.0,0.0), (1.0,-1.0,0.0)]
edges = [(0,1), (1,2), (2,3), (3,0)]
faces = [(0,1,2,3)]
me.from_pydata(verts, edges, faces)
# Add the object to the scene
bpy.context.scene.objects.link(ob)
#Update the mesh
me.update(calc_edges=True)
# Subdivide the mesh appropriately and create a UV map
bpy.context.scene.objects.active = ob
bpy.ops.object.mode_set(mode='EDIT')
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.subdivide(number_cuts=10)
bpy.ops.uv.unwrap(method='ANGLE_BASED', fill_holes=True, correct_aspect=True, use_subsurf_data=False, margin=0.001)
bpy.ops.object.mode_set(mode='OBJECT')
# Scale the plane up to the corrext size
ob.scale = (plane_scale / 2, plane_scale / 2, 1.0)
# Position the plane, based on the name of the image file (e.g tile_x01_y_03)
#x_loc = file.index('x')
#y_loc = file.index('y')
#x_index = int(file[x_loc + 1:x_loc + 3])
#y_index = int(file[y_loc + 1:y_loc + 3])
x_pos = (x_index * plane_scale) - (terrain_size / 2)
y_pos = (y_index * plane_scale) - (terrain_size / 2)
ob.location = [x_pos, y_pos, 0]
# Create a new material for the plane
mat = bpy.data.materials.new(ob_name)
ob.data.materials.append(mat)
# Load the heightmap image and assign it to a texture slot.
tex = None
try:
src = dir + '/' + file
print("Loading Image: " + file)
img = bpy.data.images.load(src)
except:
img = None
print("Cannot load image %s" % src)
if img != None:
tex = bpy.data.textures.new(file[:-4], type = 'IMAGE')
tex.image = img
tex_slot = mat.texture_slots.add()
tex_slot.texture = tex
tex_slot.texture_coords = 'UV'
# Add a Displace modifier to handle the terrain deformation
tmp_mod = returnDisplaceModifier('height_field', ob, 1.0) #Strength.
if tmp_mod != None:
tmp_mod.texture_coords = 'UV'
if tex != None:
tmp_mod.texture = tex
#bpy.data.objects[ob_name].modifiers['Displace'].texture = bpy.data.textures[ob_name]
