kopia lustrzana https://github.com/OpenDroneMap/ODM
Add --texturing-single-material
Piero Toffanin
rodzic
d105f3f499
commit
6e50ed8fcd
opendm
stages
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@ -454,6 +454,13 @@ def config(argv=None, parser=None):
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help=('Keep faces in the mesh that are not seen in any camera. '
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'Default: %(default)s'))
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parser.add_argument('--texturing-single-material',
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action=StoreTrue,
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nargs=0,
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default=False,
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help=('Generate OBJs that have a single material and a single texture file instead of multiple ones. '
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'Default: %(default)s'))
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parser.add_argument('--gcp',
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metavar='<path string>',
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action=StoreValue,
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@ -0,0 +1 @@
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from .objpacker import obj_pack
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@ -0,0 +1 @@
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from .imagepacker import pack
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@ -0,0 +1,240 @@
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#! /usr/bin/python
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# The MIT License (MIT)
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# Copyright (c) 2015 Luke Gaynor
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import rasterio
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import numpy as np
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#from PIL import Image, ImageDraw
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import math
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# Based off of the great writeup, demo and code at:
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# http://codeincomplete.com/posts/2011/5/7/bin_packing/
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class Block():
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"""A rectangular block, to be packed"""
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def __init__(self, w, h, data=None, padding=0):
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self.w = w
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self.h = h
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self.x = None
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self.y = None
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self.fit = None
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self.data = data
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self.padding = padding # not implemented yet
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def __str__(self):
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return "({x},{y}) ({w}x{h}): {data}".format(
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x=self.x,y=self.y, w=self.w,h=self.h, data=self.data)
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class _BlockNode():
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"""A BlockPacker node"""
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def __init__(self, x, y, w, h, used=False, right=None, down=None):
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self.x = x
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self.y = y
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self.w = w
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self.h = h
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self.used = used
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self.right = right
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self.down = down
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def __repr__(self):
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return "({x},{y}) ({w}x{h})".format(x=self.x,y=self.y,w=self.w,h=self.h)
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class BlockPacker():
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"""Packs blocks of varying sizes into a single, larger block"""
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def __init__(self):
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self.root = None
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def fit(self, blocks):
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nblocks = len(blocks)
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w = blocks[0].w# if nblocks > 0 else 0
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h = blocks[0].h# if nblocks > 0 else 0
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self.root = _BlockNode(0,0, w,h)
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for block in blocks:
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node = self.find_node(self.root, block.w, block.h)
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if node:
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# print("split")
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node_fit = self.split_node(node, block.w, block.h)
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block.x = node_fit.x
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block.y = node_fit.y
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else:
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# print("grow")
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node_fit = self.grow_node(block.w, block.h)
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block.x = node_fit.x
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block.y = node_fit.y
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def find_node(self, root, w, h):
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if root.used:
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# raise Exception("used")
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node = self.find_node(root.right, w, h)
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if node:
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return node
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return self.find_node(root.down, w, h)
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elif w <= root.w and h <= root.h:
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return root
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else:
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return None
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def split_node(self, node, w, h):
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node.used = True
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node.down = _BlockNode(
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node.x, node.y + h,
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node.w, node.h - h
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)
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node.right = _BlockNode(
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node.x + w, node.y,
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node.w - w, h
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)
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return node
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def grow_node(self, w, h):
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can_grow_down = w <= self.root.w
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can_grow_right = h <= self.root.h
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# try to keep the packing square
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should_grow_right = can_grow_right and self.root.h >= (self.root.w + w)
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should_grow_down = can_grow_down and self.root.w >= (self.root.h + h)
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if should_grow_right:
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return self.grow_right(w, h)
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elif should_grow_down:
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return self.grow_down(w, h)
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elif can_grow_right:
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return self.grow_right(w, h)
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elif can_grow_down:
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return self.grow_down(w, h)
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else:
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raise Exception("no valid expansion avaliable!")
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def grow_right(self, w, h):
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old_root = self.root
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self.root = _BlockNode(
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0, 0,
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old_root.w + w, old_root.h,
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down=old_root,
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right=_BlockNode(self.root.w, 0, w, self.root.h),
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used=True
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)
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node = self.find_node(self.root, w, h)
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if node:
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return self.split_node(node, w, h)
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else:
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return None
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def grow_down(self, w, h):
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old_root = self.root
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self.root = _BlockNode(
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0, 0,
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old_root.w, old_root.h + h,
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down=_BlockNode(0, self.root.h, self.root.w, h),
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right=old_root,
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used=True
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)
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node = self.find_node(self.root, w, h)
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if node:
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return self.split_node(node, w, h)
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else:
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return None
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def crop_by_extents(image, extent):
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if min(extent.min_x,extent.min_y) < 0 or max(extent.max_x,extent.max_y) > 1:
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print("\tWARNING! UV Coordinates lying outside of [0:1] space!")
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_, h, w = image.shape
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minx = max(math.floor(extent.min_x*w), 0)
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miny = max(math.floor(extent.min_y*h), 0)
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maxx = min(math.ceil(extent.max_x*w), w)
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maxy = min(math.ceil(extent.max_y*h), h)
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image = image[:, miny:maxy, minx:maxx]
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delta_w = maxx - minx
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delta_h = maxy - miny
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# offset from origin x, y, horizontal scale, vertical scale
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changes = (minx, miny, delta_w / w, delta_h / h)
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return (image, changes)
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def pack(obj, background=(0,0,0,0), format="PNG", extents=None):
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blocks = []
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image_name_map = {}
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profile = None
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for mat in obj['materials']:
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filename = obj['materials'][mat]
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with rasterio.open(filename, 'r') as f:
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profile = f.profile
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image = f.read()
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image = np.flip(image, axis=1)
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changes = None
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if extents and extents[mat]:
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image, changes = crop_by_extents(image, extents[mat])
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image_name_map[filename] = image
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_, h, w = image.shape
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# using filename so we can pass back UV info without storing it in image
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blocks.append(Block(w, h, data=(filename, mat, changes)))
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# sort by width, descending (widest first)
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blocks.sort(key=lambda block: -block.w)
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packer = BlockPacker()
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packer.fit(blocks)
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# output_image = Image.new("RGBA", (packer.root.w, packer.root.h))
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output_image = np.zeros((profile['count'], packer.root.h, packer.root.w), dtype=profile['dtype'])
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uv_changes = {}
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for block in blocks:
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fname, mat, changes = block.data
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image = image_name_map[fname]
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_, im_h, im_w = image.shape
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uv_changes[mat] = {
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"offset": (
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# should be in [0, 1] range
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(block.x - (changes[0] if changes else 0))/output_image.shape[2],
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# UV origin is bottom left, PIL assumes top left!
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(block.y - (changes[1] if changes else 0))/output_image.shape[1]
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),
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"aspect": (
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((1/changes[2]) if changes else 1) * (im_w/output_image.shape[2]),
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((1/changes[3]) if changes else 1) * (im_h/output_image.shape[1])
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),
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}
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output_image[:, block.y:block.y + im_h, block.x:block.x + im_w] = image
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output_image = np.flip(output_image, axis=1)
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return output_image, uv_changes, profile
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@ -0,0 +1,55 @@
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#! /usr/bin/python
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# The MIT License (MIT)
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# Copyright (c) 2015 Luke Gaynor
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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# copies of the Software, and to permit persons to whom the Software is
|
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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class AABB():
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def __init__(self, min_x=None, min_y=None, max_x=None, max_y=None):
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self.min_x = min_x
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self.min_y = min_y
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self.max_x = max_x
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self.max_y = max_y
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self.to_tile = False # TODO: remove?
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def add(self, x,y):
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self.min_x = min(self.min_x, x) if self.min_x is not None else x
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self.min_y = min(self.min_y, y) if self.min_y is not None else y
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self.max_x = max(self.max_x, x) if self.max_x is not None else x
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self.max_y = max(self.max_y, y) if self.max_y is not None else y
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def uv_wrap(self):
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return (self.max_x - self.min_x, self.max_y - self.min_y)
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def tiling(self):
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if self.min_x and self.max_x and self.min_y and self.max_y:
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if self.min_x < 0 or self.min_y < 0 or self.max_x > 1 or self.max_y > 1:
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return (self.max_x - self.min_x, self.max_y - self.min_y)
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return None
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def __repr__(self):
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return "({},{}) ({},{})".format(
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self.min_x,
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self.min_y,
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self.max_x,
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self.max_y
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)
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@ -0,0 +1,228 @@
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import os
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import rasterio
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import warnings
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import numpy as np
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from .imagepacker.utils import AABB
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from .imagepacker import pack
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warnings.filterwarnings("ignore", category=rasterio.errors.NotGeoreferencedWarning)
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def load_obj(obj_path, _info=print):
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if not os.path.isfile(obj_path):
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raise IOError("Cannot open %s" % obj_path)
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obj_base_path = os.path.dirname(os.path.abspath(obj_path))
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obj = {
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'filename': os.path.basename(obj_path),
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'root_dir': os.path.dirname(os.path.abspath(obj_path)),
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'mtl_filenames': [],
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'materials': {},
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}
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uvs = []
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faces = {}
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current_material = "_"
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with open(obj_path) as f:
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_info("Loading %s" % obj_path)
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for line in f:
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if line.startswith("mtllib "):
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# Materials
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mtl_file = "".join(line.split()[1:]).strip()
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obj['materials'].update(load_mtl(mtl_file, obj_base_path, _info=_info))
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obj['mtl_filenames'].append(mtl_file)
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# elif line.startswith("v "):
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# # Vertices
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# vertices.append(list(map(float, line.split()[1:4])))
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elif line.startswith("vt "):
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# UVs
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uvs.append(list(map(float, line.split()[1:3])))
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# elif line.startswith("vn "):
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# normals.append(list(map(float, line.split()[1:4])))
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elif line.startswith("usemtl "):
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mtl_name = "".join(line.split()[1:]).strip()
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if not mtl_name in obj['materials']:
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raise Exception("%s material is missing" % mtl_name)
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current_material = mtl_name
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elif line.startswith("f "):
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if current_material not in faces:
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faces[current_material] = []
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a,b,c = line.split()[1:]
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at = int(a.split("/")[1])
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bt = int(b.split("/")[1])
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ct = int(c.split("/")[1])
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faces[current_material].append((at - 1, bt - 1, ct - 1))
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obj['uvs'] = np.array(uvs, dtype=np.float32)
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obj['faces'] = faces
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return obj
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def load_mtl(mtl_file, obj_base_path, _info=print):
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mtl_file = os.path.join(obj_base_path, mtl_file)
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if not os.path.isfile(mtl_file):
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raise IOError("Cannot open %s" % mtl_file)
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mats = {}
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current_mtl = ""
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with open(mtl_file) as f:
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for line in f:
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if line.startswith("newmtl "):
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current_mtl = "".join(line.split()[1:]).strip()
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elif line.startswith("map_Kd ") and current_mtl:
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map_kd_filename = "".join(line.split()[1:]).strip()
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map_kd = os.path.join(obj_base_path, map_kd_filename)
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if not os.path.isfile(map_kd):
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raise IOError("Cannot open %s" % map_kd)
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mats[current_mtl] = map_kd
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return mats
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def write_obj_changes(obj_file, mtl_file, uv_changes, single_mat, output_dir, _info=print):
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with open(obj_file) as f:
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obj_lines = f.readlines()
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out_lines = []
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uv_lines = []
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current_material = None
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printed_mtllib = False
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printed_usemtl = False
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_info("Transforming UV coordinates")
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for line_idx, line in enumerate(obj_lines):
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if line.startswith("mtllib"):
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if not printed_mtllib:
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out_lines.append("mtllib %s\n" % mtl_file)
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printed_mtllib = True
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else:
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out_lines.append("# \n")
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elif line.startswith("usemtl"):
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if not printed_usemtl:
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out_lines.append("usemtl %s\n" % single_mat)
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printed_usemtl = True
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else:
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out_lines.append("# \n")
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current_material = line[7:].strip()
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elif line.startswith("vt"):
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uv_lines.append(line_idx)
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out_lines.append(line)
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elif line.startswith("f"):
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for v in line[2:].split():
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parts = v.split("/")
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if len(parts) >= 2 and parts[1]:
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uv_idx = int(parts[1]) - 1 # uv indexes start from 1
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uv_line_idx = uv_lines[uv_idx]
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uv_line = obj_lines[uv_line_idx][3:]
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uv = [float(uv.strip()) for uv in uv_line.split()]
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if current_material and current_material in uv_changes:
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changes = uv_changes[current_material]
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uv[0] = uv[0] * changes["aspect"][0] + changes["offset"][0]
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uv[1] = uv[1] * changes["aspect"][1] + changes["offset"][1]
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out_lines[uv_line_idx] = "vt %s %s\n" % (uv[0], uv[1])
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out_lines.append(line)
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else:
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out_lines.append(line)
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out_file = os.path.join(output_dir, os.path.basename(obj_file))
|
||||
_info("Writing %s" % out_file)
|
||||
|
||||
with open(out_file, 'w') as f:
|
||||
f.writelines(out_lines)
|
||||
|
||||
def write_output_tex(img, profile, path, _info=print):
|
||||
_, h, w = img.shape
|
||||
profile['width'] = w
|
||||
profile['height'] = h
|
||||
|
||||
_info("Writing %s (%sx%s pixels)" % (path, w, h))
|
||||
with rasterio.open(path, 'w', **profile) as dst:
|
||||
for b in range(1, img.shape[0] + 1):
|
||||
dst.write(img[b - 1], b)
|
||||
|
||||
sidecar = path + '.aux.xml'
|
||||
if os.path.isfile(sidecar):
|
||||
os.unlink(sidecar)
|
||||
|
||||
def write_output_mtl(src_mtl, mat_file, dst_mtl):
|
||||
with open(src_mtl, 'r') as src:
|
||||
lines = src.readlines()
|
||||
|
||||
out = []
|
||||
found_map = False
|
||||
single_mat = None
|
||||
|
||||
for l in lines:
|
||||
if l.startswith("newmtl"):
|
||||
single_mat = "".join(l.split()[1:]).strip()
|
||||
out.append(l)
|
||||
elif l.startswith("map_Kd"):
|
||||
out.append("map_Kd %s\n" % mat_file)
|
||||
break
|
||||
else:
|
||||
out.append(l)
|
||||
|
||||
with open(dst_mtl, 'w') as dst:
|
||||
dst.write("".join(out))
|
||||
|
||||
if single_mat is None:
|
||||
raise Exception("Could not find material name in file")
|
||||
|
||||
return single_mat
|
||||
|
||||
def obj_pack(obj_file, output_dir=None, _info=print):
|
||||
if not output_dir:
|
||||
output_dir = os.path.join(os.path.dirname(os.path.abspath(obj_file)), "packed")
|
||||
|
||||
obj = load_obj(obj_file, _info=_info)
|
||||
if not obj['mtl_filenames']:
|
||||
raise Exception("No MTL files found, nothing to do")
|
||||
|
||||
if os.path.abspath(obj_file) == os.path.abspath(os.path.join(output_dir, os.path.basename(obj_file))):
|
||||
raise Exception("This will overwrite %s. Choose a different output directory" % obj_file)
|
||||
|
||||
if len(obj['mtl_filenames']) <= 1 and len(obj['materials']) <= 1:
|
||||
raise Exception("File already has a single material, nothing to do")
|
||||
|
||||
# Compute AABB for UVs
|
||||
_info("Computing texture bounds")
|
||||
extents = {}
|
||||
for material in obj['materials']:
|
||||
bounds = AABB()
|
||||
|
||||
faces = obj['faces'][material]
|
||||
for f in faces:
|
||||
for uv_idx in f:
|
||||
uv = obj['uvs'][uv_idx]
|
||||
bounds.add(uv[0], uv[1])
|
||||
|
||||
extents[material] = bounds
|
||||
|
||||
_info("Binary packing...")
|
||||
output_image, uv_changes, profile = pack(obj, extents=extents)
|
||||
mtl_file = obj['mtl_filenames'][0]
|
||||
mat_file = os.path.basename(obj['materials'][next(iter(obj['materials']))])
|
||||
|
||||
if not os.path.isdir(output_dir):
|
||||
os.mkdir(output_dir)
|
||||
|
||||
write_output_tex(output_image, profile, os.path.join(output_dir, mat_file), _info=_info)
|
||||
single_mat = write_output_mtl(os.path.join(obj['root_dir'], mtl_file), mat_file, os.path.join(output_dir, mtl_file))
|
||||
write_obj_changes(obj_file, mtl_file, uv_changes, single_mat, output_dir, _info=_info)
|
||||
|
||||
if __name__ == '__main__':
|
||||
import argparse
|
||||
parser = argparse.ArgumentParser(description="Packs textured .OBJ Wavefront files into a single materials")
|
||||
parser.add_argument("obj", help="Path to the .OBJ file")
|
||||
parser.add_argument("-o","--output-dir", help="Output directory")
|
||||
args = parser.parse_args()
|
||||
|
||||
obj_pack(args.obj, args.output_dir)
|
||||
|
|
@ -7,6 +7,7 @@ import subprocess
|
|||
import string
|
||||
import signal
|
||||
import io
|
||||
import shutil
|
||||
from collections import deque
|
||||
|
||||
from opendm import context
|
||||
|
|
@ -154,3 +155,19 @@ def link_file(src, dst):
|
|||
os.link(src, dst)
|
||||
else:
|
||||
os.symlink(os.path.relpath(os.path.abspath(src), os.path.dirname(os.path.abspath(dst))), dst)
|
||||
|
||||
def move_files(src, dst):
|
||||
if not os.path.isdir(dst):
|
||||
raise IOError("Not a directory: %s" % dst)
|
||||
|
||||
for f in os.listdir(src):
|
||||
if os.path.isfile(os.path.join(src, f)):
|
||||
shutil.move(os.path.join(src, f), dst)
|
||||
|
||||
def delete_files(folder):
|
||||
if not os.path.isdir(folder):
|
||||
return
|
||||
|
||||
for f in os.listdir(folder):
|
||||
if os.path.isfile(os.path.join(folder, f)):
|
||||
os.unlink(os.path.join(folder, f))
|
||||
|
|
@ -7,6 +7,7 @@ from opendm import context
|
|||
from opendm import types
|
||||
from opendm.multispectral import get_primary_band_name
|
||||
from opendm.photo import find_largest_photo_dim
|
||||
from opendm.objpacker import obj_pack
|
||||
|
||||
class ODMMvsTexStage(types.ODM_Stage):
|
||||
def process(self, args, outputs):
|
||||
|
|
@ -129,6 +130,26 @@ class ODMMvsTexStage(types.ODM_Stage):
|
|||
'{labelingFile} '
|
||||
'{maxTextureSize} '.format(**kwargs))
|
||||
|
||||
# Single material?
|
||||
if r['primary'] and args.texturing_single_material:
|
||||
log.ODM_INFO("Packing to single material")
|
||||
|
||||
packed_dir = os.path.join(r['out_dir'], 'packed')
|
||||
if io.dir_exists(packed_dir):
|
||||
log.ODM_INFO("Removing old packed directory {}".format(packed_dir))
|
||||
shutil.rmtree(packed_dir)
|
||||
|
||||
try:
|
||||
obj_pack(os.path.join(r['out_dir'], tree.odm_textured_model_obj), packed_dir, _info=log.ODM_INFO)
|
||||
|
||||
# Move packed/* into texturing folder
|
||||
system.delete_files(r['out_dir'])
|
||||
system.move_files(packed_dir, r['out_dir'])
|
||||
if os.path.isdir(packed_dir):
|
||||
os.rmdir(packed_dir)
|
||||
except Exception as e:
|
||||
log.ODM_WARNING(str(e))
|
||||
|
||||
# Backward compatibility: copy odm_textured_model_geo.mtl to odm_textured_model.mtl
|
||||
# for certain older WebODM clients which expect a odm_textured_model.mtl
|
||||
# to be present for visualization
|
||||
|
|
@ -137,7 +158,7 @@ class ODMMvsTexStage(types.ODM_Stage):
|
|||
if io.file_exists(geo_mtl):
|
||||
nongeo_mtl = os.path.join(r['out_dir'], 'odm_textured_model.mtl')
|
||||
shutil.copy(geo_mtl, nongeo_mtl)
|
||||
|
||||
|
||||
progress += progress_per_run
|
||||
self.update_progress(progress)
|
||||
else:
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue