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Add better status tracking

old-master
jaseg 2017-11-25 20:46:52 +01:00
rodzic b33e8cdab6
commit 79a7de0594
1 zmienionych plików z 73 dodań i 25 usunięć
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98
gerbimg.py
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@ -6,9 +6,11 @@ import tempfile
import os.path as path
import os
import sys
import time
import shutil
import math
import tqdm
import gerber
from gerber.render import GerberCairoContext
import numpy as np
@ -21,6 +23,7 @@ def paste_image(
subtract_gerber:list=[],
extend_overlay_r_mil:float=12,
extend_picture_r_mil:float=2,
status_print=lambda *args:None,
debugdir:str=None):
debugctr = 0
def debugimg(img, name):
@ -29,66 +32,99 @@ def paste_image(
cv2.imwrite(path.join(debugdir, '{:02d}{}.png'.format(debugctr, name)), img)
debugctr += 1
status_print('Parsing outline gerber')
outline = gerber.loads(outline_gerber)
(minx, maxx), (miny, maxy) = outline.bounds
grbw, grbh = maxx - minx, maxy - miny
status_print(' * outline has offset {}, size {}'.format((minx, miny), (grbw, grbh)))
imgh, imgw = source_img.shape
scale = math.ceil(max(imgw/grbw, imgh/grbh)) # scale is in dpi
status_print(' * source image has size {}, going for scale {}dpi'.format((imgw, imgh), scale))
status_print('Parsing target gerber')
target = gerber.loads(target_gerber)
(tminx, tmaxx), (tminy, tmaxy) = target.bounds
status_print(' * target layer has offset {}, size {}'.format((tminx, tminy), (tmaxx-tminx, tmaxy-tminy)))
with tempfile.TemporaryDirectory() as tmpdir:
img_file = path.join(tmpdir, 'target.png')
status_print('Combining keepout composite')
fg, bg = gerber.render.RenderSettings((1, 1, 1)), gerber.render.RenderSettings((0, 0, 0))
ctx = GerberCairoContext(scale=scale)
status_print(' * target layer')
ctx.render_layer(target, settings=fg, bgsettings=bg)
status_print(' * outline')
ctx.render_layer(outline, settings=fg, bgsettings=bg)
for sub in subtract_gerber:
for i, sub in enumerate(subtract_gerber):
status_print(' * extra layer', i)
layer = gerber.loads(sub)
ctx.render_layer(layer, settings=fg, bgsettings=bg)
status_print('Rendering keepout composite')
ctx.dump(img_file)
original_img = cv2.imread(img_file, cv2.IMREAD_GRAYSCALE)
status_print('Expanding keepout composite')
r = 1+2*max(1, int(extend_overlay_r_mil/1000 * scale))
target_img = cv2.blur(original_img, (r, r))
_, target_img = cv2.threshold(target_img, 255//(1+r), 255, cv2.THRESH_BINARY)
status_print('Thresholding source image')
qr = 1+2*max(1, int(extend_picture_r_mil/1000 * scale))
source_img = source_img[::-1]
_, source_img = cv2.threshold(source_img, 127, 255, cv2.THRESH_BINARY)
debugimg(source_img, 'thresh')
status_print('Padding source image')
tgth, tgtw = target_img.shape
padded_img = np.zeros(shape=(max(imgh, tgth), max(imgw, tgtw)), dtype=source_img.dtype)
offx = int((minx-tminx if tminx < minx else 0)*scale)
offy = int((miny-tminy if tminy < miny else 0)*scale)
offx += int(grbw*scale - imgw) // 2
offy += int(grbh*scale - imgh) // 2
padded_img[offy:offy+imgh, offx:offx+imgw] = source_img
debugimg(padded_img, 'padded')
status_print('Padding target image')
padded_target = np.zeros(shape=padded_img.shape, dtype=source_img.dtype)
offx = int(max(tminx, 0)*scale)
offy = int(max(tminy, 0)*scale)
padded_target[offy:offy+tgth, offx:offx+tgtw] = target_img
debugimg(target_img, 'target')
out_img = (np.multiply((padded_img/255.0), (target_img/255.0) * -1 + 1) * 255).astype(np.uint8)
debugimg(padded_target, 'target_padded')
status_print('Masking source image')
out_img = (np.multiply((padded_img/255.0), (padded_target/255.0) * -1 + 1) * 255).astype(np.uint8)
debugimg(out_img, 'multiplied')
debugimg(out_img + original_img, 'vis')
plot_contours(out_img, target, offx=(min(tminx, minx), min(tminy, miny)), scale=scale)
status_print('Calculating contour lines')
plot_contours(out_img,
target,
offx=(min(tminx, minx), min(tminy, miny)),
scale=scale,
status_print=lambda *args: status_print(' ', *args))
status_print('Generating output gerber')
from gerber.render import rs274x_backend
ctx = rs274x_backend.Rs274xContext(target.settings)
target.render(ctx)
return ctx.dump().getvalue()
def plot_contours(img:np.ndarray, layer:gerber.rs274x.GerberFile, offx:tuple, scale:float, debug=lambda *args:None):
def plot_contours(
img:np.ndarray,
layer:gerber.rs274x.GerberFile,
offx:tuple,
scale:float,
debug=lambda *args:None,
status_print=lambda *args:None):
imgh, imgw = img.shape
# Extract contours
status_print('Extracting contours')
img_cont_out, contours, hierarchy = cv2.findContours(img, cv2.RETR_TREE, cv2.CHAIN_APPROX_TC89_KCOS)
aperture = list(layer.apertures)[0]
@ -108,21 +144,26 @@ def plot_contours(img:np.ndarray, layer:gerber.rs274x.GerberFile, offx:tuple, sc
done = []
process_stack = [-1]
next_process_stack = []
parents = [ (i, parent) for i, (_1, _2, _3, parent) in enumerate(hierarchy[0]) ]
is_dark = True
while len(done) != len(contours):
for i, (_1, _2, _3, parent) in enumerate(hierarchy[0]):
if parent in process_stack:
contour = contours[i]
polarity = 'dark' if is_dark else 'clear'
debug('rendering {} with parent {} as {} with {} vertices'.format(i, parent, polarity, len(contour)))
debug('process_stack is', process_stack)
debug()
layer.primitives.append(Region(contour_lines(contour[:,0]), level_polarity=polarity, units=layer.settings.units))
next_process_stack.append(i)
done.append(i)
debug('skipping to next level')
process_stack, next_process_stack = next_process_stack, []
is_dark = not is_dark
status_print('Converting contours to gerber primitives')
with tqdm.tqdm(total=len(contours)) as progress:
while len(done) != len(contours):
for i, parent in parents[:]:
if parent in process_stack:
contour = contours[i]
polarity = 'dark' if is_dark else 'clear'
debug('rendering {} with parent {} as {} with {} vertices'.format(i, parent, polarity, len(contour)))
debug('process_stack is', process_stack)
debug()
layer.primitives.append(Region(contour_lines(contour[:,0]), level_polarity=polarity, units=layer.settings.units))
next_process_stack.append(i)
done.append(i)
parents.remove((i, parent))
progress.update(1)
debug('skipping to next level')
process_stack, next_process_stack = next_process_stack, []
is_dark = not is_dark
debug('done', done)
# Utility foo
@ -167,13 +208,13 @@ def replace_file_in_zip(zip_path, filename, contents):
zipout.writestr(filename, contents)
shutil.move(tempname, zip_path)
def paste_image_file(zip_or_dir, target, outline, source_img, subtract=[], debugdir=None):
def paste_image_file(zip_or_dir, target, outline, source_img, subtract=[], status_print=lambda *args:None, debugdir=None):
if path.isdir(zip_or_dir):
tname, target = find_gerber_in_dir(zip_or_dir, target)
_, outline = find_gerber_in_dir(zip_or_dir, outline)
subtract = [ layer for _fn, layer in (find_gerber_in_dir(zip_or_dir, elem) for elem in subtract) ]
out = paste_image(target, outline, source_img, subtract, debugdir=debugdir)
out = paste_image(target, outline, source_img, subtract, debugdir=debugdir, status_print=status_print)
# XXX
with open('/tmp/out.GTO', 'w') as f:
@ -183,7 +224,7 @@ def paste_image_file(zip_or_dir, target, outline, source_img, subtract=[], debug
tname, target = find_gerber_in_zip(zip_or_dir, target)
_, outline = find_gerber_in_zip(zip_or_dir, outline)
out = paste_image(target, outline, source_img, debugdir=debugdir)
out = paste_image(target, outline, source_img, subtract, debugdir=debugdir, status_print=status_print)
replace_file_in_zip(zip_or_dir, tname, out)
else:
raise ValueError('{} does not look like either a folder or a zip file')
@ -203,5 +244,12 @@ if __name__ == '__main__':
args = parser.parse_args()
source_img = cv2.imread(args.source, cv2.IMREAD_GRAYSCALE)
paste_image_file(args.zip_or_dir, args.target, args.outline, source_img, args.subtract, args.debug)
paste_image_file(
args.zip_or_dir,
args.target,
args.outline,
source_img,
args.subtract,
status_print=lambda *args: print(*args, flush=True),
debugdir=args.debug)