def main():
random.seed(12345)
sample_files = random.sample(nrm.GetFilenames("./data/"), 4)
nrm.SaveAllPanelsToDB("./data", "nermal.db")
return
for giffile in sample_files:
int_arr = nrm.LoadGIF(giffile)
if int_arr is None:
continue
pad_arr = nrm.PadGIF2D(int_arr)
if pad_arr is None:
continue
for panel in nrm.GetPanels(pad_arr):
print base64.encodestring(pickle.dumps(panel))
print ''
return
arr = arrs[0]
int_arr = nrm.ToUnsignedByte(arr)
lucky_pairs = random.sample(zip(arr.ravel(), int_arr.ravel()), 100)
for arr_i, int_arr_i in lucky_pairs:
print arr_i, int_arr_i
pairs = sorted([(a, i) for a, i in zip(arr.ravel(), int_arr.ravel())],
key=lambda t: abs(t[1] - t[0]))
for p in pairs[:10]:
print p
for p in pairs[-10:]:
print p
arrs = [nrm.LoadGIF(giffile, gray=False) for giffile in sample_files]
for a in arrs:
print a.dtype
def main():
random.seed(12345)
row_counts = {}
err_count = 0
small_rows = []
weirdo_rows = []
large_rows = []
for fileid, giffile in enumerate(nrm.GetFilenames("./data/")):
if fileid % 1000 == 0:
print "...", fileid, "files"
img = nrm.LoadGIF(giffile)
if img is None:
err_count += 1
continue
shp = img.shape
if len(shp) != 2:
err_count += 1
continue
rc, cc = shp
row_counts[rc] = row_counts.get(rc, 0) + 1
if cc != 600:
# Expect this exactly once:
print "Weird column count!", cc, ":", giffile
if rc < 170:
small_rows.append(giffile)
if rc > 180:
large_rows.append(giffile)
if rc > 250 and rc < 300:
weirdo_rows.append(giffile)
print err_count, "Errors"
print "ROW COUNTS:"
for k in range(min(row_counts.keys()), max(row_counts.keys()) + 1):
print k, ",", row_counts.get(k, 0)
print "TOO FEW ROWS: (", len(small_rows), " total)"
for fname in random.sample(small_rows, 10):
print fname
print "\nTOO MANY ROWS: (", len(large_rows), " total)"
for fname in random.sample(large_rows, 10):
print fname
print "\nWEIRDO MEDIUM ROWS: (", len(weirdo_rows), " total)"
for fname in random.sample(weirdo_rows, 10):
print fname
def main():
random.seed(12345)
found_small = False
found_medium = False
found_large = False
found_too_large = False
filenames = nrm.GetFilenames("./data/")
random.shuffle(filenames)
for filename in filenames:
# Grayscale, but non-standard size:
orig_gif = nrm.LoadGIF(filename, gray=True)
if orig_gif is None:
print "Bogus file:", filename
continue
# Row and column counts:
rc, cc = orig_gif.shape
output_file = ("results/export_gray_padded_strips/out" +
filename.split("/")[-1])
if not found_small and rc < 170:
found_small = True
print "Found small:", filename, orig_gif.shape
nrm.SaveGIF(nrm.PadGIF2D(orig_gif), output_file)
if not found_medium and 170 < rc < 180:
found_medium = True
print "Found medium:", filename, orig_gif.shape
nrm.SaveGIF(nrm.PadGIF2D(orig_gif), output_file)
if not found_large and rc == 180:
found_large = True
print "Found large:", filename, orig_gif.shape
nrm.SaveGIF(nrm.PadGIF2D(orig_gif), output_file)
if not found_too_large and rc > 180:
if nrm.PadGIF2D(orig_gif) is not None:
raise ValueError("Wait, this was supposed to be too large")
found_too_large = True
print "Found too large:", filename, orig_gif.shape
if found_small and found_medium and found_large and found_too_large:
break
def main(args):
outfilename = args[1]
random.seed(12345)
sample_files = random.sample(nrm.GetFilenames("./data/"), 30)
arrs = [nrm.LoadGIF(giffile) for giffile in sample_files]
hist = nrm.Histogram()
all_hists = []
for arr in arrs:
hist.AddPanel(arr)
counts = hist.Counts()
s = 0
total = sum(counts)
for pixel_val, count in enumerate(counts):
s += count
if count < 0.01 * total:
continue
print "%d\t%0.3f\t%0.3f" % (pixel_val, float(count) / total,
float(s) / total)
def main():
random.seed(12345)
filenames = random.sample(nrm.GetFilenames("./data/"), 10)
for filename in filenames:
orig_gif = nrm.LoadGIF(filename, gray=True)
if orig_gif is None:
print "Bogus file:", filename
continue
pad_gif = nrm.PadGIF2D(orig_gif)
if pad_gif is None:
print "Trouble with", filename, "; orig shape", orig_gif.shape
continue
panels = nrm.GetPanels(pad_gif)
if panels is None:
raise ValueError("Error fetching panels: %s; shape %s" %
(filename, str(pad_gif.shape)))
for panel_id, panel in enumerate(panels):
print panel.shape
panel_filename = ("results/export_panels/out_" +
nrm.GetPanelFilename(filename, panel_id))
nrm.SaveGIF(panel, panel_filename)
def main(args):
outfilename = args[1]
random.seed(12345)
sample_files = random.sample(nrm.GetFilenames("./data/"), 1500)
all_arrs = [nrm.LoadGIF(giffile) for giffile in sample_files]
# Remove too-tall Sunday strips
arrs = [arr for arr in all_arrs if arr.shape[0] > 190]
all_hists = []
for arr in arrs:
val_counts = [0 for _ in range(256)]
for pixel in arr.ravel():
val_counts[pixel] += 1
all_hists.append(val_counts)
with open(outfilename, "w") as outfile:
outfile.write("Intensity,2.5%%,25%%,50%%,75%%,97.5%%,Mean\n")
for i in range(256):
hist_vals = [hist[i] for hist in all_hists]
pctiles = numpy.percentile(hist_vals, [2.5, 25, 50, 75, 97.5])
row = ",".join([str(p) for p in pctiles])
mean = numpy.mean(hist_vals)
outfile.write(str(i) + "," + row + "," + str(mean) + "\n")