Skip to content

add --adjust_black arg (False default) for converting zip to tiff #167

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vladtcvs merged 1 commit into from
Oct 31, 2024
Merged

add --adjust_black arg (False default) for converting zip to tiff #167

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 6 additions & 2 deletions src/vstarstack/tool/image.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
FLOOR = vstarstack.tool.cfg.get_param("clip_floor", bool, False)
HDR = vstarstack.tool.cfg.get_param("hdr", bool, False)
NORM = vstarstack.tool.cfg.get_param("normalize", bool, True)
ADJUST_BLACK = vstarstack.tool.cfg.get_param("adjust_black", bool, False)

def compress_clip(img, slope):
img = img / np.amax(img)
Expand All @@ -46,12 +47,15 @@ def compress(img, slope):
return compress_atan(img, slope)
return compress_clip(img, slope)

def convert_to_uint16(img, slope, maxshift):
def convert_to_uint16(img, slope, maxshift, adjust_black):
compressed = None
img = img / np.amax(img)
nstep = 10
idx1 = 0
idx2 = 2**nstep
if not adjust_black:
compressed = compress(img, slope)
return compressed
for _ in range(nstep):
idx = int((idx1 + idx2)/2)
shift = idx / (2**nstep) * maxshift
Expand Down Expand Up @@ -174,7 +178,7 @@ def _convert(_project, argv):
fname = out

if NORM:
img = convert_to_uint16(img, SLOPE, 0.005)
img = convert_to_uint16(img, SLOPE, 0.005, ADJUST_BLACK)
if ext not in ["tiff", "png"]:
img = (img / 256).astype('uint8')
else:
Expand Down