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Apply UB redefinition from .cami file

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For #31
This commit is contained in:
usov_i 2021-06-22 11:23:38 +02:00
parent 137f20cc20
commit c10efeb9cc
2 changed files with 33 additions and 4 deletions
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12
pyzebra/app/panel_hdf_viewer.py
View File

@ -51,9 +51,11 @@ IMAGE_PLOT_H = int(IMAGE_H * 2) + 27
def create():
det_data = {}
cami_meta = {}
roi_selection = {}
def proposal_textinput_callback(_attr, _old, new):
nonlocal cami_meta
proposal = new.strip()
for zebra_proposals_path in pyzebra.ZEBRA_PROPOSALS_PATHS:
proposal_path = os.path.join(zebra_proposals_path, proposal)
@ -69,13 +71,16 @@ def create():
file_list.append((os.path.join(proposal_path, file), file))
file_select.options = file_list
cami_meta = {}
proposal_textinput = TextInput(title="Proposal number:", width=210)
proposal_textinput.on_change("value", proposal_textinput_callback)
def upload_button_callback(_attr, _old, new):
nonlocal cami_meta
with io.StringIO(base64.b64decode(new).decode()) as file:
h5meta_list = pyzebra.parse_h5meta(file)
file_list = h5meta_list["filelist"]
cami_meta = pyzebra.parse_h5meta(file)
file_list = cami_meta["filelist"]
file_select.options = [(entry, os.path.basename(entry)) for entry in file_list]
upload_div = Div(text="or upload .cami file:", margin=(5, 5, 0, 5))
@ -182,6 +187,9 @@ def create():
det_data = pyzebra.read_detector_data(new[0])
if cami_meta and "crystal" in cami_meta:
det_data["ub"] = cami_meta["crystal"]["UB"]
index_spinner.value = 0
index_spinner.high = det_data["data"].shape[0] - 1
index_slider.end = det_data["data"].shape[0] - 1

21
pyzebra/h5.py
View File

@ -1,6 +1,10 @@
import h5py
import numpy as np
META_MATRIX = ("UB")
META_STR = ("name")
def read_h5meta(filepath):
"""Open and parse content of a h5meta file.
@ -23,12 +27,29 @@ def parse_h5meta(file):
line = line.strip()
if line.startswith("#begin "):
section = line[len("#begin ") :]
if section in ("detector parameters", "crystal"):
content[section] = {}
else:
content[section] = []
elif line.startswith("#end"):
section = None
elif section:
if section in ("detector parameters", "crystal"):
if "=" in line:
variable, value = line.split("=", 1)
variable = variable.strip()
value = value.strip()
if variable in META_STR:
content[section][variable] = value
elif variable in META_MATRIX:
ub_matrix = np.array(value.split(",")[:9], dtype=np.float).reshape(3, 3)
content[section][variable] = ub_matrix
else: # default is a single float number
content[section][variable] = float(value)
else:
content[section].append(line)
return content