def update_ptv_data(tv, study_instance_uid):
"""
:param tv: treatment volume formatted as a "sets of points" object specified in tools.roi_geometry
:type tv: dict
:param study_instance_uid: study_instance_uid in SQL database
:type study_instance_uid: str
"""
ptv_cross_section = roi_geom.cross_section(tv)
ptv_spread = roi_geom.spread(tv)
condition = "study_instance_uid = '%s' and roi_type like 'PTV%%'" % study_instance_uid
with DVH_SQL() as cnx:
max_dose = cnx.get_max_value('dvhs', 'max_dose', condition=condition)
min_dose = cnx.get_min_value('dvhs', 'min_dose', condition=condition)
ptv_data = {'ptv_cross_section_max': ptv_cross_section['max'],
'ptv_cross_section_median': ptv_cross_section['median'],
'ptv_max_dose': max_dose,
'ptv_min_dose': min_dose,
'ptv_spread_x': ptv_spread[0],
'ptv_spread_y': ptv_spread[1],
'ptv_spread_z': ptv_spread[2],
'ptv_surface_area': roi_geom.surface_area(tv, coord_type='sets_of_points'),
'ptv_volume': roi_geom.volume(tv)}
for key, value in ptv_data.items():
cnx.update('Plans', key, value, "study_instance_uid = '%s'" % study_instance_uid)
def cross_section(study_instance_uid, roi_name):
"""
Recalculate the centroid of an roi based on data in the SQL DB.
"""
coordinates_string = query('dvhs', 'roi_coord_string',
"study_instance_uid = '%s' and roi_name = '%s'" % (study_instance_uid, roi_name))
roi = roi_form.get_planes_from_string(coordinates_string[0][0])
area = roi_geom.cross_section(roi)
for key in ['max', 'median']:
update_dvhs_table(study_instance_uid, roi_name, 'cross_section_%s' % key, area[key])