def fi_yaml(image, **options):
cube = parse_file_label(image)
label = cube['IsisCube']
orbit = label['Archive']['OrbitNumber']
scale = label['Mapping']['PixelResolution']
time = label['Instrument']['StartTime'].replace('T',' ')
with TempImage(image, 'campt') as campt:
isis.campt(from_=image, to=campt)
label = parse_file_label(campt)
points = label['GroundPoint']
clon = points['PositiveEast360Longitude']
clat = points['PlanetocentricLatitude']
data = {
':release': 'YYYY-MM-DD 10:00:00.00 +00:00',
':title': title,
':timestamp': '%s +00:00' % time,
':orbit': orbit,
':clat': '%.3f°' % clat,
':clon': '%.3f°' % clon,
':resolution': '%.2f m/pixel' % scale['value'],
':mode': 'Native',
':ptif': str(image.tif),
':thumb': str(image.png)
}
with open(rename(image, '.yml', '.proj.cub'), 'w') as fp:
yaml.dump(data, fp, default_flow_style=False)
def create_yml(image, title):
""" This function generates a yml file with information.
Args:
image:
title:
"""
cube = parse_file_label(image.proj.cub)
label = cube['IsisCube']
print label
orbit = label['Archive']['OrbitNumber']
scale = label['Mapping']['PixelResolution']
time = label['Instrument']['StartTime'].replace('T',' ')
isis.campt(from_=image, to=image.campt)
label = parse_file_label(image.campt)
points = label['GroundPoint']
clon = points['PositiveEast360Longitude']
clat = points['PlanetocentricLatitude']
data = {
':release': 'YYYY-MM-DD 10:00:00.00 +00:00',
':title': title,
':timestamp': '%s +00:00' % time,
':orbit': orbit,
':clat': '%.3f°' % clat,
':clon': '%.3f°' % clon,
':resolution': '%.2f m/pixel' % scale['value'],
':mode': 'Native',
':ptif': str(image.tif),
':thumb': str(image.png)
}
with open(image.yml, 'w') as yaml_file:
yaml.dump(data, yaml_file, default_flow_style=False)
def do_campt(mosaicname, savepath, temppath):
print("Calling do_campt")
try:
campt(from_=mosaicname, to=savepath, format='flat', append='no',
coordlist=temppath, coordtype='image')
except ProcessError as e:
print(e.stderr)
return mosaicname, False
def do_campt(mosaicname, savepath, temppath):
print("Calling do_campt")
try:
campt(from_=mosaicname,
to=savepath,
format='flat',
append='no',
coordlist=temppath,
coordtype='image')
except ProcessError as e:
print(e.stderr)
return mosaicname, False
def get_campt_label(frompath, sample, line):
try:
group = pvl.load(campt(from_=str(frompath), sample=sample,
line=line)).get('GroundPoint')
except ProcessError as e:
print(e.stdout)
print(e.stderr)
raise e
else:
return group
def get_campt_label(frompath, sample, line):
try:
group = pvl.load(campt(from_=str(frompath),
sample=sample,
line=line)).get('GroundPoint')
except ProcessError as e:
print(e.stdout)
print(e.stderr)
raise e
else:
return group
def crop_latlon(*,
center_lat: float,
center_lon: float,
nsamples,
nlines,
to_cube,
from_cube,
pad=None,
failed_list_to=None):
print('cropping {}'.format(from_cube))
try:
center_campt = pvl.loads(
campt(from_=from_cube,
type="ground",
latitude=center_lat,
longitude=center_lon))
catlab_data = pvl.loads(catlab(from_=from_cube))
except ProcessError as e:
print(e.stderr, e.stdout)
center_pixel = (center_campt['GroundPoint']['Line'],
center_campt['GroundPoint']['Sample'])
#If user asked for max width, start at left edge
if nsamples == 'max':
nw_pixel = [center_pixel[0] - int(nlines) / 2, 1]
nsamples = int(
catlab_data['IsisCube']['Core']['Dimensions']['Samples'])
else:
nw_pixel = [
center_pixel[0] - int(nlines) / 2,
center_pixel[1] - int(nsamples) / 2
]
try:
print("sample:{} line:{}".format(nw_pixel[1], nw_pixel[0]))
crop(from_=from_cube,
sample=int(nw_pixel[1]),
line=int(nw_pixel[0]),
nsamples=nsamples,
nlines=nlines,
to=to_cube)
except ProcessError as e:
print(e.stderr, e.stdout)
if failed_list_to:
with open(failed_list_to, 'a') as failed_list:
failed_list.write(' {}, {} \n'.format(from_cube, e.stderr))
def campt_header(outcube):
"""
Compute the incidence angle at the center of the image and the local
solar time. These are required by the Davinci processing pipeline to
determine what processing to perform.
"""
workingpath, fname = os.path.split(outcube)
fname = os.path.splitext(fname)[0]
header = pvl.load(outcube)
samples = find_in_dict(header, 'Samples')
lines = find_in_dict(header, 'Lines')
coordinatelist = os.path.join(workingpath, 'coordinatelist.lis')
with open(coordinatelist, 'w') as f:
f.write('{},{}\n'.format(samples / 2, lines / 2))
f.write('1,1\n') #UpperLeft
f.write('{},{}\n'.format(samples - 1, lines - 1)) #LowerRight
campt = pvl.loads(
isis.campt(from_=outcube,
to=os.path.join(workingpath, fname + '_campt.pvl'),
usecoordlist='yes',
coordlist=coordinatelist,
coordtype='image'))
for j, g in enumerate(campt.items()):
if j == 0:
#Incidence at the center of the image
try:
incidence = g[1]['Incidence'].value
except:
incidence = g[1]['Incidence']
elif j == 1:
#Upper Left Corner Pixel
stoplocaltime = g[1]['LocalSolarTime'].value
elif j == 2:
#Lower Right Corner Pixel
startlocaltime = g[1]['LocalSolarTime'].value
return incidence, stoplocaltime, startlocaltime
def themis_pairs(root, id1, id2):
def stats(arr, additional_funcs=[]):
return {
'mean': float(np.mean(arr)),
'min': float(np.min(arr)),
'max': float(np.max(arr)),
'stddev': float(np.std(arr))
}
# enforce ID1 < ID2
id1, id2 = sorted([id1, id2])
data_dir = config.data
themis_dir1 = os.path.join(data_dir, "THEMIS", id1[0], id1[1], id1)
themis_dir2 = os.path.join(data_dir, "THEMIS", id2[0], id2[1], id2)
pair_dir = os.path.join(data_dir, "THEMIS_PAIRS", id1, id2)
map_file = config.themis.map_file
if not os.path.isfile(map_file):
raise Exception("{} does not exist.".format(map_file))
pair_original_path = os.path.join(pair_dir, 'original')
pair_images_path = os.path.join(pair_dir, 'imagedata')
bundle_result_path = os.path.join(pair_dir, 'bundle')
plot_path = os.path.join(pair_dir, 'plots')
img1_path = os.path.join(themis_dir1, 'original', 'l1.cub')
img2_path = os.path.join(themis_dir2, 'original', 'l1.cub')
img1_cropped_path = os.path.join(pair_original_path, 'source.l1.cub')
img2_cropped_path = os.path.join(pair_original_path, 'destination.l1.cub')
img1_projected_path = os.path.join(pair_original_path, 'source.l2.cub')
img2_projected_path = os.path.join(pair_original_path, 'destination.l2.cub')
img1_projected_bt_path = os.path.join(pair_original_path, 'source.l2.bt.cub')
img2_projected_bt_path = os.path.join(pair_original_path, 'destination.l2.bt.cub')
img2_matchmapped_path = os.path.join(pair_original_path, 'destination.l2.mm.cub')
img2_matchmapped_bt_path = os.path.join(pair_original_path, 'destination.l2.bt.mm.cub')
cubelis = os.path.join(pair_dir, 'filelist.txt')
cnet_path = os.path.join(bundle_result_path, 'cnet.net')
autocnet_plot_path = os.path.join(plot_path, 'autocnet.tif')
histogram_plot_path = os.path.join(plot_path, 'hist.tif')
overlap_plot_path = os.path.join(plot_path, 'overlap.tif')
img1_b9_path = os.path.join(pair_images_path, 'source.b9.tif')
img2_b9_path = os.path.join(pair_images_path, 'destination.b9.tif')
img1_b9_bt_path = os.path.join(pair_images_path, 'source.b9.bt.tif')
img2_b9_bt_path = os.path.join(pair_images_path, 'destination.b9.bt.tif')
rad_diff_image = os.path.join(pair_images_path, 'rad_diff.tif')
bt_diff_image = os.path.join(pair_images_path, 'bt_diff.tif')
logger.info('Making directories {} and {}'.format(pair_original_path, pair_images_path))
os.makedirs(pair_original_path, exist_ok=True)
os.makedirs(pair_images_path, exist_ok=True)
os.makedirs(bundle_result_path, exist_ok=True)
os.makedirs(plot_path, exist_ok=True)
# write out cubelist
with open(cubelis, 'w') as f:
f.write(img1_cropped_path + '\n')
f.write(img2_cropped_path + '\n')
logger.info('IDs: {} {}'.format(id1, id2))
logger.info('DATA DIR: {}'.format(data_dir))
logger.info('IMAGE 1 PATH: {}'.format(img1_path))
logger.info('IMAGE 2 PATH: {}'.format(img2_path))
logger.info('PAIR OG DIR: {}'.format(pair_original_path))
logger.info('PAIR IMAGE PATH: {}'.format(pair_images_path))
logger.info('PAIR DIR: {}'.format(pair_dir))
img1_smithed = False
img2_smithed = False
img1_smithed = utils.preprocess(id1, themis_dir1, day=True, validate=True, gtiffs=False, projected_images=False)
img2_smithed = utils.preprocess(id2, themis_dir2, day=True, validate=True, gtiffs=False, projected_images=False)
img1_fh = GeoDataset(img1_path)
img2_fh = GeoDataset(img2_path)
# minLat maxLat minLon maxLon
minLat, maxLat, _, _ = img1_fh.footprint.Intersection(img2_fh.footprint).GetEnvelope()
utils.thm_crop(img1_path, img1_cropped_path, minLat, maxLat)
utils.thm_crop(img2_path, img2_cropped_path, minLat, maxLat)
del (img1_fh, img2_fh)
used_smithed = True
if not (img1_smithed and img2_smithed):
logger.info("No smithed kernels found, matching with Autocnet.")
used_smithed = False
cg = utils.match_pair(img1_cropped_path, img2_cropped_path, figpath=autocnet_plot_path)
cg.generate_control_network()
cg.to_isis(os.path.splitext(cnet_path)[0])
bundle_parameters = config.themis.bundle_parameters
bundle_parameters['from_'] = cubelis
bundle_parameters['cnet'] = cnet_path
bundle_parameters['onet'] = cnet_path
bundle_parameters['file_prefix'] = bundle_result_path+'/'
logger.info("Running Jigsaw, parameters:\n")
utils.print_dict(bundle_parameters)
try:
jigsaw(**bundle_parameters)
except ProcessError as e:
logger.error("STDOUT: {}".format(e.stdout.decode('utf-8')))
logger.error("STDERR: {}".format(e.stderr.decode('utf-8')))
raise Exception("Jigsaw Error")
try:
map_pvl = pvl.load(map_file)
except Exception as e:
logger.error("Error loading mapfile {}:\n{}".format(map_file, e))
logger.info('Projecting {} to {} with map file:\n {}'.format(img1_cropped_path, img1_projected_path, map_pvl))
utils.project(img1_cropped_path, img1_projected_path, map_file)
logger.info('Projecting {} to {} with map file:\n {}'.format(img2_cropped_path, img2_projected_path, map_pvl))
utils.project(img2_cropped_path, img2_projected_path, map_file)
img1_footprint = GeoDataset(img1_projected_path).footprint
img2_footprint = GeoDataset(img2_projected_path).footprint
overlap_geom = img2_footprint.Intersection(img1_footprint)
try:
out1, err1 = utils.run_davinci('thm_tb.dv', img1_projected_path, img1_projected_bt_path)
out2, err2 = utils.run_davinci('thm_tb.dv', img2_projected_path, img2_projected_bt_path)
except Exception as e:
logger.error(e)
try:
out1, err1 = utils.run_davinci('thm_post_process.dv', img1_projected_bt_path, img1_projected_bt_path)
out2, err2 = utils.run_davinci('thm_post_process.dv', img2_projected_bt_path, img2_projected_bt_path)
out1, err1 = utils.run_davinci('thm_bandselect.dv', img1_projected_bt_path, img1_projected_bt_path, args=['band=9'])
out2, err2 = utils.run_davinci('thm_bandselect.dv', img2_projected_bt_path, img2_projected_bt_path, args=['band=9'])
except Exception as e:
logger.error(e)
try:
out1, err1 = utils.run_davinci('thm_post_process.dv', img1_projected_path, img1_projected_path)
out2, err2 = utils.run_davinci('thm_post_process.dv', img2_projected_path, img2_projected_path)
out1, err1 = utils.run_davinci('thm_bandselect.dv', img1_projected_path, img1_projected_path, args=['band=9'])
out2, err2 = utils.run_davinci('thm_bandselect.dv', img2_projected_path, img2_projected_path, args=['band=9'])
except Exception as e:
logger.error(e)
footprintinit(from_=img2_projected_bt_path)
footprintinit(from_=img2_projected_path)
logger.info('Creating matchmapped cubes')
utils.project(img2_projected_path, img2_matchmapped_path, img1_projected_path, matchmap=True)
utils.project(img2_projected_bt_path, img2_matchmapped_bt_path, img1_projected_bt_path, matchmap=True)
img1_projected = GeoDataset(img1_projected_path)
img2_projected = GeoDataset(img2_matchmapped_path)
arr1 = img1_projected.read_array()
arr2 = img2_projected.read_array()
arr1[arr1 == pysis.specialpixels.SPECIAL_PIXELS['Real']['Null']] = 0
arr2[arr2 == pysis.specialpixels.SPECIAL_PIXELS['Real']['Null']] = 0
arr1[arr1 == -32768.] = 0
arr2[arr2 == -32768.] = 0
arr1 = np.ma.MaskedArray(arr1, arr1 == 0)
arr2 = np.ma.MaskedArray(arr2, arr2 == 0)
img1_b9_overlap = np.ma.MaskedArray(arr1.data, arr1.mask | arr2.mask)
img2_b9_overlap = np.ma.MaskedArray(arr2.data, arr1.mask | arr2.mask)
rad_diff = np.ma.MaskedArray(img1_b9_overlap.data-img2_b9_overlap.data, arr1.mask | arr2.mask)
img1rads = img1_b9_overlap[~img1_b9_overlap.mask]
img2rads = img2_b9_overlap[~img2_b9_overlap.mask]
img1_b9_overlap.data[img1_b9_overlap.mask] = 0
img2_b9_overlap.data[img2_b9_overlap.mask] = 0
rad_diff.data[rad_diff.mask] = 0
# logger.info('Writing {}'.format(img1_b9_path))
# ds = utils.array2raster(img1_projected_path, img1_b9_overlap, img1_b9_path)
# del ds
#
# logger.info('Writing {}'.format(img2_b9_path))
# ds = utils.array2raster(img2_projected_path, img2_b9_overlap, img2_b9_path)
# del ds
logger.info('Writing {}'.format(rad_diff_image))
ds = utils.array2raster(img1_projected_path, rad_diff, rad_diff_image)
del ds
img1_bt_projected = GeoDataset(img1_projected_bt_path)
img2_bt_projected = GeoDataset(img2_matchmapped_bt_path)
arr1 = img1_bt_projected.read_array()
arr2 = img2_bt_projected.read_array()
arr1[arr1 == pysis.specialpixels.SPECIAL_PIXELS['Real']['Null']] = 0
arr2[arr2 == pysis.specialpixels.SPECIAL_PIXELS['Real']['Null']] = 0
arr1[arr1 == -32768.] = 0
arr2[arr2 == -32768.] = 0
arr1 = np.ma.MaskedArray(arr1, arr1 == 0)
arr2 = np.ma.MaskedArray(arr2, arr2 == 0)
img1_b9_bt_overlap = np.ma.MaskedArray(arr1.data, arr1.mask | arr2.mask)
img2_b9_bt_overlap = np.ma.MaskedArray(arr2.data, arr1.mask | arr2.mask)
bt_diff = np.ma.MaskedArray(img1_b9_bt_overlap.data-img2_b9_bt_overlap.data, arr1.mask | arr2.mask)
img1bt = img1_b9_bt_overlap[~img1_b9_bt_overlap.mask]
img2bt = img2_b9_bt_overlap[~img2_b9_bt_overlap.mask]
img1_b9_bt_overlap.data[img1_b9_bt_overlap.mask] = 0
img2_b9_bt_overlap.data[img2_b9_bt_overlap.mask] = 0
bt_diff.data[bt_diff.mask] = 0
# logger.info('Writing {}'.format(img1_b9_bt_path))
# ds = utils.array2raster(img1_projected_bt_path, img1_b9_bt_overlap, img1_b9_bt_path)
# del ds
#
# logger.info('Writing {}'.format(img2_b9_bt_path))
# ds = utils.array2raster(img2_projected_bt_path, img2_b9_bt_overlap, img2_b9_bt_path)
# del ds
logger.info('Writing {}'.format(bt_diff_image))
ds = utils.array2raster(img1_projected_bt_path, bt_diff, bt_diff_image)
del ds
img1_campt = pvl.loads(campt(from_=img1_path))['GroundPoint']
img2_campt = pvl.loads(campt(from_=img1_path))['GroundPoint']
img1_date = GeoDataset(img1_path).metadata['IsisCube']['Instrument']['StartTime']
img2_date = GeoDataset(img2_path).metadata['IsisCube']['Instrument']['StartTime']
metadata = {}
metadata['img1'] = {}
metadata['img1']['rad'] = stats(img1rads)
metadata['img1']['tb'] = stats(img1bt)
metadata['img1']['emission_angle'] = img1_campt['Emission'].value
metadata['img1']['incidence_angle'] = img1_campt['Incidence'].value
metadata['img1']['solar_lon'] = img1_campt['SolarLongitude'].value
metadata['img1']['date'] = {
'year' : img1_date.year,
'month' : img1_date.month,
'day': img1_date.day
}
metadata['img2'] = {}
metadata['img2']['rad'] = stats(img2rads)
metadata['img2']['tb'] = stats(img1bt)
metadata['img2']['emission_angle'] = img2_campt['Emission'].value
metadata['img2']['incidence_angle'] = img2_campt['Incidence'].value
metadata['img2']['solar_lon'] = img2_campt['SolarLongitude'].value
metadata['img2']['date'] = {
'year' : img2_date.year,
'month' : img2_date.month,
'day': img2_date.day
}
metadata['diff'] = {}
metadata['diff']['rad'] = stats(rad_diff)
metadata['diff']['tb'] = stats(bt_diff)
metadata['diff']['date(days)'] = (img1_date - img2_date).days
metadata['id1'] = id1
metadata['id2'] = id2
metadata['plots'] = {}
metadata['plots']['rad_hist'] = os.path.join(plot_path, 'rad_hist.png')
metadata['plots']['tb_hist'] = os.path.join(plot_path, 'tb_hist.png')
metadata['plots']['diff_hist'] = os.path.join(plot_path, 'diff_hist.png')
metadata['plots']['match_plot'] = autocnet_plot_path
if not used_smithed:
metadata['plots']['matching_plot'] = autocnet_plot_path
metadata['bundle'] = {}
for f in glob(os.path.join(bundle_result_path, '*')):
metadata['bundle'][os.path.basename(os.path.splitext(f)[0])] = f
try:
df = pd.read_csv(metadata['bundle']['residuals'], header=1)
except:
df = pd.read_csv(metadata['bundle']['_residuals'], header=1)
metadata['bundle']['residual_stats'] = stats(np.asarray(df['residual.1'][1:], dtype=float))
utils.print_dict(metadata)
plt.figure(figsize=(25,10))
bins = sns.distplot(img1rads[~img1rads.mask], kde=False, norm_hist=False, label='{} {}'.format(id1, os.path.basename(img1_b9_path)))
bins = sns.distplot(img2rads[~img2rads.mask], kde=False, norm_hist=False, label='{} {}'.format(id2,os.path.basename(img2_b9_path)))
bins.set(xlabel='radiance', ylabel='counts')
plt.legend()
plt.savefig(metadata['plots']['rad_hist'])
plt.close()
plt.figure(figsize=(25,10))
bins = sns.distplot(img1bt[~img1bt.mask], kde=False, norm_hist=False, label='{} {}'.format(id1, os.path.basename(img1_b9_bt_path)))
bins = sns.distplot(img2bt[~img2bt.mask], kde=False, norm_hist=False, label='{} {}'.format(id2, os.path.basename(img2_b9_bt_path)))
bins.set(xlabel='Brightness Temp', ylabel='counts')
plt.legend()
plt.savefig(metadata['plots']['tb_hist'])
plt.close()
plt.figure(figsize=(25,10))
diffplot = sns.distplot(rad_diff[~rad_diff.mask], kde=False)
diffplot.set(xlabel='Delta Radiance', ylabel='counts')
plt.savefig(metadata['plots']['diff_hist'])
plt.close()
metadata_path = os.path.join(pair_dir, 'metadata.json')
json.dump(metadata,open(metadata_path, 'w+'), default=utils.date_converter)
index_path = os.path.join(pair_dir, 'index.json')
index = {}
print(GeoDataset(img1_cropped_path).footprint.ExportToWkt())
print(GeoDataset(img2_cropped_path).footprint.ExportToWkt())
index['overlap_geom'] = overlap_geom.ExportToWkt()
index['img1_geom'] = img1_footprint.ExportToWkt()
index['img2_geom'] = img2_footprint.ExportToWkt()
index['id'] = '{}_{}'.format(id1, id2)
json.dump(index, open(index_path, 'w+'))
utils.print_dict(index)
logger.info("Complete")
def point_info(cube_path, x, y, point_type, allow_outside=False):
"""
Use Isis's campt to get image/ground point info from an image
Parameters
----------
cube_path : str
path to the input cube
x : float
point in the x direction. Either a sample or a longitude value
depending on the point_type flag
y : float
point in the y direction. Either a line or a latitude value
depending on the point_type flag
point_type : str
Options: {"image", "ground"}
Pass "image" if x,y are in image space (sample, line) or
"ground" if in ground space (longitude, lattiude)
Returns
-------
: PvlObject
Pvl object containing campt returns
"""
point_type = point_type.lower()
if point_type not in {"image", "ground"}:
raise Exception(f'{point_type} is not a valid point type, valid types are ["image", "ground"]')
if isinstance(x, Number) and isinstance(y, Number):
x, y = [x], [y]
if point_type == "image":
# convert to ISIS pixels
x = np.add(x, .5)
y = np.add(y, .5)
if pvl.load(cube_path).get("IsisCube").get("Mapping"):
pvlres = []
# We have a projected image
for x,y in zip(x,y):
try:
if point_type.lower() == "ground":
pvlres.append(isis.mappt(from_=cube_path, longitude=x, latitude=y, allowoutside=allow_outside, coordsys="UNIVERSAL", type_=point_type))
elif point_type.lower() == "image":
pvlres.append(isis.mappt(from_=cube_path, sample=x, line=y, allowoutside=allow_outside, type_=point_type))
except ProcessError as e:
print(f"CAMPT call failed, image: {cube_path}\n{e.stderr}")
return
dictres = [dict(pvl.loads(res)["Results"]) for res in pvlres]
if len(dictres) == 1:
dictres = dictres[0]
else:
with tempfile.NamedTemporaryFile("w+") as f:
# ISIS's campt wants points in a file, so write to a temp file
if point_type == "ground":
# campt uses lat, lon for ground but sample, line for image.
# So swap x,y for ground-to-image calls
x,y = y,x
f.write("\n".join(["{}, {}".format(xval,yval) for xval,yval in zip(x, y)]))
f.flush()
try:
pvlres = isis.campt(from_=cube_path, coordlist=f.name, allowoutside=allow_outside, usecoordlist=True, coordtype=point_type)
except ProcessError as e:
warn(f"CAMPT call failed, image: {cube_path}\n{e.stderr}")
return
pvlres = pvl.loads(pvlres)
dictres = []
if len(x) > 1 and len(y) > 1:
for r in pvlres:
if r['GroundPoint']['Error'] is not None:
raise ProcessError(returncode=1, cmd=['pysis.campt()'], stdout=r, stderr=r['GroundPoint']['Error'])
return
else:
# convert all pixels to PLIO pixels from ISIS
r[1]["Sample"] -= .5
r[1]["Line"] -= .5
dictres.append(dict(r[1]))
else:
if pvlres['GroundPoint']['Error'] is not None:
raise ProcessError(returncode=1, cmd=['pysis.campt()'], stdout=pvlres, stderr=pvlres['GroundPoint']['Error'])
return
else:
pvlres["GroundPoint"]["Sample"] -= .5
pvlres["GroundPoint"]["Line"] -= .5
dictres = dict(pvlres["GroundPoint"])
return dictres
def point_info(cube_path, x, y, point_type, allow_outside=False):
"""
Use Isis's campt to get image/ground point info from an image
Parameters
----------
cube_path : str
path to the input cube
x : float
point in the x direction. Either a sample or a longitude value
depending on the point_type flag
y : float
point in the y direction. Either a line or a latitude value
depending on the point_type flag
point_type : str
Options: {"image", "ground"}
Pass "image" if x,y are in image space (sample, line) or
"ground" if in ground space (longitude, lattiude)
Returns
-------
: PvlObject
Pvl object containing campt returns
"""
point_type = point_type.lower()
if point_type not in {"image", "ground"}:
raise Exception(
f'{point_type} is not a valid point type, valid types are ["image", "ground"]'
)
if isinstance(x, Number) and isinstance(y, Number):
x, y = [x], [y]
with tempfile.NamedTemporaryFile("w+") as f:
# ISIS wants points in a file, so write to a temp file
if point_type == "ground":
# campt uses lat, lon for ground but sample, line for image.
# So swap x,y for ground-to-image calls
x, y = y, x
elif point_type == "image":
# convert to ISIS pixels
x = np.add(x, .5)
y = np.add(y, .5)
f.write("\n".join(
["{}, {}".format(xval, yval) for xval, yval in zip(x, y)]))
f.flush()
with tempfile.NamedTemporaryFile("r+") as campt_output:
try:
isis.campt(from_=cube_path,
coordlist=f.name,
allowoutside=allow_outside,
usecoordlist=True,
coordtype=point_type,
to=campt_output.name)
except ProcessError as e:
warn(f"CAMPT call failed, image: {cube_path}\n{e.stderr}")
return
pvlres = pvl.load(campt_output.name)
if len(x) > 1 and len(y) > 1:
for r in pvlres:
# convert all pixels to PLIO pixels from ISIS
r[1]["Sample"] -= .5
r[1]["Line"] -= .5
else:
pvlres["GroundPoint"]["Sample"] -= .5
pvlres["GroundPoint"]["Line"] -= .5
return pvlres
def preprocess(thm_id,
outdir,
day=True,
validate=False,
projected_images=True,
map_file=config.themis.map_file,
originals=True,
gtiffs=False,
meta=True,
index=True):
'''
Downloads Themis file by ID and runs it through spice init and
footprint init.
'''
original = os.path.join(outdir, 'original')
images = os.path.join(outdir, 'images')
ogcube = os.path.join(original, 'l1.cub')
projcube = os.path.join(original, 'l2.cub')
metafile = os.path.join(outdir, 'meta.json')
indexfile = os.path.join(outdir, 'index.json')
os.makedirs(original, exist_ok=True)
os.makedirs(images, exist_ok=True)
kerns = get_controlled_kernels(thm_id)
if os.path.exists(outdir) and os.path.exists(original) and os.path.exists(
metafile) and os.path.exists(indexfile):
logger.info("File {} Exists, skipping redownload.".format(outdir))
return bool(kerns)
if originals:
if day:
out, err = run_davinci('thm_pre_process.dv',
infile=thm_id,
outfile=ogcube)
else:
out, err = run_davinci('thm_pre_process_night.dv',
infile=thm_id,
outfile=ogcube)
if validate:
try:
init(ogcube, additional_kernels=kerns)
label = pvl.loads(campt(from_=ogcube))
except ProcessError as e:
logger.info('campt Error')
logger.info('file: {}'.format(outfile))
logger.error("STDOUT: {}".format(e.stdout.decode('utf-8')))
logger.error("STDERR: {}".format(e.stderr.decode('utf-8')))
incidence_angle = label['GroundPoint']['Incidence'].value
if day and incidence_angle > 90:
logger.info(
"incidence angle suggests night, but {} was proccessed for day, reprocessing"
.format(thm_id))
out, err = run_davinci('thm_pre_process_night.dv',
infile=thm_id,
outfile=ogcube)
init(ogcube, additional_kernels=kerns)
elif not day and incidence_angle <= 90:
logger.info(
"incidence angle suggests day, but {} was proccessed for night, reprocessing"
.format(thm_id))
out, err = run_davinci('thm_pre_process.dv',
infile=thm_id,
outfile=ogcube)
init(ogcube, additional_kernels=kerns)
else:
init(ogcube, additional_kernels=kerns)
if projected_images:
project(ogcube, projcube, map_file)
img = GeoDataset(ogcube)
if meta:
meta = json.loads(
json.dumps(img.metadata,
default=lambda o: str(o)
if isinstance(o, datetime) else o))
try:
meta['map_file'] = str(pvl.load(map_file))
except Exception as e:
logger.error("Failed to load map file {}:\n{}".format(map_file, e))
raise Exception("Invalid map file.")
json.dump(meta, open(metafile, 'w+'))
if kerns:
logger.info('Used Controlled Kernels')
meta['used_control_kernels'] = True
if index:
date = img.metadata['IsisCube']['Instrument']['StartTime']
index_meta = {}
index_meta['geom'] = img.footprint.ExportToWkt()
index_meta['id'] = thm_id
index_meta['time'] = {}
index_meta['time']['year'] = date.year
index_meta['time']['month'] = date.month
index_meta['time']['day'] = date.day
index_meta['time']['hour'] = date.hour
nbands = img.nbands
json.dump(index_meta, open(indexfile, 'w+'))
del img
if gtiffs:
for band in range(1, nbands + 1):
tiffpath = os.path.join(images, 'b{}.tiff'.format(band))
logger.info('Writing: {}'.format(tiffpath))
gdal.Translate(tiffpath, ogcube, bandList=[band], format='GTiff')
return bool(kerns)
def match_pair(img1_path, img2_path, figpath=None):
src_points = point_grid(GeoDataset(img1_path), step=50)
f = open('temp.txt', 'w+')
f.write('\n'.join('{}, {}'.format(int(x), int(y)) for x, y in src_points))
del f
label = pvl.loads(
campt(from_=img1_path, coordlist='temp.txt', coordtype='image'))
points = []
for group in label:
try:
lat = group[1]['PlanetocentricLatitude'].value
lon = group[1]['PositiveEast360Longitude'].value
points.append([lat, lon])
except Exception as e:
continue
logger.info(
"{} points from image1 successfully reprojected to image2, rejected {}"
.format(str(len(points)), str(len(src_points) - len(points))))
if len(points) == 0:
raise Exception("No valid points were found for pair {} {}".format(
img1_path, img2_path))
f = open('temp.txt', 'w+')
f.write('\n'.join('{}, {}'.format(x, y) for x, y in points))
del f
img2label = pvl.loads(
campt(from_=img2_path,
coordlist='temp.txt',
coordtype='ground',
allowoutside=False))
dst_lookup = {}
for i, group in enumerate(img2label):
if not group[1]['Error']:
line = group[1]['Line']
sample = group[1]['Sample']
dst_lookup[i] = [sample, line]
filelist = [img1_path, img2_path]
cg = CandidateGraph.from_filelist(filelist)
edge = cg[0][1]['data']
img1 = GeoDataset(img1_path)
img2 = GeoDataset(img2_path)
src_keypoints = pd.DataFrame(data=src_points, columns=['x', 'y'])
src_keypoints['response'] = 0
src_keypoints['angle'] = 0
src_keypoints['octave'] = 0
src_keypoints['layer'] = 0
src_keypoints
edge.source._keypoints = src_keypoints
results = []
dst_keypoints = []
dst_index = 0
distances = []
arr1 = img1.read_array()
arr2 = img2.read_array()
del img1
del img2
for keypoint in edge.source.keypoints.iterrows():
index, row = keypoint
sx, sy = row['x'], row['y']
try:
dx, dy = dst_lookup[index]
except KeyError:
continue
try:
ret = refine_subpixel(sx,
sy,
dx,
dy,
arr1,
arr2,
size=50,
reduction=10,
convergence_threshold=1)
except Exception as ex:
continue
if ret is not None:
x, y, metrics = ret
else:
continue
dist = np.linalg.norm([x - dx, y - dy])
results.append([0, index, 1, dst_index, dist])
dst_keypoints.append([x, y, 0, 0, 0, 0, 0])
dst_index += 1
matches = pd.DataFrame(data=results,
columns=[
'source_image', 'source_idx',
'destination_image', 'destination_idx',
'distance'
])
if matches.empty:
logger.error(
"After matching points, matches dataframe returned empty.")
dst_keypoints = pd.DataFrame(
data=dst_keypoints,
columns=['x', 'y', 'response', 'size', 'angle', 'octave', 'layer'])
edge.destination._keypoints = dst_keypoints
edge._matches = matches
edge.compute_fundamental_matrix()
distance_check(edge, clean_keys=['fundamental'])
if figpath:
plt.figure(figsize=(10, 25))
cg[0][1]['data'].plot(clean_keys=['fundamental', 'distance'],
nodata=-32768.0)
plt.savefig(figpath)
plt.close()
return cg
