def get_ndvi(latlng_pair):
latlng = []
latlng.append(list(latlng_pair))
l = GeoCoordinatesToWorldwideReferenceSystem()
image_map = l.getPathRowToLatLngListMapFromLatLngList(latlng)
for path in image_map.keys():
value = image_map[path]
for row in value.keys():
directory_path = construct_directory_path(path, row)
latlng_pairs = value[row]
band_file = get_band_filename(directory_path)
xy_pairs = get_xy_from_latlng(latlng_pairs, directory_path+band_file)
xy_pairs_bands = get_bands(xy_pairs, directory_path)
print band_file
print xy_pairs_bands
metadata = ParseMetaData(band_file.split('_')[0], directory_path)
metadata.get_meta_filename()
metadata.process_metadata()
m_b4 = metadata.get_radiance_mult_band_4()
m_b5 = metadata.get_radiance_mult_band_5()
a_b4 = metadata.get_radiance_add_band_4()
a_b5 = metadata.get_radiance_add_band_5()
ndvi = CalcNDVI(m_b4, m_b5, a_b4, a_b5)
band4And5Pairs = map(lambda allBands : [allBands[3], allBands[4]],
xy_pairs_bands)
return ndvi.computeNDVIList(band4And5Pairs)
def get_ndvi(latlng_pair):
latlng = []
latlng.append(list(latlng_pair))
l = GeoCoordinatesToWorldwideReferenceSystem()
image_map = l.getPathRowToLatLngListMapFromLatLngList(latlng)
for path in image_map.keys():
value = image_map[path]
for row in value.keys():
directory_path = construct_directory_path(path, row)
latlng_pairs = value[row]
band_file = get_band_filename(directory_path)
xy_pairs = get_xy_from_latlng(latlng_pairs,
directory_path + band_file)
xy_pairs_bands = get_bands(xy_pairs, directory_path)
print band_file
print xy_pairs_bands
metadata = ParseMetaData(band_file.split('_')[0], directory_path)
metadata.get_meta_filename()
metadata.process_metadata()
m_b4 = metadata.get_radiance_mult_band_4()
m_b5 = metadata.get_radiance_mult_band_5()
a_b4 = metadata.get_radiance_add_band_4()
a_b5 = metadata.get_radiance_add_band_5()
ndvi = CalcNDVI(m_b4, m_b5, a_b4, a_b5)
band4And5Pairs = map(lambda allBands: [allBands[3], allBands[4]],
xy_pairs_bands)
return ndvi.computeNDVIList(band4And5Pairs)
print band_file
gt, ct = gh.open_and_transform(band_file)
pixel_pairs = gh.coordarray_to_pixelarray(latlng_pairs, ct, gt)
return pixel_pairs
def get_band_filename(directory_path):
files = os.listdir(directory_path)
return files[0]
def get_bands(xy_pairs, directory_path):
k = stackGeoTIFF(directory_path)
k.load_bands()
return k.get_pixel_stacks(xy_pairs)
latLngList = [[27.486772, -81.459955],[27.397890, -81.296839],[27.425886, -81.173685],[27.364792, -81.398872],[27.361307, -81.413538]]
l = GeoCoordinatesToWorldwideReferenceSystem()
image_map = l.getPathRowToLatLngListMapFromLatLngList(latLngList)
print image_map
xy_pairs = []
for path in image_map.keys():
value = image_map[path]
for row in value.keys():
directory_path = construct_directory_path(path, row)
latlng_pairs = value[row]
band_file = get_band_filename(directory_path)
xy_pairs = get_xy_from_latlng(latlng_pairs, directory_path+band_file)
xy_pairs_bands = get_bands(xy_pairs, directory_path)
print band_file
print xy_pairs_bands
def get_bands(xy_pairs, directory_path):
k = stackGeoTIFF(directory_path)
k.load_bands()
return k.get_pixel_stacks(xy_pairs)
latLngList = [
[27.486772, -81.459955],
[27.397890, -81.296839],
[27.425886, -81.173685],
[27.364792, -81.398872],
[27.361307, -81.413538],
]
l = GeoCoordinatesToWorldwideReferenceSystem()
image_map = l.getPathRowToLatLngListMapFromLatLngList(latLngList)
print image_map
xy_pairs = []
for path in image_map.keys():
value = image_map[path]
for row in value.keys():
directory_path = construct_directory_path(path, row)
latlng_pairs = value[row]
band_file = get_band_filename(directory_path)
xy_pairs = get_xy_from_latlng(latlng_pairs, directory_path + band_file)
xy_pairs_bands = get_bands(xy_pairs, directory_path)
print band_file
print xy_pairs_bands