Created
July 6, 2022 17:02
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import rasterio | |
import numpy as np | |
INP_FILE = "91_1040010039040600.tif" | |
dataset = rasterio.open(INP_FILE, "r") | |
print(f'dataset: {dataset}') | |
# r = np.zeros(data.shape) | |
# g = np.zeros(data.shape) | |
# b = np.zeros(data.shape) | |
print(f'dataset.name: {dataset.name}') | |
print(f'dataset.mode: {dataset.mode}') | |
print(f'dataset.closed: {dataset.closed}') | |
print(f'dataset.width: {dataset.width}') | |
print(f'dataset.height: {dataset.height}') | |
print(f'dataset.meta: {dataset.meta}') | |
# dtype_dict = {i: dtype for i, dtype in zip(dataset.indexes, dataset.dtypes)} | |
# print(f'dtype_dict: {dtype_dict}') | |
# meta = src.meta | |
# print(f'meta: {meta}') | |
# meta.update( | |
# dtype=rasterio.uint8, | |
# nodata=0, | |
# count=3 | |
# ) | |
print(f'dataset.bounds: {dataset.bounds}') | |
print(f'dataset.transform: \n{dataset.transform}') | |
upper_left_corner = dataset.transform*(0,0) | |
lower_right_corner = dataset.transform * (dataset.width, dataset.height) | |
print(f'upper_left_corner: {upper_left_corner}') | |
print(f'lower_right_corner: {lower_right_corner}') | |
print(f'dataset.crs: {dataset.crs}') | |
# band indexing | |
print(f'dataset.indexes: {dataset.indexes}') | |
read_band_1 = dataset.read(1) | |
read_band_2 = dataset.read(2) | |
read_band_3 = dataset.read(3) | |
print(f'read_band_1: {read_band_1}') | |
print(f'read_band_2: {read_band_2}') | |
print(f'read_band_3: {read_band_3}') | |
check1 = read_band_1[dataset.height // 2, dataset.width // 2] | |
print(f'check1: {check1}') | |
check2 = dataset.xy(dataset.height // 2, dataset.width // 2) | |
print(f'check2: {check2}') | |
# wrong... check2 = read_band_2[dataset.height // 2][dataset.width // 2] | |
# print(f'check2: {check2}') | |
# with rasterio.open('outfile.tif', 'w', **meta) as dst: | |
# dst.write_band(1, r.astype(rasterio.uint8)) | |
# dst.write_band(2, g.astype(rasterio.uint8)) | |
# dst.write_band(3, b.astype(rasterio.uint8)) |
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