Displaying raster image (tiff, img, hdf) using gdal, Tkinter?

How do I read a TIFF file in GDAL?

To open a raster file we need to register drivers. In python, GDALAllRegister() is implicitly called whenever gdal is imported. The tiff file to be opened can be downloaded here. Importing the modules: Import the gdal and ogr modules from osgeo.
 

How do I visualize a TIF file?

To visualize a tiff file we need matplotlib and GDAL modules in python.



Approach:

1. Import the module.
2. Count the number of bands.
3. Fetch all the raster bands from the tiff file.
4. Read the bands into NumPy arrays.
5. Pass the arrays into Matplotlib’s imshow() to visualize.

How to read raster file in Python?

Rasterio is a highly useful module for raster processing which you can use for reading and writing several different raster formats in Python. Rasterio is based on GDAL and Python automatically registers all known GDAL drivers for reading supported formats when importing the module.