Update README.md

README.md

@@ -1,8 +1,24 @@
-## hexfft
+![Screenshot 2024-05-21 at 1 00 10 PM](https://github.com/chris-langfield/hexfft/assets/34426450/b4eff5e9-2375-4d2c-a77e-5009efb34495)
+
+# hexfft
 
 A Python package aiming to provide an easy and efficient interface to various implementations of the [Hexagonal Fast Fourier Transform](https://en.wikipedia.org/wiki/Hexagonal_fast_Fourier_transform).
 
-### Install
+## Get started
+
+#### Plot hexagonally sampled 2D signals
+```
+from hexfft import HexArray
+from hexfft.plot import hexshow
+import numpy as np
+
+data = np.random.normal(size=(8, 6))
+h = HexArray(data)
+hexshow(h)
+```
+![Screenshot 2024-05-21 at 1 06 04 PM](https://github.com/chris-langfield/hexfft/assets/34426450/92d11a97-8b64-4d3f-9ac9-c612aa4b5437)
+
+## Install
 
 ```
 pip install hexfft
@@ -19,6 +35,7 @@ cd hexfft
 pytest tests/
 ```
 
+## Further reading
 ---------------------------------------
 > R. M. Mersereau, "The processing of hexagonally sampled two-dimensional signals," in Proceedings of the IEEE, vol. 67, no. 6, pp. 930-949, June 1979, doi: 10.1109/PROC.1979.11356