Add example notebook

.gitignore

 /build/
 *.c
+.ipynb_checkpoints/

examples/notebooks/Demo.ipynb

+%% Cell type:code id: tags:
+
+``` python
+import h5py
+
+from pycrystfel.bindings import inspect_geom_file, find_peaks_single_panel, Detector
+```
+
+%% Cell type:code id: tags:
+
+``` python
+inspect_geom_file('../agipd_simple_2d.geom')
+```
+
+%%%% Output: stream
+
+    n_panels: 128
+    panel names: [b'p0a0', b'p0a1', b'p0a2', b'p0a3', b'p0a4', b'p0a5', b'p0a6', b'p0a7', b'p1a0', b'p1a1', b'p1a2', b'p1a3', b'p1a4', b'p1a5', b'p1a6', b'p1a7', b'p2a0', b'p2a1', b'p2a2', b'p2a3', b'p2a4', b'p2a5', b'p2a6', b'p2a7', b'p3a0', b'p3a1', b'p3a2', b'p3a3', b'p3a4', b'p3a5', b'p3a6', b'p3a7', b'p4a0', b'p4a1', b'p4a2', b'p4a3', b'p4a4', b'p4a5', b'p4a6', b'p4a7', b'p5a0', b'p5a1', b'p5a2', b'p5a3', b'p5a4', b'p5a5', b'p5a6', b'p5a7', b'p6a0', b'p6a1', b'p6a2', b'p6a3', b'p6a4', b'p6a5', b'p6a6', b'p6a7', b'p7a0', b'p7a1', b'p7a2', b'p7a3', b'p7a4', b'p7a5', b'p7a6', b'p7a7', b'p8a0', b'p8a1', b'p8a2', b'p8a3', b'p8a4', b'p8a5', b'p8a6', b'p8a7', b'p9a0', b'p9a1', b'p9a2', b'p9a3', b'p9a4', b'p9a5', b'p9a6', b'p9a7', b'p10a0', b'p10a1', b'p10a2', b'p10a3', b'p10a4', b'p10a5', b'p10a6', b'p10a7', b'p11a0', b'p11a1', b'p11a2', b'p11a3', b'p11a4', b'p11a5', b'p11a6', b'p11a7', b'p12a0', b'p12a1', b'p12a2', b'p12a3', b'p12a4', b'p12a5', b'p12a6', b'p12a7', b'p13a0', b'p13a1', b'p13a2', b'p13a3', b'p13a4', b'p13a5', b'p13a6', b'p13a7', b'p14a0', b'p14a1', b'p14a2', b'p14a3', b'p14a4', b'p14a5', b'p14a6', b'p14a7', b'p15a0', b'p15a1', b'p15a2', b'p15a3', b'p15a4', b'p15a5', b'p15a6', b'p15a7']
+    photon energy: 4972.0
+
+%% Cell type:code id: tags:
+
+``` python
+with h5py.File('../monolithic_img_1.h5', 'r') as f:
+    arr = f['data/data'][()]
+print("Image shape:", arr.shape)
+```
+
+%%%% Output: stream
+
+    Image shape: (1000, 1000)
+
+%% Cell type:code id: tags:
+
+``` python
+peaks_tbl = find_peaks_single_panel(arr, '../1panel.geom')
+peaks_tbl
+```
+
+%%%% Output: stream
+
+    Loaded geometry with 1 panels
+
+%%%% Output: execute_result
+
+                 ss          fs             rx             ry             rz  \
+    0      3.500000  524.250000  2.505115e-318  2.340294e-310  2.340294e-310
+    1      4.500000  328.000000  2.352760e-318   0.000000e+00   0.000000e+00
+    2     18.250000  577.750000   0.000000e+00   0.000000e+00   0.000000e+00
+    3     22.928572  362.928558   0.000000e+00   0.000000e+00   0.000000e+00
+    4     30.500000  651.750000   0.000000e+00   0.000000e+00   0.000000e+00
+    ..          ...         ...            ...            ...            ...
+    120  955.200012  317.399994   0.000000e+00   0.000000e+00   0.000000e+00
+    121  960.166687  793.166687   0.000000e+00   0.000000e+00   0.000000e+00
+    122  961.166687  372.500000   0.000000e+00   0.000000e+00   0.000000e+00
+    123  994.500000  518.833313   0.000000e+00   0.000000e+00   0.000000e+00
+    124  996.500000  521.000000   0.000000e+00   0.000000e+00   0.000000e+00
+    
+            intensity
+    0    18701.500000
+    1    19184.888672
+    2    19427.628906
+    3    33865.886719
+    4    19319.771484
+    ..            ...
+    120  48995.921875
+    121  14225.445312
+    122  13649.546875
+    123  14537.181641
+    124   9605.000000
+    
+    [125 rows x 6 columns]
+
+%% Cell type:code id: tags:
+
+``` python
+det = Detector.from_filename('../agipd_simple_2d.geom')
+```
+
+%% Cell type:code id: tags:
+
+``` python
+det.n_panels
+```
+
+%%%% Output: execute_result
+
+    128
+
+%% Cell type:code id: tags:
+
+``` python
+det.panel_names()[:10]
+```
+
+%%%% Output: execute_result
+
+    ['p0a0',
+     'p0a1',
+     'p0a2',
+     'p0a3',
+     'p0a4',
+     'p0a5',
+     'p0a6',
+     'p0a7',
+     'p1a0',
+     'p1a1']