Re: [Matplotlib-users] centering axis ticks labels

[Johann Cohen-T. <co...@lp...>]

import numpy as np
import matplotlib.pylab as plt

ROIS=["1.0","0.9","0.8","0.7","0.6","0.5","0.4","0.3","0.2","0.1"]
EMINS=["100","125","150","175","200","250","300","500","700","1000"]

d=np.array([81.820974990633303,
82.905629922471107,
79.590599078715002,
83.8076661158848,
84.340371447361704,
86.470741120340406,
86.325669295272604,
78.547789147572104,
61.234561761417801,
42.336057180561099,
79.452456461883799,
78.886459859281402,
76.101705425124905,
81.152956140890893,
79.325736080403303,
81.869315277384999,
82.334627586818499,
80.751043622934901,
63.687981070736697,
42.336057180561099,
81.561434110553193,
81.733934887474803,
77.281383826158105,
81.735026440126006,
78.759069413428506,
83.011430606978095,
83.1028280527253,
84.831802384752606,
70.310404261509206,
42.336057180561099,
79.049391539046098,
80.359440097576794,
77.772159524822001,
83.654958151325204,
79.578518689189593,
83.313224279315094,
85.904971250263898,
88.016057678182506,
72.556205760527106,
43.079858727017502,
74.014083853922003,
74.991828576951406,
72.176483952900597,
79.931150578720604,
76.810283824455198,
81.319067727368093,
82.606434816726093,
79.296669680086296,
67.530619223090795,
43.830850940183701,
78.570285512017804,
80.011420916551302,
78.048745087146898,
85.986292098240298,
83.757389242109198,
85.399220867247493,
84.378739151586601,
83.838909509599304,
72.219496155423101,
54.667696386193299,
64.771390756530494,
65.179725530642799,
65.901293578971206,
70.324974696479799,
68.229487152871201,
69.183487824467093,
72.191878118072495,
75.809844472900906,
64.968437827963001,
54.162402578714399,
57.958372971901703,
57.342923745772502,
58.459763976540003,
61.621347971812597,
56.633079601774597,
56.443549659648298,
55.463724005796699,
57.973081450418903,
48.107631297574798,
40.4952182396881,
46.761865533859897,
47.869196203907997,
47.310621469889,
47.7642158774199,
45.1306027800862,
49.647667752226802,
47.310281669050198,
48.629496015722999,
40.947773761156398,
33.032212415148798,
27.819471401269102,
28.166844457481599,
26.861003210437801,
27.875138576975701,
26.295879497460898,
31.165730874019399,
29.333496744941801,
35.518932552857997,
34.476676188903603,
30.448752651955001])

d.resize(len(EMINS),len(ROIS))
plt.pcolor(d)

.... and now I would like to have EMINS and ROIS values labelling each 
"pixel" or each square of the checkerboard if you prefer.....

thanks a lot for your help.
Johann