22 lines
799 B
Python
22 lines
799 B
Python
Eph1 = 0.720 # actual photon energy in keV. Don't forget .0 at the end!!
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Eph2 = 0.710 # desired photon energy in keV. Don't forget .0 at the end!!
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do_elog = False
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undlist = ("SATUN06","SATUN07","SATUN08","SATUN09","SATUN10","SATUN11","SATUN12","SATUN13",
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"SATUN15","SATUN16","SATUN17","SATUN18","SATUN19","SATUN20","SATUN21","SATUN22")
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K1, K2 = {}, {}
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for und in undlist:
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K = caget(und + "-UIND030:K_SET")
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K1[und] = K
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K2[und] = ((Eph1 / Eph2 * (K**2 + 2) - 2))**0.5
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print K1,K2
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for und in undlist: caput(und + "-UIND030:K_SET", K2[und])
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#Elog entry
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if do_elog:
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title = "Wavelength change"
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log_msg = "Old photon energy: %0.2f" % Eph1 + " kev\n"
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log_msg = log_msg + "New photon energy: %0.2f" % Eph2 + " keV\n"
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elog(title, log_msg) |