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4Â¥2014-08-26 22:31:05
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xml´¦Àí²»Âé·³£¬¶øÇÒ±ÈÖ±½Ó¶ÁÎı¾¸üÈÝÒ׵㡣 ±ÈÈç¶ÁÄÜ´øµÄ£º xml = etree.ElementTree(file = ¡®vasprun.xml¡¯£© def get_spin_polarized(xml): ispin = xml.xpath(r'//separator[@name="electronic spin"]/i[@name="ISPIN"]') ispin = int(ispin[0].text) return ispin == 2 def get_bands(xml, is_spin_polarized): band_path = r'//calculation/eigenvalues/array/set/set[@comment="spin {}"]/set[{}]/r' high_kpts = xml.xpath(r'//kpoints/generation[@param="listgenerated"]/v') kpts = xml.xpath(r'/modeling/kpoints/varray[@name="kpointlist"]/v') eigs = [] for i in xrange(len(kpts)): eigs.append(xml.xpath(band_path.format(1, i + 1))) if is_spin_polarized: for i in xrange(len(kpts)): eigs.append(xml.xpath(band_path.format(2, i + 1))) bands = [] dk = 0.0 def kpdist(i, j): ki = [float(i) for i in kpts.text.split()] kj = [float(i) for i in kpts[j].text.split()] return ((kj[0] - ki[0])**2 + (kj[1] - ki[1])**2 + (kj[2] - ki[2])**2)**0.5 for i in xrange(len(kpts)): if i > 0: dk += kpdist(i, i - 1) cb = [dk] for j in xrange(len(eigs[0])): cb.append(float(eigs[j].text.split()[0])) if is_spin_polarized: for j in xrange(len(eigs[0])): cb.append(float(eigs[i + len(kpts)][j].text.split()[0])) bands.append(cb) lines = [] if high_kpts: ck = high_kpts[0] dk = 0.0 for ik in high_kpts: ki = [float(i) for i in ck.text.split()] kj = [float(i) for i in ik.text.split()] dk += ((kj[0] - ki[0])**2 + (kj[1] - ki[1])**2 + (kj[2] - ki[2])**2)**0.5 ck = ik lines.append(dk) return bands, line ÕâÑù²»ÂÛÊÇ·ñÓÃline¶¼²»»áÓÐÎÊÌ⣬¶øÇÒÖ»ÒªºÜÉÙÐ޸ľÍÄÜ´¦ÀífatbandµÄ¼ÆËã¡£ |

8Â¥2014-08-27 13:28:16
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2Â¥2014-08-26 16:46:06
Í·ÀÇ2013
½ð³æ (ÕýʽдÊÖ)
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3Â¥2014-08-26 19:38:02
Â̱éɽÔ
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- Ó¦Öú: 64 (³õÖÐÉú)
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- ºì»¨: 5
- Ìû×Ó: 159
- ÔÚÏß: 201.2Сʱ
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- ×¢²á: 2010-10-21
- ÐÔ±ð: GG
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5Â¥2014-08-27 08:20:56
xujc1983
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6Â¥2014-08-27 09:02:04
xujc1983
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7Â¥2014-08-27 09:02:49
xujc1983
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9Â¥2014-08-27 13:55:23
Oristle
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