我有一个名为elevation.txt的xyz数据文本文件。
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我使用
读取数据elevation = np.loadtxt('elevation.txt')
x, y, z = elevation[:, 0], elevation[:, 1], elevation[:, 2]
由于每个z点都是相应的x点和y点的唯一组合，因此它们都具有相同的长度150。我想张贴这个表面使用plotly，而不是matplotlib。他们的文档是这样说的:
描述曲面坐标的数据设为z。z中的数据应该是一个2D列表。x和y中的坐标可以是1D列表或2D列表(例如绘制参数曲面)。
然而，z的形状等于
(150, )
必须等于
(150, 150)
我怎样才能做到这一点?
Surface类期望这些点在x和y之间线性间隔(就像np.linspace创建的那些点一样，这里的例子)。您的数据似乎是一组3d点，这些点不是像Surface期望的那样线性分布在网格中。
也许一个更好的解决方案是建立一个3d散点图，或3d网格。