问题描述
我有此代码:
plt.scatter(data_projected[:,0],data_projected[:,1],c=digits.target
,edgecolors='none',alpha=0.5,cmap=plt.cm.get_cmap('nipy_spectral',10));
我的困惑来自 plt.cm.get_cmap('nipy_spectral'，10).有时会有 plt.cm.get_cmap('RdYlBu').
My confusion comes from plt.cm.get_cmap('nipy_spectral',10). Sometimes there will be plt.cm.get_cmap('RdYlBu') instead.
'RdYlBu'，'nipy_spectral'是颜色的名称吗?还有其他名称可以代替吗?
Is the 'RdYlBu','nipy_spectral' the name of a color? And is there any other names to use instead?
是否有所有可用颜色的列表?
Is there a list of all colors available?
我已阅读文档，但它似乎无济于事或我听不懂它.
I have read the document but it does not seem to help or I do not understand it.
推荐答案
plt.cm.get_cmap('nipy_spectral',10)的第一个参数是色图的名称.您可以通过
The first argument to plt.cm.get_cmap('nipy_spectral',10) is the name of a colormap. You can get a list of all available colormaps via
import matplotlib.cm
print(matplotlib.cm.cmap_d.keys())
，或者您可以查看颜色图参考.
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