[英]How to get a sorted list from a list which contains many list that have already been sorted?
[英]Making a list from data points which already have been plotted
我正在尝试列出我已经绘制的数据点/线,但我无法让它工作。 我尝试了几件事,但不幸的是没有结果。
我想要的是我得到一个我刚刚绘制的数据点的列表。 之后,我希望能够在列表的帮助下创建多行,而不是现在发生的所有小行。 绘图是在这两行中完成的:
这个绘制垂直线ax.plot([i+1.5,i+1.5], [j+.5,j+1.5], linewidth=3,linestyle='-',color='#000000')
这个绘制水平线ax.plot([i+.5,i+1.5], [j+1.5,j+1.5], linewidth=3,linestyle='-',color='#000000')
有人可以帮帮我吗? 下面是我的代码的一部分。
for iIsochrone in range(int(np.nanmin(array)),int(np.nanmax(array)), Wavelinetime):
#zorgt voor golflijn met stappen van 10 vertikaal
for i in range(fileObject.numberOfColumnsInArray-1):
for j in range(fileObject.numberOfRowsInArray):
if (array[j, i]<=iIsochrone and array[j, i+1]>iIsochrone) or (array[j, i]>iIsochrone and array[j, i+1]<=iIsochrone):
ax.plot([i+1.5,i+1.5], [j+.5,j+1.5], linewidth=3,linestyle='-',color='#000000') #rechte blockline
#zorgt voor golflijn met stappen van 10 horizontaal
for i in range(fileObject.numberOfColumnsInArray):
for j in range(fileObject.numberOfRowsInArray-1):
if (array[j, i]<=iIsochrone and array[j+1, i]>iIsochrone) or (array[j, i]>iIsochrone and array[j+1, i]<=iIsochrone):
ax.plot([i+.5,i+1.5], [j+1.5,j+1.5], linewidth=3,linestyle='-',color='#000000') #rechte blockline```
如此 SO post中所述,您可以使用get_lines()
方法从 plot 中提取数据点
gca().get_lines()[n].get_xydata()
编辑:
另一种选择是在绘制之前保存这些值。
例如,由于您正在使用列表,您可以将i值保存到名为mylisti的列表中,将j值保存到另一个名为mylistj的列表中:
mylisti=[]
mylistj=[]
for iIsochrone in range(int(np.nanmin(array)),int(np.nanmax(array)), Wavelinetime):
#zorgt voor golflijn met stappen van 10 vertikaal
for i in range(fileObject.numberOfColumnsInArray-1):
for j in range(fileObject.numberOfRowsInArray):
if (array[j, i]<=iIsochrone and array[j, i+1]>iIsochrone) or (array[j, i]>iIsochrone and array[j, i+1]<=iIsochrone):
mylisti+=[i+1.5,i+1.5]
mylistj+=[j+.5,j+1.5]
ax.plot([i+1.5,i+1.5], [j+.5,j+1.5], linewidth=3,linestyle='-',color='#000000') #rechte blockline
#zorgt voor golflijn met stappen van 10 horizontaal
for i in range(fileObject.numberOfColumnsInArray):
for j in range(fileObject.numberOfRowsInArray-1):
if (array[j, i]<=iIsochrone and array[j+1, i]>iIsochrone) or (array[j, i]>iIsochrone and array[j+1, i]<=iIsochrone):
ax.plot([i+.5,i+1.5], [j+1.5,j+1.5], linewidth=3,linestyle='-',color='#000000') #rechte blockline```
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