Guilin Sun
Ansys Employee

不知道你看的是哪里?

你可以用脚本把

Poynting vector 

提取出来:

pv=getresult("CD::T","P");

px=pv.Px;

x=pv.x;

y=pv.y;

z=pv.z;

image(x,y,px(:,:,1,5));

这里的监视器垂直Z轴,其中5代表频率第5点。

你可以根据矢量作图做矢量图:

https://optics.ansys.com/hc/en-us/articles/360034410614-vectorplot-Script-command

下面的例子是用Matlab,在输出数据为Matlab之前,要先将FDTD网格插值为均匀网格,否则图像会失真: 

Ansys Insight: Matlab画图失真问题

https://optics.ansys.com/hc/en-us/articles/360034404034-Creating-vector-plots-with-MATLAB

https://optics.ansys.com/hc/en-us/articles/1500007224401-How-to-put-a-vector-plot-and-mode-field-plot-together-from-your-MODE-simulation