2022-09-05 09:32 Status: Tags: # switch block Phase difference between two paths/lines is a given angle, then you can select the different blocks. ![Pasted image 20220905093404](attachments/Pasted%20image%2020220905093404.png#invert)[^1] --- # References [](../daily/2022-09-05#%5D(2022-09-05#%5D(2022-09-05#%5D(2022-09-05#%5D(2022-09-05#%5D(2022-09-05#%5D(2022-09-05#%5D(2022-09-05#%5D(2022-09-05#)