In the linear Displacement sensor circuit board, it is necessary to operate in a very small polygon copper, always prompt "self-intersecting Polygon" error, meaning that the outline line itself crosses, in other words, the line width and polygon size does not coordinate well. As a phenomenon:
Workaround:
1, will outline line width adjustment Small, found not prompt "self-intersecting Polygon" error, but apply copper to become grid-like, such as.
The phenomenon of the copper skin mesh, the reason is: This line is wider than the system set copper clearance this value,
1) Adjust the rule settings, Copper the value of clearance, so that your outline line is larger than the trace and trace values, it will not go out of the grid phenomenon.
2) Tick "solid copper" mesh into solid copper skin,
"Original" Pads layout draw polygon Copper, appear self-intersecting Polygon, Solution