Re: [NTG-context] How to "unfill" a picture?

2009-06-23 Thread Zhichu Chen
Fine, I made it in a very weird way. I constructed a very strange path to go through the outer path in counter- clockwise direction and inner path in clockwise dir- ection and filled it. I don't feel good but it can be done now. On Wed, Jun 24, 2009 at 11:13 AM, Zhichu Chen wrote: > Hi, I got a pr

[NTG-context] How to "unfill" a picture?

2009-06-23 Thread Zhichu Chen
Hi, I got a problem in metapost. If I want to draw a ring, and use the code: fill fullcircle scaled 2cm ; unfill fullcircle scaled 1cm ; The inner part is not transparent, it has the color of "background" variable which is "white" by default. This case is a minimal example, I actually wanna draw s