or is there any other math lib that fits this question directly?
On 6月18日, 下午7时09分, Oyster <[email protected]> wrote:
> please look athttp://att.newsmth.net/att.php?p.99.1458407.825.jpg
> andhttp://att.newsmth.net/att.php?s.99.1458407.56265.jpg
>
> the step 1 and 2 is clear
> step 3 says: to fold along a dash line, so that the left-up point
> meets the bottom line, and the up box line crosses the point we get in
> step 2
>
> my question is, how to get the points which are on both the dash line
> and the square border
>
> since I have a lot of picture in this kind. I hope to cook a
> universial program. Any hints?
>
> thanx
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