size is due to the halo/fuzzy effect

所有跟贴·加跟贴·新语丝读书论坛

送交者: pgss 于 2013-08-10, 05:20:11:

回答: think about the optics... 由 pgss 于 2013-08-10, 00:08:16:

but wouldnt change much since the sun (light source) is so far away

http://usatoday30.usatoday.com/tech/columnist/aprilholladay/2006-08-14-shadows-numbers_x.htm



所有跟贴:

加跟贴

笔名: 密码: 注册笔名请按这里

标题:

内容: (BBCode使用说明)