{"version":"1.0","provider_url":"https://hatena.blog","height":"190","title":" Optical and Ray Tracing Mathematics","description":"http://arachnoid.com/OpticalRayTracer_technical/resources/opticalraytracer_technical.pdf","author_url":"https://blog.hatena.ne.jp/hanecci/","type":"rich","provider_name":"Hatena Blog","url":"https://hanecci.hatenadiary.org/entry/20150815/p6","categories":["CG","RAY_TRACE"],"image_url":null,"blog_title":"OLD hanecci\u2019s blog : \u65e7 \u306f\u306d\u3063\u3061\u30d6\u30ed\u30b0","width":"100%","published":"2015-08-15 00:00:05","blog_url":"https://hanecci.hatenadiary.org/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhanecci.hatenadiary.org%2Fentry%2F20150815%2Fp6\" title=\" Optical and Ray Tracing Mathematics - OLD hanecci\u2019s blog : \u65e7 \u306f\u306d\u3063\u3061\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"hanecci"}