Closed jk-vision closed 6 years ago
Hi.
This would be because the path vertex at the light source and the glass are both specular (delta) and hence they cannot be connected by direct path sampling strategies (their eval() functions return zero all the time). If you use an area sensor then a light tracer (starting from the light source) might be able to have some rays from the glass hit the sensor but with a pinhole camera, you cannot render this also.
Try using photon mapping to visualize this scene or use a small area light source instead of a point light source.
Hi, thanks for your kind reply.
Hi,
i'm new to pbrt and was trying to render an image where the environment is as follows, (the checkerboard is inside the glass box that contains water)![image](https://user-images.githubusercontent.com/35457483/43685472-99f3362a-98ee-11e8-88f3-da50e5a5762b.png)
However, the image rendered in a full black image. Could someone help me with this?
My pbrt file is