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giuliojiang / pbrt-v3-IILE

A Machine Learning Global Illumination renderer based on PBRTv3
https://osr.jstudios.ovh
BSD 2-Clause "Simplified" License
21 stars 4 forks source link

how to render a pbrt scene file #57

Closed pengwang123 closed 6 years ago

pengwang123 commented 6 years ago

I use ./build/pbrt "scene path" to render. but it shows: api.cpp: pbrtIntegrator name is iispt nnconnectormanager.cpp: Starting NN connector 0 ERROR, environment variable IISPT_STDIO_NET_PY_PATH is not defined. Shutting down...

what's the problem, I compiled from the source code.

giuliojiang commented 6 years ago

Hi @pengwang123 , thanks for trying out my software.

The env variable is automatically set by the launcher bin/pbrt. It's a simple nodejs script that sets up some environment variable and some useful command line arguments.

cd bin and npm install to get some dependencies, and you can use ./bin/pbrt <scene.pbrt> just as the normal pbrt executable, as other arguments are passed along.

If you prefer to use the native executable, have a look at what the launcher does here https://github.com/giuliojiang/pbrt-v3-IILE/blob/master/bin/pbrt#L53 to set the environment.

Feel free to ask more if it doesn't work or need more info.

pengwang123 commented 6 years ago

Thanks so much for replying!!! I followed the steps. cd bin and then npm install. it shows:

npm WARN pbrt-launcher@1.0.0 No description npm WARN pbrt-launcher@1.0.0 No repository field.

and ./bin/pbrt /home/.../killeroo-simple.pbrt shows errpr:

FileNotFoundError: [Errno 2] No such file or directory: 'iispt_model.tch' childprocess.hpp: Encountered EOF after [0] bytes already read iisptnnconnector.cpp: Error when reading float array iisptnnconnector.cpp: An error occurred when reading output image iisptrenderrunner.cpp: Thread 5 NN communication issue

sorry for my poor linux experience, did I missing something that should be installed? Thanks again!

giuliojiang commented 6 years ago

You can download it from https://github.com/giuliojiang/pbrt-v3-IISPT-dataset/releases/download/v4/iispt_model_f1.tch

and move (rename) it into pbrt-v3-IILE/iispt_model.tch

I think it's my fault as the documentation is quite lacking at the moment

pengwang123 commented 6 years ago

It works!!! Thanks for your patience and instructions. By the way, have u published a paper for this work or there is any reference paper related to this CNN tech? It would be exciting to learn the details of it.

Thanks again!

giuliojiang commented 6 years ago

No worries. I'm updating the official documentation on the website to make life easier for other users.

I have a paper for this, but it's currently under review. I'll definitely add a link on the website once it's been approved (hopefully).

If you don't mind I'd be interested to know how you found out about this project.

pengwang123 commented 6 years ago

I found here form pbrt website~it indicates that a tool for export pbrt scene file form blender. That's great, hope to see your publication soon!!! Thanks again!!! Regards

giuliojiang commented 6 years ago

awesome

have a nice day!