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Tilt three.js background or tilt HDRI image?

由 依然范特西╮ 提交于 2021-01-29 14:53:12
问题 I'm doing a space sim with three.js, and I need to tilt the star map by ~23.44 degrees (earth's axial tilt) to orient it to the ecliptic. The source files are HDRI oriented to the celestial equator. Do I need Blender, and would that work? Or is there a procedural way in three.js to tilt the background? I have tried using a sphere geometry in three.js, and I have seen the other SO answer "solved" using a box geometry, but neither of these are suitable because I'm already working with

How to load *.hdr files using python

由 爱⌒轻易说出口 提交于 2021-01-22 10:49:17
问题 I would like to read an environment map in *.hdr file format. It seems that very popular libraries doesn't support .hdr file reading, for example, OpenCV, PIL etc.. So how to read a .hdr file into a numpy array? 回答1: I found ImageIO very useful. It can handle many image file formats including .hdr images. Here is the list: ImageIO Formats It can be easily installed using easy_install or pip. 来源： https://stackoverflow.com/questions/32785338/how-to-load-hdr-files-using-python

Open Source HDR library recommendations [closed]

由 ▼魔方 西西 提交于 2019-12-10 10:08:14
问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . So I'm doing some research related to High Dynamic Range Imaging (HDRI). I've already done some work in OpenCV related to aligning and ghost removal (no actual HDR manipulation or creation yet), and now I would like to be able to start working with HDR images. Can anyone recommend a good open source HDR library

Open Source HDR library recommendations [closed]

由 别说谁变了你拦得住时间么 提交于 2019-12-05 21:37:40
Closed. This question is off-topic . It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . So I'm doing some research related to High Dynamic Range Imaging (HDRI). I've already done some work in OpenCV related to aligning and ghost removal (no actual HDR manipulation or creation yet), and now I would like to be able to start working with HDR images. Can anyone recommend a good open source HDR library that would ideally allow me to do the following: Read/ Write an HDR format (I'm not commited to a
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