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#1 2017-01-24 16:40:43

bonovasitch
Member

convert an hdr

A quick question about hdr files supported by guerilla.  I was looking to convert some hdr images found online but haven't encountered any that guerilla will read.  Can someone summarize what is considered a valid hdr image by guerilla?

using hdr images from http://www.pauldebevec.com/Probes/,

render --buildtex --in campus_probe.hdr --mode ball --filter box --out sky.tex

Output,
Invalid file signature
Unknown image file format : campus_probe.hdr
buildtex: error opening the bitmap 'campus_probe.hdr'

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#2 2017-01-24 17:22:09

bonovasitch
Member

Re: convert an hdr

I guess the docs spell it out,

The original texture can be in one of the following formats : TIFF, EXR, PNG, TGA, PSD, JPEG, RAW, IFF.

The Environment Lights page talked about using hdr images which I misinterpreted to mean I could use an ".hdr" image.

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#3 2017-01-25 15:43:46

soz
Member

Re: convert an hdr

guerilla does'nt work with HDR images, you can easily convert HDR to EXR with nuke or photoshop


Tristan

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#4 2017-01-26 09:36:59

doubleailes
Guerilla dev, the guy to hug

Re: convert an hdr

Watch out. Make difference between .hdr files and HDR images.

OpenExr (.exr) files are HDR but not .hdr


You can convert it in Natron. It's free.
https://natron.fr/

We use it a lot in production to make all the simples conversion.


Philippe Llerena

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