How to save V-ray light cache and irradiance map

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How to save V-ray light cache and irradiance map

Post by Norman on Thu Apr 22, 2010 2:51 pm

First topic message reminder :

3rd tutorial ko para sa inyo....

para sa lahat ng gustong mapabilis ang final rendering.....one of the SECRET ng vray max. 50 to 80% of rendering time ang pwede mong e-save. i got this tip dun sa mga indonesian friends ko dito....ang laking pasalamat ko kila sakta, joe saka dhedhe kahit hindi sila member dito..wahehe..baka kakilala nyo lang.....

kailangan natin e-save yung computed data information ng vray light cache and irradiance map para magamit natin sa pagrender ng final output. ginagawa natin ito para pag nerender natin yung final hindi na ko-kompyuten ng max yung light cache saka irradiance. dyan kasi minsan tumatagal ang render. and specially yung RAM memory nya na o-optimize ang paggamit since hindi na magko-compute. iwas crash ng PC and 6 hours na rendering sa mga naririnig ko sa ibang member.

subukan ko pong explain lahat sa abot ng aking makakaya kasi medyo komplikado ang procedure. importante makuha nyo muna yung concept para tama nyo magawa.

ito po yung idea ng procedure:

STEP 1: TEST RENDER > SAVE(light cache, irradiance map)
STEP 2: LOAD SAVED(light cache, irradiance map) > FINAL RENDER

ganito po yung procedure

after natin ma-set yung desired lighting, ambiance, environment sa scene natin tapos ready na tayo magpa-final output.

STEP 1: TEST RENDER
set natin yung vray sa pinaka simple settings like, image sampling(anti aliasing)

image sampler: FIXED
anti aliasing filter: OFF

tapos sa irradiance map ang light cache

1. current preset > very low
2. hsph subdivs: 20 or kahit na mga 2 ang value, pati na rin yung interp sample: 20
3 yung light cache value ng subdiv: 20 lang, tpos yung sample size .01

>>>CLICK RENDER<<<
dito sa step na ito di importante yng quality ng rendering since ang kailangan lang natin yung computation ng vray sa mga ilaw.

STEP 2: LOAD SAVED(light cache, irradiance map)
once natapos yung rendering ese-save na natin yung mga light cache and irradiance map.

irradiance map

1. click "save to file". the file should be .vrmap
2. change "single frame" to "from file"
3. "browse" the .vrmap you have created



samething with light cache
1. click "save to file". the file should be .vrlmap
2. change "single frame" to "from file"
3. "browse" the .vrlmap you have created

after nating magawa yung lahat na ito ready na tayo mag set ng pang final na setting. pwede nyo na e-adjust yung mga value ng lahat ng anti aliasing, irradiance map, light cache values para sa final rendering nyo. wag nyo lang gagalahin ulit yung value ng lighting at iba pang related sa light kasi mawawala yung use ng sinave mong VRMAP at VRLMAP.

NOTE: sa isang angle lang ito applicable. so kung may bago kayong view or angle di na magagamit yung file na ginawa nyo kasi applicable lang sya dun sa angle na yun. try nyong gamitin yung vrmap saka yug vrlmap sa ibang view or camera maiiba ang timpla ng lighting. kasi gagamitin nya yung data ng dating cam/angle dun sa bago mong cam/angle n hindi pareho ng setting ng lighting.

check this discussion -

http://www.cgpinoy.org/cg-discussions-f30/saving-irradiance-map-light-cache-t1112.htm


Last edited by f-fortyone on Sat May 29, 2010 1:40 am; edited 2 times in total

Norman
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Re: How to save V-ray light cache and irradiance map

Post by jamesalbert on Tue May 17, 2011 5:33 pm

sir f-41 bakit pag inoopen ko itong topic na ito laging di ko nakikita mga pic dito??? bakit???di ko tuloy masve page as ito Sad

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Re: How to save V-ray light cache and irradiance map

Post by roldanulep on Mon Aug 22, 2011 1:21 am

maq1226 wrote:kuya ganyan din po ba sa Vray for sketchup? Yung concept?


opo sir ganyan sa vray su
ganyan po ang gnagamit ko dahil jan sa tuts n sir nomer

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Re: How to save V-ray light cache and irradiance map

Post by Norman on Mon Aug 22, 2011 5:10 am

nyakunam wrote:galing master f41... big huge gigatic help po ito.. salamat po Godbless


vinc3nt12 wrote:Many many thanks for this! This decreased my render times from 3 hours to just under an hour! And without compromising quality! Smile


reds wrote:galing ng point ninyo sir.. maraming salamat po sa pag-share sa mahalagan information.. malaking tulong ito sa time..


quicklearner wrote:wow, buti na lang napadpad ako dito..
malaking tulong po ang tumambay dito..
napakagenerous nyo talaga. nagtutulungan.
bago pa lang po ako dito at bagito pa sa pagrerender using 3dsmax and vray. i really love your works here, mga cgpinoys.. i'm honored to be here.
marami na rin akong natututunan. nakakainspire talaga mga works nyo dito. thank you so much. matagal na po akong naghahanap ng mga taong katulad nyo.. hehehe
salamat mabuhay ang pinoy....


sakuratei wrote:salamat sa tutorial na ito sir f-41, kakasali ko palang sa CGPINOY within this month at laki agad ang render time ko dahil dito thanks


welcome mga bro..

jamesalbert wrote:sir f-41 bakit pag inoopen ko itong topic na ito laging di ko nakikita mga pic dito??? bakit???di ko tuloy masve page as ito Sad


try mong clear yung cache mo sa PC or try differenent internet explorer. minsan ganyan din yun sa akin.

Norman
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Re: How to save V-ray light cache and irradiance map

Post by aries on Thu Sep 29, 2011 1:54 pm

maraming salamat master malaking tulong sa amin ito kung paano mapabilis ang render namin.

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Re: How to save V-ray light cache and irradiance map

Post by rich on Tue Nov 15, 2011 11:43 am

tanong lang, kelangan ba sa test render(save to file)naka final resolution size na., o pwedeng low res muna. tapos pag final render na, lakihan ko na yung resolution then change to(from file). madalas kasi sa work 4000 pixel width gamit.

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