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<DIV align=left><FONT color=#003366 size=+1><EM>The Hdr Image
Library</EM></FONT> <EM>powered by <A
href="http://www.3dweave.com/">http://www.3dweave.com/</A></EM><BR><NOBR><A
href="http://www.cgtechniques.com/projects.php"> // Projects</A> <A
href="http://www.cgtechniques.com/tutorials.php"> // Tutorials</A> <A
href="http://www.cgtechniques.com/goodies.php"> // Goodies</A> <A
href="http://www.cgtechniques.com/contribute.php"> // Siteinfo</A>
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<TH width=1><BR><BR><A
href="http://www.cgtechniques.com/"> CGTechniques.com </A>
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<P> </P>
<H1>HEMISPHERICAL HDR-IMAGES - Urban Places</H1>
<P>If you like what you have downloaded, than please donate with Paypal or
<A href="http://www.cgtechniques.com/about.php#postcard">send me a
postcard</A>.. which is the way i would prefer :)</P>
<P>A big thanx goes to Stephane from <A
href="http://www.3dweave.com/">http://www.3dweave.com/</A> ..he offered me
to run the library on his account!</P>
<P>If you have problems to download the hdris then use "save target
as.."<BR><A
href="http://hdri.3dweave.com/library/urban1/billa_f25.zip"><IMG height=75
src="" width=150 border=0></A> <A
href="http://hdri.3dweave.com/library/urban1/ecke_turkenschanzpark.zip"><IMG
height=75 src="" width=150 border=0></A> <A
href="http://hdri.3dweave.com/library/urban1/fischerbrau.zip"><IMG
height=75 src="" width=150 border=0></A></P>
<P><A href="http://hdri.3dweave.com/library/urban1/kreisverkehr1.zip"><IMG
height=75 src="" width=150 border=0></A> <A
href="http://hdri.3dweave.com/library/urban1/kreuzung.zip"><IMG height=75
src="" width=150 border=0></A> <A
href="http://hdri.3dweave.com/library/urban1/kreuzung_f7.zip"><IMG
height=75 src="" width=150 border=0></A></P>
<P><A href="http://hdri.3dweave.com/library/urban1/kutschger.zip"><IMG
height=75 src="" width=150 border=0></A> <A
href="http://hdri.3dweave.com/library/urban1/kutschgerhaltestelle.zip"><IMG
height=75 src="" width=150 border=0></A> <A
href="http://hdri.3dweave.com/library/urban1/kutschgermarkt_f25.zip"><IMG
height=75 src="" width=150 border=0></A> </P>
<P><A
href="http://hdri.3dweave.com/library/urban1/kutschgermarkt_f7.zip"><IMG
height=75 src="" width=150 border=0></A> <A
href="http://hdri.3dweave.com/library/urban1/meidling1.zip"><IMG height=75
src="" width=150 border=0></A> <A
href="http://hdri.3dweave.com/library/urban1/meidling2.zip"><IMG height=75
src="" width=150 border=0></A> </P>
<P><A href="http://hdri.3dweave.com/library/urban1/tuwi.zip"><IMG
height=75 src="" width=150 border=0></A> </P>
<P> </P>
<P>
<FORM action=https://www.paypal.com/cgi-bin/webscr method=post><INPUT
type=hidden value=_xclick name=cmd> <INPUT type=hidden
value=christian@cgtechniques.com name=business> <INPUT type=hidden
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<P><EM><STRONG>Copyrightnote:</STRONG></EM> <BR>You can use the images for
your work ,but..<BR>By downloading the files ,,you agree to not distribute
any of the images or the complete collection on a commercial CD or in any
electronical way without the permission of the
Copyrightholder!<BR><BR>This note is only a way to protect my work against
abuse, nothing else..have fun! </P>
<P> </P></DIV></TD>
<TD class=side vAlign=top align=left width=150>
<P> </P>
<P><STRONG>go here for the hdrs:</STRONG><BR><A
href="http://hdri.3dweave.com/library/tour1.php"><IMG src="" width=150
border=0><BR><FONT size=1>17HDR's from Downtown Vienna</FONT></A> </P>
<P><A href="http://hdri.3dweave.com/library/tour2.php"><IMG src=""
width=150 border=0><BR><FONT size=1>6 HDR's from Downtown
Vienna</FONT></A></P>
<P><A href="http://hdri.3dweave.com/library/urban.php"><IMG src=""
width=150 border=0><BR><FONT size=1>13HDR's Urban life</FONT></A> </P>
<P><A href="http://hdri.3dweave.com/library/park1.php"><IMG src=""
width=150 border=0><BR><FONT size=1>16HDR's parks and
recreation</FONT></A></P><A
href="http://hdri.3dweave.com/library/freak.php"><IMG src="" width=150
border=0><BR><FONT size=1>11HDR's ..freak!</FONT></A>
<P><A href="http://hdri.3dweave.com/library/index.php"><STRONG>back
home</STRONG> </A></P></TD></TR>
<TR align=left>
<TD bgColor=#ffffff colSpan=2>
<P><A
href="http://www.cgtechniques.com/"><EM><STRONG> sitemap</STRONG></EM></A><STRONG><EM>
| <A href="http://www.cgtechniques.com/about.php">about</A> | <A
href="mailto:christian@cgtechniques.com">contact</A> | <A
href="http://www.cgtechniques.com/contribute.php">contribute</A> |
</EM></STRONG><BR><BR><A
href="http://www.cgtechniques.com/projects.php"><STRONG>//
Projects</STRONG>:</A> <A
href="http://www.cgtechniques.com/tutorials/getridof.php">Lightbox</A> /
<A href="http://hdri.cgtechniques.com/~sibenik2">Renderchallenge</A>
[<EM><A href="http://hdri.cgtechniques.com/~sibenik2">Sibenik</A> |<A
href="http://hdri.cgtechniques.com/~sponza">Sponza</A> | <A
href="http://hdri.cgtechniques.com/~postspar">Postsparkasse</A> | <A
href="http://hdri.cgtechniques.com/~postspar">Blochi's scene </A></EM>] /
<A href="http://hdri.cgtechniques.com/">virtual vienna</A><BR><A
href="http://www.cgtechniques.com/tutorials.php"><STRONG>//
Tutorials:</STRONG></A> <A
href="http://www.cgtechniques.com/tutorials/synthhdr.php">sythesising
Hdrimages</A> / <A
href="http://www.cgtechniques.com/tutorials/viz4-radiosity.php">Viz4
selfilluminated objects</A> /<A
href="http://www.cgtechniques.com/tutorials/lightscape.php">tweaking
Lightscape</A> / <A
href="http://www.cgtechniques.com/tutorials/makepano.php">creating
Panoramas</A> / <A
href="http://www.cgtechniques.com/tutorials/hdrenviroment.php">cr
没有合适的资源?快使用搜索试试~ 我知道了~
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2009-06-09
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HDRI是High Dynamic Range Image(高动态图像)的简称,常规图片和显示器提供的红、绿、蓝各通道的明暗层次为256级,人眼相对分辨能力也差不多。但现实光线的明暗强度是远超过此级数的,人眼是用瞳孔大小和细胞光线敏感度的调整来适应这么巨大的变化的。象我们看到的夕阳,跟蓝天晚霞的亮度比也是差约一个数量级的,但若拿普通的图片来控制相关的环境光源,光256级明暗就很不够用了。于是有了HDRI即高动态范围图片,它跟一般图片格式的差别在于:除通常的红、绿、蓝三通道各256级灰度外,还有个特别的亦可达256级的亮度通道L,它能表现的灰度范围就以如[红色=红色通道值X2的L次方]的方式扩充很大了。以此特别的扩充方式,这样的图片就很适合于作为球状环境光源的强度控制。大家可能都开始在设光源时用上倍乘因子,其实是一个道理。但具体如何利用这种图片格式做环境光计算,那就是可简可繁了。简的能算得飞快,但繁的要算得象分解成均匀密布球面上的大量的带阴影计算的点光源的效果,那即便有相应的优化,计算消耗时间还是挺高的,当然结果也更漂亮精巧了,特别是高光。
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1142185863786.rar (42个子文件)
01
innenhof gross
innenhof gross.hdr 220KB
kutschger
kutschger.hdr 453KB
hugo wolf2
hugo wolf2.hdr 433KB
mariaamgest
mariaamgest.hdr 226KB
park1_s
park1_s.hdr 250KB
FJ BH unten
FJ BH unten.hdr 228KB
turkenschanz
turkenschanz.hdr 437KB
ststefan_vorne1
ststefan_vorne1.hdr 204KB
merkur
merkur.hdr 223KB
kutschgermarkt_f25
kutschgermarkt_f25.hdr 322KB
nussdorferstrasse
nussdorferstrasse.hdr 391KB
pension_s
pension_s.hdr 231KB
vor vt1
vor vt1.hdr 233KB
ststefan_innen2
ststefan_innen2.hdr 243KB
billa_f25
billa_f25.hdr 428KB
kreuzung
kreuzung.hdr 435KB
hwpark
hwpark.hdr 234KB
cgtechniques news.htm 9KB
vor vt2
vor vt2.hdr 227KB
ststefan_hinten1
ststefan_hinten1.hdr 192KB
borse1
borse1.hdr 209KB
park2_s
park2_s.hdr 234KB
bokubarake
bokubarake.hdr 244KB
borse2
borse2.hdr 214KB
fischerbrau
fischerbrau.hdr 433KB
kreisverkehr1
kreisverkehr1.hdr 392KB
judenplatz
judenplatz.hdr 207KB
salettl
salettl.hdr 220KB
hugowolfpark2_s
hugowolfpark2_s.hdr 227KB
park_ganse
park_ganse.hdr 431KB
ststefan_innen1
ststefan_innen1.hdr 239KB
FJ BH oben
FJ BH oben.hdr 243KB
mozart
mozart.hdr 219KB
volksteather
volksteather.hdr 226KB
kitsch
kitsch.hdr 188KB
cgtechniques news_files
newcgt_blue_start.css 2KB
innenhof klein
innenhof klein.hdr 218KB
hugo1_f7
hugo1_f7.hdr 195KB
kino
kino.hdr 220KB
park_ida1
park_ida1.hdr 424KB
oskar
oskar.hdr 195KB
hugowolf_f25
hugowolf_f25.hdr 283KB
共 42 条
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- zy471546832013-08-26还不错哦,可以用、
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