Something to ponder :)

[Dz]

Actually I found it on Beyond3d forums
http://www.beyond3d.com/forum/noncgi...ML/002253.html

[GT98]

Did some poking around on the net about "Displacement Mapping", from what I can tell its just in the same vein as Bump Mapping. Nothing earthshattering or bandwith saving here.

heres a link:
http://iclub.nsu.ru/~lord/tutor/lw/A...s/5/index.html

Scott


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Abit BH6 rev 1.0 Celeron 2-566@877mhz,256mb RAM,ATI Radeon AIW,SB Live! with Klipsch Promedia v2-400, Optiquest V95 19in montor, Asus 40x CD-ROM, Aopen 5x DVD-ROM,HP9110i 8x4x32 CD-RW,SupraMax 56k modem,WinME on Western Digital 30GB drive

[frankymail]

Hey, Matrox' Booth at GDC is smaller than ATI's one and that of many software developpers... it is possible that they annouce the hum...G...hum...8...hum...0...hum...0...hum at GDC yet I seriously doubt it... I'm with ANT post in an other thread on this one: Matrox upcoming product will be a souped-up G400, with a better chip/card latter. I really wish the G800 would be what we all expect/want it to be, yet we should not set our expectations THAT high for M's upcoming product... Also, I really am a [H]ardcore MURCer (yes, it's possible to be both), but I worry a lot about Matrox abilities to get the new card on the shelves fast; the only thing that come to my mind are Mill/Myst G200...delay...shipping; Mill G400...delay...small shipping...shipping; G450...delay...Mill G450...delay...shipping; I really hope that Matrox put an end to the "Shipping Curse"...

My 1/100 of a Polar Bear...



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What was necessary was done yesterday;
We're currently working on the impossible;
For miracles, we ask for a 24 hours notice ...

[Maggi]

<font face="Verdana, Arial, Helvetica" size="2">Originally posted by GT98:
Did some poking around on the net about "Displacement Mapping", from what I can tell its just in the same vein as Bump Mapping. Nothing earthshattering or bandwith saving here.

heres a link:
http://iclub.nsu.ru/~lord/tutor/lw/A...s/5/index.html

Scott


</font>

Hi Scott,

your post is not correct, since displacement mapping actually deforms a given object, while bump mapping only generates a visuall effect that looks as if the object is deformed.

[GT98]

Maggi,

I guess thats what I get for posting something being half asleep

Scott


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Abit BH6 rev 1.0 Celeron 2-566@877mhz,256mb RAM,ATI Radeon AIW,SB Live! with Klipsch Promedia v2-400, Optiquest V95 19in montor, Asus 40x CD-ROM, Aopen 5x DVD-ROM,HP9110i 8x4x32 CD-RW,SupraMax 56k modem,WinME on Western Digital 30GB drive

[Maggi]

no prob ...

[NetSnake]

<font face="Verdana, Arial, Helvetica" size="2">Originally posted by GT98:
Did some poking around on the net about "Displacement Mapping", from what I can tell its just in the same vein as Bump Mapping. Nothing earthshattering or bandwith saving here.

heres a link:
http://iclub.nsu.ru/~lord/tutor/lw/A...s/5/index.html

Scott


</font>

If the next gen matrox card can do displacement mapping that would be really great. I've been doing 3D modeling and animation for a few years now and I tell u the difference between displacement mapping and the best possible bumb mapping is HUGE but for card to do that properly it is needed an EXTREMLY high polygon count, it should do a lot more than 30mil polys/sec if that feature is to implemented in real life applications/games and not just be a simple reference of the chip's capabilities.

[DuRaNgO]

[Ali]

How about 180Million triangles per second?

[NetSnake]

Here is an example of displacement mapping compared to bump mapping and the original object. This is for illustrative puposes only, it shows how DM deforms the object instead of just creating a visual effect that makes you think the object is defomed.
Also, to emphasize on the need for very high polygon count if DM is to be used in games without making them run in "slideshow mode"





[This message has been edited by NetSnake (edited 08 March 2001).]

[This message has been edited by NetSnake (edited 08 March 2001).]

[MK]

Netsnake - cool visualization, thanks for that! Now even a "no techie" like me can imagine the impact Displacement Mapping will have.

MK

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Celeron II 860 MHz + Golden Orb
256 MB PC133 Crucial (2-2-2)
G400 16MB @ PD 5.52 + TGL
20 GB IBM on HPT U-ATA100 RAID
Iiyama Vision Master Pro 400

[SteveC]

bumb mapping

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Cheers,
Steve

"Life is what we make of it, yet most of us just fake"

[Topha]

is there something in between the two different mapping methods?? bump mapping for the smaller "bumps", displacement for the bigger ones???

[box]

Yep!

It's called modelling...

[NetSnake]

<font face="Verdana, Arial, Helvetica" size="2">Originally posted by SteveC:
bumb mapping

</font>

HAAHAHA I just noticed that.... what can I say ..I'm the king of mistypes