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I have about 350 megs of RAM. How many triangle faces will I likely be able
to use in a scene?
-Shay
Megabyte byte byte megabyte one more.
One more megabyte memory.
Megabyte byte byte megabyte one more.
One more mega megabyte for me.
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In article <3d91e9b3@news.povray.org>, "Shay" <sah### [at] simcoparts com>
wrote:
> I have about 350 megs of RAM. How many triangle faces will I likely be able
> to use in a scene?
As many as you can.
It depends on the meshes. Using two copies of a mesh, you can double it
with only a very small increase in memory use. Also, if multiple
triangles share a vertex, only one vertex is stored, so meshes with
different geometries but the same number of triangles can take up
different amounts of space. And then there is overhead, OS, other
programs, virtual memory, etc...
--
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/
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Christopher James Huff <chr### [at] maccom> wrote in message
news:chr### [at] netplexaussieorg...
>
> As many as you can.
>
Could you even give a ballpark guess? I'm at the point in a scene where I
have to make some decisions based on what my computer's capabilities are. Do
you think I could handle 1 million vertices? Maybe if I purchased a little
more RAM?
-Shay
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Shay <sah### [at] simcopartscom> wrote:
> I have about 350 megs of RAM. How many triangle faces will I likely be able
> to use in a scene?
It depends a lot in the mesh.
If all the triangles are separate (ie. they don't share vertex points with
any other triangle), then they will take more memory than if each triangle
shares each of its vertices with lots of other triangles.
--
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}// - Warp -
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Warp <war### [at] tagpovrayorg> wrote in message news:3d92096a@news.povray.org...
>
> It depends a lot in the mesh.
> If all the triangles are separate (ie. they don't share vertex points
with
> any other triangle), then they will take more memory than if each triangle
> shares each of its vertices with lots of other triangles.
>
I guess I should have asked how many vertices I might be able to use. Most
of my triangles share each vertex with 5 other triangles.
-Shay
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A mesh with 500 000 vertices and 1 000 000 triangles uses 200 MB of RAM.
_____________
Kari Kivisalo
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Kari Kivisalo <pro### [at] luxlabcom> wrote in message
news:3D921470.F20996FD@luxlab.com...
>
> A mesh with 500 000 vertices and 1 000 000 triangles uses 200 MB of RAM.
>
OUCH!! Time to do some shopping and some re-thinking for my project. Thank
you for the data.
-Shay
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"Shay" <sah### [at] simcopartscom> wrote in news:3d9219ce@news.povray.org
>> A mesh with 500 000 vertices and 1 000 000 triangles uses 200 MB of
>> RAM.
> OUCH!! Time to do some shopping and some re-thinking for my project.
> Thank you for the data.
BUT the power of POV-RAY is to use shapes to describe many 'triangles'
i.e. nice sphere can use 256x256 = 65536 triangles in triangles-based-
renderer
whiel in POV it is 1 shape < 1 kB
--
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M
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Wasn't it Shay who wrote:
>I have about 350 megs of RAM. How many triangle faces will I likely be able
>to use in a scene?
I've got 376Mb of RAM, and the highest number of faces that I've managed
to use in a scene at once without the memory starting to swap is
481,868,158.
Some of the mesh2 objects that appear in the scene occur more than once.
One of them occurs 14,030 times. The actual number of distinct triangle
faces in the source code is only 73,376.
The resulting image is at
<http://www.econym.demon.co.uk/pictures/thecorporation.jpg>
Peak memory used: 211,619,975 bytes
--
Mike Williams
Gentleman of Leisure
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> I've got 376Mb of RAM, and the highest number of faces that I've managed
> to use in a scene at once without the memory starting to swap is
> 481,868,158.
>
yeah, but how many FACES? ;)
-tgq
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