I am developing a 3D program about robot
control.But the slow speed and the situation that program's speed have no
fixed rules bothered me. My program runs on RTLinux platform, JDK version is
1.4.2. I want to know how to promote the 3D program's speed and make the
program have the
Hello Sikander,
To get the right reference point for the
rotation you can use a transformation. i suggest to go through the
geometry and add an offset value to every point. this is the fastest solution
(meant by runtime). well, a hour hand may not be time
critical..
in general, for the rot
You're right, my code had effectively not set the texture
coordinates. I was using modified versions of the helper classes and
hadn't realized that I needed to add something to the flags to get the
texture coordinates generated. It all works now.Thanks,
-- Russell
Florin Herinean wrot
Hi all
I have a vertical cylinder at 10 units away from origin(0,0,0).
I want to rotate it with respect to the Z axis and pivoted at the top of the cylinder.
basically i am making a clock and the cylinder is the hour hand.
kindly tell me how to do itif i rotate it,then it rotates with respe
Your example is a wonderfull example.
Your master java3d .
Thanks : It helps to undestand geometry
and other things.
Thierry, Paris
---Original Message---
From: Discussion list for Java 3D API
Date: Friday, April 02, 2004 10:53:05
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] how
HI,
i wondering if the size of the bound cost in J3D.
For example:
If a i set the bound of my scene to 100 does it cost more in CPU
for vertor recalculation that if
i set the bound to 50.
Thanks
===
To
Sorry i forget to ask you.
If i limit the swat size does the machine will use more RAM memorie ?
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Thanks a lot. I'll so i will see. By the way do you know werre can i find
the documentation for those parameters.
Good
- Original Message -
From: "Nikolai V. Chr." <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, April 02, 2004 2:42 PM
Subject: Re: [JAVA3D] parameters for optimiza
hterrolle wrote:
Hi,
can i disable the virtuel memorie of java process ?
There are alot of parameters to adjust how GC and memory allocation works, but I dont recommend using them unless you really know what you are doing:
-XX:+UseParNewGC
-XX:+UseParallelGC
-Xincgc
-XX:+UseConMarkSweepGC
-XX:n
Hi,
can i disable the virtuel memorie of java process ?
thanks
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Hi,
Sorry i got already 512 M DDR memory and 533 Mgh bus speed.
I do the system.gc() sometimes. Maybe i should force it. Thanks
Got what is strane and that when i remove Branch of object and than add some
other the memories used increase. Do you know why ?
Thanks
- Original Message -
F
hterrolle wrote:
hi,
I find out that more i load object more it is slow. I like too know
parameters that could speed out the java execution. I think that the
probleme is comming from memories realocation and swap of course.
I will bet that most of that is swap.
To solve your problem do one singl
hi,
I find out that more i load object more it is slow. I like too know
parameters that could speed out the java execution. I think that the
probleme is comming from memories realocation and swap of course.
My java executable use about 350 M of memories and i got a CENTRINO machine
which is quite
:) I coudn't stop myself, so here is a slightly modified scene which has a
waving water flowing through the pipe.
Of course, the model is very simplistic, no bouncing on the walls (infinite
pipe model, laminar flow), water waves follows a strictly sinusoidal curve,
no textures (pure geometry).
St
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