Hi, Would you mind to share the results after setting the equivalent sphere quality?
Regards, Scott ----- Original Message ----- From: "Ranjan.George" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, December 31, 2002 4:59 AM Subject: Re: [JAVA3D] OpenGL vs Java3D Immediate Mode > Sorry about that question, the problem was with the quality of the sphere's. > The OpenGL sphere was of poorer quality than the Java3D sphere! > > Sorry again! > > > Regards, > > Ranjan George > ingenovis, A Division of iLabs Ltd. > Phone : 91-040-23352900/2 Ext.2006/2016 > Fax : 91-040-23351522 > Email : [EMAIL PROTECTED] > http://www.ingenovis.com > > -----Original Message----- > From: Ranjan.George [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, December 31, 2002 3:12 PM > To: [EMAIL PROTECTED] > Subject: [JAVA3D] OpenGL vs Java3D Immediate Mode > > > Hi All, > > I have been evaluating using Java3D Immediate Mode vs Java-OpenGL Binding > (GL4Java). > > I draw a 90000 sphere's randomly on the canvas using Java3D Immediate Mode > and using OpenGL. There is a drastic difference in the performance. Can > anyone tell me why is it so. The figures obtained are as follows: > > OpenGL: 12s > Java3D: 38.91s > > Note that to draw a sphere I used the utils sphere in Java3D and the GLU > sphere in OpenGL. > > Following is the code used for Java3D: > > m_gc3d.clear(); > Vector3d vec = new Vector3d(1d, 1d, 1d); > Transform3D trans = new Transform3D(); > for (int i = 0; i < 90000; i++) > { > vec.x = vec.x/Math.abs(vec.x)*Math.random()*-1d; > vec.y = vec.y/Math.abs(vec.y)*Math.random()*-1d; > vec.z = vec.z/Math.abs(vec.z)*Math.random()*-1d; > > trans.setTranslation(vec); > m_gc3d.setModelTransform(trans); > m_gc3d.draw(m_geom); > } > swap(); > > Following is the code for OpenGL: > > double fact = -1d; > for (int i = 0; i < Integer.parseInt(Test1.this.text.getText())*3; i++) > { > double x = Math.random()*fact/.001; > double y = Math.random()*fact/.001; > double z = Math.random()*fact/.001; > fact = fact*(-1d); > gl.glPushMatrix(); > gl.glTranslated(x, y, 0d); > gl.glCallList(1); > gl.glPopMatrix(); > } > Regards, > > Ranjan George > ingenovis, A Division of iLabs Ltd. > Phone : 91-040-23352900/2 Ext.2006/2016 > Fax : 91-040-23351522 > Email : [EMAIL PROTECTED] > http://www.ingenovis.com > > -----Original Message----- > From: Justin Couch [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, December 31, 2002 12:02 PM > To: [EMAIL PROTECTED] > Subject: Re: [JAVA3D] Java 3D FAQ Weekly Posting (30 Dec 2002) > > > Simeon H.K. Fitch wrote: > > > not the group's. My original itch was that I'm very interested when a > > new tip or other info tidbit is available, and would like to know when > > that happens. Since you pointed out the CVS access to the FAQ I'll just > > do it myself. > > Ok, no probs. That was part of of the idea of trying to keep a > consistent header. If people get pissed off with seeing it once a week, > they can just killfile it pretty easily. In fact, Sun's listproc does > that too if you post the same subject twice in a given time, so I had to > do some trickery to allow the mail to get through :) > > > > That's a fair judgment call on your part. I'm in the camp that > > interprets the "frequent" part of FAQ very liberally, even to a > > speculative extreme: > > I probably could do a little more that way, but I've never really gotten > around to it. I think a lot of people on this list just sort of assume > things like "it'll be done when it's given to us". One of these is > Pixel/Vertex shaders. There should probably be a speculative entry in > the FAQ about that (no J3D doesn't support them) but the question rarely > gets asked. > > Just thinking about it, there's another reason too that sets this group > apart from your typical usenet-style group/listproc. There aren't that > many people trying to really stretch J3D in the way that you get for > OpenGL/D3D. I reckon I could count the "high end" users on two hands. > These folk are already comfortable with the capabilities and know where > to go to find answers. There are also two BoFs held each year and the > j3D team put out a set of outlines of Future Stuff there, which I > transcribe and then post here and also on the website. That seems to > cover most of those speculative questions too. So, going back to Pixel > Shaders, at a BoF a while ago, DougT put out a slide of Things coming in > 1.4 which answered that question pretty much before anyone that cared > about it asked it. > > > RTFF, etc.). I'm just publicly wondering if there is something with > > either the format or the process by which the FAQ is contributed to and > > communicated that could be improved to increase the inherent value of > > the FAQ. > > I'm sure there is. If people asked more questions we could put more > stuff in :) I'm always open to suggestions and I usually try to jump to > answer a question with the FAQ entry before anyone else does if I can. > However, I do become rather unresponsive at times simply because of work > load. So you'll see my participation here yo-yos pretty heavily, and the > same thing with answering the aliases on the j3d.org site. (I only got > around to putting in all the site link requests and stuff for the last 2 > months a couple of days ago and still haven't actually responded to any > of the emails yet). > > > good tips/tricks could be better archived (which IMO is a valid use of > > the FAQ). > > Well, depending on the length of the tip, I normally try to make more of > a tutorial out of it. That's what the Quick Fix section of j3d.org is > about. It's just stuff that looks useful being slurped off the list here > and formatted as a web page and off we go. > > > I'd also point out that some people may spend more time answering new > > questions if the response had a good chance of ending up in the FAQ > > Actually, I think a lot don't answer because they simply don't have a > clue about it. Again, comes down to volume of users. There's been a > constant undercurrent of people doing stereo work with J3D, for example, > and slow stream of questions about it. Unfortunately it has never lead > to a conclusive answer about the various paths to take, so it's just > ended up as one of those things that never gets a good FAQ entry even > though it probably should. Similar thing with the questions you see from > Davel Yazel at times. He's doing stuff at the bleeding edge of J3D which > nobody else has really tried before. He generally doesn't get answers > because nobody else (even the J3D team!) has any clue about what he's up > to. > > > (JGO? Again, I may be from Pluto...) > > Ah, my bad - JavaGaming.org > > > <snip> > > I checked it out and noticed the mix of style and content. The > > <question>/<answer> delineation is the most important here... > > Yeah, that's just my hack to make life easier for the generation. > Content is using a subset of XHTML, wrapping up in the large structural > style elements. Since I know the only time the content stuff is really > used is to generate the HTML pages, I felt that it was a sufficiently > non-dodgy hack just to dump the HTML markup directly into the document > itself. Saves me having to come up with a separate tagset to do it all > myself. Again, one of those things where I should probably have used > mixed-namespace content rather than the DTD/Entity hacking that I've > done. If you come up with something a little less hacked up, I'd love to > hear about it! > > > area). I like having a TOC of all the questions up front, and also being > > able to easily search and browse all content. > > That's true. It's also one of those long-standing requests that people > have had to put a search engine front-end onto the FAQ. Because of the > way I maintain it as the flat-file XML, it's never really leant itself > to the idea (although the XML-databases that are starting to become more > prevalent might work for that) and so I keep putting it off.... > > > it comes to including something in the FAQ. Would it be helpful if more > > people voiced their opinion when they see a question answered and think > > the exchange deserves to be included? > > Let the rabble begin! :) > > -- > Justin Couch http://www.vlc.com.au/~justin/ > Java Architect & Bit Twiddler http://www.yumetech.com/ > Author, Java 3D FAQ Maintainer http://www.j3d.org/ > ------------------------------------------------------------------- > "Humanism is dead. Animals think, feel; so do machines now. > Neither man nor woman is the measure of all things. Every organism > processes data according to its domain, its environment; you, with > all your brains, would be useless in a mouse's universe..." > - Greg Bear, Slant > ------------------------------------------------------------------- > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff JAVA3D-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff JAVA3D-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff JAVA3D-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
