CompuServe Messages

#LenzFX 2.0 problems

    25-Oct-95 01:56:11
Fm: BRIAN DEMETZ 103012,1642
To: Francisco Cubas 72324,1457
In response to your list of concerns with LenzFX 2.0, I have one correction to make. In your statement (numbered "4") about using Flare w/field rendering, [I was also anxiously awaiting field capabilities], the Flare error you are seeing is not reversed fields, but a miscalculation of the position of the intermediate field. I did extensive testing with a simple scene such as what you also did. I tried reversing the order of the fields in 3DS and in PAR and it doesn't make a difference. Flare is not correctly interpolating the intermediate position of the "half frame". To demonstrate, create a simple 3DS Keyframe file with a pole and an Omni lite on top of it. Make it a 2 frame sequence–frame 0 and frame 1. At frame 0, position your Camera so that the pole and light are at the left side of the screen. At frame 1, move the target of the Camera so that the pole is now all the way to the right side of the screen. Now apply a Flare to the omni light and render your (super-long) 2 frame animation with fields on. At frame 0, you will be able to see the pole flickering between the left and middle of your screen–depicting the correct "half frame" position in the middle. But, what's this?–the Flare on your omni light will be flickering between the left and only 1/4 of the way to the right, lagging behind the pole. Voila, the secret of the Flare-Field problem! But unfortunately not the answer. I hope they fix this one in Version 2.01. I was expecting correctly working fields in 2.00. Cheers, Brian DeMetz An"AMAZE"tion Co. p.s.-See super-sophisticated diagram depicting frame #0 outcome, below: * * | | | | | | | | | |