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Activity Forums Boris FX Particle Illusion Creating particles from images

  • Creating particles from images

    Posted by Hunter Hempen on April 24, 2010 at 5:16 pm

    I’ve searched this far and wide on the Internet and can’t seem to get an exact method on how to do this. My team and I are trying to find a way to import a masked image of a flower/blossom to PI, and create particles OF that image; so basically a falling stream of blossoms that emit from one point which the cursor drags around. Sounds like a simple idea, but I am expecting a complicated way of accomplishing this, if it can even be done in PI. Let me know if you guys know anything.

    Thanks!

    Theo Van laar replied 16 years ago 3 Members · 4 Replies
  • 4 Replies
  • Robin Conover

    April 24, 2010 at 7:24 pm

    I am new with particle illusion, but I used the method found in the Star trek transporter tutorial. In that tutorial, you manipulate an image sequence to replace particles of another emitter. Worth a look if you haven’t done so already. This method is found in Part 1 of the tutorial: https://library.creativecow.net/articles/lorence_alan/pi_star_trek_1.php

    Good luck!

  • Theo Van laar

    April 24, 2010 at 10:07 pm

    To create particles from a masked image is very easy. There are several ways to do this.

    Add the emitter you want to use as a starting point, to the stage window.

    Right click on the emitter and select PROPERTIES
    Open the PARTICLES tab
    Open the CHANGE SHAPE tab
    Press the ADD NEW SHAPE TO LIBRARY button
    Browse to your file
    choose the settings you need (they speak for them selves, but you can always ask about them) and press OK
    press the MAKE ACTIVE button

    Theo

  • Hunter Hempen

    April 25, 2010 at 11:48 pm

    Thanks! Very easy indeed. I only have one more question. The flower I’m trying to port needs to be masked in PI somehow, because if its just a flower on a black BG imported to spawn as a particle, then in after effects, won’t it be a all square shaped when it spawns over my footage instead of cutout-flower images??

  • Theo Van laar

    April 26, 2010 at 9:42 pm

    When you add a new particle, you can choose whether you want to use the existing image transparancy or whether you would like to use a certain color (e.g. your black background) as transparancy.

    Theo

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