Comments on: Sphere Texturemapping via DisplacementMapFilter

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By: Jimmy Gramblin

Jimmy Gramblin — Mon, 03 Dec 2007 16:54:42 +0000

can anyone help me build this?

http://www.etsy.com/geolocator.php#

By: Ash Spain

Ash Spain — Wed, 15 Feb 2006 12:23:01 +0000

You guys are really really amazing at actionscript. I had no idea that any of this was possible with flash. It makes me realise that I should start having some fun with flash again. If only I had the time …..

Keep up the good work people!

By: Prospects

Prospects — Thu, 12 Jan 2006 01:50:54 +0000

[...] nt->panorama_0; for a good time click on the other demos too). More detail on this in his blog entry. Some other implementations of cylindrical panos [...]

By: Ola Rosling

Ola Rosling — Wed, 28 Dec 2005 20:40:39 +0000

Jaris

You could always try nesting the thing inside a movieClip and zoom the traditional way, by scaling the clip…;)

Ola

By: Jaris

Jaris — Sat, 26 Nov 2005 20:01:40 +0000

Hi Pete Mc. I have been looking at your excellent example of displacement but I’m trying to zoom in on the panoramic but I find one error when I move the panoramic up or down.

I have a good panoramic in flash but it is flat without displacemap.

I would like you and other member of this blog to see it and tell me if I could make a filter displacemap in this flash called 360.zip or would it be really complicated.

Thanks you for your help. These are the files.

http://www.vidata.net/displace43.zip
http://www.vidata.net/360.zip

By: mrEdge

mrEdge — Wed, 23 Nov 2005 02:42:52 +0000

I’m yet to have a squizz at the source, but thank you for supplying a non-scripter with some hope! Cheers, mrEdge

By: Jaris

Jaris — Tue, 22 Nov 2005 10:17:04 +0000

Thank you very much Pete Mc. You are the best.

By: Pete Mc

Pete Mc — Mon, 21 Nov 2005 23:08:30 +0000

Here it is…
http://www.hypergis.com/demos/pano/displace4.zip

It was created in Flash MX 2004, but should work fine from Flash 8. Have Fun :O)

By: Jaris

Jaris — Mon, 21 Nov 2005 20:54:19 +0000

Hi Peat Mc your example is really nice. I like much. Could you pass us the flash code?. Is a realy nice example.

By: Claudia

Claudia — Mon, 21 Nov 2005 12:51:35 +0000

André,

Thanks a lot for your help, quite simlpe to fix I might say (even though I had issues trying to figure out what could be causing this problem) :)

Claudia

By: André Michelle

André Michelle — Mon, 21 Nov 2005 10:08:53 +0000

@claudia:

please use…

while( dx < 0 ) dx += image.width;
while( dx > image.width ) dx -= image.width;

…to clamp the offset value from the matrix, which is used for beginBitmapFill. It seems, that pattern fill fails, when passing values over 16bit Integers except sign-bit(2^15: +/-32768).

By: Claudia

Claudia — Sun, 20 Nov 2005 22:31:39 +0000

André Michele,

Apparently there is a bug in this panorama app…

If you let it move for some time to either left or right, it will stop moving.

Could this be because of the 2880 pixel limit on the DisplacementMapFilter?

How could I fix this, so that it doesn’t stop?

Thanks,
Claudia

By: mrEdge

mrEdge — Thu, 03 Nov 2005 22:29:31 +0000

Hey guys. These examples are very exciting. I'd love to have a play with some 360 VR shots I have taken. But I have no idea about Flash Scripting. http://www.hypergis.com/demos/pano/ is especially sexy. And I think I see where steve's colour displacement would could help... but does anyone have an FLA for me to use?

By: steve

steve — Wed, 19 Oct 2005 17:25:37 +0000

if anyone wants the displacement map needed to do tihs, here you go. it’s 800×600, so it should be adequate for most needs. (note: channels are flipped, so use green for x, red for y)

http://www.keepadding.com/steve/round.jpg

By: Pete Mc

Pete Mc — Fri, 30 Sep 2005 13:17:42 +0000

I made one quadrant with actionscript and the bitmapData object, then took it into photoshop and flipped it around to make the other quadrants. Could have done the whole thing in Actionscript, but I was too lazy.

As I say, these two grradients should be replaced by a single gradient, using 2 different color channels. I’ll get round to it one day :O)

By: geilner

geilner — Thu, 29 Sep 2005 16:28:02 +0000

Hi Pete !

I’ve just seen your demo at http://www.hypergis.com/demos/pano/displace4.html.
It’s very great.
How have you created your 2 displacement maps ?

By: Jon B

Jon B — Thu, 22 Sep 2005 20:10:48 +0000

My maths isn’t so hot, but I have been reading up on spirals lately (don’t understand much of it tho) but wouldn’t it be possible to use the mercator projection equation here http://mathworld.wolfram.com/MercatorProjection.html to translate image pixels to spheres?

Think there is a huge mistake in my knowledge tho.

By: Pete Mc

Pete Mc — Tue, 20 Sep 2005 21:24:13 +0000

I’d say it was possible, but not with this technique, and I doubt performance would be good enough for commercial use, but I hope someone can prove me wrong.
I updated my panorama page to show how it’s done and added a little animation.
http://www.hypergis.com/demos/pano/displace4.html

I’ve since found out, by reading the new docs that a single map could be used, different colour channels. I see Andre had that sussed from the start.

By: Thomas

Thomas — Tue, 20 Sep 2005 20:14:32 +0000

These examples are very interesting. We use the script from http://www.flashvr.de do display panorama images. It would be great to map the panorama as a sphere or a cube like in Quicktime to view also 90° up and down. Is this possible with the new release of flash?