In case you are wondering, there is no step #2 :-)
On Mon, Apr 29, 2013 at 3:29 PM, Vincent Fortin <[email protected]> wrote: > Adrian, the frozen pointcloud is the culprit. I had issues cloning and > rendering them. > > repro: > 1) create an empty pointcloud and load a cache on it > 3) freeze the pointcloud > 4) reload a cache on the pointcloud > 5) create a new empty pointcloud > 6) clone from the first pointcloud to the second (it doesn't matter on > which pointcloud the ICETree is) > 7) Points are cloned but color is gone. > > Avoid if possible! > > > On Mon, Apr 29, 2013 at 3:03 PM, Grahame Fuller < > [email protected]> wrote: > >> I agree it should have been documented, and it's partly my fault that it >> isn't. I simply wasn't aware of the issue (there was no item called >> "truncate array data for groups" in our database) and never stumbled across >> it until later. >> >> I don't work on the Softimage docs anymore, but you should log a bug for >> the current writers to add something to the docs. >> >> gray >> >> From: [email protected] [mailto: >> [email protected]] On Behalf Of Christian >> Freisleder >> Sent: Monday, April 29, 2013 02:45 PM >> To: [email protected] >> Subject: Re: cloning points with attributes >> >> Well, that might not be possible for all of us, as Autodesk might not >> need that much staff ;) >> AND there might be the minor problem that not all of us speak c++ . >> >> But seriously, I think this kind of info should be documented in the >> specific area of the help. >> >> Christian >> On 29.04.2013 20:34, Guillaume Laforge wrote: >> > Where do you pull this sort of info? >> >> Just ask Autodesk to work in the Softimage team, this way you will be >> able to learn ICE nodes from the source code ;). >> >> On Mon, Apr 29, 2013 at 2:15 PM, Christian Freisleder <[email protected] >> <mailto:[email protected]>> wrote: >> Thanks for the 2d array hint anyway, that explains some problems I had on >> a previous project. >> Where do you pull this sort of info? >> can't find it in the manual even specifically looking for it! >> >> christian >> >> On 29.04.2013 19:03, Guillaume Laforge wrote: >> That make sense as arrays data is not accessed from the Group Geometry >> node in this case. Thanks for the precision Grahame :). >> >> On Mon, Apr 29, 2013 at 1:00 PM, Grahame Fuller < >> [email protected]<mailto:[email protected]>> wrote: >> The issue with arrays occurs only when you try to get attributes directly >> off the group, e.g., emit particles at Group.PointPosition. >> >> In the case below, where you are reading attributes at locations on the >> group geometry, there is no problem. >> >> gray >> >> From: [email protected]<mailto: >> [email protected]> [mailto: >> [email protected]<mailto: >> [email protected]>] On Behalf Of adrian wyer >> Sent: Monday, April 29, 2013 12:16 PM >> To: [email protected]<mailto: >> [email protected]> >> Subject: RE: cloning points with attributes >> >> not a problem, i am merging 7 LIDAR scans, each of which has over 10 >> million points... a few thousand missing ones won't make a dent! >> >> and surprisingly, Soft is coping with 70million+ points quite well! >> >> a >> >> ________________________________ >> From: [email protected]<mailto: >> [email protected]><mailto: >> [email protected]<mailto: >> [email protected]>> [mailto: >> [email protected]<mailto: >> [email protected]>] On Behalf Of Guillaume Laforge >> Sent: 29 April 2013 17:11 >> To: [email protected]<mailto: >> [email protected]><mailto:[email protected] >> <mailto:[email protected]>> >> Subject: Re: cloning points with attributes >> >> If I remember correctly, the Group Geometry node will re-size any 2D >> arrays to the smallest on in the group. So the new point cloud could will >> miss some data (incomplete strand positions for example). I didn't double >> check it, but just in case :). >> >> Cheers, >> Guillaume >> On Mon, Apr 29, 2013 at 10:39 AM, Christian Freisleder <[email protected] >> <mailto:[email protected]><mailto:[email protected]<mailto:[email protected]>>> >> wrote: >> Hey Adrian, >> >> I would recommend to collect all your pointclouds with a group Geometry >> node and plug it into a "Generate Sample Set" with emission type set to >> "Point" and Rate type to "all Points" Rate should be set to 1. >> then you can get whatever data is in the pointclouds via a >> "self.emitlocation" and pull the data you need from this Location. >> you will get a red node if there are custom attributes that are not valid >> for all clouds. You can avoid that by setting fake values on the clouds >> that miss them. >> >> hope that works for you! >> >> Christian >> >> >> [cid:[email protected]] >> >> On 29.04.2013 15:49, Leonard Koch wrote: >> I had some quick fun with it. Hope it helps. >> On Mon, Apr 29, 2013 at 3:41 PM, adrian wyer < >> [email protected]<mailto:[email protected] >> ><mailto:[email protected]<mailto: >> [email protected]>>> wrote: >> ahhh that's enlightening >> >> the clouds i'm cloning from were created with a custom script that reads >> positional and colour data from lidar files, creates a cache, loads the >> cache on a new cloud and freezes it >> >> i'm guessing that colour isn't initialised on the original cloud >> >> will experiment >> >> a >> >> ________________________________ >> From: [email protected]<mailto: >> [email protected]><mailto: >> [email protected]<mailto: >> [email protected]>> [mailto: >> [email protected]<mailto: >> [email protected]><mailto: >> [email protected]<mailto: >> [email protected]>>] On Behalf Of Peter Agg >> Sent: 29 April 2013 14:34 >> To: [email protected]<mailto: >> [email protected]><mailto:[email protected] >> <mailto:[email protected]>> >> Subject: Re: cloning points with attributes >> >> Hum, it should just work out of the box: it's meant to be a direct clone, >> attributes and all. Just done a quick test and it seems to work fine for me >> with Color (though this is in 2012). >> On 29 April 2013 14:23, adrian wyer <[email protected] >> <mailto:[email protected]><mailto: >> [email protected]<mailto:[email protected]>>> >> wrote: >> so far so good, but i need to clone points from 7 clouds into one >> (wrangling LIDAR data) >> >> point order/ID will be bricked from cloud to cloud >> >> i just assumed (in fact i read in the manual) that attributes would be >> cloned?! >> >> "All attributes of the source point are available on the target point. >> For example, if you want to modulate an attribute on the target point based >> on the source point." >> >> a >> >> ________________________________ >> From: [email protected]<mailto: >> [email protected]><mailto: >> [email protected]<mailto: >> [email protected]>> [mailto: >> [email protected]<mailto: >> [email protected]><mailto: >> [email protected]<mailto: >> [email protected]>>] On Behalf Of Leonard Koch >> Sent: 29 April 2013 14:07 >> To: [email protected]<mailto: >> [email protected]><mailto:[email protected] >> <mailto:[email protected]>> >> Subject: Re: cloning points with attributes >> >> You can get the point position from the main cloud plug it into an add >> point node and then use a switch context node to get the color from the >> original cloud over into the context of the cloned cloud. Since they both >> have the exact same number of particles and since they are ordered the same >> way, it works very well. >> Attached an image with the nodes I have in an unsimulated ice-tree on the >> cloud you are cloning to.[Inline image 1] >> >> On Mon, Apr 29, 2013 at 2:58 PM, adrian wyer < >> [email protected]<mailto:[email protected] >> ><mailto:[email protected]<mailto: >> [email protected]>>> wrote: >> rtfm not really helping here >> >> i have a cloud of points, and an empty cloud.... >> >> using clone point (and a test point in volume) i can copy points from one >> cloud to another, but the attributes don't clone... i need the colour to be >> the same >> any tips? >> >> a >> >> Adrian Wyer >> Fluid Pictures >> 75-77 Margaret St. >> London >> W1W 8SY >> ++44(0) 207 580 0829 >> <tel:%2B%2B44%280%29%20207%20580%200829><tel:%2B%2B44%280%29%20207%20580%200829> >> >> [email protected]<mailto:[email protected] >> ><mailto:[email protected]<mailto: >> [email protected]>> >> www.fluid-pictures.com<http://www.fluid-pictures.com>< >> http://www.fluid-pictures.com> >> >> Fluid Pictures Limited is registered in England and Wales. >> Company number:5657815 >> VAT number: 872 6893 71 >> >> >> ________________________________ >> No virus found in this message. >> Checked by AVG - www.avg.com<http://www.avg.com><http://www.avg.com> >> Version: 2012.0.2240 / Virus Database: 2641/5745 - Release Date: 04/14/13 >> Internal Virus Database is out of date. >> >> ________________________________ >> No virus found in this message. >> Checked by AVG - www.avg.com<http://www.avg.com><http://www.avg.com> >> Version: 2012.0.2240 / Virus Database: 2641/5745 - Release Date: 04/14/13 >> Internal Virus Database is out of date. >> >> >> >> ________________________________ >> No virus found in this message. >> Checked by AVG - www.avg.com<http://www.avg.com><http://www.avg.com> >> Version: 2012.0.2240 / Virus Database: 2641/5745 - Release Date: 04/14/13 >> Internal Virus Database is out of date. >> >> >> >> >> >
