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sleg

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About sleg

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  1. Adding Age Attribute to points

    Hey, did you get this working? I have a changing point count of points 'appearing', of course my point number is changing all over the place at each frame, I'd like to add a 'by id' age attribute but this technique is not working. I guess because your points were being created incrementally in point number order it worked bu for me point numbers are changing on each frame. There has to be a simple way to add an age attributes by id for points that appear.
  2. Simulating a falling tree

    Hi! I know this is an old thead but I have a question related to this. I'm looking at the wire defromer but it does not seem to want to take a point attribute into the radius of the influence enveloppes. I have an attribute 'thickness'->$THICKNESS on my wire and I want to use this to adjust each influence envellope so that the thin branches have small envelopes and the larger parts have larger envelopes? Is it possible to do this with the wire deformer?
  3. Sure I've baked it all into a null because the stuff above is full of dependencies. So all it is is this node with the attributes 'id' and 'parentId'. EDIT: I basically want to start by being able to connect all points with, for example, a parentId of 3 to the point that has a geomGroupId of 3. tree.hipnc
  4. Hi guys. I have a set of 'points'. Each point has a unique id. Now, I'm getting these point out of another package which also gives me a parent ID attribute to define a sort of 'hierarchy'. So I would have something like point 1 has an id of 1 and a parent id of -1 (none) point 2 has an id of 2 and a parent id of 1 (1 is his parent) point 3 has an id of 3 and a parent id of 1 also point 4 has an id of 4 and a parent id of 2 (his a child of point 2) ect... So basically what I want to do is trace an edge between every parent and its children... I've tried putting some variables in the 'add SOP' but it seems that the only variable that seems to give me anything is $N. But that's no use to me. Any ideas?
  5. HOT for h12

    Ah right. Lol. just my luck that it was the first one I tried. Thanks a lot for taking the time to update it. Hey Christian. Sorry to be a pain. I compiled your source just fine, but now I'm getting some crashes when trying to use it. If I create a grid > create a HOcean > and view it, I get a crash with the following output: /opt/hfs12.0.543.9/bin/hmaster-bin: symbol lookup error: /home/user/houdini12.0/hotbin_linux64_H12.0.543.9_1.0rc9/dso/SOP_Ocean.so: undefined symbol: _ZN3drw5OceanC1Eiiffffffffffi Also, it seems the name of the ocean SOP has changed from ocean to HOcean. Is that right? That would require past otls to be all updated with the new node name. Not too big of a worry, but I'm curious whether there is a reason for the change.
  6. Maybe I should be a truck driver. Hey Mav you know the name of that truck driving school. Truck Master I think it is. I might need that

  7. HOT for h12

    Hi Christian. So It's not going so good for me. Admitedly I havn't had time to do much more than cd into your source and hcustom the sop_cleave.c This is what I get when I do so. hcustom 'SOP_Cleave.C' Making SOP_Cleave.o and /home/user/houdini12.0/dso/SOP_Cleave.so from SOP_Cleave.C SOP_Cleave.C: In member function ‘virtual OP_ERROR SOP_Cleave::cookMySop(OP_Context&)’: SOP_Cleave.C:176:11: error: ‘GB_PrimitiveGroup’ does not name a type /opt/hfs12.0.543.9/toolkit/include/OP/OP_Context.h:91:26: error: ‘fpreal OP_Context::myTime’ is private SOP_Cleave.C:187:25: error: within this context SOP_Cleave.C:196:28: error: ‘polyGroup’ was not declared in this scope SOP_Cleave.C:197:28: error: ‘polyGroup’ was not declared in this scope SOP_Cleave.C:211:5: error: ‘GB_PrimitiveGroup’ was not declared in this scope SOP_Cleave.C:211:24: error: ‘cleave_group’ was not declared in this scope SOP_Cleave.C:212:24: error: ‘not_cleave_group’ was not declared in this scope SOP_Cleave.C:214:9: error: ‘polyGroup’ was not declared in this scope SOP_Cleave.C:216:36: error: ‘FOR_ALL_PRIMITIVES’ was not declared in this scope SOP_Cleave.C:217:9: error: expected ‘;’ before ‘{’ token SOP_Cleave.C:227:36: error: ‘FOR_ALL_PRIMITIVES’ was not declared in this scope SOP_Cleave.C:228:9: error: expected ‘;’ before ‘{’ token SOP_Cleave.C:249:47: error: ‘GB_ATTRIB_FLOAT’ was not declared in this scope SOP_Cleave.C:270:30: error: ‘class GEO_Point’ has no member named ‘castAttribData’ SOP_Cleave.C:270:45: error: expected primary-expression before ‘float’ SOP_Cleave.C:270:45: error: expected ‘;’ before ‘float’ SOP_Cleave.C:334:36: error: ‘FOR_ALL_PRIMITIVES’ was not declared in this scope SOP_Cleave.C:335:9: error: expected ‘;’ before ‘{’ token SOP_Cleave.C:486:1: error: expected ‘}’ at end of input SOP_Cleave.C:179:26: warning: unused variable ‘gqd’ [-Wunused-variable] SOP_Cleave.C:180:30: warning: unused variable ‘k’ [-Wunused-variable] SOP_Cleave.C:248:9: warning: unused variable ‘cleave_rest_pos’ [-Wunused-variable] SOP_Cleave.C:279:11: warning: unused variable ‘dist’ [-Wunused-variable] SOP_Cleave.C:280:11: warning: unused variable ‘dscale’ [-Wunused-variable] SOP_Cleave.C:281:11: warning: unused variable ‘sthresh’ [-Wunused-variable] SOP_Cleave.C:282:11: warning: unused variable ‘deg’ [-Wunused-variable] SOP_Cleave.C:306:11: warning: unused variable ‘rval’ [-Wunused-variable] SOP_Cleave.C:308:11: warning: unused variable ‘area’ [-Wunused-variable] SOP_Cleave.C:309:16: warning: unused variable ‘apt’ [-Wunused-variable] SOP_Cleave.C:310:16: warning: unused variable ‘bpt’ [-Wunused-variable] SOP_Cleave.C:311:16: warning: unused variable ‘cpt’ [-Wunused-variable] SOP_Cleave.C:316:11: warning: unused variable ‘delta_deg’ [-Wunused-variable] SOP_Cleave.C:317:11: warning: unused variable ‘arad’ [-Wunused-variable] SOP_Cleave.C:318:11: warning: unused variable ‘brad’ [-Wunused-variable] SOP_Cleave.C:321:16: warning: unused variable ‘orig_gdp’ [-Wunused-variable] SOP_Cleave.C:486:1: error: expected ‘}’ at end of input SOP_Cleave.C:486:1: warning: control reaches end of non-void function [-Wreturn-type] Compile failed Any ideas?
  8. HOT for h12

    That's what I'm talking about! Nice one! Thank you. Sorry for the late reply. Will get compiling now!
  9. HOT for h12

    Yup. I had just gotten to them... Eeesh. This does require someone more qualified than me. In '/opt/hfs12.0.543.9/toolkit/include/' 'GB/' doesn't even exist anymore at all! Thanks for your help!
  10. HOT for h12

    Hey. Yeah same here. I've tried compile it against houdini 12 and this is the error I'm getting: user@user-desktop:~/Downloads/hotsrc_1.0rc9/src$ python setup.py bdist ---> pavement.bdist ---> pavement.build ---> pavement.clean ---> pavement.build_sop_cleave hcustom -e -I 3rdparty/linux/include -I 3rdparty/include -L 3rdparty/linux/lib -l blitz -l fftw3f -i . SOP_Cleave.C Linking with 'libblitz' Linking with 'libfftw3f' Install directory = '.' g++ -DUT_DSO_TAGINFO='"3262197cbf015d063aad08835e2e94dc385ac7e9c427d2bd27f3d05c5259ea98348e65de812c43570c0bfde12b9f751c04a0ef10efafb60a537b7caa77ea94ac49ad5fb4ea885d85a3349d19559011fcab4ed5f0cfa2d966eaec1d58041eb355f05bee598b3783"' -DVERSION=\"12.0.543.9\" -D_GNU_SOURCE -DLINUX -DAMD64 -m64 -fPIC -DSIZEOF_VOID_P=8 -DSESI_LITTLE_ENDIAN -DENABLE_THREADS -DUSE_PTHREADS -D_REENTRANT -D_FILE_OFFSET_BITS=64 -c -I3rdparty/linux/include -I3rdparty/include -DGCC4 -DGCC3 -Wno-deprecated -I/opt/hfs12.0.543.9/toolkit/include -Wall -W -Wno-parentheses -Wno-sign-compare -Wno-reorder -Wno-uninitialized -Wunused -Wno-unused-parameter -O2 -fno-strict-aliasing -DMAKING_DSO -o SOP_Cleave.o SOP_Cleave.C Compile failed SOP_Cleave.C:48:33: fatal error: GB/GB_AttributeRef.h: No such file or directory compilation terminated. Captured Task Output: --------------------- ---> pavement.bdist ---> pavement.build ---> pavement.clean ---> pavement.build_sop_cleave hcustom -e -I 3rdparty/linux/include -I 3rdparty/include -L 3rdparty/linux/lib -l blitz -l fftw3f -i . SOP_Cleave.C SOP_Cleave.C:48:33: fatal error: GB/GB_AttributeRef.h: No such file or directory compilation terminated. It's whining that it can't find GB/GB_AttributeRef.h. It seems that things have changed with regards to GB/GB_AttributeRef.h and according to the docs 'significant changes' would have to be made to code making use of it. http://www.sidefx.com/docs/hdk12.0/hdk_changes_11_0.html#HDKC11_0_GB_AttributeRef I'll dick around with it in the next few evenings, but I guaratee you that I'll just be running in circles not knowing what's what. If someone a bit more qualified that myself could take a look at it that would be just super! If I make any progress I'll contribute it back asap. With Houdini 11.1 it compiles just fine on my machine following the same steps. EDIT: I was just reading the link I posted above and the first thing they say is: Lol. So I'll try what they say first I guess. EDIT: Woops, sorry, I'm kind of updating this as I find stuff. I probably should wait until I have my head around it first. The link I posted above is to hdk11 chages not 12. So that should affect HOT since it compiles just fine with Houdini 11.1. I'll come back and post more later. IF I find out more. If I don't it means I gave up.
  11. Bullet compiling issues

    simon@delbuntu:~/source/bullet-physics-solver/src$ ./build.sh Making debug version Linking with 'libBulletDynamics' Linking with 'libBulletCollision' Linking with 'libBulletSoftBody' Linking with 'libLinearMath' Making SIM_SolverBullet.o and /home/simon/houdini11.0/dso/SIM_SolverBullet.so from SIM_SolverBullet.cpp /usr/bin/ld: cannot find -lXi collect2: ld returned 1 exit status Link failed ** EDIT: Nevermind, silly question. ** ** EDIT: Ok, here's another question. ** I've tried once again against bullet 2.75 and 2.77. My gcc version is definitely 4.4 and I am using houdini-11.0.547-linux_x86_64_gcc4.4. The compiling seems to happen fine. simon@delbuntu:~/source/bullet-physics-solver/src$ ./build.sh Making debug version Linking with 'libBulletDynamics' Linking with 'libBulletCollision' Linking with 'libBulletSoftBody' Linking with 'libLinearMath' Making SIM_SolverBullet.o and /home/simon/houdini11.0/dso/SIM_SolverBullet.so from SIM_SolverBullet.cpp However when I launch Houdini I get the following errors. simon@delbuntu:~/source/bullet-physics-solver/src$ houdini Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SOP_RF_Mesh_Import.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SOP_RF_Particle_Import.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/ROP_RF_Particle_Export.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/ROP_RF_Sd_Export.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SIM_SolverBullet.so' libBulletDynamics.so.2.77: cannot open shared object file: No such file or directory Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SOP_RF_Sd_Import.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/home/simon/houdini11.0/dso/SIM_SolverBullet.so' libBulletDynamics.so.2.77: cannot open shared object file: No such file or directory simon@delbuntu:~/source/bullet-physics-solver/src$ houdini --help Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SOP_RF_Mesh_Import.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SOP_RF_Particle_Import.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/ROP_RF_Particle_Export.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/ROP_RF_Sd_Export.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SIM_SolverBullet.so' libBulletDynamics.so.2.77: cannot open shared object file: No such file or directory Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SOP_RF_Sd_Import.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/home/simon/houdini11.0/dso/SIM_SolverBullet.so' libBulletDynamics.so.2.77: cannot open shared object file: No such file or directory simon@delbuntu:~/source/bullet-physics-solver/src$ cd simon@delbuntu:~$ houdini Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SOP_RF_Mesh_Import.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SOP_RF_Particle_Import.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/ROP_RF_Particle_Export.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/ROP_RF_Sd_Export.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SIM_SolverBullet.so' libBulletDynamics.so.2.77: cannot open shared object file: No such file or directory Houdini DSO - error on '/opt/hfs11.0.547/houdini/dso/SOP_RF_Sd_Import.so' Compiler incompatibility detected. gcc compiler versions below 4.3 are not compatible with gcc compiler versions 4.3 or above. Houdini DSO - error on '/home/simon/houdini11.0/dso/SIM_SolverBullet.so' libBulletDynamics.so.2.77: cannot open shared object file: No such file or directory ** EDIT: Those gcc errors are not related to bullet ODE. ** Ok, my bad once again, those RF plugins are realflow plugins which I installed earlier and didn't bother checking, so that's a completely separate issue. It looks like the main problem with bullet ODE is that bullet itself is somehow badly installed. I'll check that now.
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