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Found 4 results

  1. hi friends like the title says I am trying to get the Houdini ocean fx to Softimage, both the mesh and displacement. the displacement images created in Houdini as a pic file doesn't seem to work. anyone has a suggestion on work flow to get them to Softimage? cheers
  2. Skin Editing

    Hey folks I'm investigating something that would help in my new venture of specializing on character work and I've realized that posing tools in Zb are not quite as good for me as I was hoping. So now I have the choice to scrape another layer off Softimage usage and possibly use Houdini for posing base meshes. So far I've not been able to find in Houdini the tool equivalents in XSI I regularly use and frankly couldn't do without. The main problem I'm facing is that I can't seem to figure out how to edit point weights, per bone, manually, aka numeric input. I've attached an image from XSI's skin editor where you'll see 4 points selected in viewport and one point to be edited in the editor with the bone1 as the influencing one also activated (bone1, bold text). Houdini Geometry Spreadsheet seems to only display those values, no editing. Am I missing something?
  3. To avoid reposting, here´s the link to SESI´s forum thread containing the link to the video as well as the scene files. Here´s hoping you find it useful. http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&t=31222
  4. Hi there I am building a pc2 writer sop to export point cache data from Houdini I have a working python solution but it can be a bit slow (code has been hacked from the various examples on odforce ect) see below: import sys, struct def doCache(): sf = hou.evalParm("startframe") ef = hou.evalParm("endframe") sr = 1 ns = (ef - sf) + 1 geo = hou.pwd().geometry() points = geo.points() np = len(points) pc2File = open(hou.evalParm("file"), "wb") geo = hou.pwd().geometry() # Write header headerFormat='<12siiffi' headerStr = struct.pack(headerFormat, "POINTCACHE2\0", 1, np, sf, sr, ns) pc2File.write(headerStr) # iterate points def writePP(p,f): hou.setFrame(f) curp = p.position() curps = pc2File.write( struct.pack('<fff', float(curp[0]), float(-curp[2]), float(curp[1]) ) ) a = [ writePP(p,f) for f in xrange(sf, sf+ns, sr) for p in geo.points() ] # close file pc2File.flush() pc2File.close() Due to slow speeds I am attempting to implement this using inlinecpp to speed up the execution time. My attempt can be found below, (non-functional at the mo). I am a HDK newb so there are probably lots of very simple mistakes in there. Would anyone with HDK experience be able to give me a few pointers in where I am going wrong? import sys import struct import inlinecpp writePts = inlinecpp.createLibrary( name="cpp_string_library", includes="#include <GU/GU_Detail.h>, #include <FS/FS_Writer.h>, #include <UT/UT_Vector3.h>, #include <HOM/HOM_Module.h>", function_sources=[ """void writePC2(GU_Detail *gdp, const char *filename, const char *pc2, int *numPoints, float *start, float *samplerate, int *numSamples ) { // open the file for writing FS_Writer fs(filename); ostream *file = fs.getStream(); // write header file << pc2; file << int(1); file << numPoints; file << start; file << samplerate; file << numSamples; // iterate through frames through points for ( float i=start; i<end; ++i) { HOM_Module::setFrame( double(i) ) //iterate through the points GA_Offset ptoff; GA_FOR_ALL_PTOFF(gdp, ptoff) { UT_Vector3 pos = gdp->getPos3(ptoff); file << pos.x << pos.y << pos.z; } } // close the file file.close() } """]) def doCache(): sf = hou.evalParm("startframe") ef = hou.evalParm("endframe") sr = 1 ns = (ef - sf) + 1 geo = hou.pwd().geometry() filename = hou.evalParm("file") pc2 = "POINTCACHE2\0" writePts.writePC2(geo, filename, pc2, len(geo.points), sf, sr, ns) Much obliged!!! Sam Swift-Glasman
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