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About MohamedSakr

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  1. Videocard - what number should I look at

    Texel rate is pretty important for programs like Mari , Mari doesn't accept cards lower than x60 , it is about "I guess" how fast,large the texturing can be done with the GPU "which is related to memory size on GPU too"
  2. ah I see thanks a lot for the info and help I thought there may be a converter in the lots of houdini apps folder that may do this automagically
  3. thanks a lot !! really appreciated your effort , will learn a lot from it thanks again for your time
  4. assume I got an object consists of 100 points each 10 points are in a group so it is total of 10 groups what I can access is each group, how to get the rest of points? as I don't know the group name ... I want to use this with ray sop so as the total primitives count is 100, the foreach is working on each 10 primitives , I want to cast rays from these 10 points on the rest of 90 points(converted to primitives) "as what I found is that ray distance doesn't work with same 2 inputs unless it is used for intersect furthest surface" but what I need is the nearest surface which is always result in a distance of zero without different inputs "no shared points in the inputs to be clear" sorry if the question is noob but I'm still learning thanks in advance
  5. up, any idea how to do it with ray sop? or vop sop ?
  6. Videocard - what number should I look at

    for "OpenCL" performance, look at how many "CUDA/OpenCL" cores, memory capacity "1/1.5/2/3/6 GB" , memory speed "like 900MHZ(the higher the faster in calculation)" generally speaking, for NVidia,get anything with x80 number "like 580,680,780" , Titan is better than 780 because of its memory capacity
  7. explain more please about this , I understand a part of what you mean, but not sure which nodes to use
  8. well assume I got an object which consists of 10 planes , each one at a different height (1,2,3,4,5..10) they are randomly animated in the x direction, so at some time they may be on the same"vertical" column, and some time they are totally away from each other what I want is to cast a "ray" from the bottom plane"for example" and detect how many faces that ray has passed through any idea? as I'm still new to houdini thanks in advance
  9. VDB Volume Fracturing Workflow

    wow this is really cool Daniel , a .hip example will be much appreciated as I'm trying to learn the VDB workflow "it is the future of volumes within Houdini "
  10. VDB Volume Fracturing Workflow

    I hear "somewhere in the OpenVDB google group" that OpenVDB v1.2 "not sure if it is implemented yet into last Houdini build" will support hard edges "which is exactly what you want here without adding much more voxels to compensate for the lack of details" so I guess you are doing it right, but wait for OpenVDB v1.2 or higher to be implemented "may be any dev at sidefx can tell us if it is implemented in the latest build or not"
  11. I got a houdini 11 file .hipnc that got many warnings when opening on houdini 12.5 warnings are in dopnetworks and other places, generally are Skipping unrecognized parameter any easy way to fix this? as I'm still new ,what I guess is that these parameters names have changed from version to version tell me how to convert the file,or at least a place to know "names" of each parameters at houdini 11 and 12.5 to convert them manually thanks in advance Mohamed