liuping207
liuping207
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Use HDK to implement vex neighbours () March 4, 2021, 11:04 a.m.
First of all, I used the GU_Detail::buildRingZeroPoints() function to find neighbors. This function has very good performance. Then I want to find the neighbor point of the neighbor, this function cannot do it.
So I used GEO_HedgeInterface to achieve it, but the performance is very low.
this code same as GU_Detail::buildRingZeroPoints():
How to achieve higher performance in this way? In other words, there are other methods that have the same performance as GU_Detail::buildRingZeroPoints()
thanks
So I used GEO_HedgeInterface to achieve it, but the performance is very low.
this code same as GU_Detail::buildRingZeroPoints():
std::vector<GA_Offset> neighbours(GU_Detail* gdp, GEO_HedgeInterface& halfEdgeIfer, const GA_Offset &ptnum) { // build a list std::vector <GA_Offset> nbs; // GEO_Hedge iterEdge = halfEdgeIfer.firstIncidentEdge(ptnum); GEO_Hedge endEdge = iterEdge; while(1){ auto srcptoff = halfEdgeIfer.srcPoint(iterEdge); auto endptoff = halfEdgeIfer.dstPoint(iterEdge); std::vector<GA_Offset>::iterator srcpt_find = std::find(nbs.begin(), nbs.end(), srcptoff); std::vector<GA_Offset>::iterator endpt_find = std::find(nbs.begin(), nbs.end(), endptoff); if (srcptoff != ptnum && (srcpt_find == nbs.end())) { nbs.emplace_back(srcptoff); } if (endptoff != ptnum && (endpt_find == nbs.end())) { nbs.emplace_back(endptoff); } iterEdge = halfEdgeIfer.nextIncidentEdge(iterEdge, ptnum); if (iterEdge == endEdge) break; } return std::move(nbs); }
How to achieve higher performance in this way? In other words, there are other methods that have the same performance as GU_Detail::buildRingZeroPoints()
thanks
Arnold Shader HAPI_Initialize() Problem Dec. 20, 2018, 2:02 a.m.
node_initialize { HAPI_CookOptions cookOptions = HAPI_CookOptions_Create(); HAPI_Session session; HAPI_CreateInProcessSession(&session); ENSURE_SUCCESS(HAPI_Initialize(&session, &cookOptions, true, -1, nullptr, nullptr, nullptr, nullptr, nullptr)); } node_update { } ......
Then find a problem that debuger located this function:HAPI_Initialize()
and in maya log have this error message:
Houdini Engine could not load
but in standalone program,that have not find this problem.
Can someone help me
thanks.
HDK-getPos3() problem March 14, 2015, 10:42 p.m.
lockInputs(context);
duplicateSource(0,context);
GU_Detail *input_geo_1 = (GU_Detail *)inputGeo(1);
std::cout<<input_geo_1->getGEOPoint(0)->getPos3()<<std::endl;
this getPos3() function always get wrong position.
please help me
thanks
:x
duplicateSource(0,context);
GU_Detail *input_geo_1 = (GU_Detail *)inputGeo(1);
std::cout<<input_geo_1->getGEOPoint(0)->getPos3()<<std::endl;
this getPos3() function always get wrong position.
please help me
thanks
:x