int
GusdOBJ_usdcamera::applyInputIndependentTransform(OP_Context& ctx, UT_DMatrix4& mx)
{
mx.identity();
fpreal t = ctx.getTime();
if(UsdGeomCamera cam = _LoadCamera(t, ctx.getThread()))
{
float frame = evalFloat(_frameIdx, 0, t);
GfMatrix4d ctm(1.);
bool stat = true;
bool resetsXformStack = false;
switch(evalInt("xformmode", 0, t))
{
case _POSTMULTCTM_TRANSFORM:
stat = true;
ctm = cam.ComputeLocalToWorldTransform(frame);
break;
case _CTM_TRANSFORM:
stat = true;
ctm = cam.ComputeParentToWorldTransform(frame);
break;
case _OBJ_TRANSFORM:
// XXX: how do we reset xformStack here?
// Is that (or should that
// be) handled by the Compute calls above?
stat = cam.GetLocalTransformation(&ctm, &resetsXformStack, frame);
break;
default: // _IGNORE_TRANSFORM:
stat = true;
ctm.SetIdentity();
break;
}
if(!stat)
{
stealErrors(_errors, /*borrow*/ true);
return 0;
}
mx = GusdUT_Gf::Cast(ctm);
}
return OBJ_Camera::applyInputIndependentTransform(ctx, mx);
}
OP_ERROR SOP_UniPdist::cookMySop(OP_Context &context)
{
// Before we do anything, we must lock our inputs. Before returning,
// we have to make sure that the inputs get unlocked.
if (lockInputs(context) >= UT_ERROR_ABORT)
return error();
// Duplicate input geometry
duplicateSource(0, context);
float time = context.getTime();
float dist = evalFloat(distanceName.getToken(), 0, time);
GA_PointGroup *removeGroup = gdp->newPointGroup(REMOVE_GROUP_NAME);
GA_PointGroup *keepGroup = gdp->newPointGroup(KEEP_GROUP_NAME);
// Flag the SOP as being time dependent (i.e. cook on time changes)
flags().timeDep = 1;
//Create a removeAttrib
GA_RWHandleI removeAttrib(gdp->addIntTuple(GA_ATTRIB_POINT, "__remove__", 1));
//Creating PointTree
GEO_PointTreeGAOffset pttree;
//Build PointTree with all the points
pttree.build(gdp,NULL);
//Create the Array wich holds the distance for the current point in the for loop
UT_FloatArray ptdist;
// Index offset
const GA_IndexMap points = gdp->getPointMap();
GA_Size ptoffsetindex;
ptoffsetindex = points.offsetSize()-points.indexSize();
//set all
for (GA_Iterator ptoff(gdp->getPointRange()); !ptoff.atEnd(); ++ptoff)
{
removeAttrib.set(*ptoff,0);
}
// loop over all points, find second closest point
for (GA_Iterator ptoff(gdp->getPointRange()); !ptoff.atEnd(); ++ptoff)
{
int removeMe;
removeMe = int(removeAttrib.get(*ptoff));
if(removeMe)
{
removeGroup->addIndex(*ptoff-ptoffsetindex);
continue;
}
// Create the Array which holds a list sorted on distance to current point in the for loop
GEO_PointTree::IdxArrayType plist; //plist
UT_Vector3 pos = gdp->getPos3(*ptoff); // create pos
pttree.findAllCloseIdx(pos,dist,plist); // find all points within the search radius
unsigned int tempListP = plist.entries(); //create a int for entries in the array
for(int i=0;i < tempListP; ++i)
{
removeAttrib.set(plist[i],1); //set the tempList points to be removed
}
removeAttrib.set(*ptoff,0);
keepGroup->addIndex(*ptoff-ptoffsetindex);
}
pttree.clear(); //clear the pointtree
unlockInputs();
return error();
}
