Revision 92d43fb1eea21ec77fe31adc0b0c999f1a124737 authored by Nils Thuerey on 08 June 2017, 20:22:23 UTC, committed by Nils Thuerey on 08 June 2017, 20:22:23 UTC
1 parent 0b4d265
ofblend2dTest.py
############################################################################################################################
#
# Data load setup
#
############################################################################################################################
# img out sample calls
#
# gen blended sequence for 2 inputs:
#./manta ../mantaflowgit/scenes/pcgTestOfLoad.py doOnlyLoad 1 doSingleLoad 1 dataSet 201 showUi 1 blendIters 1 blendSingleAlpha 0.5 regen2dSlices 1 dispWidth 500 dispHeight 500 camposz 0.8 singleSel 0 0 0 0 1 0
#
# gen blended sequence for 3 inputs:
#./manta ../mantaflowgit/scenes/pcgTestOfLoad.py doOnlyLoad 1 doSingleLoad 1 dataSet 202 showUi 1 blendIters 1 regen2dSlices 1 dispWidth 500 dispHeight 500 camposz 0.8 singleSel3 0 0 0 0 1 0 1 0 0 blendSingleAlpha 0.5 blendThirdAlpha 0.5
#
# run single grid data
#./manta ../mantaflowgit/scenes/pcgTestOfLoad.py dataSet 202 dosingleselect 1 singleSel 0 1 0 0 2 0
#
import sys
from manta import *
from math import *
setDebugLevel(1); # set to 2 for kernel msgs, 3 for ranges
dataSet = 2
paramSet = 5
showUi = True
multiStep = 3
doLsProject = False
doFinalProject= True
doStoreResult = False
writePngs = False
# load only modes
doOnlyLoad = False
doSingleSelect = False
singleSel = [0,0,0, 1,1,0, -1,-1,-1];
doLoadThird = False
doConstOverride = 0; # for testing only, paper ex2, turn of SDF!
# configure blending
blendIters = -9;
blendSingleAlpha = -1;
blendThirdAlpha = -1;
# generate 2d slices from 3d version
regen2dSlices = False
# window settings, for img output
dispWidth = 800
dispHeight = 600
camPosZ = 1.2
# data input
dim = 2
res = 10
resLoad = 12
isLevelset = True
frameIterStart = 0
frameIterEnd = 12
frameIterMult = 10
frameIterOffset= 10
orderTime = 1
orderSpace = 1
projSizeThreshold = 959
doLoadGrid = 0
thirdDimFactor = 1.0
# modify filename for some runs...
dataSetSuffix = ""
# fit data into grid with 10% border, used in OF solve for reset
autoBorder = 0.1
loadOffset = Vec3(0,0,0);
gridLoadX = -1; gridLoadY = -1; gridLoadZ = -1;
gridOtherX = -1; gridOtherY = -1; gridOtherZ = -1;
gridThirdX = -1; gridThirdY = -1; gridThirdZ = -1;
# check for parameters (ignore case), note: bool given as 0/1
# eg call with: "./manta scene.py dataSet 2 showUi 1 doOnlyLoad 0 "
skipNext = 0;
for iter in range(1, len(sys.argv)):
if skipNext>0:
skipNext = skipNext-1; continue;
if(sys.argv[iter].lower() == "showui"):
showUi = (int(sys.argv[iter+1])!=0);
print( "showUi set to %d" % (showUi) ); skipNext = 1;
elif(sys.argv[iter].lower() == "dataset"):
dataSet = int(sys.argv[iter+1])
print( "dataSet set to %d" % (dataSet) ); skipNext = 1;
elif(sys.argv[iter].lower() == "paramset"):
paramSet = int(sys.argv[iter+1])
print( "paramSet set to %d" % (paramSet) ); skipNext = 1;
elif(sys.argv[iter].lower() == "dostoreresult"):
doStoreResult = (int(sys.argv[iter+1])!=0);
print( "doStoreResult set to %d" % (doStoreResult) ); skipNext = 1;
elif(sys.argv[iter].lower() == "doonlyload"):
doOnlyLoad = (int(sys.argv[iter+1])!=0);
print( "doOnlyLoad set to %d" % (doOnlyLoad) ); skipNext = 1;
elif(sys.argv[iter].lower() == "dosingleload") or (sys.argv[iter].lower() == "dosingleselect"):
doSingleSelect = (int(sys.argv[iter+1])!=0);
print( "doSingleSelect set to %d" % (doSingleSelect) ); skipNext = 1;
elif(sys.argv[iter].lower() == "singlesel"):
for i in range(0, 6):
singleSel[i] = int(sys.argv[iter+1+i]);
print( "singleSel set to %d,%d,%d and %d,%d,%d" % (singleSel[0],singleSel[1],singleSel[2],singleSel[3],singleSel[4],singleSel[5]) );
skipNext = 6;
elif(sys.argv[iter].lower() == "singlesel3"): # double interpol, 9 values
for i in range(0, 9):
singleSel[i] = int(sys.argv[iter+1+i]);
print( "singleSel3 set to " + str(singleSel) );
skipNext = 9;
elif(sys.argv[iter].lower() == "blenditers"):
blendIters = int(sys.argv[iter+1])
print( "blendIters set to %d" % (blendIters) ); skipNext = 1;
elif(sys.argv[iter].lower() == "blendsinglealpha"):
blendSingleAlpha = float(sys.argv[iter+1])
print( "blendSingleAlpha set to %f" % (blendSingleAlpha) ); skipNext = 1;
elif(sys.argv[iter].lower() == "blendthirdalpha"):
blendThirdAlpha = float(sys.argv[iter+1])
print( "blendThirdAlpha set to %f" % (blendThirdAlpha) ); skipNext = 1;
elif(sys.argv[iter].lower() == "regen2dslices"):
regen2dSlices = (int(sys.argv[iter+1])!=0);
print( "regen2dSlices set to %d" % (regen2dSlices) ); skipNext = 1;
elif(sys.argv[iter].lower() == "dispwidth"):
dispWidth = int(sys.argv[iter+1])
print( "dispWidth set to %d" % (dispWidth) ); skipNext = 1;
elif(sys.argv[iter].lower() == "dispheight"):
dispHeight = int(sys.argv[iter+1])
print( "dispHeight set to %d" % (dispHeight) ); skipNext = 1;
elif(sys.argv[iter].lower() == "camposz"):
camPosZ = float(sys.argv[iter+1])
print( "camPosZ set to %d" % (camPosZ) ); skipNext = 1;
else:
print( "Error: unknown parameter '" + sys.argv[iter] +"' " );
exit(1);
############################################################################################################################
# liquids
# 1-3 , 64^2 in pcgData64
if dataSet==1:
datPath = "pcgData64/phi"
frameIterEnd = 8
res = 64
dat0 = 3
dat1 = 1
resLoad = 64
#res = 100
#frameIterOffset= 60; # more interesting start frame
#dat0 = 1; dat1 = 2; # NT_DEBUG
# 4-6 , 140^2 in pcgData140
elif dataSet==2:
datPath = "pcgData140/phi"
res = 140
resLoad = 140
res = 168
frameIterStart = 4 # debug , tough start frame
# variants
#dat0 = 4; dat1 = 5; # rel. easy
dat0 = 4; dat1 = 6; # tough!
#dat0 = 6; dat1 = 4; # tougher , reverse
#dat0 = 5; dat1 = 4; # NT_DEBUG new
# border (autoBord,autoBnd) reduce test data
elif dataSet==3:
autoBorder = 0.0
datPath = "pcgDataBordred/phibv"
res = 120
dat0 = 1;
dat1 = 3;
resLoad = 100
frameIterStart = 2
frameIterMult = 1
frameIterOffset= 1
# smoke
# 2d plume 1-4 (note 1&2 are too low...?)
elif dataSet==5:
datPath = "pcgDataSmoke64/dens"
#frameIterOffset = 5;
frameIterOffset = 30;
frameIterMult = 5;
frameIterEnd = 8;
res = 64;
isLevelset = False;
dat0 = 3;
dat1 = 4;
resLoad = 64;
res = 80;
frameIterEnd = 18; frameIterOffset = 5 # longer , all frames
#frameIterOffset = 60 # start later
# 2d paper example
elif dataSet==6:
datPath = "pcgData2dPaper/phi"
res = 140
dat0 = 1;
dat1 = 2;
resLoad = 128
res = 280;
frameIterStart = 2
# 3d
# 7-9 , 64^3 in pcgData64 (3d versions of 1-3)
elif dataSet==10:
datPath = "pcgData64threed/phi"
dim = 3; res = 64
dat0 = 7
dat1 = 9
resLoad = 64
res = 16; # NT_DBEUG 4d
# shorter
frameIterStart = 1; frameIterEnd = 7
frameIterMult = 20; frameIterOffset= 10
#res = 124; frameIterMult = 5; frameIterEnd = 80;
# 3d plume 5,6
elif dataSet==15:
datPath = "pcgDataSmoke64threed/dens"
frameIterOffset = 50
frameIterMult = 5
dim = 3; res = 64
isLevelset = False
dat0 = 5
dat1 = 6
resLoad = 64
# full run
frameIterOffset = 5; frameIterEnd = 18
# 3d volumes for dat 1-3 , 64^2 in pcgData64conv3d , frame #0 is interval 1, #1 is interval 2
elif dataSet==101:
datPath = "pcgData64conv3d/phito"
dim = 3;
res = 64;
dat0 = 1;
dat1 = 3;
dat0 = 3; dat1 = 1; # reverse
resLoad = 64;
res = 76;
frameIterOffset= 0;
frameIterMult = 1;
frameIterEnd = 2;
#resLoad = 64; res = 40; # smaller
frameIterOffset= 1; frameIterEnd = 1;
elif dataSet==102:
# special test, run a case from 202 single, for loop
dat0 = 1; dat1 = 2; # fixed for grids!
datPath = "pcgDataGrid01/phito02"
doLoadGrid = 1;
dim = 3;
resLoad = 80;
res = 96;
frameIterOffset= 0; frameIterMult = 1;
frameIterStart = 0; frameIterEnd = 1;
gridLoadX, gridLoadY, gridLoadZ = (1,5,0)
gridLoadX, gridLoadY, gridLoadZ = (1,1,0) # tougher!
gridOtherX, gridOtherY, gridOtherZ = (3,5,0)
res = 44; # small!
res = 64; # ca. 10s
elif dataSet==103:
# special test, run a case from 202 single, for loop
dat0 = 1; dat1 = 2; # fixed for grids!
datPath = "pcgDataFlip2d/phifl2d"
doLoadGrid = 0;
dim = 3;
resLoad = 100;
res = 120;
frameIterOffset= 0; frameIterMult = 1;
frameIterStart = 0; frameIterEnd = 1;
res = 64; # small!
elif dataSet==104:
#NT_DEBUG print("ERR fix time below"); exit(1);
# two d case with longer time
dat0 = 1; dat1 = 2;
datPath = "pcgDataFlip2d/phifl2dLonger"
doLoadGrid = 0;
dim = 3;
resLoad = 50;
res = 60;
frameIterOffset= 0; frameIterMult = 1;
frameIterStart = 0; frameIterEnd = 1;
#res = 34; # small!
thirdDimFactor = 1.5
# 3d volumes for 2d flip sims, grid 10x10; to02: 80 , to03: 46 (pcgTestDatagenArrFlip)
elif dataSet==200:
dat0 = 1; dat1 = 2; # fixed for grids!
datPath = "pcgDataGrid01/phito03" # note, suffix added!
doLoadGrid = 1;
dim = 3;
resLoad = 46;
res = 56;
#res = 32; # smaller NT DEBUG
frameIterOffset= 0; frameIterMult = 1;
frameIterStart = 0; frameIterEnd = 1;
elif dataSet==201 or dataSet==202 or dataSet==203:
# 201 = 4 drops low
# 202 = 6 drops higher
# 203 = 6 drops higher , 2stepOf
dat0 = 1; dat1 = 2; # fixed for grids!
datPath = "pcgDataGrid01/phito02"
doLoadGrid = 1;
dim = 3;
resLoad = 80;
res = 96;
frameIterOffset= 0; frameIterMult = 1;
frameIterStart = 0; frameIterEnd = 1;
#res = 34; # small!
res = 44;
#res = 54;
#res = 96;
# modify load
if dataSet==202:
dataSetSuffix = "B_"
# spcecial = 2 step OF!
if dataSet==203:
#dataSetSuffix = "C_" # org, fastMarch = False
dataSetSuffix = "D_" # t2, fastMarch = True
else:
print( "Error , no valid dataSet chosen!"); exit(1);
# automatically compute border offset
loadOffset = Vec3(0.)
if autoBorder>0:
resOffset = int(res * autoBorder);
loadOffset = Vec3(resOffset,resOffset,resOffset);
# repeat the first frame?
doRepeat = False;
repeatLen = int(res*autoBorder*1.0);
if 1 and (dataSet>=200 or dataSet==102 or dataSet==103 or dataSet==104): # NT_DEBUG , check repeat for long
doRepeat = True;
loadOffset.z = loadOffset.z + repeatLen
# ====== other params ... ====
# maximal region around surface to include from levelset
# modified below...
maxDist = 5
# solving accuracy, default
cgAccuracy = 1e-04
# cfl condition for advection (old 10)
cfl = 999; # NT_DBEUG off
# dont correct outer layer in levelset
corrOuter = False;
# use fast-marching , or simple-reinit?
#doFastMarch = True;
doFastMarch = False; # default for now
# misc params, to be initialized
lsFactor = 0
wSmooth = 0
wEnergy = 0
wPostBlur = 0
maxDist = 0
blurSelection = 0
# for projection step (used with doLsProject)
projMaxDist = 4.0; # 4 & 40 - good defaults...
projMaxIter = 40;
gsStd = Vec3(res,res,res*thirdDimFactor)
if (dim==2):
gsStd.z=1
solv = Solver(name='main', gridSize = gsStd, dim=dim )
solv.timestep = 1.0
times = Timings()
# setup relics ...
flags = solv.create(FlagGrid)
flags.initDomain()
flags.setConst(TypeFluid) # set all to TypeFluid
# testing , preview!
vDiff = solv.create(VecGrid)
i0blend = solv.create(LevelsetGrid)
i0reinit = solv.create(LevelsetGrid)
# allocate grid data
i0 = solv.create(LevelsetGrid)
i1 = solv.create(LevelsetGrid)
i0org = solv.create(LevelsetGrid)
i1org = solv.create(LevelsetGrid)
vel = solv.create(VecGrid)
velTmp = solv.create(VecGrid);
# debug multi level solve
debvel5 = solv.create(VecGrid)
debvel4 = solv.create(VecGrid)
debvel3 = solv.create(VecGrid)
debvel2 = solv.create(VecGrid)
debvel1 = solv.create(VecGrid)
debls5 = solv.create(LevelsetGrid)
debls4 = solv.create(LevelsetGrid)
debls3 = solv.create(LevelsetGrid)
debls2 = solv.create(LevelsetGrid)
debls1 = solv.create(LevelsetGrid)
#rhs = solv.create(RealGrid)
deberr1 = Vec3(0,0,0)
deberr2 = Vec3(0,0,0)
deberr3 = Vec3(0,0,0)
deberr4 = Vec3(0,0,0)
deberr5 = Vec3(0,0,0)
deberr6 = Vec3(0,0,0)
deberr7 = Vec3(0,0,0)
deberr8 = Vec3(0,0,0)
# optional for 2-param interpol
velThird = 0
iDiffThird = 0
# only for velocity extrapol test , shouldnt be needed in general
velMac = ""
# test motion
i0adv = solv.create(LevelsetGrid) # advected
# multi step OF
velTmp2 = solv.create(VecGrid)
iTmp1 = solv.create(LevelsetGrid)
iDiff = solv.create(RealGrid)
iDiffBack = solv.create(RealGrid)
# other solver data
meshDest = solv.create(Mesh)
meshRef1 = solv.create(Mesh)
meshRef0 = solv.create(Mesh)
# solver object for load & size convert
gsload = vec3(resLoad,resLoad,resLoad*thirdDimFactor)
if (dim==2):
gsload.z=1
sload = Solver(name='loaddata', gridSize = gsload, dim=dim)
iload = sload.create(RealGrid)
# 3d mesh env for 2d data
doMeshFrom2d = True
if doMeshFrom2d:
t2gs = vec3(res,res,10)
#if (dim==2): t2gs.z=1
t2dsolv = Solver(name='mesh3d', gridSize = t2gs, dim=3)
t2dphi = t2dsolv.create(LevelsetGrid)
# create preview mesh for 2d data
def previewMesh(phi, meshOut):
for i in range(0,10):
placeGrid2d(phi,t2dphi,dstz=i)
t2dphi.setBound(0.1,0);
t2dphi.createMesh(meshOut);
#///
if showUi and (GUI):
gui = Gui()
gui.windowSize(dispWidth,dispHeight);
gui.setCamPos (0,0,-camPosZ);
gui.show()
if not regen2dSlices:
gui.pause();
else:
gui.toggleHideGrids();
avgErrBest = 1e10
screenNum = 0
blendScrNum = 0
# helper functions
def extrapolLs(target, maxt=-1):
# extrapolation distance, default & override
d = (maxDist+1);
if maxt>=0:
d = maxt;
if 1: # for testing, disable extrapol
if doFastMarch:
target.reinitMarching(flags=flags, maxTime=d , correctOuterLayer=corrOuter );
else:
extrapolateLsSimple(phi=target, distance=d)
extrapolateLsSimple(phi=target, distance=d, inside=true)
if doConstOverride: # for testing, turn into 0-1 surface
print("WARNING - const override test active!");
constOverride(phi=target, val=-(1./lsFactor) );
# extrapolLs done
# process newly loaded data for of
def doPostProcess(iTarget):
if(isLevelset):
extrapolLs(iTarget);
remapLsValues( grid=iTarget, max=maxDist )
iTarget.multConst(lsFactor)
else:
# convert to LS:
iTarget.multConst(-1.0)
iTarget.addConst(0.5) # org
iTarget.addConst(0.3) # larger off
# workaround , convert to LS...
if 1:
extrapolLs(iTarget);
remapLsValues( grid=iTarget, max=maxDist )
iTarget.multConst(lsFactor)
#unused: simpleBlur(iTarget, preImgBlur)
#iTarget.multConst(-1.0);
#iTarget.setBound( int(maxDist*-0.25), int(res*autoBorder*0.5) ); # old, hard reset
iTarget.setBoundNeumann(int(res*autoBorder*0.5));
# end post process
# load and process data file
def getDataName(dataId, num, attachSuffix=True ):
suffix = "";
# hard coded offset for paper 2d example
# try1
if 0:
if dataSet==6 and dataId==1:
num = 100 # img 7
if dataSet==6 and dataId==2:
num = 70 + 10
# try2
if 1:
if dataSet==6 and dataId==1:
#num = 60
num = num + 20
if dataSet==6 and dataId==2:
#num = 40
num = num + 0
# end - hard coded offset for paper 2d example
if attachSuffix:
suffix = ".uni";
if(doLoadGrid<=0):
return("./%s%02d_%04d%s" % (datPath, dataId, num, suffix ) );
else:
# grid data
if (dataId==1):
return("./%s_x%dy%dz%d_%04d%s" % (datPath, gridLoadX,gridLoadY,gridLoadZ ,num, suffix ) );
elif(dataId==2):
return("./%s_x%dy%dz%d_%04d%s" % (datPath, gridOtherX,gridOtherY,gridOtherZ ,num, suffix ) );
elif(dataId==3):
return("./%s_x%dy%dz%d_%04d%s" % (datPath, gridThirdX,gridThirdY,gridThirdZ ,num, suffix ) );
else:
print( "Error - invalid grid dataId %d \n"%(dataId) );
exit(1);
return("-error-");
def loadData(iTarget, dataId, num ):
global iload;
if 1:
# regular load
iload.load( getDataName(dataId, num) );
if dataSet==6: # 2d paper example
iload.setBound(0.1, 3 ); # paper example - cut off flat side
else:
# fixed init of sphere for debugging
drop = solv.create(Sphere, center=vec3(0.4,0.5,0.0)*vec3(res,res,res), radius=res*0.25);
if dataId==2:
drop = solv.create(Sphere, center=vec3(0.4+0.05,0.5,0.0)*vec3(res,res,res), radius=res*0.25);
iload = drop.computeLevelset()
# fixed init of sphere, end
interpolateGrid(iTarget, iload, offset=loadOffset , scale=vec3(1.-2*autoBorder) );
if doRepeat:
repeatFrame( iTarget, loadOffset.z + 1./float(res), repeatLen, bnd=0 );
iTarget.setBound(0.1, int(res*autoBorder) ); # reset border of LS!
def getResultName(dataId0, dataId1, num, suffix ):
name = "";
if(doLoadGrid<=0):
name = "%s_res%02d_%s.uni" % (getDataName(dataId0, num, False), dataId1, suffix);
else:
name = "%s_to_x%dy%dz%d_%s.uni" % (getDataName(dataId0, num, False), gridOtherX,gridOtherY,gridOtherZ, suffix);
return name;
def storeResult(iTarget, dataId0, dataId1, num , suffix):
mySuffix = dataSetSuffix+suffix
if doStoreResult:
iTarget.save( getResultName(dataId0, dataId1, num, mySuffix) );
def loadResult(iTarget, dataId0, dataId1, num , suffix):
mySuffix = dataSetSuffix+suffix
iTarget.load( getResultName(dataId0, dataId1, num, mySuffix) );
# small helper to prepare final LS
def createFinal(iTarget, iSrc, copyFromSrc=True ):
if(copyFromSrc):
iTarget.copyFrom(iSrc);
iTarget.setBound(-0.1, int(res*autoBorder) ); # reset border of LS!
if(isLevelset):
dummy = 1.;
#extrapolLs(iTarget); # only slight gain in accuracy...
# simple helper to select 1 run from grid
def checkSingleSelect(testRunX,testRunY,testRunZ, otherRunX,otherRunY,otherRunZ):
if(testRunX == singleSel[0] and
testRunY == singleSel[1] and
testRunZ == singleSel[2] and
otherRunX== singleSel[3] and
otherRunY== singleSel[4] and
otherRunZ== singleSel[5]):
return True;
return False;
############################################################################################################################
accuAvgErr = 0.; # global results of runseq
def runSeq():
global screenNum, blendScrNum, avgErrBest
global accuAvgErr
global gridOtherX, gridOtherY, gridOtherZ, gridThirdX, gridThirdY, gridThirdZ;
accuAvgErr = 0.;
accuAvgCnt = 0.;
#main loop, check different tests
for frameIter in range(frameIterStart,frameIterEnd):
# =========================================== setup
i0.setConst(0.);
i1.setConst(0.);
print( "\nframeIter: %dd "%(frameIter) )
# load & backup input data
fileNum = frameIterOffset + frameIter*frameIterMult
loadData( i0, dat0, fileNum );
loadData( i1, dat1, fileNum );
i0org.copyFrom(i0);
i1org.copyFrom(i1);
if 1 and isLevelset: # why extrapolate original? -> data should match
extrapolLs(i0org);
extrapolLs(i1org);
doPostProcess(i0);
doPostProcess(i1);
if not doOnlyLoad:
# =========================================== step
vel.setConst(vec3(0,0,0));
opticalFlowMultiscale3d(vel=vel, i0=i0, i1=i1, wSmooth=wSmooth, wEnergy=wEnergy , postVelBlur=wPostBlur
, cgAccuracy=cgAccuracy , blurType=blurSelection , cfl=cfl, orderTime=orderTime,orderSpace=orderSpace
, resetBndWidth=autoBorder , multiStep=multiStep , projSizeThresh=projSizeThreshold, minGridSize=6, doFinalProject=doFinalProject
, dv1=debvel1,dv2=debvel2,dv3=debvel3,dv4=debvel4,dv5=debvel5 , dr1=debls1,dr2=debls2,dr3=debls3,dr4=debls4,dr5=debls5 );
# use level set projection
if doLsProject:
maxLSPNorm = 0.50; # zero defo where normals disagree (old: skip vary normals & extrapolate if <1 )
maxLSPDist = 20; # skip when defo further than this
lspBlur = wPostBlur * 0.5;
#lspBlur = 0.01; maxLSPDist = 5; # settings, test blur fill in
# control by loop
maxLSPNorm = -1. # doesnt matter
maxLSPDist = projMaxDist;
#lspBlur = wPostBlur * 0.5;
lspBlur = 2.
maxIter = projMaxIter;
print( "\nAdding level-set projection, params %d %f , blur %d, iter %d " % (maxLSPDist, maxLSPNorm, lspBlur , maxIter) );
corrVelsOf3d( velTmp , vel, i0, i0, i1 , maxLSPDist, maxLSPNorm , lspBlur, autoBorder , maxIter );
#vel.addScaled(velTmp, Vec3(-1.0) );
#if 0:
#maxVel = vel.getMaxValue(); print( "Max vel "+str(maxVel) )# check...
# =========================================== advect forward
i0adv.copyFrom(i0); # calcErrOrg
advectSemiLagrangeCfl(cfl=cfl, flags=flags, vel=vel, grid=i0adv, order=orderTime)
i0adv.setBoundNeumann(0);
# calcErrOrg
createFinal( i0reinit, i0adv );
# =========================================== calc error
# load reference surface again
# just for comparison
if (dim==3) and showUi:
i1org.createMesh(meshRef1)
i0org.createMesh(meshRef0)
avgErr1 = 0.
# create full SDF for advected i0
if(isLevelset):
# mark disagreements in levelsets (also compute error
avgErr1 = calcLsDiff3d(i0=i0adv, i1=i1, correction=20. ) * 1.; # calcErrOrg
#? i0reinit.multConst(-1.); createFinal(i0reinit, i0reinit, False); # calcErrOrg
if 1 and (dim==3) and showUi:
iTmp1.copyFrom(i0reinit);
iTmp1.multConst( -( maxDist/(lsFactor) ));
iTmp1.createMesh(meshDest)
else:
# non levelsets...
avgErr1 = calcDensDiff(i0=i0reinit, i1=iTmp1);
print( "Frame %d %d->%d: avg curr error %f " % (fileNum, dat0,dat1, avgErr1 ) ) # per frame error
# ===========================================
# recons 3d mesh surface for 2d
if doMeshFrom2d and dim==2:
iTmp1.copyFrom(i0reinit);
iTmp1.multConst( -( maxDist/(lsFactor) ));
#simpleBlur(iTmp1, 1.);
previewMesh(iTmp1, meshDest);
previewMesh(i1org, meshRef1);
previewMesh(i0org, meshRef0);
# store difference grid
iDiff.copyFrom(i1org);
iDiff.sub(i0reinit);
#iDiff.setBound(0., int(res*autoBorder) ); # reset border
# store result
storeResult( iDiff, dat0,dat1, fileNum, "dif" );
storeResult( vel, dat0,dat1, fileNum, "vel" );
else:
# load only
loadResult( iDiff, dat0,dat1, fileNum, "dif" );
loadResult( vel , dat0,dat1, fileNum, "vel" );
avgErr1 = 0.;
# load data for third
if doLoadThird:
# a bit ugly - bend "other" selector towards third
(tmpx, tmpy, tmpz) = (gridOtherX, gridOtherY, gridOtherZ)
(gridOtherX, gridOtherY, gridOtherZ) = getGridDataId(gridThirdX, gridThirdY, gridThirdZ);
loadResult( iDiffThird, dat0,dat1, fileNum, "dif" );
loadResult( velThird , dat0,dat1, fileNum, "vel" );
(gridOtherX, gridOtherY, gridOtherZ) = (tmpx, tmpy, tmpz)
accuAvgErr += avgErr1
accuAvgCnt += 1.0
solv.step()
if writePngs and showUi: # output
gui.screenshot( 'out02ms3_%05d.png' % screenNum );
screenNum += 1
# ===========================================
# try blending...
maxBl = blendIters
for blendIt in range(0,maxBl):
if blendSingleAlpha>=0.:
alpha = blendSingleAlpha;
else:
alpha = (1.0*blendIt) / (1.0*(maxBl-1.0));
beta = blendThirdAlpha; # optional
i0blend.copyFrom(i0org);
# blending: 0 off, 1 SL, 2 wDiff , 3 2param
blendMode = 1
if not doLoadThird:
print( "Blending %f "%(alpha) )
else:
print( "Blending sec %f, third %f "%(alpha, beta) )
blendMode = 3;
# show org i1 last
if alpha>(1.0+1e-04):
blendMode = 99;
# ... blend!
if blendMode==0:
# naive LS blend
i0blend.multConst( 1.0 - alpha )
iTmp1.copyFrom(i1org);
iTmp1.multConst( alpha )
i0blend.add( iTmp1 );
elif blendMode==1:
# just forward
advectSemiLagrangeCfl(cfl=cfl, flags=flags, vel=vel, grid=i0blend, order=orderTime, velFactor=alpha)
elif blendMode==2:
# forward & backw
advectSemiLagrangeCfl(cfl=cfl, flags=flags, vel=vel, grid=i0blend, order=orderTime, velFactor=alpha )
if 1 and (isLevelset):
createFinal( i0blend, 0 , copyFrom_i0adv=False ); # damn, needed?
diffDuration = 0.3
#wdiff = 1.0 * alpha # org identical
wdiff = (1.0/diffDuration) * alpha - (1.0/diffDuration-1.) # diffDuration% shift
# only add if >0
if wdiff>0.:
iTmp1.copyFrom( iDiff );
iTmp1.multConst( wdiff )
advectSemiLagrangeCfl(cfl=cfl, flags=flags, vel=vel, grid=iTmp1, order=orderTime, velFactor=-(1.-alpha) )
i0blend.add( iTmp1 );
print( "Adding diff vector, weight = %f "%(wdiff) )
elif blendMode==3:
# 2-param, just forward
advectSemiLagrangeCfl(cfl=cfl, flags=flags, vel=vel, grid=i0blend, order=orderTime, velFactor=alpha)
advectSemiLagrangeCfl(cfl=cfl, flags=flags, vel=velThird, grid=i0blend, order=orderTime, velFactor=beta)
elif blendMode==99:
print( "No blend! Showing org1");
i0blend.copyFrom(i1org);
else:
print( "Invalid blend mode! %d"%blendMode ); exit(1);
# reinit...
if(isLevelset):
extrapolLs(i0blend, res/4);
i0blend.setBound(0.1, int(res*autoBorder) ); # reset border
if (dim==3) and showUi:
i0blend.createMesh(meshDest)
if (dim==2) and showUi:
previewMesh(i0blend, meshDest);
# optionally save mesh...?
if 0: # output
meshDest.save( 'mesh_%d_%04d.obj' % (blendIt,blendScrNum) )
else:
i0blend.copyFrom(i0blend, False)
if 0: # output
i0blend.save( 'outblxy_%d_%04d.uni' % (blendIt,blendScrNum) )
# output
# re-generate 2d slices for whole 2d anim, output - similar to preview Mesh , only for solves with time dim
if regen2dSlices:
# note - skip region that is only safety border (ie, res* autoBorder*(1+1) )
# once for blank region, and once in the beginning for the first-frame-repeat
for z in range( int(res* autoBorder*2.0)-1, int(res*thirdDimFactor-(res* autoBorder)) ):
getSliceFrom3d(src=i0blend, srcz=z, dst=t2dphi, dstz=0);
for dstz in range(1,10):
getSliceFrom3d(src=t2dphi, srcz=0, dst=t2dphi, dstz=dstz);
t2dphi.setBound(0.1,0);
t2dphi.createMesh(meshDest);
if writePngs and showUi: # output
#gui.screenshot( 'out_%d_%04d.png' % (blendIt,z) );
if not doLoadThird:
gui.screenshot( 'outbl%02d_%f_%04d.png' % (dataSet,alpha,z) );
else:
gui.screenshot( 'outbl%02d_%f_%f_%04d.png' % (dataSet,alpha,beta,z) );
solv.step();
else:
# normal display / screenshot
solv.step()
if 0 and writePngs and showUi: # output
gui.screenshot( 'outbl01_%d_%04d.png' % (blendIt,blendScrNum) );
if maxBl>0:
print("Blending done");
solv.step(); # stop after blending is done?
# done blending
blendScrNum = blendScrNum + 1
accuAvgErr /= accuAvgCnt
print( "Accu avg error %f (params lsf %f, maxd %f, smo %f, ene %f, blr %f, cgacc %f, rI %d, rO %d) d/pSet:%d,%d|%d,%d " % (accuAvgErr, lsFactor, maxDist, wSmooth, wEnergy, wPostBlur, cgAccuracy, res, resLoad, dataSet, paramSet, dat0,dat1 ) )
if(accuAvgErr < avgErrBest):
avgErrBest = accuAvgErr
times.display()
exit(1); # quit after one cycle
############################################################################################################################
def loopParamSearch() :
global lsFactor, wSmooth, wEnergy, wPostBlur;
global maxDist, cgAccuracy, blurSelection;
global projMaxDist , projMaxIter;
# prepare loop ranges
loopLenMd = 1
loopLenLfs = 1
loopLenBlr = 1
if paramSet==6: # search
loopLenMd = 3
loopLenLfs = 5
loopLenBlr = 5
if paramSet==7: # search
loopLenMd = 5
loopLenLfs = 5
loopLenBlr = 5
# main loop, vary parameters
for testRunMd in range(0,loopLenMd):
for testRunLsf in range(0,loopLenLfs): # 5
for testRunBlr in range(0,loopLenBlr): # 10
# run1, main params (range 4,6,6)
if paramSet==1: # search 64
lsFactor = pow(10, (1.-testRunLsf) )
wSmooth = 0.00002
wEnergy = 0.001
wPostBlur = 1.0 * testRunBlr
maxDist = 0.5 * pow(5, (testRunMd) )
# good run 102 accu avg error 3.562538 (params lsf 0.100000, maxd 12.500000, smo 0.000020, ene 0.001000, blr 3.000000)
elif paramSet==2: # search 64 p2
lsFactor = 0.1
wSmooth = 0.00002
wEnergy = 0.001
wPostBlur = 3.0
maxDist = 12.0
# run2
wSmooth = 0.000001 * pow(5, testRunBlr)
wEnergy = 0.0001 * pow(5, testRunLsf)
elif paramSet==3: # search 140
lsFactor = 0.1
wEnergy = 0.000125
wPostBlur = 3.0 * testRunBlr
maxDist = 0.5 * pow(5, (testRunMd) )
wSmooth = 0.000001 * pow(5, testRunLsf)
# 1/25 of smoothing amount, 3x more blur!
elif paramSet==4:
lsFactor = 0.1
wSmooth = 0.000001
wEnergy = 0.000125
wPostBlur = 9.0
maxDist = 12.0
# good from 64 , smoke
elif paramSet==5:
wPostBlur = 3.0
wSmooth = 0.01
wEnergy = 0.0005
# 1 for median, 2 for simple
#wPostBlur = 2.0
wPostBlur = 1.0 * testRunBlr
blurSelection = testRunLsf
#wPostBlur = 1.0
blurSelection = 1
maxDist = 1. + 10. *testRunLsf
lsFactor = 0.1 * (testRunBlr+1)
maxDist = 20;
lsFactor = 0.1
wPostBlur = 6. # compromise?
#cgAccuracy = 0.003
cgAccuracy = 0.03
# exhaustive search
elif paramSet==6:
maxDist = 20;
lsFactor = 0.1;
cgAccuracy = 0.01;
blurSelection = 1;
wPostBlur = 2.0 * testRunBlr;
wSmooth = 0.00001 * pow(10, testRunLsf);
wEnergy = 0.0001 * pow(10, testRunMd);
# search project
elif paramSet==7:
wSmooth = 0.01
wEnergy = 0.0005
blurSelection = 1
maxDist = 20;
lsFactor = 0.1
wPostBlur = 6.
cgAccuracy = 0.001
wPostBlur = 10. / (testRunBlr+1);
projMaxDist = 20 / (testRunLsf+1);
projMaxIter = 200 / (testRunMd+1);
# search 1: maxdist 20 bad!
wPostBlur = 2.* (testRunBlr+0.);
projMaxDist = 5-(testRunLsf);
projMaxIter = 5 * (testRunMd+1);
# good:
wPostBlur = 4; # times 0.5 later -> 2
projMaxIter = 40;
projMaxDist = 4;
# test fill in , NT_DEBUG , doFillIn
# minimal difference?
projMaxIter = 3 * (testRunBlr+0);
# liquid 64 3d
elif paramset==10:
wSmooth = 0.000025
wEnergy = 0.000125
wPostBlur = 3.0
maxDist = 12.0
lsFactor = 0.1
#cgAccuracy = pow(10, -testRunBlr)
#cgAccuracy = 0.05
cgAccuracy = 0.5 # low, but still ok...
#cgAccuracy = 10.0 # solve effectively off
else:
print( "Error , no valid paramset chosen!"); exit(1);
print( "\nparamSearch loop %d %d %d "%(testRunBlr,testRunMd,testRunLsf) )
runSeq();
print( "Accu avg error === " ) # loop sep
print( "Accu avg error best so far %f " % avgErrBest )
############################################################################################################################
def idString(testRunX,testRunY,testRunZ, otherRunX,otherRunY,otherRunZ):
ret = "";
# uni directional graph
#if otherRunZ < testRunZ:
#ret = ("%d_%d_%d vs %d_%d_%d" % (otherRunX,otherRunY,otherRunZ, testRunX,testRunY,testRunZ ));
#elif otherRunY < testRunY:
#ret = ("%d_%d_%d vs %d_%d_%d" % (otherRunX,otherRunY,otherRunZ, testRunX,testRunY,testRunZ ));
#elif otherRunX < testRunX:
#ret = ("%d_%d_%d vs %d_%d_%d" % (otherRunX,otherRunY,otherRunZ, testRunX,testRunY,testRunZ ));
#else:
#ret = ("%d_%d_%d vs %d_%d_%d" % (testRunX,testRunY,testRunZ, otherRunX,otherRunY,otherRunZ));
# bi-directional
ret = ("%d_%d_%d vs %d_%d_%d" % (testRunX,testRunY,testRunZ, otherRunX,otherRunY,otherRunZ));
return ret;
def getGridDataId(ix,iy,iz):
outx,outy,outz = (-1,-1,-1)
if dataSet==200 or dataSet==201:
outx = ix * 2;
outy = iy * 2;
outz = iz * 2;
elif dataSet==202:
outx = 1 + ix * 2;
outy = 1 + iy * 2;
outz = 0; # 2 params
elif dataSet==203:
outx = 1 + ix * 2;
outy = 1 + iy * 2;
outz = 0; # 2 params
return (outx,outy,outz)
def loopGrid() :
global lsFactor, wSmooth, wEnergy, wPostBlur;
global maxDist, cgAccuracy, blurSelection;
global gridLoadX, gridLoadY, gridLoadZ;
global gridOtherX, gridOtherY, gridOtherZ;
global gridThirdX, gridThirdY, gridThirdZ;
global doLoadThird, velThird, iDiffThird;
# sanity check for grid single load
#if doSingleSelect and not doOnlyLoad:
#print ("Error, use single load only with load mode"); exit(1);
errAllRuns = 0.
# prepare loop ranges
loopLenZ = 1;
loopLenY = 1;
loopLenX = 1;
if dataSet==200 or dataSet==201:
loopLenZ = 1
loopLenY = 2
loopLenX = 2
if dataSet==202:
loopLenZ = 1
loopLenY = 3
loopLenX = 2
if dataSet==203:
loopLenZ = 1
loopLenY = 3
loopLenX = 2
gridThirdX, gridThirdY, gridThirdZ = (singleSel[6],singleSel[7],singleSel[8])
if doSingleSelect and gridThirdX>=0 and gridThirdY>=0 and gridThirdZ>=0:
print("Loading third data point for interpolation")
doLoadThird = True;
# allocate grids
velThird = solv.create(VecGrid)
iDiffThird = solv.create(LevelsetGrid)
# fix params
maxDist = 20
lsFactor = 0.1
wSmooth = 0.01
wEnergy = 0.0005
#wPostBlur = 2
wPostBlur = 6
#cgAccuracy = 0.003 # doesnt pay off
cgAccuracy = 0.03
blurSelection = 1
#cgAccuracy = 11.11 # NT DEBUG off
gv = {};
# main loop, vary parameters
for testRunZ in range(0,loopLenZ):
for testRunY in range(0,loopLenY):
for testRunX in range(0,loopLenX):
# calculate offsets into data
gridLoadX, gridLoadY, gridLoadZ = getGridDataId(testRunX,testRunY,testRunZ );
for otherRunZ in range(0,loopLenZ):
for otherRunY in range(0,loopLenY):
for otherRunX in range(0,loopLenX):
if 1 and testRunX==otherRunX and testRunY==otherRunY and testRunZ==otherRunZ:
continue;
#gridOtherX = otherRunX * 2; gridOtherY = otherRunY * 2; gridOtherZ = otherRunZ * 2;
gridOtherX, gridOtherY, gridOtherZ = getGridDataId(otherRunX,otherRunY,otherRunZ );
#print( "\ngridSearch (%d %d %d) -> (%d %d %d) "%(testRunX,testRunY,testRunZ, otherRunX,otherRunY,otherRunZ) )
#print( " sel (%d %d %d) -> (%d %d %d) "%(singleSel[0],singleSel[1],singleSel[2],singleSel[3],singleSel[4],singleSel[5]) );
if (not doSingleSelect) or (doSingleSelect and checkSingleSelect(testRunX,testRunY,testRunZ, otherRunX,otherRunY,otherRunZ) ):
#print( "\ngridSearch (%d %d %d) -> (%d %d %d) "%(testRunX,testRunY,testRunZ, otherRunX,otherRunY,otherRunZ) )
print( "\ngridSearch (%d %d %d) -> (%d %d %d) "%(gridLoadX,gridLoadY,gridLoadZ, gridOtherX,gridOtherY,gridOtherZ) )
runSeq();
# store error
print( idString(testRunX,testRunY,testRunZ, otherRunX,otherRunY,otherRunZ) );
gv[ idString(testRunX,testRunY,testRunZ, otherRunX,otherRunY,otherRunZ) ] = accuAvgErr;
errAllRuns = errAllRuns + accuAvgErr;
# sub loop done
# main loop done
if not doOnlyLoad:
if 0:
print( "\nResults:");
for item in gv:
print("%s: %f" % (item, gv[item]));
if 1:
sorted_list = [x for x in gv.iteritems()]
sorted_list.sort(key=lambda x: x[0]) # sort by id string
#sorted_list.sort(key=lambda x: x[1]) # sort by value
#sorted_list.reverse() # to reverse the sort
print( "\nResults sorted:");
for item in sorted_list:
print("%s: %f" % (item[0], item[1]));
print( "\nTotal added err: %f"%(errAllRuns));
# grid done
############################################################################################################################
# select loop type
if dataSet<200:
loopParamSearch();
else:
loopGrid();
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