Example #1
0
/*
** watch out for false advertising!
*/
void
_coilKind7TensorFilterSelf(coil_t *delta, coil_t **iv3, 
                           double spacing[3],
                           double parm[COIL_PARMS_NUM]) {
  coil_t hess[7], rspX, rspY, rspZ, parm0;
  float eval[3], evec[9], tens[7], lin;

  rspX = AIR_CAST(coil_t, 1.0/spacing[0]);
  rspY = AIR_CAST(coil_t, 1.0/spacing[1]);
  rspZ = AIR_CAST(coil_t, 1.0/spacing[2]);
  TENS(tens, iv3);
  tenEigensolve_f(eval, evec, tens);
  lin = (eval[0] - eval[1])/(eval[0] - eval[2] + 0.000001f);
  TEN_T3V_OUTER(tens, evec + 3*0);
  delta[0] = 0;
  parm0 = AIR_CAST(coil_t, parm[0]);
  HESS(hess, iv3, 1, rspX, rspY, rspZ); delta[1] = lin*parm0*tens[0]*TEN_T_DOT(hess, tens);
  HESS(hess, iv3, 2, rspX, rspY, rspZ); delta[2] = lin*parm0*tens[0]*TEN_T_DOT(hess, tens);
  HESS(hess, iv3, 3, rspX, rspY, rspZ); delta[3] = lin*parm0*tens[0]*TEN_T_DOT(hess, tens);
  HESS(hess, iv3, 4, rspX, rspY, rspZ); delta[4] = lin*parm0*tens[0]*TEN_T_DOT(hess, tens);
  HESS(hess, iv3, 5, rspX, rspY, rspZ); delta[5] = lin*parm0*tens[0]*TEN_T_DOT(hess, tens);
  HESS(hess, iv3, 6, rspX, rspY, rspZ); delta[6] = lin*parm0*tens[0]*TEN_T_DOT(hess, tens);
}
Example #2
0
void
_coilKind7TensorFilterFinish(coil_t *delta, coil_t **iv3, 
                             double spacing[3],
                             double parm[COIL_PARMS_NUM]) {
  coil_t rspX, rspY, rspZ,
    rspsqX, rspsqY, rspsqZ;
  double eval[3], evec[9], tens[7], tengrad[21], grad[3], LL, KK,
    cnd,
    dmu1[7], dmu2[7], dskw[7], phi3[7];

  rspX = AIR_CAST(coil_t, 1.0/spacing[0]); rspsqX = rspX*rspX;
  rspY = AIR_CAST(coil_t, 1.0/spacing[1]); rspsqY = rspY*rspY;
  rspZ = AIR_CAST(coil_t, 1.0/spacing[2]); rspsqZ = rspZ*rspZ;
  TENS(tens, iv3);
  TENGRAD(tengrad, iv3, rspX, rspY, rspZ);
  tenEigensolve_d(eval, evec, tens);
  tenInvariantGradientsK_d(dmu1, dmu2, dskw, tens, 0.000001);
  tenRotationTangents_d(NULL, NULL, phi3, evec);
  /* \midhat{\nabla} \mu_1 ----------------- */
  ELL_3V_SET(grad,
             TEN_T_DOT(dmu1, tengrad + 0*7),
             TEN_T_DOT(dmu1, tengrad + 1*7),
             TEN_T_DOT(dmu1, tengrad + 2*7));
  LL = ELL_3V_DOT(grad,grad);
  KK = parm[1]*parm[1];
  cnd = _COIL_CONDUCT(LL, KK);
  /* \midhat{\nabla} \mu_2 ----------------- */
  ELL_3V_SET(grad,
             TEN_T_DOT(dmu2, tengrad + 0*7),
             TEN_T_DOT(dmu2, tengrad + 1*7),
             TEN_T_DOT(dmu2, tengrad + 2*7));
  LL = ELL_3V_DOT(grad,grad);
  KK = parm[2]*parm[2];
  cnd *= _COIL_CONDUCT(LL, KK);
  /* \midhat{\nabla} \skw and twist! ----------------- */
  ELL_3V_SET(grad,
             TEN_T_DOT(dskw, tengrad + 0*7),
             TEN_T_DOT(dskw, tengrad + 1*7),
             TEN_T_DOT(dskw, tengrad + 2*7));
  LL = ELL_3V_DOT(grad,grad);
  ELL_3V_SET(grad,
             TEN_T_DOT(phi3, tengrad + 0*7),
             TEN_T_DOT(phi3, tengrad + 1*7),
             TEN_T_DOT(phi3, tengrad + 2*7));
  LL += ELL_3V_DOT(grad,grad);
  KK = AIR_CAST(coil_t, parm[3]*parm[3]);
  cnd *= _COIL_CONDUCT(LL, KK); 
  delta[0]= 0.0f;
  delta[1]= AIR_CAST(coil_t, parm[0]*cnd*LAPL(iv3, 1, rspsqX, rspsqY, rspsqZ));
  delta[2]= AIR_CAST(coil_t, parm[0]*cnd*LAPL(iv3, 2, rspsqX, rspsqY, rspsqZ));
  delta[3]= AIR_CAST(coil_t, parm[0]*cnd*LAPL(iv3, 3, rspsqX, rspsqY, rspsqZ));
  delta[4]= AIR_CAST(coil_t, parm[0]*cnd*LAPL(iv3, 4, rspsqX, rspsqY, rspsqZ));
  delta[5]= AIR_CAST(coil_t, parm[0]*cnd*LAPL(iv3, 5, rspsqX, rspsqY, rspsqZ));
  delta[6]= AIR_CAST(coil_t, parm[0]*cnd*LAPL(iv3, 6, rspsqX, rspsqY, rspsqZ));
}
void
_tenGageAnswer (gageContext *ctx, gagePerVolume *pvl) {
  /* char me[]="_tenGageAnswer"; */
  gage_t epsilon=1.0E-10f;
  gage_t *tenAns, *evalAns, *evecAns, *vecTmp=NULL,
    *gradDtA=NULL, *gradDtB=NULL, *gradDtC=NULL,
    *gradDtD=NULL, *gradDtE=NULL, *gradDtF=NULL,
    gradDdXYZ[21]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
    *gradCbS=NULL, *gradCbB=NULL, *gradCbQ=NULL, *gradCbR=NULL;
  gage_t tmp0, tmp1, magTmp=0,
    gradCbA[3]={0,0,0}, gradCbC[3]={0,0,0},
    dtA=0, dtB=0, dtC=0, dtD=0, dtE=0, dtF=0,
    cbQQQ=0, cbQ=0, cbR=0, cbA=0, cbB=0, cbC=0, cbS=0;

#if !GAGE_TYPE_FLOAT
  int ci;
  float evalAnsF[3], aniso[TEN_ANISO_MAX+1];
#endif

  tenAns = pvl->directAnswer[tenGageTensor];
  evalAns = pvl->directAnswer[tenGageEval];
  evecAns = pvl->directAnswer[tenGageEvec];
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageTensor)) {
    /* done if doV */
    tenAns[0] = AIR_CLAMP(0.0f, tenAns[0], 1.0f);
    dtA = tenAns[1];
    dtB = tenAns[2];
    dtC = tenAns[3];
    dtD = tenAns[4];
    dtE = tenAns[5];
    dtF = tenAns[6];
    if (ctx->verbose) {
      fprintf(stderr, "tensor = (%g) %g %g %g   %g %g   %g\n", tenAns[0],
              dtA, dtB, dtC, dtD, dtE, dtF);
    }
  }
  /* done if doV 
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageConfidence)) {
  }
  */
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageTrace)) {
    cbA = -(pvl->directAnswer[tenGageTrace][0] = dtA + dtD + dtF);
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageB)) {
    cbB = pvl->directAnswer[tenGageB][0] = 
      dtA*dtD + dtA*dtF + dtD*dtF - dtB*dtB - dtC*dtC - dtE*dtE;
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageDet)) {
    cbC = -(pvl->directAnswer[tenGageDet][0] = 
            2.0f*dtB*dtC*dtE + dtA*dtD*dtF 
            - dtC*dtC*dtD - dtA*dtE*dtE - dtB*dtB*dtF);
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageS)) {
    cbS = (pvl->directAnswer[tenGageS][0] = 
           dtA*dtA + dtD*dtD + dtF*dtF
           + 2.0f*dtB*dtB + 2.0f*dtC*dtC + 2.0f*dtE*dtE);
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageQ)) {
    cbQ = pvl->directAnswer[tenGageQ][0] = (cbS - cbB)/9.0f;
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageFA)) {
    pvl->directAnswer[tenGageFA][0] =
      AIR_CAST(gage_t, 3*sqrt(cbQ/(epsilon + cbS)));
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageR)) {
    cbR = pvl->directAnswer[tenGageR][0] =
      (5.0f*cbA*cbB - 27.0f*cbC - 2.0f*cbA*cbS)/54.0f;
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageTheta)) {
    cbQQQ = cbQ*cbQ*cbQ;
    tmp0 = AIR_CAST(gage_t, cbR/(epsilon + sqrt(cbQQQ)));
    tmp0 = AIR_CLAMP(-1.0f, tmp0, 1.0f);
    pvl->directAnswer[tenGageTheta][0] = AIR_CAST(gage_t, acos(tmp0)/AIR_PI);
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageEvec)) {
    /* we do the longer process to get eigenvectors, and in the process
       we always find the eigenvalues, whether or not they were asked for */
#if GAGE_TYPE_FLOAT
    tenEigensolve_f(evalAns, evecAns, tenAns);
#else
    tenEigensolve_d(evalAns, evecAns, tenAns);
#endif
  } else if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageEval)) {
    /* else eigenvectors are NOT needed, but eigenvalues ARE needed */
#if GAGE_TYPE_FLOAT
    tenEigensolve_f(evalAns, NULL, tenAns);
#else
    tenEigensolve_d(evalAns, NULL, tenAns);
#endif
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageTensorGrad)) {
    /* done if doD1 */
    /* still have to set up pointer variables that item answers
       below will rely on as short-cuts */
    vecTmp = pvl->directAnswer[tenGageTensorGrad];
    gradDtA = vecTmp + 1*3;
    gradDtB = vecTmp + 2*3;
    gradDtC = vecTmp + 3*3;
    gradDtD = vecTmp + 4*3;
    gradDtE = vecTmp + 5*3;
    gradDtF = vecTmp + 6*3;
    TEN_T_SET(gradDdXYZ + 0*7, tenAns[0],
              gradDtA[0], gradDtB[0], gradDtC[0],
              gradDtD[0], gradDtE[0],
              gradDtF[0]);
    TEN_T_SET(gradDdXYZ + 1*7, tenAns[0],
              gradDtA[1], gradDtB[1], gradDtC[1],
              gradDtD[1], gradDtE[1],
              gradDtF[1]);
    TEN_T_SET(gradDdXYZ + 2*7, tenAns[0],
              gradDtA[2], gradDtB[2], gradDtC[2],
              gradDtD[2], gradDtE[2],
              gradDtF[2]);
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageTensorGradMag)) {
    vecTmp = pvl->directAnswer[tenGageTensorGradMag];
    vecTmp[0] = AIR_CAST(gage_t, sqrt(TEN_T_DOT(gradDdXYZ + 0*7,
                                                gradDdXYZ + 0*7)));
    vecTmp[1] = AIR_CAST(gage_t, sqrt(TEN_T_DOT(gradDdXYZ + 1*7,
                                                gradDdXYZ + 1*7)));
    vecTmp[2] = AIR_CAST(gage_t, sqrt(TEN_T_DOT(gradDdXYZ + 2*7,
                                                gradDdXYZ + 2*7)));
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageTensorGradMag)) {
    pvl->directAnswer[tenGageTensorGradMagMag][0] =
      AIR_CAST(gage_t, ELL_3V_LEN(vecTmp));
  }

  /* --- Trace --- */
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageTraceGradVec)) {
    vecTmp = pvl->directAnswer[tenGageTraceGradVec];
    ELL_3V_ADD3(vecTmp, gradDtA, gradDtD, gradDtF);
    ELL_3V_SCALE(gradCbA, -1, vecTmp);

  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageTraceGradMag)) {
    magTmp = pvl->directAnswer[tenGageTraceGradMag][0] =
      AIR_CAST(gage_t, ELL_3V_LEN(vecTmp));
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageTraceNormal)) {
    ELL_3V_SCALE(pvl->directAnswer[tenGageTraceNormal],
                 1.0f/(epsilon + magTmp), vecTmp);
  }
  /* --- B --- */
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageBGradVec)) {
    gradCbB = vecTmp = pvl->directAnswer[tenGageBGradVec];
    ELL_3V_SCALE_ADD6(vecTmp, 
                      dtD + dtF, gradDtA,
                      -2.0f*dtB, gradDtB,
                      -2.0f*dtC, gradDtC,
                      dtA + dtF, gradDtD,
                      -2.0f*dtE, gradDtE,
                      dtA + dtD, gradDtF);
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageBGradMag)) {
    magTmp = pvl->directAnswer[tenGageBGradMag][0] =
      AIR_CAST(gage_t, ELL_3V_LEN(vecTmp));
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageBNormal)) {
    ELL_3V_SCALE(pvl->directAnswer[tenGageBNormal],
                 1.0f/(epsilon + magTmp), vecTmp);
  }
  /* --- Det --- */
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageDetGradVec)) {
    vecTmp = pvl->directAnswer[tenGageDetGradVec];
    ELL_3V_SCALE_ADD6(vecTmp,
                      dtD*dtF - dtE*dtE, gradDtA,
                      2.0f*(dtC*dtE - dtB*dtF), gradDtB,
                      2.0f*(dtB*dtE - dtC*dtD), gradDtC,
                      dtA*dtF - dtC*dtC, gradDtD,
                      2.0f*(dtB*dtC - dtA*dtE), gradDtE,
                      dtA*dtD - dtB*dtB, gradDtF);
    ELL_3V_SCALE(gradCbC, -1, vecTmp);
  }
  if (GAGE_QUERY_ITEM_TEST(pvl->query, tenGageDetGradMag)) {
    magTmp = pvl->directAnswer[tenGageDetGradMag][0] =
      AIR_CAST(float, ELL_3V_LEN(vecTmp));
  }