Exemple #1
0
/// Returns signed 2 theta (signed scattering angle w.r.t. to beam direction).
double
DetectorInfo::signedTwoTheta(const std::pair<size_t, size_t> &index) const {
  if (isMonitor(index))
    throw std::logic_error(
        "Two theta (scattering angle) is not defined for monitors.");

  const auto samplePos = samplePosition();
  const auto beamLine = samplePos - sourcePosition();

  if (beamLine.nullVector()) {
    throw Kernel::Exception::InstrumentDefinitionError(
        "Source and sample are at same position!");
  }
  // Get the axis defining the sign
  const auto &instrumentUpAxis =
      m_instrument->getReferenceFrame()->vecThetaSign();

  const auto sampleDetVec = position(index) - samplePos;
  double angle = sampleDetVec.angle(beamLine);

  const auto cross = beamLine.cross_prod(sampleDetVec);
  const auto normToSurface = beamLine.cross_prod(instrumentUpAxis);
  if (normToSurface.scalar_prod(cross) < 0) {
    angle *= -1;
  }
  return angle;
}
void InstrumentRenderer::drawSingleDetector(size_t detIndex, bool picking) {
  const auto &compInfo = m_actor.componentInfo();
  if (picking)
    m_pickColors[detIndex].paint();
  else
    m_colors[detIndex].paint();
  glPushMatrix();
  // Translate
  auto pos = compInfo.position(detIndex);
  if (!pos.nullVector())
    glTranslated(pos[0], pos[1], pos[2]);

  // Rotate
  auto rot = compInfo.rotation(detIndex);
  if (!rot.isNull()) {
    double deg, ax0, ax1, ax2;
    rot.getAngleAxis(deg, ax0, ax1, ax2);
    glRotated(deg, ax0, ax1, ax2);
  }

  // Scale
  auto scale = compInfo.scaleFactor(detIndex);
  if (scale != Mantid::Kernel::V3D(1, 1, 1))
    glScaled(scale[0], scale[1], scale[2]);

  compInfo.shape(detIndex).draw();
  glPopMatrix();
}
Exemple #3
0
/// Returns 2 theta (scattering angle w.r.t. to beam direction).
double DetectorInfo::twoTheta(const std::pair<size_t, size_t> &index) const {
  if (isMonitor(index))
    throw std::logic_error(
        "Two theta (scattering angle) is not defined for monitors.");

  const auto samplePos = samplePosition();
  const auto beamLine = samplePos - sourcePosition();

  if (beamLine.nullVector()) {
    throw Kernel::Exception::InstrumentDefinitionError(
        "Source and sample are at same position!");
  }

  const auto sampleDetVec = position(index) - samplePos;
  return sampleDetVec.angle(beamLine);
}
Exemple #4
0
static void leaveBootloader()
{
    statusLedOff();
    cli();
    boot_rww_enable();
    USB_INTR_ENABLE = 0;
    USB_INTR_CFG = 0;       /* also reset config bits */

    GICR = (1 << IVCE);     /* enable change of interrupt vectors */
    GICR = (0 << IVSEL);    /* move interrupts to application flash section */
    /* We must go through a global function pointer variable instead of writing
     *  ((void (*)(void))0)();
     * because the compiler optimizes a constant 0 to "rcall 0" which is not
     * handled correctly by the assembler.
     */
    nullVector();
}
Exemple #5
0
static inline __attribute__((noreturn)) void leaveBootloader(void)
{
    DBG1(0x01, 0, 0);
    bootLoaderExit();
    cli();
    USB_INTR_ENABLE = 0;
    USB_INTR_CFG = 0;       /* also reset config bits */

#ifdef TINY85MODE
	// make sure remainder of flash is erased and write checksum and application reset vectors
    if(appWriteComplete)
    {
        CURRENT_ADDRESS = writeSize;
        while(CURRENT_ADDRESS < BOOTLOADER_ADDRESS)
        {
            fillFlashWithVectors();
        }
    }
#else
    GICR = (1 << IVCE);     /* enable change of interrupt vectors */
    GICR = (0 << IVSEL);    /* move interrupts to application flash section */
#endif

    // TODO: watchdog reset instead to reset registers?
#ifdef APPCHECKSUM
    if(!testForValidApplication())
        asm volatile ("rjmp __vectors");
#endif

#ifdef TINY85MODE
    // clear magic word from bottom of stack before jumping to the app
    *(uint8_t*)(RAMEND) = 0x00;
    *(uint8_t*)(RAMEND-1) = 0x00;

    // jump to application reset vector at end of flash
    asm volatile ("rjmp __vectors - 4");
#else
/* We must go through a global function pointer variable instead of writing
 *  ((void (*)(void))0)();
 * because the compiler optimizes a constant 0 to "rcall 0" which is not
 * handled correctly by the assembler.
 */
    nullVector();
#endif
}
Exemple #6
0
static void leaveBootloader()
{
    uint8_t gicr;

    DBG1(0x01, 0, 0);
    cli();
    boot_rww_enable();
    USB_INTR_ENABLE = 0;
    USB_INTR_CFG = 0;       /* also reset config bits */
#if F_CPU == 12800000
    TCCR0 = 0;              /* default value */
#endif
    gicr = GICR;
    GICR = gicr | (1 << IVCE);   /* enable change of interrupt vectors */
    GICR = gicr & ~(1 << IVSEL); /* move interrupts to application flash section */
    bootLoaderShut();
/* We must go through a global function pointer variable instead of writing
 *  ((void (*)(void))0)();
 * because the compiler optimizes a constant 0 to "rcall 0" which is not
 * handled correctly by the assembler.
 */
    nullVector();
}
inline void computeSphereStress(){
	printf("Computing sphere stress tensor...\n");

	int atom, id1, id2, j;
	Vector atomDistance, atomForce;
	double r, r2;
	double atomArea, atomVolume;
	double sp_1, sp_2, sp_3;

	for (atom = 0; atom < pdbData.atomCount; atom++){
		atomSphereStress[atom].x = 0.0;
		atomSphereStress[atom].y = 0.0;
		atomSphereStress[atom].z = 0.0;
		atomSphereStress[atom].value = 0.0;
	}

	for (atom = 0; atom < pdbData.atomCount; atom++){
		r = 0.0;
		r2 = 0.0;
		copyVector(&atomDistance, nullVector());
		copyVector(&atomForce, nullVector());

		copyVector(&ePhi, DCDtoEphi(X[atom], Y[atom], Z[atom]));
		copyVector(&eTheta, DCDtoEtheta(X[atom], Y[atom], Z[atom]));
		copyVector(&eRad, DCDtoErad(X[atom], Y[atom], Z[atom]));

		for (j = 0; j < bondsCount[atom]; j++){
			id1 = atom, id2 = bonds[atom * MAX_BONDS + j];
			funcParam.refDist = bondsR0[atom * MAX_BONDS + j];
			copyVector(&atomDistance, DCDtoVector(X[id1] - X[id2], Y[id1] - Y[id2], Z[id1] - Z[id2]));
			copyVector(&atomForce, getFENEDerivative_1(atomDistance));
			sp_1 = eTheta.x * atomDistance.x + eTheta.y * atomDistance.y + eTheta.z * atomDistance.z;
			sp_2 = ePhi.x * atomDistance.x + ePhi.y * atomDistance.y + ePhi.z * atomDistance.z;
			sp_3 = eRad.x * atomDistance.x + eRad.y * atomDistance.y + eRad.z * atomDistance.z;
			atomSphereStress[atom].x += 0.5 * atomForce.value/atomDistance.value * (sp_1 * sp_1 + sp_2 * sp_2); //lateral
			atomSphereStress[atom].y += atomForce.value/atomDistance.value * sp_1 * sp_2; //45-shear
			atomSphereStress[atom].z += atomForce.value/atomDistance.value * sp_3 * sp_3; //radial
			r += 1.0/atomDistance.value;
			r2 += 1.0/(atomDistance.value * atomDistance.value);
		}

		for (j = 0; j < nativeCount[atom]; j++){
			id1 = atom; id2 = native[atom * MAX_NATIVE + j];
			funcParam.refDist = nativeR0[atom * MAX_NATIVE + j];
			funcParam.Eh = nativeEh[atom * MAX_NATIVE + j];
			copyVector(&atomDistance, DCDtoVector(X[id1] - X[id2], Y[id1] - Y[id2], Z[id1] - Z[id2]));
			copyVector(&atomForce, getNativeDerivative_1(atomDistance));
			sp_1 = eTheta.x * atomDistance.x + eTheta.y * atomDistance.y + eTheta.z * atomDistance.z;
			sp_2 = ePhi.x * atomDistance.x + ePhi.y * atomDistance.y + ePhi.z * atomDistance.z;
			sp_3 = eRad.x * atomDistance.x + eRad.y * atomDistance.y + eRad.z * atomDistance.z;
			atomSphereStress[atom].x += 0.5 * atomForce.value/atomDistance.value * (sp_1 * sp_1 + sp_2 * sp_2); //lateral
			atomSphereStress[atom].y += atomForce.value/atomDistance.value * sp_1 * sp_2; //45-shear
			atomSphereStress[atom].z += atomForce.value/atomDistance.value * sp_3 * sp_3; //radial
			r += 1.0/atomDistance.value;
			r2 += 1.0/(atomDistance.value * atomDistance.value);
		}

		for (j = 0; j < pairsCount[atom]; j++){
			id1 = atom; id2 = pairs[atom * MAX_PAIRS + j];
			copyVector(&atomDistance, DCDtoVector(X[id1] - X[id2], Y[id1] - Y[id2], Z[id1] - Z[id2]));
			if (atomDistance.value  < pairs_cutoff && id1 != id2 ){
				copyVector(&atomDistance, DCDtoVector(X[id1] - X[id2], Y[id1] - Y[id2], Z[id1] - Z[id2]));
				copyVector(&atomForce, getRepulsiveDerivative_1(atomDistance));
				sp_1 = eTheta.x * atomDistance.x + eTheta.y * atomDistance.y + eTheta.z * atomDistance.z;
				sp_2 = ePhi.x * atomDistance.x + ePhi.y * atomDistance.y + ePhi.z * atomDistance.z;
				sp_3 = eRad.x * atomDistance.x + eRad.y * atomDistance.y + eRad.z * atomDistance.z;
				atomSphereStress[atom].x += 0.5 * atomForce.value/atomDistance.value * (sp_1 * sp_1 + sp_2 * sp_2); //lateral
				atomSphereStress[atom].y += atomForce.value/atomDistance.value * sp_1 * sp_2; //45-shear
				atomSphereStress[atom].z += atomForce.value/atomDistance.value * sp_3 * sp_3; //radial
				r += 1.0/atomDistance.value;
				r2 += 1.0/(atomDistance.value * atomDistance.value);
			}

		}

		atomArea = Pi * (0.5*r/r2) * (0.5*r/r2);
		atomVolume = 4.0/3.0 * Pi * (0.5*r/r2) * (0.5*r/r2) * (0.5*r/r2);
		atomSphereStress[atom].x /= atomArea;
		atomSphereStress[atom].y /= atomArea;
		atomSphereStress[atom].z /= atomVolume;
	}
}