C++ (Cpp) DepthGenerator::GetDeviceMaxDepth Examples

Example #1

File: main.cpp Project: DaikiMaekawa/openni_sandbox

// デプスのヒストグラムを作成
depth_hist getDepthHistgram(const xn::DepthGenerator& depth,
                            const xn::DepthMetaData& depthMD)
{
  // デプスの傾向を計算する(アルゴリズムはNiSimpleViewer.cppを利用)
  const int MAX_DEPTH = depth.GetDeviceMaxDepth();
  depth_hist depthHist(MAX_DEPTH);

  unsigned int points = 0;
  const XnDepthPixel* pDepth = depthMD.Data();
  for (XnUInt y = 0; y < depthMD.YRes(); ++y) {
    for (XnUInt x = 0; x < depthMD.XRes(); ++x, ++pDepth) {
      if (*pDepth != 0) {
        depthHist[*pDepth]++;
        points++;
      }
    }
  }

  for (int i = 1; i < MAX_DEPTH; ++i) {
    depthHist[i] += depthHist[i-1];
  }

  if ( points != 0) {
    for (int i = 1; i < MAX_DEPTH; ++i) {
      depthHist[i] =
        (unsigned int)(256 * (1.0f - (depthHist[i] / points)));
    }
  }

  return depthHist;
}

Example #2

File: cap_openni.cpp Project: AndreSteenveld/opencv

double CvCapture_OpenNI::getDepthGeneratorProperty( int propIdx )
{
    double propValue = 0;
    if( !depthGenerator.IsValid() )
        return propValue;

    XnMapOutputMode mode;

    switch( propIdx )
    {
    case CV_CAP_PROP_OPENNI_GENERATOR_PRESENT :
        CV_DbgAssert( depthGenerator.IsValid() );
        propValue = 1.;
        break;
    case CV_CAP_PROP_FRAME_WIDTH :
        if( depthGenerator.GetMapOutputMode(mode) == XN_STATUS_OK )
            propValue = mode.nXRes;
        break;
    case CV_CAP_PROP_FRAME_HEIGHT :
        if( depthGenerator.GetMapOutputMode(mode) == XN_STATUS_OK )
            propValue = mode.nYRes;
        break;
    case CV_CAP_PROP_FPS :
        if( depthGenerator.GetMapOutputMode(mode) == XN_STATUS_OK )
            propValue = mode.nFPS;
        break;
    case CV_CAP_PROP_OPENNI_FRAME_MAX_DEPTH :
        propValue = depthGenerator.GetDeviceMaxDepth();
        break;
    case CV_CAP_PROP_OPENNI_BASELINE :
        propValue = baseline;
        break;
    case CV_CAP_PROP_OPENNI_FOCAL_LENGTH :
        propValue = (double)depthFocalLength_VGA;
        break;
    case CV_CAP_PROP_OPENNI_REGISTRATION :
        propValue = depthGenerator.GetAlternativeViewPointCap().IsViewPointAs(imageGenerator) ? 1.0 : 0.0;
        break;
    case CV_CAP_PROP_POS_MSEC :
        propValue = depthGenerator.GetTimestamp();
        break;
    case CV_CAP_PROP_POS_FRAMES :
        propValue = depthGenerator.GetFrameID();
        break;
    default :
    {
        std::stringstream ss;
        ss << "Depth generator does not support such parameter (propIdx=" << propIdx << ") for getting.\n";
        CV_Error( CV_StsBadArg, ss.str().c_str() );
    }
    }

    return propValue;
}

Example #3

File: XnFileDevice.cpp Project: RikeshThapa/VirtueX

XnStatus XnFileDevice::UpdateS2DTables(const xn::DepthGenerator& depth)
{
    XnStatus nRetVal = XN_STATUS_OK;

    XnUInt64 nTemp;
    XnDouble dTemp;

    // get config
    XnShiftToDepthConfig config;

    nRetVal = depth.GetIntProperty(XN_STREAM_PROPERTY_ZERO_PLANE_DISTANCE, nTemp);
    XN_IS_STATUS_OK(nRetVal);
    config.nZeroPlaneDistance = (XnDepthPixel)nTemp;

    nRetVal = depth.GetRealProperty(XN_STREAM_PROPERTY_ZERO_PLANE_PIXEL_SIZE, dTemp);
    XN_IS_STATUS_OK(nRetVal);
    config.fZeroPlanePixelSize = (XnFloat)dTemp;

    nRetVal = depth.GetRealProperty(XN_STREAM_PROPERTY_EMITTER_DCMOS_DISTANCE, dTemp);
    XN_IS_STATUS_OK(nRetVal);
    config.fEmitterDCmosDistance = (XnFloat)dTemp;

    nRetVal = depth.GetIntProperty(XN_STREAM_PROPERTY_MAX_SHIFT, nTemp);
    XN_IS_STATUS_OK(nRetVal);
    config.nDeviceMaxShiftValue = (XnUInt32)nTemp;

    config.nDeviceMaxDepthValue = depth.GetDeviceMaxDepth();

    nRetVal = depth.GetIntProperty(XN_STREAM_PROPERTY_CONST_SHIFT, nTemp);
    XN_IS_STATUS_OK(nRetVal);
    config.nConstShift = (XnUInt32)nTemp;

    nRetVal = depth.GetIntProperty(XN_STREAM_PROPERTY_PIXEL_SIZE_FACTOR, nTemp);
    XN_IS_STATUS_OK(nRetVal);
    config.nPixelSizeFactor = (XnUInt32)nTemp;

    nRetVal = depth.GetIntProperty(XN_STREAM_PROPERTY_PARAM_COEFF, nTemp);
    XN_IS_STATUS_OK(nRetVal);
    config.nParamCoeff = (XnUInt32)nTemp;

    nRetVal = depth.GetIntProperty(XN_STREAM_PROPERTY_SHIFT_SCALE, nTemp);
    XN_IS_STATUS_OK(nRetVal);
    config.nShiftScale = (XnUInt32)nTemp;

    config.nDepthMinCutOff = 0;
    config.nDepthMaxCutOff = (XnDepthPixel)config.nDeviceMaxDepthValue;

    if (!m_ShiftToDepth.bIsInitialized)
    {
        nRetVal = XnShiftToDepthInit(&m_ShiftToDepth, &config);
        XN_IS_STATUS_OK(nRetVal);
    }
    else
    {
        nRetVal = XnShiftToDepthUpdate(&m_ShiftToDepth, &config);
        XN_IS_STATUS_OK(nRetVal);
    }

    // notify
    nRetVal = m_pNotifications->OnNodeGeneralPropChanged(m_pNotificationsCookie, depth.GetName(), XN_STREAM_PROPERTY_S2D_TABLE, m_ShiftToDepth.nShiftsCount * sizeof(XnDepthPixel), m_ShiftToDepth.pShiftToDepthTable);
    XN_IS_STATUS_OK(nRetVal);

    nRetVal = m_pNotifications->OnNodeGeneralPropChanged(m_pNotificationsCookie, depth.GetName(), XN_STREAM_PROPERTY_D2S_TABLE, m_ShiftToDepth.nDepthsCount * sizeof(XnUInt16), m_ShiftToDepth.pDepthToShiftTable);
    XN_IS_STATUS_OK(nRetVal);

    return (XN_STATUS_OK);
}