// btkSetAnalogDescription(h, i, newLabel)
// btkSetAnalogDescription(h, label, newLabel)
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
if(nrhs < 3)
mexErrMsgTxt("Three inputs required.");
if (nlhs > 2)
mexErrMsgTxt("Too many output arguments.");
if (!mxIsChar(prhs[2]) || mxIsEmpty(prhs[2]))
mexErrMsgTxt("Analog's description must be a non-empty string.");
btk::Acquisition::Pointer acq = btk_MOH_get_object<btk::Acquisition>(prhs[0]);
btk::Analog::Pointer analog = btkMXGetAnalog(acq, nrhs, prhs);
size_t strlen_ = (mxGetM(prhs[2]) * mxGetN(prhs[2]) * sizeof(mxChar)) + 1;
char* newDesc = (char*)mxMalloc(strlen_);
mxGetString(prhs[2], newDesc, strlen_);
analog->SetDescription(newDesc);
mxFree(newDesc);
// Return updated analog channels
btkMXCreateAnalogsStructure(acq, nlhs, plhs);
};
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
if (nrhs != 3)
mexErrMsgTxt("Three inputs required.");
if (nlhs > 2)
mexErrMsgTxt("Too many output arguments.");
if ((mxGetClassID(prhs[2]) != mxDOUBLE_CLASS) || mxIsEmpty(prhs[2]) || mxIsComplex(prhs[2]))
mexErrMsgTxt("The third input must be a vector of real (double) values corresponding to the data of one analog channel.");
btk::Acquisition::Pointer acq = btk_MOH_get_object<btk::Acquisition>(prhs[0]);
btk::Analog::Pointer analog = btkMXGetAnalog(acq, nrhs, prhs);
int numberOfFrames = analog->GetFrameNumber();
if (mxGetNumberOfElements(prhs[2]) != numberOfFrames)
mexErrMsgTxt("The third input doesn't have the same number of element than the number of analog frames.");
double* values = mxGetPr(prhs[2]);
for (int i = 0 ; i < numberOfFrames ; ++i)
analog->GetValues().coeffRef(i) = values[i];
// Return updated analog channels
btkMXCreateAnalogsStructure(acq, nlhs, plhs);
};
