void Matrix_drawSliceY (Matrix me, Graphics g, double x, double ymin, double ymax, double min, double max) {
if (x < my xmin || x > my xmax) {
return;
}
long ix = Matrix_xToNearestColumn (me, x);
if (ymax <= ymin) {
ymin = my ymin;
ymax = my ymax;
}
long iymin, iymax;
long ny = Matrix_getWindowSamplesY (me, ymin, ymax, &iymin, &iymax);
if (ny < 1) {
return;
}
if (max <= min) {
Matrix_getWindowExtrema (me, ix, ix, iymin, iymax, &min, &max);
}
if (max <= min) {
min -= 0.5; max += 0.5;
}
autoNUMvector<double> y (iymin, iymax);
Graphics_setWindow (g, ymin, ymax, min, max);
Graphics_setInner (g);
for (long i = iymin; i <= iymax; i++) {
y[i] = my z[i][ix];
}
Graphics_function (g, y.peek(), iymin, iymax, Matrix_rowToY (me, iymin), Matrix_rowToY (me, iymax));
Graphics_unsetInner (g);
}
void BandFilterSpectrogram_drawSpectrumAtNearestTimeSlice (BandFilterSpectrogram me, Graphics g, double time, double fmin, double fmax, double dBmin, double dBmax, int garnish) {
if (time < my xmin || time > my xmax) {
return;
}
if (fmin == 0 && fmax == 0) { // autoscaling
fmin = my ymin; fmax = my ymax;
}
if (fmax <= fmin) {
fmin = my ymin; fmax = my ymax;
}
long icol = Matrix_xToNearestColumn (me, time);
icol = icol < 1 ? 1 : (icol > my nx ? my nx : icol);
autoNUMvector<double> spectrum (1, my ny);
for (long i = 1; i <= my ny; i++) {
spectrum[i] = my v_getValueAtSample (icol, i, 1); // dB's
}
long iymin, iymax;
if (Matrix_getWindowSamplesY (me, fmin, fmax, &iymin, &iymax) < 2) { // too few values
return;
}
if (dBmin == dBmax) { // autoscaling
dBmin = spectrum[iymin]; dBmax = dBmin;
for (long i = iymin + 1; i <= iymax; i++) {
if (spectrum[i] < dBmin) {
dBmin = spectrum[i];
} else if (spectrum[i] > dBmax) {
dBmax = spectrum[i];
}
}
if (dBmin == dBmax) {
dBmin -= 1; dBmax += 1;
}
}
Graphics_setWindow (g, fmin, fmax, dBmin, dBmax);
Graphics_setInner (g);
double x1 = my y1 + (iymin -1) * my dy, y1 = spectrum[iymin];
for (long i = iymin + 1; i <= iymax - 1; i++) {
double x2 = my y1 + (i -1) * my dy, y2 = spectrum[i];
double xo1, yo1, xo2, yo2;
if (NUMclipLineWithinRectangle (x1, y1, x2, y2, fmin, dBmin, fmax, dBmax, &xo1, &yo1, &xo2, &yo2)) {
Graphics_line (g, xo1, yo1, xo2, yo2);
}
x1 = x2; y1 = y2;
}
Graphics_unsetInner (g);
if (garnish) {
Graphics_drawInnerBox (g);
Graphics_marksBottom (g, 2, 1, 1, 0);
Graphics_marksLeft (g, 2, 1, 1, 0);
Graphics_textLeft (g, 1, U"Power (dB)");
Graphics_textBottom (g, 1, Melder_cat (U"Frequency (", my v_getFrequencyUnit (), U")"));
}
}
Any Cochleagram_to_Excitation (I, double t)
{
iam (Cochleagram);
long column = Matrix_xToNearestColumn (me, t), ifreq;
Excitation thee;
if (column < 1) column = 1;
if (column > my nx) column = my nx;
thee = Excitation_create (my dy, my ny);
if (! thee) return NULL;
for (ifreq = 1; ifreq <= my ny; ifreq ++)
thy z [1] [ifreq] = my z [ifreq] [column];
return thee;
}
autoExcitation Cochleagram_to_Excitation (Cochleagram me, double t) {
try {
long column = Matrix_xToNearestColumn (me, t);
if (column < 1) column = 1;
if (column > my nx) column = my nx;
autoExcitation thee = Excitation_create (my dy, my ny);
for (long ifreq = 1; ifreq <= my ny; ifreq ++)
thy z [1] [ifreq] = my z [ifreq] [column];
return thee;
} catch (MelderError) {
Melder_throw (me, U": slice at time ", t, U" seconds not extracted to Excitation.");
}
}
