Example #1
0
void AnyTier_removePointsBetween (AnyTier me, double tmin, double tmax) {
	if (my points.size == 0) return;
	long ileft = AnyTier_timeToHighIndex (me, tmin);
	long iright = AnyTier_timeToLowIndex (me, tmax);
	for (long i = iright; i >= ileft; i --)
		my points. removeItem (i);
}
Example #2
0
double RealTier_getArea (I, double tmin, double tmax) {
	iam (RealTier);
	long n = my points -> size, imin, imax;
	RealPoint *points = (RealPoint *) my points -> item;
	if (n == 0) return NUMundefined;
	if (n == 1) return (tmax - tmin) * points [1] -> value;
	imin = AnyTier_timeToLowIndex (me, tmin);
	if (imin == n) return (tmax - tmin) * points [n] -> value;
	imax = AnyTier_timeToHighIndex (me, tmax);
	if (imax == 1) return (tmax - tmin) * points [1] -> value;
	Melder_assert (imin < n);
	Melder_assert (imax > 1);
	/*
	 * Sum the areas between the points.
	 * This works even if imin is 0 (offleft) and/or imax is n + 1 (offright).
	 */
	double area = 0.0;
	for (long i = imin; i < imax; i ++) {
		double tleft, fleft, tright, fright;
		if (i == imin) tleft = tmin, fleft = RealTier_getValueAtTime (me, tmin);
		else tleft = points [i] -> time, fleft = points [i] -> value;
		if (i + 1 == imax) tright = tmax, fright = RealTier_getValueAtTime (me, tmax);
		else tright = points [i + 1] -> time, fright = points [i + 1] -> value;
		area += 0.5 * (fleft + fright) * (tright - tleft);
	}
	return area;
}
Example #3
0
long AnyTier_getWindowPoints (AnyTier me, double tmin, double tmax, long *imin, long *imax) {
	if (my points.size == 0) return 0;
	*imin = AnyTier_timeToHighIndex (me, tmin);
	*imax = AnyTier_timeToLowIndex (me, tmax);
	if (*imax < *imin) return 0;
	return *imax - *imin + 1;
}
Example #4
0
double FormantTier_getValueAtTime (FormantTier me, int iformant, double t) {
	long n = my points -> size;
	if (n == 0 || iformant < 1) return NUMundefined;
	FormantPoint pointRight = (FormantPoint) my points -> item [1];
	if (t <= pointRight -> time) {
		if (iformant > pointRight -> numberOfFormants) return NUMundefined;
		return pointRight -> formant [iformant-1];   /* Constant extrapolation. */
	}
	FormantPoint pointLeft = (FormantPoint) my points -> item [n];
	if (t >= pointLeft -> time) {
		if (iformant > pointLeft -> numberOfFormants) return NUMundefined;
		return pointLeft -> formant [iformant-1];   /* Constant extrapolation. */
	}
	Melder_assert (n >= 2);
	long ileft = AnyTier_timeToLowIndex (me, t), iright = ileft + 1;
	Melder_assert (ileft >= 1 && iright <= n);
	pointLeft = (FormantPoint) my points -> item [ileft];
	pointRight = (FormantPoint) my points -> item [iright];
	double tleft = pointLeft -> time;
	double fleft = iformant > pointLeft -> numberOfFormants ? NUMundefined : pointLeft -> formant [iformant-1];
	double tright = pointRight -> time;
	double fright = iformant > pointRight -> numberOfFormants ? NUMundefined : pointRight -> formant [iformant-1];
	return fleft == NUMundefined ? fright == NUMundefined ? NUMundefined : fright
		: fright == NUMundefined ? fleft
		: t == tright ? fright   /* Be very accurate. */
		: tleft == tright ? 0.5 * (fleft + fright)   /* Unusual, but possible; no preference. */
		: fleft + (t - tleft) * (fright - fleft) / (tright - tleft);   /* Linear interpolation. */
}
Example #5
0
double FormantTier_getValueAtTime (FormantTier me, int iformant, double t) {
	long n = my points.size;
	if (n == 0 || iformant < 1) return NUMundefined;
	FormantPoint pointRight = my points.at [1];
	if (t <= pointRight -> number) {
		if (iformant > pointRight -> numberOfFormants) return NUMundefined;
		return pointRight -> formant [iformant-1];   // constant extrapolation
	}
	FormantPoint pointLeft = my points.at [n];
	if (t >= pointLeft -> number) {
		if (iformant > pointLeft -> numberOfFormants) return NUMundefined;
		return pointLeft -> formant [iformant-1];   // constant extrapolation
	}
	Melder_assert (n >= 2);
	long ileft = AnyTier_timeToLowIndex (me->asAnyTier(), t), iright = ileft + 1;
	Melder_assert (ileft >= 1 && iright <= n);
	pointLeft = my points.at [ileft];
	pointRight = my points.at [iright];
	double tleft = pointLeft -> number;
	double fleft = iformant > pointLeft -> numberOfFormants ? NUMundefined : pointLeft -> formant [iformant-1];
	double tright = pointRight -> number;
	double fright = iformant > pointRight -> numberOfFormants ? NUMundefined : pointRight -> formant [iformant-1];
	return fleft == NUMundefined ? fright == NUMundefined ? NUMundefined : fright
		: fright == NUMundefined ? fleft
		: t == tright ? fright   // be very accurate
		: tleft == tright ? 0.5 * (fleft + fright)   // unusual, but possible; no preference
		: fleft + (t - tleft) * (fright - fleft) / (tright - tleft);   // linear interpolation
}
Example #6
0
void AnyTier_removePointsBetween (I, double tmin, double tmax) {
	iam (AnyTier);
	if (my points -> size == 0) return;
	long ileft = AnyTier_timeToHighIndex (me, tmin);
	long iright = AnyTier_timeToLowIndex (me, tmax);
	for (long i = iright; i >= ileft; i --)
		Collection_removeItem (my points, i);
}
Example #7
0
double RealTier_getStandardDeviation_curve (RealTier me, double tmin, double tmax) {
	long n = my points.size, imin, imax;
	double mean, integral = 0.0;
	if (tmax <= tmin) { tmin = my xmin; tmax = my xmax; }   // autowindow
	if (n == 0) return NUMundefined;
	if (n == 1) return 0.0;
	imin = AnyTier_timeToLowIndex (me->asAnyTier(), tmin);
	if (imin == n) return 0.0;
	imax = AnyTier_timeToHighIndex (me->asAnyTier(), tmax);
	if (imax == 1) return 0.0;
	Melder_assert (imin < n);
	Melder_assert (imax > 1);
	/*
	 * Add the areas between the points.
	 * This works even if imin is 0 (offleft) and/or imax is n + 1 (offright).
	 */
	mean = RealTier_getMean_curve (me, tmin, tmax);
	for (long i = imin; i < imax; i ++) {
		double tleft, fleft, tright, fright, sum, diff;
		if (i == imin) {
			tleft = tmin;
			fleft = RealTier_getValueAtTime (me, tmin);
		} else {
			tleft = my points.at [i] -> number;
			fleft = my points.at [i] -> value - mean;
		}
		if (i + 1 == imax) {
			tright = tmax;
			fright = RealTier_getValueAtTime (me, tmax);
		} else {
			tright = my points.at [i + 1] -> number;
			fright = my points.at [i + 1] -> value - mean;
		}
		/*
		 * The area is integral dt f^2
		 *   = integral dt [f1 + (f2-f1)/(t2-t1) (t-t1)]^2
		 *   = int dt f1^2 + int dt 2 f1 (f2-f1)/(t2-t1) (t-t1) + int dt [(f2-f1)/(t2-t1)]^2 (t-t1)^2
		 *   = f1^2 (t2-t1) + f1 (f2-f1)/(t2-t1) (t2-t1)^2 + 1/3 [(f2-f1)/(t2-t1)]^2 (t2-t1)^3
		 *   = (t2-t1) [f1 f2 + 1/3 (f2-f1)^2]
		 *   = (t2-t1) (f1^2 + f2^2 + 1/3 f1 f2)
		 *   = (t2-t1) [1/4 (f1+f2)^2 + 1/12 (f1-f2)^2]
		 * In the last expression, we have a sum of squares, which is computationally best.
		 */
		sum = fleft + fright;
		diff = fleft - fright;
		integral += (sum * sum + (1.0/3.0) * diff * diff) * (tright - tleft);
	}
	return sqrt (0.25 * integral / (tmax - tmin));
}
Example #8
0
double RealTier_getValueAtTime (RealTier me, double t) {
	long n = my points.size;
	if (n == 0) return NUMundefined;
	RealPoint pointRight = my points.at [1];
	if (t <= pointRight -> number) return pointRight -> value;   // constant extrapolation
	RealPoint pointLeft = my points.at [n];
	if (t >= pointLeft -> number) return pointLeft -> value;   // constant extrapolation
	Melder_assert (n >= 2);
	long ileft = AnyTier_timeToLowIndex (me->asAnyTier(), t), iright = ileft + 1;
	Melder_assert (ileft >= 1 && iright <= n);
	pointLeft = my points.at [ileft];
	pointRight = my points.at [iright];
	double tleft = pointLeft -> number, fleft = pointLeft -> value;
	double tright = pointRight -> number, fright = pointRight -> value;
	return t == tright ? fright   // be very accurate
		: tleft == tright ? 0.5 * (fleft + fright)   // unusual, but possible; no preference
		: fleft + (t - tleft) * (fright - fleft) / (tright - tleft);   // linear interpolation
}
Example #9
0
void PitchTier_Pitch_draw (PitchTier me, Pitch uv, Graphics g,
	double tmin, double tmax, double fmin, double fmax, int nonPeriodicLineType, int garnish, const char32 *method)
{
	long n = my points.size, imin, imax, i;
	if (nonPeriodicLineType == 0) {
		PitchTier_draw (me, g, tmin, tmax, fmin, fmax, garnish, method);
		return;
	}
	if (tmax <= tmin) { tmin = my xmin; tmax = my xmax; }
	Graphics_setWindow (g, tmin, tmax, fmin, fmax);
	Graphics_setInner (g);
	imin = AnyTier_timeToHighIndex (me->asAnyTier(), tmin);
	imax = AnyTier_timeToLowIndex (me->asAnyTier(), tmax);
	if (n == 0) {
	} else if (imax < imin) {
		double fleft = RealTier_getValueAtTime (me, tmin);
		double fright = RealTier_getValueAtTime (me, tmax);
		Pitch_line (uv, g, tmin, fleft, tmax, fright, nonPeriodicLineType);
	} else for (i = imin; i <= imax; i ++) {
		RealPoint point = my points.at [i];
		double t = point -> number, f = point -> value;
		Graphics_speckle (g, t, f);
		if (i == 1)
			Pitch_line (uv, g, tmin, f, t, f, nonPeriodicLineType);
		else if (i == imin)
			Pitch_line (uv, g, t, f, tmin, RealTier_getValueAtTime (me, tmin), nonPeriodicLineType);
		if (i == n)
			Pitch_line (uv, g, t, f, tmax, f, nonPeriodicLineType);
		else if (i == imax)
			Pitch_line (uv, g, t, f, tmax, RealTier_getValueAtTime (me, tmax), nonPeriodicLineType);
		else {
			RealPoint pointRight = my points.at [i + 1];
			Pitch_line (uv, g, t, f, pointRight -> number, pointRight -> value, nonPeriodicLineType);
		}
	}
	Graphics_unsetInner (g);
	if (garnish) {
		Graphics_drawInnerBox (g);
		Graphics_textBottom (g, true, U"Time (s)");
		Graphics_marksBottom (g, 2, true, true, false);
		Graphics_marksLeft (g, 2, true, true, false);
		Graphics_textLeft (g, true, U"Frequency (Hz)");
	}
}
Example #10
0
void RealTier_draw (RealTier me, Graphics g, double tmin, double tmax, double fmin, double fmax,
	int garnish, const char32 *method, const char32 *quantity)
{
	bool drawLines = str32str (method, U"lines") || str32str (method, U"Lines");
	bool drawSpeckles = str32str (method, U"speckles") || str32str (method, U"Speckles");
	long n = my points.size, imin, imax, i;
	if (tmax <= tmin) { tmin = my xmin; tmax = my xmax; }
	Graphics_setWindow (g, tmin, tmax, fmin, fmax);
	Graphics_setInner (g);
	imin = AnyTier_timeToHighIndex (me->asAnyTier(), tmin);
	imax = AnyTier_timeToLowIndex (me->asAnyTier(), tmax);
	if (n == 0) {
	} else if (imax < imin) {
		double fleft = RealTier_getValueAtTime (me, tmin);
		double fright = RealTier_getValueAtTime (me, tmax);
		if (drawLines) Graphics_line (g, tmin, fleft, tmax, fright);
	} else for (i = imin; i <= imax; i ++) {
		RealPoint point = my points.at [i];
		double t = point -> number, f = point -> value;
		if (drawSpeckles) Graphics_speckle (g, t, f);
		if (drawLines) {
			if (i == 1)
				Graphics_line (g, tmin, f, t, f);
			else if (i == imin)
				Graphics_line (g, t, f, tmin, RealTier_getValueAtTime (me, tmin));
			if (i == n)
				Graphics_line (g, t, f, tmax, f);
			else if (i == imax)
				Graphics_line (g, t, f, tmax, RealTier_getValueAtTime (me, tmax));
			else {
				RealPoint pointRight = my points.at [i + 1];
				Graphics_line (g, t, f, pointRight -> number, pointRight -> value);
			}
		}
	}
	Graphics_unsetInner (g);
	if (garnish) {
		Graphics_drawInnerBox (g);
		Graphics_textBottom (g, true, my v_getUnitText (0, 0, 0));
		Graphics_marksBottom (g, 2, true, true, false);
		Graphics_marksLeft (g, 2, true, true, false);
		if (quantity) Graphics_textLeft (g, true, quantity);
	}
}
Example #11
0
double RealTier_getValueAtTime (I, double t) {
	iam (RealTier);
	long n = my points -> size, ileft, iright;
	double tleft, tright, fleft, fright;
	RealPoint pointLeft, pointRight;
	if (n == 0) return NUMundefined;
	pointRight = (structRealPoint *)my points -> item [1];
	if (t <= pointRight -> time) return pointRight -> value;   /* Constant extrapolation. */
	pointLeft = (structRealPoint *)my points -> item [n];
	if (t >= pointLeft -> time) return pointLeft -> value;   /* Constant extrapolation. */
	Melder_assert (n >= 2);
	ileft = AnyTier_timeToLowIndex (me, t), iright = ileft + 1;
	Melder_assert (ileft >= 1 && iright <= n);
	pointLeft = (structRealPoint *)my points -> item [ileft];
	pointRight = (structRealPoint *)my points -> item [iright];
	tleft = pointLeft -> time, fleft = pointLeft -> value;
	tright = pointRight -> time, fright = pointRight -> value;
	return t == tright ? fright   /* Be very accurate. */
		: tleft == tright ? 0.5 * (fleft + fright)   /* Unusual, but possible; no preference. */
		: fleft + (t - tleft) * (fright - fleft) / (tright - tleft);   /* Linear interpolation. */
}
Example #12
0
void FormantTier_speckle (FormantTier me, Graphics g, double tmin, double tmax, double fmax, int garnish) {
	if (tmax <= tmin) { tmin = my xmin; tmax = my xmax; }
	Graphics_setWindow (g, tmin, tmax, 0.0, fmax);
	Graphics_setInner (g);
	long imin = AnyTier_timeToHighIndex (me, tmin);
	long imax = AnyTier_timeToLowIndex (me, tmax);
	if (imin > 0) for (long i = imin; i <= imax; i ++) {
		FormantPoint point = (FormantPoint) my points -> item [i];
		double t = point -> time;
		for (long j = 1; j <= point -> numberOfFormants; j ++) {
			double f = point -> formant [j-1];
			if (f <= fmax) Graphics_speckle (g, t, f);
		}
	}
	Graphics_unsetInner (g);
	if (garnish) {
		Graphics_drawInnerBox (g);
		Graphics_textBottom (g, true, U"Time (s)");
		Graphics_marksBottom (g, 2, true, true, false);
		Graphics_marksLeft (g, 2, true, true, false);
		Graphics_textLeft (g, true, U"Frequency (Hz)");
	}
}
Example #13
0
double RealTier_getArea (RealTier me, double tmin, double tmax) {
	long n = my points.size, imin, imax;
	//RealPoint *points = & my points [0];
	if (n == 0) return NUMundefined;
	if (n == 1) return (tmax - tmin) * my points.at [1] -> value;
	imin = AnyTier_timeToLowIndex (me->asAnyTier(), tmin);
	if (imin == n) return (tmax - tmin) * my points.at [n] -> value;
	imax = AnyTier_timeToHighIndex (me->asAnyTier(), tmax);
	if (imax == 1) return (tmax - tmin) * my points.at [1] -> value;
	Melder_assert (imin < n);
	Melder_assert (imax > 1);
	/*
	 * Sum the areas between the points.
	 * This works even if imin is 0 (offleft) and/or imax is n + 1 (offright).
	 */
	double area = 0.0;
	for (long i = imin; i < imax; i ++) {
		double tleft, fleft, tright, fright;
		if (i == imin) {
			tleft = tmin;
			fleft = RealTier_getValueAtTime (me, tmin);
		} else {
			tleft = my points.at [i] -> number;
			fleft = my points.at [i] -> value;
		}
		if (i + 1 == imax) {
			tright = tmax;
			fright = RealTier_getValueAtTime (me, tmax);
		} else {
			tright = my points.at [i + 1] -> number;
			fright = my points.at [i + 1] -> value;
		}
		area += 0.5 * (fleft + fright) * (tright - tleft);
	}
	return area;
}
Example #14
0
bool structFormantGridEditor :: v_click (double xWC, double yWC, bool shiftKeyPressed) {
	FormantGrid grid = (FormantGrid) our data;
	Ordered tiers = editingBandwidths ? grid -> bandwidths : grid -> formants;
	RealTier tier = (RealTier) tiers -> item [selectedFormant];
	double ymin = our editingBandwidths ? our p_bandwidthFloor   : our p_formantFloor;
	double ymax = our editingBandwidths ? our p_bandwidthCeiling : our p_formantCeiling;
	long inearestPoint, ifirstSelected, ilastSelected;
	RealPoint nearestPoint;
	double dt = 0, df = 0;
	bool draggingSelection;

	/*
	 * Perform the default action: move cursor.
	 */
	//d_startSelection = d_endSelection = xWC;
	our ycursor = (1.0 - yWC) * ymin + yWC * ymax;
	Graphics_setWindow (our d_graphics, our d_startWindow, our d_endWindow, ymin, ymax);
	yWC = our ycursor;

	/*
	 * Clicked on a point?
	 */
	inearestPoint = AnyTier_timeToNearestIndex (tier, xWC);
	if (inearestPoint == 0) {
		return FormantGridEditor_Parent :: v_click (xWC, yWC, shiftKeyPressed);
	}
	nearestPoint = (RealPoint) tier -> points -> item [inearestPoint];
	if (Graphics_distanceWCtoMM (our d_graphics, xWC, yWC, nearestPoint -> number, nearestPoint -> value) > 1.5) {
		return our FormantGridEditor_Parent :: v_click (xWC, yWC, shiftKeyPressed);
	}

	/*
	 * Clicked on a selected point?
	 */
	draggingSelection = shiftKeyPressed &&
		nearestPoint -> number > our d_startSelection && nearestPoint -> number < our d_endSelection;
	if (draggingSelection) {
		ifirstSelected = AnyTier_timeToHighIndex (tier, our d_startSelection);
		ilastSelected = AnyTier_timeToLowIndex (tier, our d_endSelection);
		Editor_save (this, U"Drag points");
	} else {
		ifirstSelected = ilastSelected = inearestPoint;
		Editor_save (this, U"Drag point");
	}

	/*
	 * Drag.
	 */
	Graphics_xorOn (our d_graphics, Graphics_MAROON);
	drawWhileDragging (this, xWC, yWC, ifirstSelected, ilastSelected, dt, df);
	while (Graphics_mouseStillDown (our d_graphics)) {
		double xWC_new, yWC_new;
		Graphics_getMouseLocation (our d_graphics, & xWC_new, & yWC_new);
		if (xWC_new != xWC || yWC_new != yWC) {
			drawWhileDragging (this, xWC, yWC, ifirstSelected, ilastSelected, dt, df);
			dt += xWC_new - xWC, df += yWC_new - yWC;
			xWC = xWC_new, yWC = yWC_new;
			drawWhileDragging (this, xWC, yWC, ifirstSelected, ilastSelected, dt, df);
		}
	}
	Graphics_xorOff (our d_graphics);

	/*
	 * Dragged inside window?
	 */
	if (xWC < d_startWindow || xWC > d_endWindow) return 1;

	/*
	 * Points not dragged past neighbours?
	 */
	RealPoint *points = (RealPoint *) tier -> points -> item;
	double newTime = points [ifirstSelected] -> number + dt;
	if (newTime < our tmin) return 1;   // outside domain
	if (ifirstSelected > 1 && newTime <= points [ifirstSelected - 1] -> number)
		return 1;   // past left neighbour
	newTime = points [ilastSelected] -> number + dt;
	if (newTime > our tmax) return 1;   // outside domain
	if (ilastSelected < tier -> points -> size && newTime >= points [ilastSelected + 1] -> number)
		return FunctionEditor_UPDATE_NEEDED;   // past right neighbour

	/*
	 * Drop.
	 */
	for (long i = ifirstSelected; i <= ilastSelected; i ++) {
		RealPoint point = (RealPoint) tier -> points -> item [i];
		point -> number += dt;
		point -> value += df;
	}

	/*
	 * Make sure that the same points are still selected (a problem with Undo...).
	 */

	if (draggingSelection) our d_startSelection += dt, our d_endSelection += dt;
	if (ifirstSelected == ilastSelected) {
		/*
		 * Move crosshair to only selected formant point.
		 */
		RealPoint point = (RealPoint) tier -> points -> item [ifirstSelected];
		our d_startSelection = our d_endSelection = point -> number;
		our ycursor = point -> value;
	} else {
		/*
		 * Move crosshair to mouse location.
		 */
		/*our cursor += dt;*/
		our ycursor += df;
	}

	Editor_broadcastDataChanged (this);
	return FunctionEditor_UPDATE_NEEDED;
}
Example #15
0
void structFormantGridEditor :: v_draw () {
	FormantGrid grid = (FormantGrid) our data;
	Ordered tiers = our editingBandwidths ? grid -> bandwidths : grid -> formants;
	RealTier selectedTier = (RealTier) tiers -> item [selectedFormant];
	double ymin = our editingBandwidths ? our p_bandwidthFloor   : our p_formantFloor;
	double ymax = our editingBandwidths ? our p_bandwidthCeiling : our p_formantCeiling;
	Graphics_setColour (our d_graphics, Graphics_WHITE);
	Graphics_setWindow (our d_graphics, 0, 1, 0, 1);
	Graphics_fillRectangle (our d_graphics, 0, 1, 0, 1);
	Graphics_setWindow (our d_graphics, our d_startWindow, our d_endWindow, ymin, ymax);
	Graphics_setColour (our d_graphics, Graphics_RED);
	Graphics_line (our d_graphics, our d_startWindow, our ycursor, our d_endWindow, our ycursor);
	Graphics_setTextAlignment (our d_graphics, Graphics_RIGHT, Graphics_HALF);
	Graphics_text (our d_graphics, our d_startWindow, our ycursor, Melder_float (Melder_half (our ycursor)));
	Graphics_setColour (our d_graphics, Graphics_BLUE);
	Graphics_setTextAlignment (our d_graphics, Graphics_LEFT, Graphics_TOP);
	Graphics_text (our d_graphics, our d_endWindow, ymax, Melder_float (Melder_half (ymax)), U" Hz");
	Graphics_setTextAlignment (our d_graphics, Graphics_LEFT, Graphics_HALF);
	Graphics_text (our d_graphics, our d_endWindow, ymin, Melder_float (Melder_half (ymin)), U" Hz");
	Graphics_setLineWidth (our d_graphics, 1);
	Graphics_setColour (our d_graphics, Graphics_GREY);
	for (long iformant = 1; iformant <= grid -> formants -> size; iformant ++) if (iformant != our selectedFormant) {
		RealTier tier = (RealTier) tiers -> item [iformant];
		long imin = AnyTier_timeToHighIndex (tier, our d_startWindow);
		long imax = AnyTier_timeToLowIndex (tier, our d_endWindow);
		long n = tier -> points -> size;
		if (n == 0) {
		} else if (imax < imin) {
			double yleft = RealTier_getValueAtTime (tier, our d_startWindow);
			double yright = RealTier_getValueAtTime (tier, our d_endWindow);
			Graphics_line (our d_graphics, our d_startWindow, yleft, our d_endWindow, yright);
		} else for (long i = imin; i <= imax; i ++) {
			RealPoint point = (RealPoint) tier -> points -> item [i];
			double t = point -> number, y = point -> value;
			Graphics_fillCircle_mm (our d_graphics, t, y, 2);
			if (i == 1)
				Graphics_line (our d_graphics, our d_startWindow, y, t, y);
			else if (i == imin)
				Graphics_line (our d_graphics, t, y, our d_startWindow, RealTier_getValueAtTime (tier, our d_startWindow));
			if (i == n)
				Graphics_line (our d_graphics, t, y, our d_endWindow, y);
			else if (i == imax)
				Graphics_line (our d_graphics, t, y, our d_endWindow, RealTier_getValueAtTime (tier, our d_endWindow));
			else {
				RealPoint pointRight = (RealPoint) tier -> points -> item [i + 1];
				Graphics_line (our d_graphics, t, y, pointRight -> number, pointRight -> value);
			}
		}
	}
	Graphics_setColour (our d_graphics, Graphics_BLUE);
	long ifirstSelected = AnyTier_timeToHighIndex (selectedTier, our d_startSelection);
	long ilastSelected = AnyTier_timeToLowIndex (selectedTier, our d_endSelection);
	long n = selectedTier -> points -> size;
	long imin = AnyTier_timeToHighIndex (selectedTier, our d_startWindow);
	long imax = AnyTier_timeToLowIndex (selectedTier, our d_endWindow);
	Graphics_setLineWidth (our d_graphics, 2);
	if (n == 0) {
		Graphics_setTextAlignment (our d_graphics, Graphics_CENTRE, Graphics_HALF);
		Graphics_text (our d_graphics, 0.5 * (our d_startWindow + our d_endWindow),
			0.5 * (ymin + ymax), U"(no points in selected formant tier)");
	} else if (imax < imin) {
		double yleft = RealTier_getValueAtTime (selectedTier, our d_startWindow);
		double yright = RealTier_getValueAtTime (selectedTier, our d_endWindow);
		Graphics_line (our d_graphics, our d_startWindow, yleft, our d_endWindow, yright);
	} else for (long i = imin; i <= imax; i ++) {
		RealPoint point = (RealPoint) selectedTier -> points -> item [i];
		double t = point -> number, y = point -> value;
		if (i >= ifirstSelected && i <= ilastSelected)
			Graphics_setColour (our d_graphics, Graphics_RED);
		Graphics_fillCircle_mm (our d_graphics, t, y, 3);
		Graphics_setColour (our d_graphics, Graphics_BLUE);
		if (i == 1)
			Graphics_line (our d_graphics, our d_startWindow, y, t, y);
		else if (i == imin)
			Graphics_line (our d_graphics, t, y, our d_startWindow, RealTier_getValueAtTime (selectedTier, our d_startWindow));
		if (i == n)
			Graphics_line (our d_graphics, t, y, our d_endWindow, y);
		else if (i == imax)
			Graphics_line (our d_graphics, t, y, our d_endWindow, RealTier_getValueAtTime (selectedTier, our d_endWindow));
		else {
			RealPoint pointRight = (RealPoint) selectedTier -> points -> item [i + 1];
			Graphics_line (our d_graphics, t, y, pointRight -> number, pointRight -> value);
		}
	}
	Graphics_setLineWidth (our d_graphics, 1);
	Graphics_setColour (our d_graphics, Graphics_BLACK);
}
Example #16
0
// MARK: TIMETIER

// MARK: Query

DIRECT (INTEGER_TimeTier_getNumberOfPoints) {
	NUMBER_ONE (AnyTier)
		long result = my points.size;
	NUMBER_ONE_END (U" points")
}

FORM (INTEGER_TimeTier_getLowIndexFromTime, U"Get low index", U"AnyTier: Get low index from time...") {
	REALVAR (time, U"Time (s)", U"0.5")
	OK
DO
	FIND_ONE (AnyTier)
		Melder_information (my points.size == 0 ? U"--undefined--" : Melder_integer (AnyTier_timeToLowIndex (me, time)));
	END
}

FORM (INTEGER_TimeTier_getHighIndexFromTime, U"Get high index", U"AnyTier: Get high index from time...") {
	REALVAR (time, U"Time (s)", U"0.5")
	OK
DO
	FIND_ONE (AnyTier)
		Melder_information (my points.size == 0 ? U"--undefined--" : Melder_integer (AnyTier_timeToHighIndex (me, GET_REAL (U"Time"))));
	END
}

FORM (INTEGER_TimeTier_getNearestIndexFromTime, U"Get nearest index", U"AnyTier: Get nearest index from time...") {
	REALVAR (time, U"Time (s)", U"0.5")
	OK