def mcurve(self, *args, **kwargs):
"""
Make a curve `plot item` based on MATLAB-like syntax
(may returns a list of curves if data contains more than one signal)
(:py:class:`guiqwt.curve.CurveItem` object)
Example::
mcurve(x, y, 'r+')
"""
x, y, style = self.__get_arg_triple_plot(args)
if isinstance(y, ndarray):
y = [y]
if not isinstance(style, list):
style = [style]
if len(y) > len(style):
style = [style[0]] * len(y)
basename = _("Curve")
curves = []
for yi, stylei in zip(y, style):
param = CurveParam(title=basename, icon="curve.png")
if "label" in kwargs:
param.label = kwargs.pop("label")
else:
global CURVE_COUNT
CURVE_COUNT += 1
param.label = make_title(basename, CURVE_COUNT)
update_style_attr(stylei, param)
curves.append(self.pcurve(x, yi, param, **kwargs))
if len(curves) == 1:
return curves[0]
else:
return curves
def mcurve(self, *args, **kwargs):
"""
Make a curve `plot item` based on MATLAB-like syntax
(may returns a list of curves if data contains more than one signal)
(:py:class:`guiqwt.curve.CurveItem` object)
Example::
mcurve(x, y, 'r+')
"""
x, y, style = self.__get_arg_triple_plot(args)
if isinstance(y, ndarray):
y = [y]
if not isinstance(style, list):
style = [style]
if len(y) > len(style):
style = [style[0]]*len(y)
basename = _("Curve")
curves = []
for yi, stylei in zip(y, style):
param = CurveParam(title=basename, icon='curve.png')
if "label" in kwargs:
param.label = kwargs.pop("label")
else:
global CURVE_COUNT
CURVE_COUNT += 1
param.label = make_title(basename, CURVE_COUNT)
update_style_attr(stylei, param)
curves.append(self.pcurve(x, yi, param, **kwargs))
if len(curves) == 1:
return curves[0]
else:
return curves
def create_curves(self, labels, this_range, show_legend=True):
self.curves = []
plot = self.get_plot()
plot.del_all_items(except_grid=False)
for i, l in enumerate(labels):
param = CurveParam()
param.label = str(l)
color = COLORS.get(self.colors[i % len(self.colors)],
self.colors[i % len(self.colors)])
param.line.color = color
# create a new curve
curve = CurveItemModel(param)
self.curves.append(curve)
plot.add_item(curve)
curve.setRenderHint(QwtPlotItem.RenderAntialiased,
USE_ANTIALIASING)
l = make.legend("TR")
if show_legend:
plot.add_item(l)
self.myranges = []
for r in this_range:
self.add_range_to_plot(plot, r)
def histogram(
self,
data,
bins=None,
logscale=None,
title="",
color=None,
xaxis="bottom",
yaxis="left",
):
"""
Make 1D Histogram `plot item`
(:py:class:`guiqwt.histogram.HistogramItem` object)
* data (1D NumPy array)
* bins: number of bins (int)
* logscale: Y-axis scale (bool)
"""
basename = _("Histogram")
histparam = HistogramParam(title=basename, icon="histogram.png")
curveparam = CurveParam(_("Curve"), icon="curve.png")
curveparam.read_config(CONF, "histogram", "curve")
if not title:
global HISTOGRAM_COUNT
HISTOGRAM_COUNT += 1
title = make_title(basename, HISTOGRAM_COUNT)
curveparam.label = title
if color is not None:
curveparam.line.color = color
if bins is not None:
histparam.n_bins = bins
if logscale is not None:
histparam.logscale = logscale
return self.phistogram(data, curveparam, histparam, xaxis, yaxis)
def histogram(self, data, bins=None, logscale=None,
title="", color=None, xaxis="bottom", yaxis="left"):
"""
Make 1D Histogram `plot item`
(:py:class:`guiqwt.histogram.HistogramItem` object)
* data (1D NumPy array)
* bins: number of bins (int)
* logscale: Y-axis scale (bool)
"""
basename = _("Histogram")
histparam = HistogramParam(title=basename, icon='histogram.png')
curveparam = CurveParam(_("Curve"), icon='curve.png')
curveparam.read_config(CONF, "histogram", "curve")
if not title:
global HISTOGRAM_COUNT
HISTOGRAM_COUNT += 1
title = make_title(basename, HISTOGRAM_COUNT)
curveparam.label = title
if color is not None:
curveparam.line.color = color
if bins is not None:
histparam.n_bins = bins
if logscale is not None:
histparam.logscale = logscale
return self.phistogram(data, curveparam, histparam, xaxis, yaxis)
def merror(self, *args, **kwargs):
"""
Make an errorbar curve `plot item` based on MATLAB-like syntax
(:py:class:`guiqwt.curve.ErrorBarCurveItem` object)
Example::
mcurve(x, y, 'r+')
"""
x, y, dx, dy, style = self.__get_arg_triple_errorbar(args)
basename = _("Curve")
curveparam = CurveParam(title=basename, icon="curve.png")
errorbarparam = ErrorBarParam(title=_("Error bars"), icon="errorbar.png")
if "label" in kwargs:
curveparam.label = kwargs["label"]
else:
global CURVE_COUNT
CURVE_COUNT += 1
curveparam.label = make_title(basename, CURVE_COUNT)
update_style_attr(style, curveparam)
errorbarparam.color = curveparam.line.color
return self.perror(x, y, dx, dy, curveparam, errorbarparam)
def merror(self, *args, **kwargs):
"""
Make an errorbar curve `plot item` based on MATLAB-like syntax
(:py:class:`guiqwt.curve.ErrorBarCurveItem` object)
Example::
mcurve(x, y, 'r+')
"""
x, y, dx, dy, style = self.__get_arg_triple_errorbar(args)
basename = _("Curve")
curveparam = CurveParam(title=basename, icon="curve.png")
errorbarparam = ErrorBarParam(title=_("Error bars"), icon="errorbar.png")
if "label" in kwargs:
curveparam.label = kwargs["label"]
else:
global CURVE_COUNT
CURVE_COUNT += 1
curveparam.label = make_title(basename, CURVE_COUNT)
update_style_attr(style, curveparam)
errorbarparam.color = curveparam.line.color
return self.perror(x, y, dx, dy, curveparam, errorbarparam)
def create_curves(self, labels, this_range, show_legend=True):
self.curves = []
plot = self.get_plot()
plot.del_all_items(except_grid=False)
for i,l in enumerate(labels):
param = CurveParam()
param.label = str(l)
color = COLORS.get(self.colors[i % len(self.colors)], self.colors[i % len(self.colors)] )
param.line.color = color
# create a new curve
curve = CurveItemModel(param)
self.curves.append(curve)
plot.add_item( curve )
curve.setRenderHint(QwtPlotItem.RenderAntialiased, USE_ANTIALIASING)
l = make.legend("TR")
if show_legend:
plot.add_item( l )
self.myranges = []
for r in this_range:
self.add_range_to_plot(plot, r)
def error(
self,
x,
y,
dx,
dy,
title="",
color=None,
linestyle=None,
linewidth=None,
errorbarwidth=None,
errorbarcap=None,
errorbarmode=None,
errorbaralpha=None,
marker=None,
markersize=None,
markerfacecolor=None,
markeredgecolor=None,
shade=None,
curvestyle=None,
baseline=None,
xaxis="bottom",
yaxis="left",
):
"""
Make an errorbar curve `plot item`
(:py:class:`guiqwt.curve.ErrorBarCurveItem` object)
* x: 1D NumPy array
* y: 1D NumPy array
* dx: None, or scalar, or 1D NumPy array
* dy: None, or scalar, or 1D NumPy array
* color: curve color name
* linestyle: curve line style (MATLAB-like string or attribute name
from the :py:class:`PyQt4.QtCore.Qt.PenStyle` enum
(i.e. "SolidLine" "DashLine", "DotLine", "DashDotLine",
"DashDotDotLine" or "NoPen")
* linewidth: line width (pixels)
* marker: marker shape (MATLAB-like string or attribute name from
the :py:class:`PyQt4.Qwt5.QwtSymbol.Style` enum (i.e. "Cross",
"Ellipse", "Star1", "XCross", "Rect", "Diamond", "UTriangle",
"DTriangle", "RTriangle", "LTriangle", "Star2" or "NoSymbol")
* markersize: marker size (pixels)
* markerfacecolor: marker face color name
* markeredgecolor: marker edge color name
* shade: 0 <= float <= 1 (curve shade)
* curvestyle: attribute name from the
:py:class:`PyQt4.Qwt5.QwtPlotCurve.CurveStyle` enum
(i.e. "Lines", "Sticks", "Steps", "Dots" or "NoCurve")
* baseline (float: default=0.0): the baseline is needed for filling
the curve with a brush or the Sticks drawing style.
* xaxis, yaxis: X/Y axes bound to curve
Example::
error(x, y, None, dy, marker='Ellipse', markerfacecolor='#ffffff')
which is equivalent to (MATLAB-style support)::
error(x, y, None, dy, marker='o', markerfacecolor='w')
"""
basename = _("Curve")
curveparam = CurveParam(title=basename, icon="curve.png")
errorbarparam = ErrorBarParam(title=_("Error bars"), icon="errorbar.png")
if not title:
global CURVE_COUNT
CURVE_COUNT += 1
curveparam.label = make_title(basename, CURVE_COUNT)
self.__set_param(
curveparam,
title,
color,
linestyle,
linewidth,
marker,
markersize,
markerfacecolor,
markeredgecolor,
shade,
curvestyle,
baseline,
)
errorbarparam.color = curveparam.line.color
if errorbarwidth is not None:
errorbarparam.width = errorbarwidth
if errorbarcap is not None:
errorbarparam.cap = errorbarcap
if errorbarmode is not None:
errorbarparam.mode = errorbarmode
if errorbaralpha is not None:
errorbarparam.alpha = errorbaralpha
return self.perror(x, y, dx, dy, curveparam, errorbarparam, xaxis, yaxis)
def error(self, x, y, dx, dy, title="",
color=None, linestyle=None, linewidth=None,
errorbarwidth=None, errorbarcap=None, errorbarmode=None,
errorbaralpha=None, marker=None, markersize=None,
markerfacecolor=None, markeredgecolor=None, shade=None,
curvestyle=None, baseline=None, xaxis="bottom", yaxis="left"):
"""
Make an errorbar curve `plot item`
(:py:class:`guiqwt.curve.ErrorBarCurveItem` object)
* x: 1D NumPy array
* y: 1D NumPy array
* dx: None, or scalar, or 1D NumPy array
* dy: None, or scalar, or 1D NumPy array
* color: curve color name
* linestyle: curve line style (MATLAB-like string or attribute name
from the :py:class:`PyQt4.QtCore.Qt.PenStyle` enum
(i.e. "SolidLine" "DashLine", "DotLine", "DashDotLine",
"DashDotDotLine" or "NoPen")
* linewidth: line width (pixels)
* marker: marker shape (MATLAB-like string or attribute name from
the :py:class:`PyQt4.Qwt5.QwtSymbol.Style` enum (i.e. "Cross",
"Ellipse", "Star1", "XCross", "Rect", "Diamond", "UTriangle",
"DTriangle", "RTriangle", "LTriangle", "Star2" or "NoSymbol")
* markersize: marker size (pixels)
* markerfacecolor: marker face color name
* markeredgecolor: marker edge color name
* shade: 0 <= float <= 1 (curve shade)
* curvestyle: attribute name from the
:py:class:`PyQt4.Qwt5.QwtPlotCurve.CurveStyle` enum
(i.e. "Lines", "Sticks", "Steps", "Dots" or "NoCurve")
* baseline (float: default=0.0): the baseline is needed for filling
the curve with a brush or the Sticks drawing style.
* xaxis, yaxis: X/Y axes bound to curve
Example::
error(x, y, None, dy, marker='Ellipse', markerfacecolor='#ffffff')
which is equivalent to (MATLAB-style support)::
error(x, y, None, dy, marker='o', markerfacecolor='w')
"""
basename = _("Curve")
curveparam = CurveParam(title=basename, icon='curve.png')
errorbarparam = ErrorBarParam(title=_("Error bars"),
icon='errorbar.png')
if not title:
global CURVE_COUNT
CURVE_COUNT += 1
curveparam.label = make_title(basename, CURVE_COUNT)
self.__set_param(curveparam, title, color, linestyle, linewidth, marker,
markersize, markerfacecolor, markeredgecolor,
shade, curvestyle, baseline)
errorbarparam.color = curveparam.line.color
if errorbarwidth is not None:
errorbarparam.width = errorbarwidth
if errorbarcap is not None:
errorbarparam.cap = errorbarcap
if errorbarmode is not None:
errorbarparam.mode = errorbarmode
if errorbaralpha is not None:
errorbarparam.alpha = errorbaralpha
return self.perror(x, y, dx, dy, curveparam, errorbarparam,
xaxis, yaxis)
