def marker(
self,
position=None,
label_cb=None,
constraint_cb=None,
movable=True,
readonly=False,
markerstyle=None,
markerspacing=None,
color=None,
linestyle=None,
linewidth=None,
marker=None,
markersize=None,
markerfacecolor=None,
markeredgecolor=None,
):
"""
Make a marker `plot item`
(:py:class:`guiqwt.shapes.Marker` object)
* position: tuple (x, y)
* label_cb: function with two arguments (x, y) returning a string
* constraint_cb: function with two arguments (x, y) returning a
tuple (x, y) according to the marker constraint
* movable: if True (default), marker will be movable
* readonly: if False (default), marker can be deleted
* markerstyle: '+', '-', '|' or None
* markerspacing: spacing between text and marker line
* color: marker color name
* linestyle: marker 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 "Cross", "Ellipse",
"Star1", "XCross", "Rect", "Diamond", "UTriangle", "DTriangle",
"RTriangle", "LTriangle", "Star2", "NoSymbol")
* markersize: marker size (pixels)
* markerfacecolor: marker face color name
* markeredgecolor: marker edge color name
"""
param = MarkerParam(_("Marker"), icon="marker.png")
param.read_config(CONF, "plot", "marker/cursor")
if (
color
or linestyle
or linewidth
or marker
or markersize
or markerfacecolor
or markeredgecolor
):
param.line = param.sel_line
param.symbol = param.sel_symbol
param.text = param.sel_text
self.__set_baseparam(
param,
color,
linestyle,
linewidth,
marker,
markersize,
markerfacecolor,
markeredgecolor,
)
param.sel_line = param.line
param.sel_symbol = param.symbol
param.sel_text = param.text
if markerstyle:
param.set_markerstyle(markerstyle)
if markerspacing:
param.spacing = markerspacing
if not movable:
param.symbol.marker = param.sel_symbol.marker = "NoSymbol"
marker = Marker(
label_cb=label_cb, constraint_cb=constraint_cb, markerparam=param
)
if position is not None:
x, y = position
marker.set_pos(x, y)
marker.set_readonly(readonly)
if not movable:
marker.set_movable(False)
marker.set_resizable(False)
return marker
def marker(self, position=None, label_cb=None, constraint_cb=None,
movable=True, readonly=False,
markerstyle=None, markerspacing=None,
color=None, linestyle=None, linewidth=None,
marker=None, markersize=None, markerfacecolor=None,
markeredgecolor=None):
"""
Make a marker `plot item`
(:py:class:`guiqwt.shapes.Marker` object)
* position: tuple (x, y)
* label_cb: function with two arguments (x, y) returning a string
* constraint_cb: function with two arguments (x, y) returning a
tuple (x, y) according to the marker constraint
* movable: if True (default), marker will be movable
* readonly: if False (default), marker can be deleted
* markerstyle: '+', '-', '|' or None
* markerspacing: spacing between text and marker line
* color: marker color name
* linestyle: marker 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 "Cross", "Ellipse",
"Star1", "XCross", "Rect", "Diamond", "UTriangle", "DTriangle",
"RTriangle", "LTriangle", "Star2", "NoSymbol")
* markersize: marker size (pixels)
* markerfacecolor: marker face color name
* markeredgecolor: marker edge color name
"""
param = MarkerParam(_("Marker"), icon='marker.png')
param.read_config(CONF, "plot", "marker/cursor")
if color or linestyle or linewidth or marker or markersize or \
markerfacecolor or markeredgecolor:
param.line = param.sel_line
param.symbol = param.sel_symbol
param.text = param.sel_text
self.__set_baseparam(param, color, linestyle, linewidth, marker,
markersize, markerfacecolor, markeredgecolor)
param.sel_line = param.line
param.sel_symbol = param.symbol
param.sel_text = param.text
if markerstyle:
param.set_markerstyle(markerstyle)
if markerspacing:
param.spacing = markerspacing
if not movable:
param.symbol.marker = param.sel_symbol.marker = "NoSymbol"
marker = Marker(label_cb=label_cb, constraint_cb=constraint_cb,
markerparam=param)
if position is not None:
x, y = position
marker.set_pos(x, y)
marker.set_readonly(readonly)
if not movable:
marker.set_movable(False)
marker.set_resizable(False)
return marker