class ImageScreen(QWidget):
"""
Hum hum hum
"""
def __init__(self, parent, x, y, data, sizex, sizey):
QWidget.__init__(self, parent)
self.setMinimumSize(sizex, sizey)
self.x = x
self.y = y
self.data = data
#---guiqwt related attributes:
self.plot = None
self.image = None
self.ROI = None
self.background = None
#---
self.setup_widget()
def setup_widget(self):
self.plot = ImagePlot(self)
self.image = make.xyimage(self.x, self.y, self.data, colormap='jet')
self.plot.add_item(self.image)
self.plot.set_antialiasing(True)
vlayout = QVBoxLayout()
vlayout.addWidget(self.plot)
self.setLayout(vlayout)
#self.plot.adjustSize()
def update_image(self):
self.image.x = self.x
self.image.y = self.y
self.image.data = self.data
self.plot.replot()
pass
class BaseImageWidget(QSplitter):
"""
Construct a BaseImageWidget object, which includes:
* A plot (:py:class:`guiqwt.curve.CurvePlot`)
* An `item list` panel (:py:class:`guiqwt.curve.PlotItemList`)
* A `contrast adjustment` panel
(:py:class:`guiqwt.histogram.ContrastAdjustment`)
* An `X-axis cross section` panel
(:py:class:`guiqwt.histogram.XCrossSection`)
* An `Y-axis cross section` panel
(:py:class:`guiqwt.histogram.YCrossSection`)
This object does nothing in itself because plot and panels are not
connected to each other.
See children class :py:class:`guiqwt.plot.ImageWidget`
"""
def __init__(self,
parent=None,
title="",
xlabel=("", ""),
ylabel=("", ""),
zlabel=None,
xunit=("", ""),
yunit=("", ""),
zunit=None,
yreverse=True,
colormap="jet",
aspect_ratio=1.0,
lock_aspect_ratio=True,
show_contrast=False,
show_itemlist=False,
show_xsection=False,
show_ysection=False,
xsection_pos="top",
ysection_pos="right",
gridparam=None,
curve_antialiasing=None,
**kwargs):
if PYQT5:
super(BaseImageWidget, self).__init__(parent, **kwargs)
self.setOrientation(Qt.Vertical)
else:
QSplitter.__init__(self, Qt.Vertical, parent)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.sub_splitter = QSplitter(Qt.Horizontal, self)
self.plot = ImagePlot(parent=self,
title=title,
xlabel=xlabel,
ylabel=ylabel,
zlabel=zlabel,
xunit=xunit,
yunit=yunit,
zunit=zunit,
yreverse=yreverse,
aspect_ratio=aspect_ratio,
lock_aspect_ratio=lock_aspect_ratio,
gridparam=gridparam)
if curve_antialiasing is not None:
self.plot.set_antialiasing(curve_antialiasing)
from guiqwt.cross_section import YCrossSection
self.ycsw = YCrossSection(self,
position=ysection_pos,
xsection_pos=xsection_pos)
self.ycsw.setVisible(show_ysection)
from guiqwt.cross_section import XCrossSection
self.xcsw = XCrossSection(self)
self.xcsw.setVisible(show_xsection)
self.xcsw.SIG_VISIBILITY_CHANGED.connect(self.xcsw_is_visible)
self.xcsw_splitter = QSplitter(Qt.Vertical, self)
if xsection_pos == "top":
self.xcsw_splitter.addWidget(self.xcsw)
self.xcsw_splitter.addWidget(self.plot)
else:
self.xcsw_splitter.addWidget(self.plot)
self.xcsw_splitter.addWidget(self.xcsw)
self.xcsw_splitter.splitterMoved.connect(
lambda pos, index: self.adjust_ycsw_height())
self.ycsw_splitter = QSplitter(Qt.Horizontal, self)
if ysection_pos == "left":
self.ycsw_splitter.addWidget(self.ycsw)
self.ycsw_splitter.addWidget(self.xcsw_splitter)
else:
self.ycsw_splitter.addWidget(self.xcsw_splitter)
self.ycsw_splitter.addWidget(self.ycsw)
configure_plot_splitter(self.xcsw_splitter,
decreasing_size=xsection_pos == "bottom")
configure_plot_splitter(self.ycsw_splitter,
decreasing_size=ysection_pos == "right")
self.sub_splitter.addWidget(self.ycsw_splitter)
self.itemlist = PlotItemList(self)
self.itemlist.setVisible(show_itemlist)
self.sub_splitter.addWidget(self.itemlist)
# Contrast adjustment (Levels histogram)
from guiqwt.histogram import ContrastAdjustment
self.contrast = ContrastAdjustment(self)
self.contrast.setVisible(show_contrast)
self.addWidget(self.contrast)
configure_plot_splitter(self)
configure_plot_splitter(self.sub_splitter)
def adjust_ycsw_height(self, height=None):
if height is None:
height = self.xcsw.height() - self.ycsw.toolbar.height()
self.ycsw.adjust_height(height)
if height:
QApplication.processEvents()
def xcsw_is_visible(self, state):
if state:
QApplication.processEvents()
self.adjust_ycsw_height()
else:
self.adjust_ycsw_height(0)
class BaseImageWidget(QSplitter):
"""
Construct a BaseImageWidget object, which includes:
* A plot (:py:class:`guiqwt.curve.CurvePlot`)
* An `item list` panel (:py:class:`guiqwt.curve.PlotItemList`)
* A `contrast adjustment` panel
(:py:class:`guiqwt.histogram.ContrastAdjustment`)
* An `X-axis cross section` panel
(:py:class:`guiqwt.histogram.XCrossSection`)
* An `Y-axis cross section` panel
(:py:class:`guiqwt.histogram.YCrossSection`)
This object does nothing in itself because plot and panels are not
connected to each other.
See children class :py:class:`guiqwt.plot.ImageWidget`
"""
def __init__(self, parent=None, title="",
xlabel=("", ""), ylabel=("", ""), zlabel=None,
xunit=("", ""), yunit=("", ""), zunit=None, yreverse=True,
colormap="jet", aspect_ratio=1.0, lock_aspect_ratio=True,
show_contrast=False, show_itemlist=False, show_xsection=False,
show_ysection=False, xsection_pos="top", ysection_pos="right",
gridparam=None, curve_antialiasing=None, **kwargs):
if PYQT5:
super(BaseImageWidget, self).__init__(parent, **kwargs)
self.setOrientation(Qt.Vertical)
else:
QSplitter.__init__(self, Qt.Vertical, parent)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.sub_splitter = QSplitter(Qt.Horizontal, self)
self.plot = ImagePlot(parent=self, title=title,
xlabel=xlabel, ylabel=ylabel, zlabel=zlabel,
xunit=xunit, yunit=yunit, zunit=zunit,
yreverse=yreverse, aspect_ratio=aspect_ratio,
lock_aspect_ratio=lock_aspect_ratio,
gridparam=gridparam)
if curve_antialiasing is not None:
self.plot.set_antialiasing(curve_antialiasing)
from guiqwt.cross_section import YCrossSection
self.ycsw = YCrossSection(self, position=ysection_pos,
xsection_pos=xsection_pos)
self.ycsw.setVisible(show_ysection)
from guiqwt.cross_section import XCrossSection
self.xcsw = XCrossSection(self)
self.xcsw.setVisible(show_xsection)
self.xcsw.SIG_VISIBILITY_CHANGED.connect(self.xcsw_is_visible)
self.xcsw_splitter = QSplitter(Qt.Vertical, self)
if xsection_pos == "top":
self.xcsw_splitter.addWidget(self.xcsw)
self.xcsw_splitter.addWidget(self.plot)
else:
self.xcsw_splitter.addWidget(self.plot)
self.xcsw_splitter.addWidget(self.xcsw)
self.xcsw_splitter.splitterMoved.connect(
lambda pos, index: self.adjust_ycsw_height())
self.ycsw_splitter = QSplitter(Qt.Horizontal, self)
if ysection_pos == "left":
self.ycsw_splitter.addWidget(self.ycsw)
self.ycsw_splitter.addWidget(self.xcsw_splitter)
else:
self.ycsw_splitter.addWidget(self.xcsw_splitter)
self.ycsw_splitter.addWidget(self.ycsw)
configure_plot_splitter(self.xcsw_splitter,
decreasing_size=xsection_pos == "bottom")
configure_plot_splitter(self.ycsw_splitter,
decreasing_size=ysection_pos == "right")
self.sub_splitter.addWidget(self.ycsw_splitter)
self.itemlist = PlotItemList(self)
self.itemlist.setVisible(show_itemlist)
self.sub_splitter.addWidget(self.itemlist)
# Contrast adjustment (Levels histogram)
from guiqwt.histogram import ContrastAdjustment
self.contrast = ContrastAdjustment(self)
self.contrast.setVisible(show_contrast)
self.addWidget(self.contrast)
configure_plot_splitter(self)
configure_plot_splitter(self.sub_splitter)
def adjust_ycsw_height(self, height=None):
if height is None:
height = self.xcsw.height()-self.ycsw.toolbar.height()
self.ycsw.adjust_height(height)
if height:
QApplication.processEvents()
def xcsw_is_visible(self, state):
if state:
QApplication.processEvents()
self.adjust_ycsw_height()
else:
self.adjust_ycsw_height(0)
class ImageScreen(QWidget):
"""
Hum hum hum
"""
def __init__(self, parent, x, y, data):
QWidget.__init__(self, parent)
#self.setMinimumSize(sizex, sizey)
self.x = x
self.y = y
self.data = data
self.level_xy = [[[0, 0], [0, 0]] for i in range(8)]
#---guiqwt related attributes:
self.plot = None
self.image = None
self.ROI = None
self.background = None
self.levels = []
#---
self.setup_widget()
def setup_widget(self):
self.plot = ImagePlot(self)
self.image = make.xyimage(self.x, self.y, self.data, colormap='jet')
self.plot.add_item(self.image)
self.plot.set_antialiasing(True)
#--- levels ?
for i in range(8):
x = self.level_xy[i][0]
y = self.level_xy[i][1]
self.levels.append(make.curve(x, y, color="w"))
self.plot.add_item(self.levels[-1])
#----------------------
vlayout = QVBoxLayout()
vlayout.addWidget(self.plot)
self.setLayout(vlayout)
self.plot.adjustSize()
def update_image(self):
self.image.x = self.x
self.image.y = self.y
self.image.data = self.data
for i in range(8):
x = self.level_xy[i][0]
y = self.level_xy[i][1]
self.levels[i].x = x
self.levels[i].y = y
self.plot.replot()
pass
def update_contour(self):
for i in range(8):
x = self.level_xy[i][0]
y = self.level_xy[i][1]
self.levels[i].set_data(x, y)
self.plot.replot()
pass
def reset_contour(self):
self.level_xy = [[[0, 0], [0, 0]] for i in range(8)]
for i in range(8):
x = self.level_xy[i][0]
y = self.level_xy[i][1]
self.levels[i].set_data(x, y)
self.plot.replot()
pass