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GUIQwt reference

guiqwt.panels

The panels module provides guiqwt.curve.PanelWidget (the panel widget class from which all panels must derived) and identifiers for each kind of panel:

  • guiqwt.panels.ID_ITEMLIST: ID of the item list panel
  • guiqwt.panels.ID_CONTRAST: ID of the contrast adjustment panel
  • guiqwt.panels.ID_XCS: ID of the X-axis cross section panel
  • guiqwt.panels.ID_YCS: ID of the Y-axis cross section panel

See also

Module guiqwt.plot
Module providing ready-to-use curve and image plotting widgets and dialog boxes
Module guiqwt.curve
Module providing curve-related plot items and plotting widgets
Module guiqwt.image
Module providing image-related plot items and plotting widgets
Module guiqwt.tools
Module providing the plot tools

guiqwt.signals

The signals module contains constants defining the custom Qt SIGNAL objects used by guiqwt: the signals definition are gathered here to avoid mispelling signals at connect and emit sites.

Signals available:
guiqwt.signals.SIG_ITEM_MOVED

Emitted by plot when an IBasePlotItem-like object was moved from (x0, y0) to (x1, y1)

Arguments: item object, x0, y0, x1, y1

guiqwt.signals.SIG_MARKER_CHANGED

Emitted by plot when a guiqwt.shapes.Marker position changes

Arguments: guiqwt.shapes.Marker object

guiqwt.signals.SIG_AXES_CHANGED

Emitted by plot when a guiqwt.shapes.Axes position (or angle) changes

Arguments: guiqwt.shapes.Axes object

guiqwt.signals.SIG_ANNOTATION_CHANGED

Emitted by plot when an annotations.AnnotatedShape position changes

Arguments: annotation item

guiqwt.signals.SIG_RANGE_CHANGED

Emitted by plot when a shapes.XRangeSelection range changes

Arguments: range object, lower_bound, upper_bound

guiqwt.signals.SIG_ITEMS_CHANGED

Emitted by plot when item list has changed (item removed, added, ...)

Arguments: plot

guiqwt.signals.SIG_ACTIVE_ITEM_CHANGED

Emitted by plot when selected item has changed

Arguments: plot

guiqwt.signals.SIG_ITEM_REMOVED

Emitted by plot when an item was deleted from the itemlist or using the delete item tool

Arguments: removed item

guiqwt.signals.SIG_ITEM_SELECTION_CHANGED

Emitted by plot when an item is selected

Arguments: plot

guiqwt.signals.SIG_PLOT_LABELS_CHANGED

Emitted (by plot) when plot’s title or any axis label has changed

Arguments: plot

guiqwt.signals.SIG_AXIS_DIRECTION_CHANGED

Emitted (by plot) when any plot axis direction has changed

Arguments: plot

guiqwt.signals.SIG_VOI_CHANGED
Emitted by “contrast” panel’s histogram when the lut range of some items changed (for now, this signal is for guiqwt.histogram module’s internal use only - the ‘public’ counterpart of this signal is SIG_LUT_CHANGED, see below)
guiqwt.signals.SIG_LUT_CHANGED

Emitted by plot when LUT has been changed by the user

Arguments: plot

guiqwt.signals.SIG_MASK_CHANGED

Emitted by plot when image mask has changed

Arguments: MaskedImageItem object

guiqwt.signals.SIG_VISIBILITY_CHANGED

Emitted for example by panels when their visibility has changed

Arguments: state (boolean)

guiqwt.signals.SIG_VALIDATE_TOOL

Emitted by an interactive tool to notify that the tool has just been “validated”, i.e. <ENTER>, <RETURN> or <SPACE> was pressed

Arguments: filter

guiqwt.io

The io module provides input/output helper functions:

Reference

guiqwt.io.imread(fname, ext=None, to_grayscale=False)[source]

Return a NumPy array from an image filename fname.

If to_grayscale is True, convert RGB images to grayscale The ext (optional) argument is a string that specifies the file extension which defines the input format: when not specified, the input format is guessed from filename.

guiqwt.io.imwrite(fname, arr, ext=None, dtype=None, max_range=None, **kwargs)[source]

Save a NumPy array to an image filename fname.

If to_grayscale is True, convert RGB images to grayscale The ext (optional) argument is a string that specifies the file extension which defines the input format: when not specified, the input format is guessed from filename. If max_range is True, array data is scaled to fit the dtype (or data type itself if dtype is None) dynamic range Warning: option max_range changes data in place

guiqwt.io.load_items(reader)[source]

Load items from HDF5 file: * reader: guidata.hdf5io.HDF5Reader object

guiqwt.io.save_items(writer, items)[source]

Save items to HDF5 file: * writer: guidata.hdf5io.HDF5Writer object * items: serializable plot items

resizedialog

The resizedialog module provides a dialog box providing essential GUI for entering parameters needed to resize an image: guiqwt.widgets.resizedialog.ResizeDialog.

Reference

class guiqwt.widgets.resizedialog.ResizeDialog(parent, new_size, old_size, text='')[source]
class RenderFlags

QWidget.RenderFlags(QWidget.RenderFlags) QWidget.RenderFlags(int) QWidget.RenderFlags()

ResizeDialog.accept()
ResizeDialog.acceptDrops() → bool
ResizeDialog.accepted

QDialog.accepted [signal]

ResizeDialog.accessibleDescription() → QString
ResizeDialog.accessibleName() → QString
ResizeDialog.actionEvent(QActionEvent)
ResizeDialog.actions() → list-of-QAction
ResizeDialog.activateWindow()
ResizeDialog.addAction(QAction)
ResizeDialog.addActions(list-of-QAction)
ResizeDialog.adjustSize()
ResizeDialog.autoFillBackground() → bool
ResizeDialog.backgroundRole() → QPalette.ColorRole
ResizeDialog.baseSize() → QSize
ResizeDialog.blockSignals(bool) → bool
ResizeDialog.changeEvent(QEvent)
ResizeDialog.childAt(QPoint) → QWidget

QWidget.childAt(int, int) -> QWidget

ResizeDialog.childEvent(QChildEvent)
ResizeDialog.children() → list-of-QObject
ResizeDialog.childrenRect() → QRect
ResizeDialog.childrenRegion() → QRegion
ResizeDialog.clearFocus()
ResizeDialog.clearMask()
ResizeDialog.close() → bool
ResizeDialog.closeEvent(QCloseEvent)
ResizeDialog.colorCount() → int
ResizeDialog.connect(QObject, SIGNAL(), QObject, SLOT(), Qt.ConnectionType=Qt.AutoConnection) → bool

QObject.connect(QObject, SIGNAL(), callable, Qt.ConnectionType=Qt.AutoConnection) -> bool QObject.connect(QObject, SIGNAL(), SLOT(), Qt.ConnectionType=Qt.AutoConnection) -> bool

ResizeDialog.connectNotify(SIGNAL())
ResizeDialog.contentsMargins() → QMargins
ResizeDialog.contentsRect() → QRect
ResizeDialog.contextMenuEvent(QContextMenuEvent)
ResizeDialog.contextMenuPolicy() → Qt.ContextMenuPolicy
ResizeDialog.create(int window=0, bool initializeWindow=True, bool destroyOldWindow=True)
ResizeDialog.cursor() → QCursor
ResizeDialog.customContextMenuRequested

QWidget.customContextMenuRequested[QPoint] [signal]

ResizeDialog.customEvent(QEvent)
ResizeDialog.deleteLater()
ResizeDialog.depth() → int
ResizeDialog.destroy(bool destroyWindow=True, bool destroySubWindows=True)
ResizeDialog.destroyed

QObject.destroyed[QObject] [signal] QObject.destroyed [signal]

ResizeDialog.devType() → int
ResizeDialog.disconnect(QObject, SIGNAL(), QObject, SLOT()) → bool

QObject.disconnect(QObject, SIGNAL(), callable) -> bool

ResizeDialog.disconnectNotify(SIGNAL())
ResizeDialog.done(int)
ResizeDialog.dragEnterEvent(QDragEnterEvent)
ResizeDialog.dragLeaveEvent(QDragLeaveEvent)
ResizeDialog.dragMoveEvent(QDragMoveEvent)
ResizeDialog.dropEvent(QDropEvent)
ResizeDialog.dumpObjectInfo()
ResizeDialog.dumpObjectTree()
ResizeDialog.dynamicPropertyNames() → list-of-QByteArray
ResizeDialog.effectiveWinId() → int
ResizeDialog.emit(SIGNAL(), ...)
ResizeDialog.enabledChange(bool)
ResizeDialog.ensurePolished()
ResizeDialog.enterEvent(QEvent)
ResizeDialog.event(QEvent) → bool
ResizeDialog.eventFilter(QObject, QEvent) → bool
ResizeDialog.exec_() → int
ResizeDialog.extension() → QWidget
ResizeDialog.find(int) → QWidget
ResizeDialog.findChild(type, QString name=QString()) → QObject

QObject.findChild(tuple, QString name=QString()) -> QObject

ResizeDialog.findChildren(type, QString name=QString()) → list-of-QObject

QObject.findChildren(tuple, QString name=QString()) -> list-of-QObject QObject.findChildren(type, QRegExp) -> list-of-QObject QObject.findChildren(tuple, QRegExp) -> list-of-QObject

ResizeDialog.finished

QDialog.finished[int] [signal]

ResizeDialog.focusInEvent(QFocusEvent)
ResizeDialog.focusNextChild() → bool
ResizeDialog.focusNextPrevChild(bool) → bool
ResizeDialog.focusOutEvent(QFocusEvent)
ResizeDialog.focusPolicy() → Qt.FocusPolicy
ResizeDialog.focusPreviousChild() → bool
ResizeDialog.focusProxy() → QWidget
ResizeDialog.focusWidget() → QWidget
ResizeDialog.font() → QFont
ResizeDialog.fontChange(QFont)
ResizeDialog.fontInfo() → QFontInfo
ResizeDialog.fontMetrics() → QFontMetrics
ResizeDialog.foregroundRole() → QPalette.ColorRole
ResizeDialog.frameGeometry() → QRect
ResizeDialog.frameSize() → QSize
ResizeDialog.geometry() → QRect
ResizeDialog.getContentsMargins() -> (int, int, int, int)
ResizeDialog.grabGesture(Qt.GestureType, Qt.GestureFlags flags=Qt.GestureFlags(0))
ResizeDialog.grabKeyboard()
ResizeDialog.grabMouse()

QWidget.grabMouse(QCursor)

ResizeDialog.grabShortcut(QKeySequence, Qt.ShortcutContext context=Qt.WindowShortcut) → int
ResizeDialog.graphicsEffect() → QGraphicsEffect
ResizeDialog.graphicsProxyWidget() → QGraphicsProxyWidget
ResizeDialog.handle() → int
ResizeDialog.hasFocus() → bool
ResizeDialog.hasMouseTracking() → bool
ResizeDialog.height() → int
ResizeDialog.heightForWidth(int) → int
ResizeDialog.heightMM() → int
ResizeDialog.hide()
ResizeDialog.hideEvent(QHideEvent)
ResizeDialog.inherits(str) → bool
ResizeDialog.inputContext() → QInputContext
ResizeDialog.inputMethodEvent(QInputMethodEvent)
ResizeDialog.inputMethodHints() → Qt.InputMethodHints
ResizeDialog.inputMethodQuery(Qt.InputMethodQuery) → QVariant
ResizeDialog.insertAction(QAction, QAction)
ResizeDialog.insertActions(QAction, list-of-QAction)
ResizeDialog.installEventFilter(QObject)
ResizeDialog.isActiveWindow() → bool
ResizeDialog.isAncestorOf(QWidget) → bool
ResizeDialog.isEnabled() → bool
ResizeDialog.isEnabledTo(QWidget) → bool
ResizeDialog.isEnabledToTLW() → bool
ResizeDialog.isFullScreen() → bool
ResizeDialog.isHidden() → bool
ResizeDialog.isLeftToRight() → bool
ResizeDialog.isMaximized() → bool
ResizeDialog.isMinimized() → bool
ResizeDialog.isModal() → bool
ResizeDialog.isRightToLeft() → bool
ResizeDialog.isSizeGripEnabled() → bool
ResizeDialog.isTopLevel() → bool
ResizeDialog.isVisible() → bool
ResizeDialog.isVisibleTo(QWidget) → bool
ResizeDialog.isWidgetType() → bool
ResizeDialog.isWindow() → bool
ResizeDialog.isWindowModified() → bool
ResizeDialog.keyPressEvent(QKeyEvent)
ResizeDialog.keyReleaseEvent(QKeyEvent)
ResizeDialog.keyboardGrabber() → QWidget
ResizeDialog.killTimer(int)
ResizeDialog.languageChange()
ResizeDialog.layout() → QLayout
ResizeDialog.layoutDirection() → Qt.LayoutDirection
ResizeDialog.leaveEvent(QEvent)
ResizeDialog.locale() → QLocale
ResizeDialog.logicalDpiX() → int
ResizeDialog.logicalDpiY() → int
ResizeDialog.lower()
ResizeDialog.mapFrom(QWidget, QPoint) → QPoint
ResizeDialog.mapFromGlobal(QPoint) → QPoint
ResizeDialog.mapFromParent(QPoint) → QPoint
ResizeDialog.mapTo(QWidget, QPoint) → QPoint
ResizeDialog.mapToGlobal(QPoint) → QPoint
ResizeDialog.mapToParent(QPoint) → QPoint
ResizeDialog.mask() → QRegion
ResizeDialog.maximumHeight() → int
ResizeDialog.maximumSize() → QSize
ResizeDialog.maximumWidth() → int
ResizeDialog.metaObject() → QMetaObject
ResizeDialog.metric(QPaintDevice.PaintDeviceMetric) → int
ResizeDialog.minimumHeight() → int
ResizeDialog.minimumSize() → QSize
ResizeDialog.minimumSizeHint() → QSize
ResizeDialog.minimumWidth() → int
ResizeDialog.mouseDoubleClickEvent(QMouseEvent)
ResizeDialog.mouseGrabber() → QWidget
ResizeDialog.mouseMoveEvent(QMouseEvent)
ResizeDialog.mousePressEvent(QMouseEvent)
ResizeDialog.mouseReleaseEvent(QMouseEvent)
ResizeDialog.move(QPoint)

QWidget.move(int, int)

ResizeDialog.moveEvent(QMoveEvent)
ResizeDialog.moveToThread(QThread)
ResizeDialog.nativeParentWidget() → QWidget
ResizeDialog.nextInFocusChain() → QWidget
ResizeDialog.normalGeometry() → QRect
ResizeDialog.numColors() → int
ResizeDialog.objectName() → QString
ResizeDialog.open()
ResizeDialog.orientation() → Qt.Orientation
ResizeDialog.overrideWindowFlags(Qt.WindowFlags)
ResizeDialog.overrideWindowState(Qt.WindowStates)
ResizeDialog.paintEngine() → QPaintEngine
ResizeDialog.paintEvent(QPaintEvent)
ResizeDialog.paintingActive() → bool
ResizeDialog.palette() → QPalette
ResizeDialog.paletteChange(QPalette)
ResizeDialog.parent() → QObject
ResizeDialog.parentWidget() → QWidget
ResizeDialog.physicalDpiX() → int
ResizeDialog.physicalDpiY() → int
ResizeDialog.pos() → QPoint
ResizeDialog.previousInFocusChain() → QWidget
ResizeDialog.property(str) → QVariant
ResizeDialog.pyqtConfigure(...)

Each keyword argument is either the name of a Qt property or a Qt signal. For properties the property is set to the given value which should be of an appropriate type. For signals the signal is connected to the given value which should be a callable.

ResizeDialog.raise_()
ResizeDialog.receivers(SIGNAL()) → int
ResizeDialog.rect() → QRect
ResizeDialog.reject()
ResizeDialog.rejected

QDialog.rejected [signal]

ResizeDialog.releaseKeyboard()
ResizeDialog.releaseMouse()
ResizeDialog.releaseShortcut(int)
ResizeDialog.removeAction(QAction)
ResizeDialog.removeEventFilter(QObject)
ResizeDialog.render(QPaintDevice, QPoint targetOffset=QPoint(), QRegion sourceRegion=QRegion(), QWidget.RenderFlags flags=QWidget.DrawWindowBackground|QWidget.DrawChildren)

QWidget.render(QPainter, QPoint targetOffset=QPoint(), QRegion sourceRegion=QRegion(), QWidget.RenderFlags flags=QWidget.DrawWindowBackground|QWidget.DrawChildren)

ResizeDialog.repaint()

QWidget.repaint(int, int, int, int) QWidget.repaint(QRect) QWidget.repaint(QRegion)

ResizeDialog.resetInputContext()
ResizeDialog.resize(QSize)

QWidget.resize(int, int)

ResizeDialog.resizeEvent(QResizeEvent)
ResizeDialog.restoreGeometry(QByteArray) → bool
ResizeDialog.result() → int
ResizeDialog.saveGeometry() → QByteArray
ResizeDialog.scroll(int, int)

QWidget.scroll(int, int, QRect)

ResizeDialog.sender() → QObject
ResizeDialog.senderSignalIndex() → int
ResizeDialog.setAcceptDrops(bool)
ResizeDialog.setAccessibleDescription(QString)
ResizeDialog.setAccessibleName(QString)
ResizeDialog.setAttribute(Qt.WidgetAttribute, bool on=True)
ResizeDialog.setAutoFillBackground(bool)
ResizeDialog.setBackgroundRole(QPalette.ColorRole)
ResizeDialog.setBaseSize(int, int)

QWidget.setBaseSize(QSize)

ResizeDialog.setContentsMargins(int, int, int, int)

QWidget.setContentsMargins(QMargins)

ResizeDialog.setContextMenuPolicy(Qt.ContextMenuPolicy)
ResizeDialog.setCursor(QCursor)
ResizeDialog.setDisabled(bool)
ResizeDialog.setEnabled(bool)
ResizeDialog.setExtension(QWidget)
ResizeDialog.setFixedHeight(int)
ResizeDialog.setFixedSize(QSize)

QWidget.setFixedSize(int, int)

ResizeDialog.setFixedWidth(int)
ResizeDialog.setFocus()

QWidget.setFocus(Qt.FocusReason)

ResizeDialog.setFocusPolicy(Qt.FocusPolicy)
ResizeDialog.setFocusProxy(QWidget)
ResizeDialog.setFont(QFont)
ResizeDialog.setForegroundRole(QPalette.ColorRole)
ResizeDialog.setGeometry(QRect)

QWidget.setGeometry(int, int, int, int)

ResizeDialog.setGraphicsEffect(QGraphicsEffect)
ResizeDialog.setHidden(bool)
ResizeDialog.setInputContext(QInputContext)
ResizeDialog.setInputMethodHints(Qt.InputMethodHints)
ResizeDialog.setLayout(QLayout)
ResizeDialog.setLayoutDirection(Qt.LayoutDirection)
ResizeDialog.setLocale(QLocale)
ResizeDialog.setMask(QBitmap)

QWidget.setMask(QRegion)

ResizeDialog.setMaximumHeight(int)
ResizeDialog.setMaximumSize(int, int)

QWidget.setMaximumSize(QSize)

ResizeDialog.setMaximumWidth(int)
ResizeDialog.setMinimumHeight(int)
ResizeDialog.setMinimumSize(int, int)

QWidget.setMinimumSize(QSize)

ResizeDialog.setMinimumWidth(int)
ResizeDialog.setModal(bool)
ResizeDialog.setMouseTracking(bool)
ResizeDialog.setObjectName(QString)
ResizeDialog.setOrientation(Qt.Orientation)
ResizeDialog.setPalette(QPalette)
ResizeDialog.setParent(QWidget)

QWidget.setParent(QWidget, Qt.WindowFlags)

ResizeDialog.setProperty(str, QVariant) → bool
ResizeDialog.setResult(int)
ResizeDialog.setShortcutAutoRepeat(int, bool enabled=True)
ResizeDialog.setShortcutEnabled(int, bool enabled=True)
ResizeDialog.setShown(bool)
ResizeDialog.setSizeGripEnabled(bool)
ResizeDialog.setSizeIncrement(int, int)

QWidget.setSizeIncrement(QSize)

ResizeDialog.setSizePolicy(QSizePolicy)

QWidget.setSizePolicy(QSizePolicy.Policy, QSizePolicy.Policy)

ResizeDialog.setStatusTip(QString)
ResizeDialog.setStyle(QStyle)
ResizeDialog.setStyleSheet(QString)
ResizeDialog.setTabOrder(QWidget, QWidget)
ResizeDialog.setToolTip(QString)
ResizeDialog.setUpdatesEnabled(bool)
ResizeDialog.setVisible(bool)
ResizeDialog.setWhatsThis(QString)
ResizeDialog.setWindowFilePath(QString)
ResizeDialog.setWindowFlags(Qt.WindowFlags)
ResizeDialog.setWindowIcon(QIcon)
ResizeDialog.setWindowIconText(QString)
ResizeDialog.setWindowModality(Qt.WindowModality)
ResizeDialog.setWindowModified(bool)
ResizeDialog.setWindowOpacity(float)
ResizeDialog.setWindowRole(QString)
ResizeDialog.setWindowState(Qt.WindowStates)
ResizeDialog.setWindowTitle(QString)
ResizeDialog.show()
ResizeDialog.showEvent(QShowEvent)
ResizeDialog.showExtension(bool)
ResizeDialog.showFullScreen()
ResizeDialog.showMaximized()
ResizeDialog.showMinimized()
ResizeDialog.showNormal()
ResizeDialog.signalsBlocked() → bool
ResizeDialog.size() → QSize
ResizeDialog.sizeHint() → QSize
ResizeDialog.sizeIncrement() → QSize
ResizeDialog.sizePolicy() → QSizePolicy
ResizeDialog.stackUnder(QWidget)
ResizeDialog.startTimer(int) → int
ResizeDialog.statusTip() → QString
ResizeDialog.style() → QStyle
ResizeDialog.styleSheet() → QString
ResizeDialog.tabletEvent(QTabletEvent)
ResizeDialog.testAttribute(Qt.WidgetAttribute) → bool
ResizeDialog.thread() → QThread
ResizeDialog.timerEvent(QTimerEvent)
ResizeDialog.toolTip() → QString
ResizeDialog.topLevelWidget() → QWidget
ResizeDialog.tr(str, str disambiguation=None, int n=-1) → QString
ResizeDialog.trUtf8(str, str disambiguation=None, int n=-1) → QString
ResizeDialog.underMouse() → bool
ResizeDialog.ungrabGesture(Qt.GestureType)
ResizeDialog.unsetCursor()
ResizeDialog.unsetLayoutDirection()
ResizeDialog.unsetLocale()
ResizeDialog.update()

QWidget.update(QRect) QWidget.update(QRegion) QWidget.update(int, int, int, int)

ResizeDialog.updateGeometry()
ResizeDialog.updateMicroFocus()
ResizeDialog.updatesEnabled() → bool
ResizeDialog.visibleRegion() → QRegion
ResizeDialog.whatsThis() → QString
ResizeDialog.wheelEvent(QWheelEvent)
ResizeDialog.width() → int
ResizeDialog.widthMM() → int
ResizeDialog.winId() → int
ResizeDialog.window() → QWidget
ResizeDialog.windowActivationChange(bool)
ResizeDialog.windowFilePath() → QString
ResizeDialog.windowFlags() → Qt.WindowFlags
ResizeDialog.windowIcon() → QIcon
ResizeDialog.windowIconText() → QString
ResizeDialog.windowModality() → Qt.WindowModality
ResizeDialog.windowOpacity() → float
ResizeDialog.windowRole() → QString
ResizeDialog.windowState() → Qt.WindowStates
ResizeDialog.windowTitle() → QString
ResizeDialog.windowType() → Qt.WindowType
ResizeDialog.x() → int
ResizeDialog.x11Info() → QX11Info
ResizeDialog.x11PictureHandle() → int
ResizeDialog.y() → int

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