overview.core

Overview pannel for GDAL raster bands.

Functions

overrideCursor(func)

Classes

BandOverviewDock(app[, flags])
NavigationGraphicsView([parent])	Graphics view for dataset navigation.
OverviewController(app, **kwargs)

class overview.core.BandOverviewDock(app, flags=<PyQt4.QtCore.WindowFlags object at 0x48667c0>, **kwargs)

Bases: PyQt4.QtGui.QDockWidget

OVRMAXSIZE = 10485760

centerMainViewOn(scenepos)

reset()

setItem(*args, **kwargs)

updateMainViewBox(srcview=None)

class overview.core.NavigationGraphicsView(parent=None, **kwargs)

Bases: PyQt4.QtGui.QGraphicsView

Graphics view for dataset navigation.

The view usually displays an auto-scalled low resolution overview of the scene with a red box indicating the area currently displayed in the high resolution view.

Signals :

• mousePressed
• mouseMoved

BOXCOLOR = <PyQt4.QtGui.QColor object at 0x4866750>

autoscale

drawForeground(painter, rect)

fitInView(rect=None, aspectRatioMode=1)

getbox()

mouseMoveEvent(event)

mouseMoved

SIGNAL: it is emitted when the mouse is moved on the view

Parameters:

• point – the scene position
• mousebutton – the ID of the pressed button
• dragmode – current darg mode

C++ signature:

void mouseMoved(QPointF, Qt::MouseButtons, QGraphicsView::DragMode)

mousePressEvent(event)

mousePressed

SIGNAL: it is emitted when a mouse button is presses on the view

Parameters:

• point – the scene position
• mousebutton – the ID of the pressed button
• dragmode – current darg mode

C++ signature:

void mousePressed(QPointF, Qt::MouseButtons, QGraphicsView::DragMode)

resizeEvent(event)

setbox(box)

viewbox

viewport box in scene coordinates

class overview.core.OverviewController(app, **kwargs)

Bases: PyQt4.QtCore.QObject

onItemChanged(item)

onNewPos(pos, buttons, dragmode)

onSubWindowChanged(subwin=None)

onWindowClosed()