diff options
Diffstat (limited to 'src/silx/gui/plot3d/Plot3DWidget.py')
| -rw-r--r-- | src/silx/gui/plot3d/Plot3DWidget.py | 134 |
1 files changed, 73 insertions, 61 deletions
diff --git a/src/silx/gui/plot3d/Plot3DWidget.py b/src/silx/gui/plot3d/Plot3DWidget.py index 09e06a2..9a88fe3 100644 --- a/src/silx/gui/plot3d/Plot3DWidget.py +++ b/src/silx/gui/plot3d/Plot3DWidget.py @@ -66,10 +66,9 @@ class _OverviewViewport(scene.Viewport): # Add a point to draw the background (in a group with depth mask) backgroundPoint = primitives.ColorPoints( - x=0., y=0., z=0., - color=(1., 1., 1., 0.5), - size=self._SIZE) - backgroundPoint.marker = 'o' + x=0.0, y=0.0, z=0.0, color=(1.0, 1.0, 1.0, 0.5), size=self._SIZE + ) + backgroundPoint.marker = "o" noDepthGroup = primitives.GroupNoDepth(mask=True, notest=True) noDepthGroup.children.append(backgroundPoint) self.scene.children.append(noDepthGroup) @@ -86,11 +85,12 @@ class _OverviewViewport(scene.Viewport): Sync the overview camera to point in the same direction but from a sphere centered on origin. """ - position = -12. * source.extrinsic.direction + position = -12.0 * source.extrinsic.direction self.camera.extrinsic.position = position self.camera.extrinsic.setOrientation( - source.extrinsic.direction, source.extrinsic.up) + source.extrinsic.direction, source.extrinsic.up + ) class Plot3DWidget(glu.OpenGLWidget): @@ -116,10 +116,10 @@ class Plot3DWidget(glu.OpenGLWidget): class FogMode(_Enum): """Different mode to render the scene with fog""" - NONE = 'none' + NONE = "none" """No fog effect""" - LINEAR = 'linear' + LINEAR = "linear" """Linear fog through the whole scene""" def __init__(self, parent=None, f=qt.Qt.Widget): @@ -131,7 +131,8 @@ class Plot3DWidget(glu.OpenGLWidget): depthBufferSize=0, stencilBufferSize=0, version=(2, 1), - f=f) + f=f, + ) self.setAutoFillBackground(False) self.setMouseTracking(True) @@ -145,22 +146,24 @@ class Plot3DWidget(glu.OpenGLWidget): # Main viewport self.viewport = scene.Viewport() - self._sceneScale = transform.Scale(1., 1., 1.) - self.viewport.scene.transforms = [self._sceneScale, - transform.Translate(0., 0., 0.)] + self._sceneScale = transform.Scale(1.0, 1.0, 1.0) + self.viewport.scene.transforms = [ + self._sceneScale, + transform.Translate(0.0, 0.0, 0.0), + ] # Overview area self.overview = _OverviewViewport(self.viewport.camera) - self.setBackgroundColor((0.2, 0.2, 0.2, 1.)) + self.setBackgroundColor((0.2, 0.2, 0.2, 1.0)) # Window describing on screen area to render - self._window = scene.Window(mode='framebuffer') + self._window = scene.Window(mode="framebuffer") self._window.viewports = [self.viewport, self.overview] self._window.addListener(self._redraw) self.eventHandler = None - self.setInteractiveMode('rotate') + self.setInteractiveMode("rotate") def __clickHandler(self, *args): """Handle interaction state machine click""" @@ -180,31 +183,35 @@ class Plot3DWidget(glu.OpenGLWidget): if mode is None: self.eventHandler = None - elif mode == 'rotate': + elif mode == "rotate": self.eventHandler = interaction.RotateCameraControl( self.viewport, orbitAroundCenter=False, - mode='position', + mode="position", scaleTransform=self._sceneScale, - selectCB=self.__clickHandler) + selectCB=self.__clickHandler, + ) - elif mode == 'pan': + elif mode == "pan": self.eventHandler = interaction.PanCameraControl( self.viewport, orbitAroundCenter=False, - mode='position', + mode="position", scaleTransform=self._sceneScale, - selectCB=self.__clickHandler) + selectCB=self.__clickHandler, + ) elif isinstance(mode, interaction.StateMachine): self.eventHandler = mode else: - raise ValueError('Unsupported interactive mode %s', str(mode)) + raise ValueError("Unsupported interactive mode %s", str(mode)) - if (self.eventHandler is not None and - qt.QApplication.keyboardModifiers() & qt.Qt.ControlModifier): - self.eventHandler.handleEvent('keyPress', qt.Qt.Key_Control) + if ( + self.eventHandler is not None + and qt.QApplication.keyboardModifiers() & qt.Qt.ControlModifier + ): + self.eventHandler.handleEvent("keyPress", qt.Qt.Key_Control) self.sigInteractiveModeChanged.emit() @@ -216,9 +223,9 @@ class Plot3DWidget(glu.OpenGLWidget): if self.eventHandler is None: return None if isinstance(self.eventHandler, interaction.RotateCameraControl): - return 'rotate' + return "rotate" elif isinstance(self.eventHandler, interaction.PanCameraControl): - return 'pan' + return "pan" else: return None @@ -227,13 +234,12 @@ class Plot3DWidget(glu.OpenGLWidget): :param str projection: In 'perspective', 'orthographic'. """ - if projection == 'orthographic': + if projection == "orthographic": projection = transform.Orthographic(size=self.viewport.size) - elif projection == 'perspective': - projection = transform.Perspective(fovy=30., - size=self.viewport.size) + elif projection == "perspective": + projection = transform.Perspective(fovy=30.0, size=self.viewport.size) else: - raise RuntimeError('Unsupported projection: %s' % projection) + raise RuntimeError("Unsupported projection: %s" % projection) self.viewport.camera.intrinsic = projection self.viewport.resetCamera() @@ -245,11 +251,11 @@ class Plot3DWidget(glu.OpenGLWidget): """ projection = self.viewport.camera.intrinsic if isinstance(projection, transform.Orthographic): - return 'orthographic' + return "orthographic" elif isinstance(projection, transform.Perspective): - return 'perspective' + return "perspective" else: - raise RuntimeError('Unknown projection in use') + raise RuntimeError("Unknown projection in use") def setBackgroundColor(self, color): """Set the background color of the OpenGL view. @@ -261,7 +267,7 @@ class Plot3DWidget(glu.OpenGLWidget): color = rgba(color) if color != self.viewport.background: self.viewport.background = color - self.sigStyleChanged.emit('backgroundColor') + self.sigStyleChanged.emit("backgroundColor") def getBackgroundColor(self): """Returns the RGBA background color (QColor).""" @@ -276,7 +282,7 @@ class Plot3DWidget(glu.OpenGLWidget): mode = self.FogMode.from_value(mode) if mode != self.getFogMode(): self.viewport.fog.isOn = mode is self.FogMode.LINEAR - self.sigStyleChanged.emit('fogMode') + self.sigStyleChanged.emit("fogMode") def getFogMode(self): """Returns the kind of fog in use @@ -307,13 +313,13 @@ class Plot3DWidget(glu.OpenGLWidget): self._window.viewports = [self.viewport, self.overview] else: self._window.viewports = [self.viewport] - self.sigStyleChanged.emit('orientationIndicatorVisible') + self.sigStyleChanged.emit("orientationIndicatorVisible") def centerScene(self): """Position the center of the scene at the center of rotation.""" self.viewport.resetCamera() - def resetZoom(self, face='front'): + def resetZoom(self, face="front"): """Reset the camera position to a default. :param str face: The direction the camera is looking at: @@ -344,7 +350,9 @@ class Plot3DWidget(glu.OpenGLWidget): if self.viewport.dirty: self.viewport.adjustCameraDepthExtent() - self._window.render(self.context(), self.getDevicePixelRatio()) + self._window.render( + self.context(), self.getDotsPerInch(), self.getDevicePixelRatio() + ) if self._firstRender: # TODO remove this ugly hack self._firstRender = False @@ -366,7 +374,7 @@ class Plot3DWidget(glu.OpenGLWidget): :rtype: QImage """ if not self.isValid(): - _logger.error('OpenGL 2.1 not available, cannot save OpenGL image') + _logger.error("OpenGL 2.1 not available, cannot save OpenGL image") height, width = self._window.shape image = numpy.zeros((height, width, 3), dtype=numpy.uint8) @@ -380,22 +388,22 @@ class Plot3DWidget(glu.OpenGLWidget): x, y = qt.getMouseEventPosition(event) xpixel = x * self.getDevicePixelRatio() ypixel = y * self.getDevicePixelRatio() - angle = event.angleDelta().y() / 8. + angle = event.angleDelta().y() / 8.0 event.accept() if self.eventHandler is not None and angle != 0 and self.isValid(): self.makeCurrent() - self.eventHandler.handleEvent('wheel', xpixel, ypixel, angle) + self.eventHandler.handleEvent("wheel", xpixel, ypixel, angle) def keyPressEvent(self, event): keyCode = event.key() # No need to accept QKeyEvent converter = { - qt.Qt.Key_Left: 'left', - qt.Qt.Key_Right: 'right', - qt.Qt.Key_Up: 'up', - qt.Qt.Key_Down: 'down' + qt.Qt.Key_Left: "left", + qt.Qt.Key_Right: "right", + qt.Qt.Key_Up: "up", + qt.Qt.Key_Down: "down", } direction = converter.get(keyCode, None) if direction is not None: @@ -407,10 +415,12 @@ class Plot3DWidget(glu.OpenGLWidget): self.viewport.orbitCamera(direction) else: - if (keyCode == qt.Qt.Key_Control and - self.eventHandler is not None and - self.isValid()): - self.eventHandler.handleEvent('keyPress', keyCode) + if ( + keyCode == qt.Qt.Key_Control + and self.eventHandler is not None + and self.isValid() + ): + self.eventHandler.handleEvent("keyPress", keyCode) # Key not handled, call base class implementation super(Plot3DWidget, self).keyPressEvent(event) @@ -418,17 +428,19 @@ class Plot3DWidget(glu.OpenGLWidget): def keyReleaseEvent(self, event): """Catch Ctrl key release""" keyCode = event.key() - if (keyCode == qt.Qt.Key_Control and - self.eventHandler is not None and - self.isValid()): - self.eventHandler.handleEvent('keyRelease', keyCode) + if ( + keyCode == qt.Qt.Key_Control + and self.eventHandler is not None + and self.isValid() + ): + self.eventHandler.handleEvent("keyRelease", keyCode) super(Plot3DWidget, self).keyReleaseEvent(event) # Mouse events # _MOUSE_BTNS = { - qt.Qt.LeftButton: 'left', - qt.Qt.RightButton: 'right', - qt.Qt.MiddleButton: 'middle', + qt.Qt.LeftButton: "left", + qt.Qt.RightButton: "right", + qt.Qt.MiddleButton: "middle", } def mousePressEvent(self, event): @@ -440,7 +452,7 @@ class Plot3DWidget(glu.OpenGLWidget): if self.eventHandler is not None and self.isValid(): self.makeCurrent() - self.eventHandler.handleEvent('press', xpixel, ypixel, btn) + self.eventHandler.handleEvent("press", xpixel, ypixel, btn) def mouseMoveEvent(self, event): x, y = qt.getMouseEventPosition(event) @@ -450,7 +462,7 @@ class Plot3DWidget(glu.OpenGLWidget): if self.eventHandler is not None and self.isValid(): self.makeCurrent() - self.eventHandler.handleEvent('move', xpixel, ypixel) + self.eventHandler.handleEvent("move", xpixel, ypixel) def mouseReleaseEvent(self, event): x, y = qt.getMouseEventPosition(event) @@ -461,4 +473,4 @@ class Plot3DWidget(glu.OpenGLWidget): if self.eventHandler is not None and self.isValid(): self.makeCurrent() - self.eventHandler.handleEvent('release', xpixel, ypixel, btn) + self.eventHandler.handleEvent("release", xpixel, ypixel, btn) |