def setExtent(self, center, width, height, rotation=0):
""" Set map extent to export settings.
This is a convenience method to set map extent to export settings.
Map settings should be set before this method is called.
:param center: Center of the map extent in the map CRS.
:type center: QgsPoint
:param width: Width of the map extent in unit of the map CRS.
:type width: float
:param height: Height of the map extent in unit of the map CRS.
:type height: float
:param rotation: Rotation in degrees. Requires QGIS version 2.8 or later.
:type rotation: float
"""
if self.mapSettings is None:
self.mapSettings = QgsMapSettings()
if rotation:
rect = RotatedRect(center, width, height, rotation)
rect.toMapSettings(self.mapSettings)
else:
rect = QgsRectangle(center.x() - width / 2, center.y() - height / 2,
center.x() + width / 2, center.y() + height / 2)
self.mapSettings.setExtent(rect)
self.settings.setMapSettings(self.mapSettings)
def setExtent(self, center, width, height, rotation=0):
""" Set map extent to export settings.
This is a convenience method to set map extent to export settings.
Map settings should be set before this method is called.
:param center: Center of the map extent in the map CRS.
:type center: QgsPoint
:param width: Width of the map extent in unit of the map CRS.
:type width: float
:param height: Height of the map extent in unit of the map CRS.
:type height: float
:param rotation: Rotation in degrees. Requires QGIS version 2.8 or later.
:type rotation: float
"""
if self.mapSettings is None:
self.mapSettings = QgsMapSettings()
if rotation:
rect = RotatedRect(center, width, height, rotation)
rect.toMapSettings(self.mapSettings)
else:
rect = QgsRectangle(center.x() - width / 2,
center.y() - height / 2,
center.x() + width / 2,
center.y() + height / 2)
self.mapSettings.setExtent(rect)
self.settings.setMapSettings(self.mapSettings)
def updateQuads(self, v=None):
isSimpleMode = self.radioButton_Simple.isChecked()
if isSimpleMode:
self.dialog.clearRubberBands()
return
apiChanged23 = QGis.QGIS_VERSION_INT >= 20300
canvas = self.dialog.iface.mapCanvas()
mapSettings = canvas.mapSettings(
) if apiChanged23 else canvas.mapRenderer()
baseExtent = RotatedRect.fromMapSettings(mapSettings)
p = {
"lineEdit_centerX": self.lineEdit_centerX.text(),
"lineEdit_centerY": self.lineEdit_centerY.text(),
"lineEdit_rectWidth": self.lineEdit_rectWidth.text(),
"lineEdit_rectHeight": self.lineEdit_rectHeight.text(),
"spinBox_Height": self.spinBox_Height.value()
}
quadtree = createQuadTree(baseExtent, p)
if quadtree:
self.dialog.createRubberBands(baseExtent, quadtree)
self.dialog.setWindowState(self.windowState() & ~Qt.WindowMinimized
| Qt.WindowActive)
else:
self.dialog.clearRubberBands()
def setMapSettings(self, settings):
"""settings: QgsMapSettings (QGIS >= 2.3) or QgsMapRenderer"""
self.canvas = None
self.mapSettings = settings
self.baseExtent = RotatedRect.fromMapSettings(settings)
self.crs = settings.destinationCrs()
def __init__(self, settings, canvas, pluginManager, localBrowsingMode=True):
self.data = settings
self.timestamp = datetime.datetime.today().strftime("%Y%m%d%H%M%S")
# output html file path
htmlfilename = settings.get("OutputFilename")
if not htmlfilename:
htmlfilename = tools.temporaryOutputDir() + "/%s.html" % self.timestamp
self.htmlfilename = htmlfilename
self.path_root = os.path.splitext(htmlfilename)[0]
self.htmlfiletitle = os.path.basename(self.path_root)
self.title = self.htmlfiletitle
# load configuration of the template
self.templateName = settings.get("Template", "")
templatePath = os.path.join(tools.templateDir(), self.templateName)
self.templateConfig = tools.getTemplateConfig(templatePath)
# MapTo3D object
world = settings.get(ObjectTreeItem.ITEM_WORLD, {})
baseSize = world.get("lineEdit_BaseSize", def_vals.baseSize)
verticalExaggeration = world.get("lineEdit_zFactor", def_vals.zExaggeration)
verticalShift = world.get("lineEdit_zShift", def_vals.zShift)
self.mapTo3d = MapTo3D(canvas, float(baseSize), float(verticalExaggeration), float(verticalShift))
self.coordsInWGS84 = world.get("radioButton_WGS84", False)
self.canvas = canvas
self.mapSettings = canvas.mapSettings() if apiChanged23 else canvas.mapRenderer()
self.baseExtent = RotatedRect.fromMapSettings(self.mapSettings)
self.pluginManager = pluginManager
self.localBrowsingMode = localBrowsingMode
self.crs = self.mapSettings.destinationCrs()
wgs84 = QgsCoordinateReferenceSystem(4326)
transform = QgsCoordinateTransform(self.crs, wgs84)
self.wgs84Center = transform.transform(self.baseExtent.center())
controls = settings.get(ObjectTreeItem.ITEM_CONTROLS, {})
self.controls = controls.get("comboBox_Controls")
if not self.controls:
self.controls = QSettings().value("/Qgis2threejs/lastControls", "OrbitControls.js", type=unicode)
self.demProvider = None
self.quadtree = None
if self.templateConfig.get("type") == "sphere":
self.exportMode = ExportSettings.SPHERE
return
demProperties = settings.get(ObjectTreeItem.ITEM_DEM, {})
self.demProvider = self.demProviderByLayerId(demProperties["comboBox_DEMLayer"])
if demProperties.get("radioButton_Simple", False):
self.exportMode = ExportSettings.PLAIN_SIMPLE
else:
self.exportMode = ExportSettings.PLAIN_MULTI_RES
self.quadtree = createQuadTree(self.baseExtent, demProperties)
def setMapSettings(self, settings):
"""settings: QgsMapSettings (QGIS >= 2.3) or QgsMapRenderer"""
self.canvas = None
self.mapSettings = settings
self.baseExtent = RotatedRect.fromMapSettings(settings)
self.crs = settings.destinationCrs()
def _rect(self, startPoint, endPoint):
if startPoint is None or endPoint is None:
return None
p0 = self.toCanvasCoordinates(startPoint)
p1 = self.toCanvasCoordinates(endPoint)
canvas_rect = QgsRectangle(QgsPoint(p0.x(), p0.y()),
QgsPoint(p1.x(), p1.y()))
center = QgsPoint((startPoint.x() + endPoint.x()) / 2,
(startPoint.y() + endPoint.y()) / 2)
return RotatedRect(center, self.mupp * canvas_rect.width(),
self.mupp * canvas_rect.height()).rotate(
self.rotation, center)
def __init__(self, mapSettings, planeWidth=100, verticalExaggeration=1, verticalShift=0):
# map canvas
self.rotation = mapSettings.rotation() if QGis.QGIS_VERSION_INT >= 20700 else 0
self.mapExtent = RotatedRect.fromMapSettings(mapSettings)
# 3d
canvas_size = mapSettings.outputSize()
self.planeWidth = planeWidth
self.planeHeight = planeWidth * canvas_size.height() / float(canvas_size.width())
self.verticalExaggeration = verticalExaggeration
self.verticalShift = verticalShift
self.multiplier = planeWidth / self.mapExtent.width()
self.multiplierZ = self.multiplier * verticalExaggeration
def __init__(self,
mapSettings,
planeWidth=100,
verticalExaggeration=1,
verticalShift=0):
# map canvas
self.rotation = mapSettings.rotation(
) if QGis.QGIS_VERSION_INT >= 20700 else 0
self.mapExtent = RotatedRect.fromMapSettings(mapSettings)
# 3d
canvas_size = mapSettings.outputSize()
self.planeWidth = planeWidth
self.planeHeight = planeWidth * canvas_size.height() / float(
canvas_size.width())
self.verticalExaggeration = verticalExaggeration
self.verticalShift = verticalShift
self.multiplier = planeWidth / self.mapExtent.width()
self.multiplierZ = self.multiplier * verticalExaggeration
def updateQuads(self, v=None):
isSimpleMode = self.radioButton_Simple.isChecked()
if isSimpleMode:
self.dialog.clearRubberBands()
return
apiChanged23 = QGis.QGIS_VERSION_INT >= 20300
canvas = self.dialog.iface.mapCanvas()
mapSettings = canvas.mapSettings() if apiChanged23 else canvas.mapRenderer()
baseExtent = RotatedRect.fromMapSettings(mapSettings)
p = {"lineEdit_centerX": self.lineEdit_centerX.text(),
"lineEdit_centerY": self.lineEdit_centerY.text(),
"lineEdit_rectWidth": self.lineEdit_rectWidth.text(),
"lineEdit_rectHeight": self.lineEdit_rectHeight.text(),
"spinBox_Height": self.spinBox_Height.value()}
quadtree = createQuadTree(baseExtent, p)
if quadtree:
self.dialog.createRubberBands(baseExtent, quadtree)
self.dialog.setWindowState(self.windowState() & ~Qt.WindowMinimized | Qt.WindowActive)
else:
self.dialog.clearRubberBands()
def draw(self, renderContext):
extent = renderContext.extent()
if extent.isEmpty() or extent.width() == float("inf"):
qDebug("Drawing is skipped because map extent is empty or inf.")
return True
map2pixel = renderContext.mapToPixel()
mupp = map2pixel.mapUnitsPerPixel()
rotation = map2pixel.mapRotation()
painter = renderContext.painter()
viewport = painter.viewport()
isWebMercator = True
transform = renderContext.coordinateTransform()
if transform:
isWebMercator = transform.destCRS().postgisSrid() == 3857
# frame layer isn't drawn if the CRS is not web mercator or map is rotated
if self.layerDef.serviceUrl[0] == ":" and "frame" in self.layerDef.serviceUrl: # or "number" in self.layerDef.serviceUrl:
msg = ""
if not isWebMercator:
msg = self.tr("Frame layer is not drawn if the CRS is not EPSG:3857")
elif rotation:
msg = self.tr("Frame layer is not drawn if map is rotated")
if msg:
self.showMessageBar(msg, QgsMessageBar.INFO, 2)
return True
if not isWebMercator:
# get extent in project CRS
cx, cy = 0.5 * viewport.width(), 0.5 * viewport.height()
center = map2pixel.toMapCoordinatesF(cx, cy)
mapExtent = RotatedRect(center, mupp * viewport.width(), mupp * viewport.height(), rotation)
if transform:
transform = QgsCoordinateTransform(transform.destCRS(), transform.sourceCrs())
geometry = QgsGeometry.fromPolyline([map2pixel.toMapCoordinatesF(cx - 0.5, cy), map2pixel.toMapCoordinatesF(cx + 0.5, cy)])
geometry.transform(transform)
mupp = geometry.length()
# get bounding box of the extent in EPSG:3857
geometry = mapExtent.geometry()
geometry.transform(transform)
extent = geometry.boundingBox()
else:
qDebug("Drawing is skipped because CRS transformation is not ready.")
return True
elif rotation:
# get bounding box of the extent
mapExtent = RotatedRect(extent.center(), mupp * viewport.width(), mupp * viewport.height(), rotation)
extent = mapExtent.boundingBox()
# calculate zoom level
tile_mpp1 = self.layerDef.TSIZE1 / self.layerDef.TILE_SIZE
zoom = int(math.ceil(math.log(tile_mpp1 / mupp, 2) + 1))
zoom = max(0, min(zoom, self.layerDef.zmax))
#zoom = max(self.layerDef.zmin, zoom)
# zoom limit
if zoom < self.layerDef.zmin:
if self.plugin.navigationMessagesEnabled:
msg = self.tr("Current zoom level ({0}) is smaller than zmin ({1}): {2}").format(zoom, self.layerDef.zmin, self.layerDef.title)
self.showMessageBar(msg, QgsMessageBar.INFO, 2)
return True
while True:
# calculate tile range (yOrigin is top)
size = self.layerDef.TSIZE1 / 2 ** (zoom - 1)
matrixSize = 2 ** zoom
ulx = max(0, int((extent.xMinimum() + self.layerDef.TSIZE1) / size))
uly = max(0, int((self.layerDef.TSIZE1 - extent.yMaximum()) / size))
lrx = min(int((extent.xMaximum() + self.layerDef.TSIZE1) / size), matrixSize - 1)
lry = min(int((self.layerDef.TSIZE1 - extent.yMinimum()) / size), matrixSize - 1)
# bounding box limit
if self.layerDef.bbox:
trange = self.layerDef.bboxDegreesToTileRange(zoom, self.layerDef.bbox)
ulx = max(ulx, trange.xmin)
uly = max(uly, trange.ymin)
lrx = min(lrx, trange.xmax)
lry = min(lry, trange.ymax)
if lrx < ulx or lry < uly:
# tile range is out of the bounding box
return True
# tile count limit
tileCount = (lrx - ulx + 1) * (lry - uly + 1)
if tileCount > self.MAX_TILE_COUNT:
# as tile count is over the limit, decrease zoom level
zoom -= 1
# if the zoom level is less than the minimum, do not draw
if zoom < self.layerDef.zmin:
msg = self.tr("Tile count is over limit ({0}, max={1})").format(tileCount, self.MAX_TILE_COUNT)
self.showMessageBar(msg, QgsMessageBar.WARNING, 4)
return True
continue
# zoom level has been determined
break
self.logT("TileLayer.draw: {0} {1} {2} {3} {4}".format(zoom, ulx, uly, lrx, lry))
# save painter state
painter.save()
# set pen and font
painter.setPen(Qt.black)
font = QFont(painter.font())
font.setPointSize(10)
painter.setFont(font)
if self.layerDef.serviceUrl[0] == ":":
painter.setBrush(QBrush(Qt.NoBrush))
self.drawDebugInfo(renderContext, zoom, ulx, uly, lrx, lry)
else:
# create a Tiles object and a list of urls to fetch tile image data
tiles = Tiles(zoom, ulx, uly, lrx, lry, self.layerDef)
urls = []
cachedTiles = self.tiles
cacheHits = 0
for ty in range(uly, lry + 1):
for tx in range(ulx, lrx + 1):
data = None
url = self.layerDef.tileUrl(zoom, tx, ty)
if cachedTiles and zoom == cachedTiles.zoom and url in cachedTiles.tiles:
data = cachedTiles.tiles[url].data
tiles.addTile(url, Tile(zoom, tx, ty, data))
if data is None:
urls.append(url)
elif data: # memory cache exists
cacheHits += 1
# else: # tile not found
self.tiles = tiles
if len(urls) > 0:
# fetch tile data
files = self.fetchFiles(urls, renderContext)
for url, data in files.items():
tiles.setImageData(url, data)
if self.iface:
stats = self.downloader.stats()
allCacheHits = cacheHits + stats["cacheHits"]
msg = self.tr("{0} files downloaded. {1} caches hit.").format(stats["downloaded"], allCacheHits)
barmsg = None
if self.downloader.errorStatus != Downloader.NO_ERROR:
if self.downloader.errorStatus == Downloader.TIMEOUT_ERROR:
barmsg = self.tr("Download Timeout - {0}").format(self.name())
elif stats["errors"] > 0:
msg += self.tr(" {0} files failed.").format(stats["errors"])
if stats["successed"] + allCacheHits == 0:
barmsg = self.tr("Failed to download all {0} files. - {1}").format(stats["errors"], self.name())
self.showStatusMessage(msg, 5000)
if barmsg:
self.showMessageBar(barmsg, QgsMessageBar.WARNING, 4)
# apply layer style
oldOpacity = painter.opacity()
painter.setOpacity(0.01 * (100 - self.transparency))
oldSmoothRenderHint = painter.testRenderHint(QPainter.SmoothPixmapTransform)
if self.smoothRender:
painter.setRenderHint(QPainter.SmoothPixmapTransform)
# do not start drawing tiles if rendering has been stopped
if renderContext.renderingStopped():
self.log("draw(): renderingStopped!")
painter.restore()
return True
# draw tiles
if isWebMercator and rotation == 0:
self.drawTiles(renderContext, tiles)
# self.drawTilesDirectly(renderContext, tiles)
else:
# reproject tiles
self.drawTilesOnTheFly(renderContext, mapExtent, tiles)
# restore old state
painter.setOpacity(oldOpacity)
if self.smoothRender:
painter.setRenderHint(QPainter.SmoothPixmapTransform, oldSmoothRenderHint)
# draw credit on the bottom right corner
if self.creditVisibility and self.layerDef.attribution:
margin, paddingH, paddingV = (3, 4, 3)
# scale
scaleX, scaleY = self.getScaleToVisibleExtent(renderContext)
scale = max(scaleX, scaleY)
painter.scale(scale, scale)
visibleSWidth = painter.viewport().width() * scaleX / scale
visibleSHeight = painter.viewport().height() * scaleY / scale
rect = QRect(0, 0, visibleSWidth - margin, visibleSHeight - margin)
textRect = painter.boundingRect(rect, Qt.AlignBottom | Qt.AlignRight, self.layerDef.attribution)
bgRect = QRect(textRect.left() - paddingH, textRect.top() - paddingV, textRect.width() + 2 * paddingH, textRect.height() + 2 * paddingV)
painter.fillRect(bgRect, QColor(240, 240, 240, 150))
painter.drawText(rect, Qt.AlignBottom | Qt.AlignRight, self.layerDef.attribution)
# restore painter state
painter.restore()
return True
def writeSurroundingDEM(writer, layer, warp_dem, stats, properties, progress=None):
settings = writer.settings
mapSettings = settings.mapSettings
mapTo3d = settings.mapTo3d
baseExtent = settings.baseExtent
progress = progress or dummyProgress
# options
size = properties["spinBox_Size"]
roughening = properties["spinBox_Roughening"]
transparency = properties["spinBox_demtransp"]
transp_background = properties.get("checkBox_TransparentBackground", False)
prop = DEMPropertyReader(properties)
dem_width = (prop.width() - 1) / roughening + 1
dem_height = (prop.height() - 1) / roughening + 1
# texture image size
canvas_size = mapSettings.outputSize()
hpw = float(canvas_size.height()) / canvas_size.width()
if hpw < 1:
image_width = settings.image_basesize
image_height = round(image_width * hpw)
#image_height = settings.image_basesize * max(1, int(round(1 / hpw))) # not rendered expectedly
else:
image_height = settings.image_basesize
image_width = round(image_height / hpw)
center = baseExtent.center()
rotation = baseExtent.rotation()
size2 = size * size
for i in range(size2):
progress(20 * i / size2 + 10)
if i == (size2 - 1) / 2: # center (map canvas)
continue
# block extent
sx = i % size - (size - 1) / 2
sy = i / size - (size - 1) / 2
block_center = QgsPoint(center.x() + sx * baseExtent.width(), center.y() + sy * baseExtent.height())
extent = RotatedRect(block_center, baseExtent.width(), baseExtent.height()).rotate(rotation, center)
# warp dem
dem_values = warp_dem.read(dem_width, dem_height, extent.geotransform(dem_width, dem_height))
if stats is None:
stats = {"max": max(dem_values), "min": min(dem_values)}
else:
stats["max"] = max(max(dem_values), stats["max"])
stats["min"] = min(min(dem_values), stats["min"])
# shift and scale
if mapTo3d.verticalShift != 0:
dem_values = map(lambda x: x + mapTo3d.verticalShift, dem_values)
if mapTo3d.multiplierZ != 1:
dem_values = map(lambda x: x * mapTo3d.multiplierZ, dem_values)
# generate javascript data file
# dem block
block = {"width": dem_width, "height": dem_height}
block["plane"] = {"width": mapTo3d.planeWidth, "height": mapTo3d.planeHeight,
"offsetX": mapTo3d.planeWidth * sx, "offsetY": mapTo3d.planeHeight * sy}
# display type
if properties.get("radioButton_MapCanvas", False):
block["m"] = layer.materialManager.getMapImageIndex(image_width, image_height, extent, transparency, transp_background)
elif properties.get("radioButton_LayerImage", False):
layerids = properties.get("layerImageIds", [])
block["m"] = layer.materialManager.getLayerImageIndex(layerids, image_width, image_height, extent, transparency, transp_background)
elif properties.get("radioButton_SolidColor", False):
block["m"] = layer.materialManager.getMeshLambertIndex(properties["lineEdit_Color"], transparency, True)
# write block
writer.write("bl = lyr.addBlock({0});\n".format(pyobj2js(block)))
writer.write("bl.data = [{0}];\n".format(",".join(map(gdal2threejs.formatValue, dem_values))))
def surroundingDEMBlocks(writer, layer, provider, properties, progress=None):
settings = writer.settings
canvas_size = settings.mapSettings.outputSize()
mapTo3d = settings.mapTo3d()
baseExtent = settings.baseExtent
progress = progress or dummyProgress
# options
size = properties["spinBox_Size"]
roughening = properties["spinBox_Roughening"]
texture_scale = properties.get("comboBox_TextureSize", 100) / 100
transparency = properties.get("spinBox_demtransp", 0)
transp_background = properties.get("checkBox_TransparentBackground", False)
prop = DEMPropertyReader(properties)
dem_size = prop.demSize(canvas_size)
dem_width = (dem_size.width() - 1) / roughening + 1
dem_height = (dem_size.height() - 1) / roughening + 1
# texture size
image_width = canvas_size.width() * texture_scale
image_height = canvas_size.height() * texture_scale
center = baseExtent.center()
rotation = baseExtent.rotation()
blocks = []
size2 = size * size
for i in range(size2):
progress(20 * i / size2 + 10)
if i == (size2 - 1) / 2: # center (map canvas)
continue
# block extent
sx = i % size - (size - 1) / 2
sy = i / size - (size - 1) / 2
block_center = QgsPoint(center.x() + sx * baseExtent.width(),
center.y() + sy * baseExtent.height())
extent = RotatedRect(block_center, baseExtent.width(),
baseExtent.height()).rotate(rotation, center)
# display type
if properties.get("radioButton_MapCanvas", False):
mat = layer.materialManager.getMapImageIndex(
image_width, image_height, extent, transparency,
transp_background)
elif properties.get("radioButton_LayerImage", False):
layerids = properties.get("layerImageIds", [])
mat = layer.materialManager.getLayerImageIndex(
layerids, image_width, image_height, extent, transparency,
transp_background)
else: #.get("radioButton_SolidColor", False)
mat = layer.materialManager.getMeshLambertIndex(
properties.get("lineEdit_Color", ""), transparency, True)
# DEM block
dem_values = provider.read(dem_width, dem_height, extent)
planeWidth, planeHeight = mapTo3d.planeWidth, mapTo3d.planeHeight
offsetX, offsetY = planeWidth * sx, planeHeight * sy
block = DEMBlock(dem_width, dem_height, dem_values, planeWidth,
planeHeight, offsetX, offsetY)
block.zShift(mapTo3d.verticalShift)
block.zScale(mapTo3d.multiplierZ)
block.set("m", mat)
blocks.append(block)
return blocks
def draw(self, renderContext):
self.renderContext = renderContext
painter = renderContext.painter()
viewport = painter.viewport()
extent = renderContext.extent()
if extent.isEmpty() or extent.width() == float("inf"):
qDebug("Drawing is skipped because map extent is empty or inf.")
return True
map2pixel = renderContext.mapToPixel()
mupp = map2pixel.mapUnitsPerPixel()
rotation = map2pixel.mapRotation() if self.plugin.apiChanged27 else 0.0
mpp = mupp # meters per pixel
if rotation != 0.0:
# get bounding box of the extent
mapExtent = RotatedRect(extent.center(), mupp * viewport.width(), mupp * viewport.height(), rotation)
extent = mapExtent.boundingBox()
# calculate zoom level
tile_mpp1 = self.layerDef.PSEUDO_MERCATOR_MAX_COORD / self.layerDef.TILE_SIZE
self.zoom = int(math.ceil(math.log(tile_mpp1 / mpp, 2) + 1))
self.zoom = max(0, min(self.zoom, self.layerDef.zmax))
#if current zoom is not in layer range then bail
if not self.zoom_is_in_range():
return True
self.calculate_tile_range(extent)
#if tile range is not good
if not self.tile_range.valid:
return True
if not self.tilecount_is_in_range():
return True
self.tile_manager.update(self.zoom, self.tile_range)
tiles = self.tile_manager.get_tiles()
# apply layer style
# save painter state
painter.save()
oldOpacity = painter.opacity()
painter.setOpacity(0.01 * (100 - self.transparency))
oldSmoothRenderHint = painter.testRenderHint(QPainter.SmoothPixmapTransform)
if self.smoothRender:
painter.setRenderHint(QPainter.SmoothPixmapTransform)
# draw tiles
if rotation == 0.0:
# no need to reproject tiles
self.render_tiles(renderContext, tiles)
else:
# reproject tiles
cx, cy = 0.5 * viewport.width(), 0.5 * viewport.height()
center = map2pixel.toMapCoordinatesF(cx, cy)
mapExtent = RotatedRect(center, mupp * viewport.width(), mupp * viewport.height(), rotation)
self.render_tiles_warp_on_the_fly(renderContext, mapExtent, tiles)
# restore layer style
painter.setOpacity(oldOpacity)
if self.smoothRender:
painter.setRenderHint(QPainter.SmoothPixmapTransform, oldSmoothRenderHint)
# restore painter state
painter.restore()
return True