def on_mPageStyleButton_clicked(self):
if self.timeStart != 0:
self.timeEnd = time.time()
print self.timeEnd
if self.timeEnd - self.timeStart <= 2:
self.timeStart = 0
return
if ( not self.mComposition ):
return
coverageLayer = None
# use the atlas coverage layer, if any
if ( self.mComposition.atlasComposition().enabled() ):
coverageLayer = self.mComposition.atlasComposition().coverageLayer()
newSymbol = self.mComposition.pageStyleSymbol().clone()
if ( not newSymbol ):
newSymbol = QgsFillSymbolV2()
d = QgsSymbolV2SelectorDialog( newSymbol, QgsStyleV2.defaultStyle(), coverageLayer, self)
d.setExpressionContext( self.mComposition.createExpressionContext() )
if ( d.exec_() == QDialog.Accepted ):
self.mComposition.setPageStyleSymbol( newSymbol )
self.updatePageStyle()
self.timeStart = time.time()
def test_add_symbol_to_legend(self):
"""Test we can add a symbol to the legend."""
layer, _ = load_layer('test_floodimpact.tif')
map_legend = MapLegend(layer)
symbol = QgsFillSymbolV2()
symbol.setColor(QtGui.QColor(12, 34, 56))
map_legend.add_symbol(
symbol,
minimum=0,
# expect 2.0303 in legend
maximum=2.02030,
label='Foo')
path = unique_filename(
prefix='addSymbolToLegend',
suffix='.png',
dir=temp_dir('test'))
map_legend.get_legend().save(path, 'PNG')
LOGGER.debug(path)
# As we have discovered, different versions of Qt and
# OS platforms cause different output, so myControlImages is a list
# of 'known good' renders.
tolerance = 0 # to allow for version number changes in disclaimer
flag, message = check_images(
'addSymbolToLegend', path, tolerance)
message += (
'\nWe want these images to match, if they do already, copy the '
'test image generated to create a new control image.')
self.assertTrue(flag, message)
def validatedDefaultSymbol(geometryType):
symbol = QgsSymbolV2.defaultSymbol(geometryType)
if symbol is None:
if geometryType == QGis.Point:
symbol = QgsMarkerSymbolV2()
elif geometryType == QGis.Line:
symbol = QgsLineSymbolV2()
elif geometryType == QGis.Polygon:
symbol = QgsFillSymbolV2()
return symbol
def get_default_symbol( geom_type):
symbol = QgsSymbolV2.defaultSymbol(geom_type)
if symbol is None:
if geom_type == QGis.Point:
symbol = QgsMarkerSymbolV2()
elif geom_type == QGis.Line:
symbol = QgsLineSymbolV2()
elif geom_type == QGis.Polygon:
symbol = QgsFillSymbolV2()
return symbol
def _validated_default_symbol(self, geometryType):
"""Validates that the symbol is of the correct type, (point, line or
polygon and then returning a Qgis type symbol)"""
symbol = QgsSymbolV2.defaultSymbol(geometryType)
if symbol is None:
if geometryType == QGis.Point:
symbol = QgsMarkerSymbolV2()
elif geometryType == QGis.Line:
symbol = QgsLineSymbolV2()
elif geometryType == QGis.Polygon:
symbol = QgsFillSymbolV2()
return symbol
def prepare_renderer(levels, inter_time, lenpoly):
cats = [('{} - {} min'.format(levels[i] - inter_time, levels[i]),
levels[i] - inter_time, levels[i])
for i in xrange(lenpoly)] # label, lower bound, upper bound
colors = get_isochrones_colors(len(levels))
ranges = []
for ix, cat in enumerate(cats):
symbol = QgsFillSymbolV2()
symbol.setColor(QtGui.QColor(colors[ix]))
rng = QgsRendererRangeV2(cat[1], cat[2], symbol, cat[0])
ranges.append(rng)
expression = 'max'
return QgsGraduatedSymbolRendererV2(expression, ranges)
raster_legend = atlas_legend.modelV2().rootGroup().addLayer(raster_layer)
QgsLegendRenderer.setNodeLegendStyle(raster_legend, QgsComposerLegendStyle.Hidden)
atlas_legend.updateLegend()
# atlas_legend.refreshLayerLegend(raster_legend)
stats_table = composition.getComposerItemById("stats_table").multiFrame()
stats_table.setContentMode(QgsComposerHtml.ManualHtml)
title_label = composition.getComposerItemById("title_label")
title_text = title_label.text()
description_label = composition.getComposerItemById("description_label")
description_text = description_label.text()
# Set a rule based style to highlight the atlas feature
normal_style = QgsFillSymbolV2().createSimple(
{
"color": "#000000",
"color_border": "#000000",
"width_border": "0.25",
"style": "no",
}
)
highlight_style = QgsFillSymbolV2().createSimple(
{
"color": "#000000",
"color_border": "#ff0000",
"width_border": "0.85",
"style": "no",
}
)
highlight_rule = QgsRuleBasedRendererV2.Rule(highlight_style)
highlight_rule.setFilterExpression("$id = @atlas_featureid")
highlight_renderer = QgsRuleBasedRendererV2(normal_style)
highlight_renderer.rootRule().appendChild(highlight_rule)
