本文整理汇总了Python中utilities.renderMapToImage函数的典型用法代码示例。如果您正苦于以下问题：Python renderMapToImage函数的具体用法？Python renderMapToImage怎么用？Python renderMapToImage使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了renderMapToImage函数的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: checkTest
def checkTest(self, **kwargs):
self.layer.setLabeling(QgsVectorLayerSimpleLabeling(self.lyr))
ms = self._MapSettings # class settings
settings_type = 'Class'
if self._TestMapSettings is not None:
ms = self._TestMapSettings # per test settings
settings_type = 'Test'
if 'PAL_VERBOSE' in os.environ:
qDebug('MapSettings type: {0}'.format(settings_type))
qDebug(mapSettingsString(ms))
img = renderMapToImage(ms, parallel=False)
self._TestImage = getTempfilePath('png')
if not img.save(self._TestImage, 'png'):
os.unlink(self._TestImage)
raise OSError('Failed to save output from map render job')
self.saveControlImage(self._TestImage)
mismatch = 0
if 'PAL_NO_MISMATCH' not in os.environ:
# some mismatch expected
mismatch = self._Mismatch if self._Mismatch else 0
if self._TestGroup in self._Mismatches:
mismatch = self._Mismatches[self._TestGroup]
colortol = 0
if 'PAL_NO_COLORTOL' not in os.environ:
colortol = self._ColorTol if self._ColorTol else 0
if self._TestGroup in self._ColorTols:
colortol = self._ColorTols[self._TestGroup]
self.assertTrue(*self.renderCheck(mismatch=mismatch,
colortol=colortol,
imgpath=self._TestImage))示例2: checkTest
def checkTest(self, **kwargs):
self.lyr.writeToLayer(self.layer)
ms = self._MapSettings # class settings
settings_type = "Class"
if self._TestMapSettings is not None:
ms = self._TestMapSettings # per test settings
settings_type = "Test"
if "PAL_VERBOSE" in os.environ:
qDebug("MapSettings type: {0}".format(settings_type))
qDebug(mapSettingsString(ms))
img = renderMapToImage(ms, parallel=False)
self._TestImage = getTempfilePath("png")
if not img.save(self._TestImage, "png"):
os.unlink(self._TestImage)
raise OSError("Failed to save output from map render job")
self.saveControlImage(self._TestImage)
mismatch = 0
if "PAL_NO_MISMATCH" not in os.environ:
# some mismatch expected
mismatch = self._Mismatch if self._Mismatch else 0
if self._TestGroup in self._Mismatches:
mismatch = self._Mismatches[self._TestGroup]
colortol = 0
if "PAL_NO_COLORTOL" not in os.environ:
colortol = self._ColorTol if self._ColorTol else 0
if self._TestGroup in self._ColorTols:
colortol = self._ColorTols[self._TestGroup]
self.assertTrue(*self.renderCheck(mismatch=mismatch, colortol=colortol, imgpath=self._TestImage))示例3: saveControlImage
def saveControlImage(self, tmpimg=''):
# don't save control images for RenderVsOtherOutput (Vs) tests, since
# those control images belong to a different test result
if ('PAL_CONTROL_IMAGE' not in os.environ
or 'Vs' in self._TestGroup):
return
imgpath = self.controlImagePath()
testdir = os.path.dirname(imgpath)
if not os.path.exists(testdir):
os.makedirs(testdir)
imgbasepath = \
os.path.join(testdir,
os.path.splitext(os.path.basename(imgpath))[0])
# remove any existing control images
for f in glob.glob(imgbasepath + '.*'):
if os.path.exists(f):
os.remove(f)
qDebug('Control image for {0}.{1}'.format(self._TestGroup,
self._TestFunction))
if not tmpimg:
# TODO: this can be deprecated, when per-base-test-class rendering
# in checkTest() is verified OK for all classes
qDebug('Rendering control to: {0}'.format(imgpath))
ms = self._MapSettings # class settings
""":type: QgsMapSettings"""
settings_type = 'Class'
if self._TestMapSettings is not None:
ms = self._TestMapSettings # per test settings
settings_type = 'Test'
qDebug('MapSettings type: {0}'.format(settings_type))
img = renderMapToImage(ms, parallel=False)
""":type: QImage"""
tmpimg = getTempfilePath('png')
if not img.save(tmpimg, 'png'):
os.unlink(tmpimg)
raise OSError('Control not created for: {0}'.format(imgpath))
if tmpimg and os.path.exists(tmpimg):
qDebug('Copying control to: {0}'.format(imgpath))
shutil.copyfile(tmpimg, imgpath)
else:
raise OSError('Control not copied to: {0}'.format(imgpath))示例4: testStyles
def testStyles(self):
"""Test that styles for rasters and vectors are kept when setDataSource is called"""
options = QgsDataProvider.ProviderOptions()
temp_dir = QTemporaryDir()
p = QgsProject.instance()
for f in (
'bad_layer_raster_test.tfw',
'bad_layer_raster_test.tiff',
'bad_layer_raster_test.tiff.aux.xml',
'bad_layers_test.gpkg',
'good_layers_test.qgs'):
copyfile(os.path.join(TEST_DATA_DIR, 'projects', f), os.path.join(temp_dir.path(), f))
project_path = os.path.join(temp_dir.path(), 'good_layers_test.qgs')
p = QgsProject().instance()
self.assertTrue(p.read(project_path))
self.assertEqual(p.count(), 3)
ms = self.getBaseMapSettings()
point_a = list(p.mapLayersByName('point_a'))[0]
point_b = list(p.mapLayersByName('point_b'))[0]
raster = list(p.mapLayersByName('bad_layer_raster_test'))[0]
self.assertTrue(point_a.isValid())
self.assertTrue(point_b.isValid())
self.assertTrue(raster.isValid())
ms.setExtent(QgsRectangle(2.81861, 41.98138, 2.81952, 41.9816))
ms.setLayers([point_a, point_b, raster])
image = renderMapToImage(ms)
print(os.path.join(temp_dir.path(), 'expected.png'))
self.assertTrue(image.save(os.path.join(temp_dir.path(), 'expected.png'), 'PNG'))
point_a_source = point_a.publicSource()
point_b_source = point_b.publicSource()
raster_source = raster.publicSource()
point_a.setDataSource(point_a_source, point_a.name(), 'ogr', options)
point_b.setDataSource(point_b_source, point_b.name(), 'ogr', options)
raster.setDataSource(raster_source, raster.name(), 'gdal', options)
self.assertTrue(image.save(os.path.join(temp_dir.path(), 'actual.png'), 'PNG'))
self.assertTrue(filecmp.cmp(os.path.join(temp_dir.path(), 'actual.png'), os.path.join(temp_dir.path(), 'expected.png')), False)
# Now build a bad project
bad_project_path = os.path.join(temp_dir.path(), 'bad_layers_test.qgs')
with open(project_path, 'r') as infile:
with open(bad_project_path, 'w+') as outfile:
outfile.write(infile.read().replace('./bad_layers_test.', './bad_layers_test-BAD_SOURCE.').replace('bad_layer_raster_test.tiff', 'bad_layer_raster_test-BAD_SOURCE.tiff'))
self.assertTrue(p.read(bad_project_path))
self.assertEqual(p.count(), 3)
point_a = list(p.mapLayersByName('point_a'))[0]
point_b = list(p.mapLayersByName('point_b'))[0]
raster = list(p.mapLayersByName('bad_layer_raster_test'))[0]
self.assertFalse(point_a.isValid())
self.assertFalse(point_b.isValid())
self.assertFalse(raster.isValid())
point_a.setDataSource(point_a_source, point_a.name(), 'ogr', options)
point_b.setDataSource(point_b_source, point_b.name(), 'ogr', options)
raster.setDataSource(raster_source, raster.name(), 'gdal', options)
self.assertTrue(image.save(os.path.join(temp_dir.path(), 'actual_fixed.png'), 'PNG'))
self.assertTrue(filecmp.cmp(os.path.join(temp_dir.path(), 'actual_fixed.png'), os.path.join(temp_dir.path(), 'expected.png')), False)