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Python utilities.renderMapToImage函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

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,您的评价将有助于我们的系统推荐出更棒的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))
开发者ID:giohappy,项目名称:QGIS,代码行数:33,代码来源:test_qgspallabeling_canvas.py


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))
开发者ID:GrokImageCompression,项目名称:QGIS,代码行数:31,代码来源:test_qgspallabeling_placement.py


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))
开发者ID:GrokImageCompression,项目名称:QGIS,代码行数:44,代码来源:test_qgspallabeling_base.py


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)
开发者ID:SrNetoChan,项目名称:Quantum-GIS,代码行数:63,代码来源:test_qgsprojectbadlayers.py



注:本文中的utilities.renderMapToImage函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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