当前位置: 首页>>代码示例>>C#>>正文


C# IProvider.ExecuteIntersectionQuery方法代码示例

本文整理汇总了C#中IProvider.ExecuteIntersectionQuery方法的典型用法代码示例。如果您正苦于以下问题:C# IProvider.ExecuteIntersectionQuery方法的具体用法?C# IProvider.ExecuteIntersectionQuery怎么用?C# IProvider.ExecuteIntersectionQuery使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IProvider的用法示例。


在下文中一共展示了IProvider.ExecuteIntersectionQuery方法的1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C#代码示例。

示例1: TestProvider

        private static void TestProvider(IProvider provider, GpkgContent content)
        {
            int numFeatures = 0;
            Assert.DoesNotThrow(() => numFeatures = provider.GetFeatureCount(),
                    "GetFeatureCount threw exception:\n\tConnection{0}\n\t{1}",
                    provider.ConnectionID, content.TableName);

            var extent = provider.GetExtents();

            Collection<uint> oids = null;
            Assert.DoesNotThrow(() => oids = provider.GetObjectIDsInView(extent), 
                    "GetObjectIDsInView threw exception:\n\tConnection{0}\n\t{1}", 
                    provider.ConnectionID, content.TableName);
            Assert.AreEqual(numFeatures, oids.Count);

            foreach (var oid in oids)
            {
                IGeometry geom = null;
                Assert.DoesNotThrow(() => geom = provider.GetGeometryByID(oid), 
                    "GetGeometryByID threw exception:\n\tConnection{0}\n\t{1}", 
                    provider.ConnectionID, content.TableName);
                FeatureDataRow feat = null;
                Assert.DoesNotThrow(() => feat = provider.GetFeature(oid), 
                    "GetFeature threw exception:\n\tConnection{0}\n\t{1}", 
                    provider.ConnectionID, content.TableName);
                
                Assert.IsTrue(geom.EqualsExact(feat.Geometry));

            }

            Collection<IGeometry> geoms = null;
            Assert.DoesNotThrow(() => geoms = provider.GetGeometriesInView(extent),
                    "GetFeature threw exception:\n\tConnection{0}\n\t{1}",
                    provider.ConnectionID, content.TableName);

            Assert.AreEqual(numFeatures, geoms.Count);
            
            var fds = new FeatureDataSet();
            Assert.DoesNotThrow(() => provider.ExecuteIntersectionQuery(extent, fds),
                    "GetFeature threw exception:\n\tConnection{0}\n\t{1}",
                    provider.ConnectionID, content.TableName);
            Assert.AreEqual(numFeatures, fds.Tables[0].Rows.Count);


        }
开发者ID:lishxi,项目名称:_SharpMap,代码行数:45,代码来源:GeoPackageTest.cs


注:本文中的IProvider.ExecuteIntersectionQuery方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。