当前位置: 首页>>代码示例>>C#>>正文


C# ProjectionInfo.ToProj4String方法代码示例

本文整理汇总了C#中ProjectionInfo.ToProj4String方法的典型用法代码示例。如果您正苦于以下问题:C# ProjectionInfo.ToProj4String方法的具体用法?C# ProjectionInfo.ToProj4String怎么用?C# ProjectionInfo.ToProj4String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ProjectionInfo的用法示例。


在下文中一共展示了ProjectionInfo.ToProj4String方法的3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: ProjectionInfoConstructorTest2

        public void ProjectionInfoConstructorTest2()
        {
            string proj4String = null;
            var actual = ProjectionInfo.FromProj4String(proj4String);
            var expected = new ProjectionInfo();

            Assert.AreEqual(expected.ToProj4String(), actual.ToProj4String());
        }
开发者ID:joelmuzz,项目名称:DotSpatial,代码行数:8,代码来源:ProjectionInfoTests.cs

示例2: TestProjection

        /// <summary>
        /// The code that actually tests an input projection
        /// </summary>
        public static void TestProjection(ProjectionInfo pStart)
        {
            var pEnd = KnownCoordinateSystems.Geographic.World.WGS1984;
            var xy = new double[2];
            double x = 0;
            if (pStart.FalseEasting != null)
            {
                x = pStart.FalseEasting.Value;
                xy[0] = pStart.FalseEasting.Value;
            }
            var z = new double[1];
            Reproject.ReprojectPoints(xy, z, pStart, pEnd, 0, 1);

            double y = 0;
            var source = pStart.ToProj4String();
            var prj = new Proj4();
            prj.ProjectPoint(ref x, ref y, source, pEnd.ToProj4String());
            if (Math.Abs(x - xy[0]) > 0.00000001)
            {
                Assert.Fail("The longitude was off by {0} decimal degrees from proj4", (x - xy[0]));
            }
            if (Math.Abs(y - xy[1]) > 0.00000001)
            {
                Assert.Fail("The latitude was off by {0} decimal degrees from proj4", (y - xy[1]));
            }
            z[0] = 0;
            Reproject.ReprojectPoints(xy, z, pEnd, pStart, 0, 1);
            prj.ProjectPoint(ref x, ref y, pEnd.ToProj4String(), source);
            if (Math.Abs(x - xy[0]) > 1 / pStart.Unit.Meters)
            {
                Assert.Fail("The X coordinate was off by {0} {1}", (x - xy[0]), pStart.GetUnitText(xy[0]));
            }
            if (Math.Abs(y - xy[1]) > 1 / pStart.Unit.Meters)
            {
                Assert.Fail("The Y coordinate was off by {0} {1}", (y - xy[1]), pStart.GetUnitText(xy[1]));
            }
        }
开发者ID:joelmuzz,项目名称:DotSpatial,代码行数:40,代码来源:Tester.cs

示例3: ProjectionInfoConstructorTest1

        public void ProjectionInfoConstructorTest1()
        {
            var proj4String = "+proj=longlat +ellps=WGS84 +no_defs ";
            var expected = ProjectionInfo.FromProj4String(proj4String);

            var actual = new ProjectionInfo();
            actual.GeographicInfo.Datum.Spheroid = new Spheroid("WGS84");
            actual.NoDefs = true;
            actual.IsLatLon = true;

            Assert.AreEqual(expected.ToProj4String(), actual.ToProj4String());
        }
开发者ID:joelmuzz,项目名称:DotSpatial,代码行数:12,代码来源:ProjectionInfoTests.cs


注:本文中的ProjectionInfo.ToProj4String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。