/// <summary>
/// Reprojects image
/// </summary>
public static TestingResult Reproject(MapWinGIS.Image image, out MapWinGIS.Image imageNew, MapWinGIS.GeoProjection projection, frmTesterReport report)
{
MapWinGIS.GeoProjection projImage = new MapWinGIS.GeoProjection();
projImage.ImportFromProj4(image.GetProjection());
string sourcePrj = image.GetProjection();
string targetPrj = projection.ExportToProj4();
string origFilename = image.Filename;
MapWinGIS.ICallback callback = image.GlobalCallback;
imageNew = null;
LayerSource obj = new LayerSource(image);
LayerSource objNew = null;
if (CoordinateTransformation.SeekSubstituteFile(obj, projection, out objNew))
{
imageNew = objNew.Image;
return(TestingResult.Substituted);
}
string newFilename = CoordinateTransformation.FilenameWithProjectionSuffix(origFilename, projImage, projection);
newFilename = CoordinateTransformation.GetSafeNewName(newFilename);
// setting callback
if (report != null)
{
if (!report.Visible)
{
report.InitProgress(projection);
}
report.ShowFilename(image.Filename);
}
MapWinGIS.GeoProcess.SpatialReference.ProjectImage(sourcePrj, targetPrj, origFilename, newFilename, report);
if (report != null)
{
report.ClearFilename();
}
imageNew = new MapWinGIS.Image();
if (imageNew.Open(newFilename, MapWinGIS.ImageType.USE_FILE_EXTENSION, false, callback))
{
return(TestingResult.Ok);
}
else
{
imageNew = null;
return(TestingResult.Error);
}
}
/// <summary>
/// Reprojects a grid
/// </summary>
/// <param name="grid">Grid object to reproject</param>
/// <param name="inPlace">Whether reprojected file should replace the initial one</param>
/// <returns>True on success and false otherwise</returns>
public static TestingResult Reproject(MapWinGIS.Grid grid, out MapWinGIS.Grid gridNew, MapWinGIS.GeoProjection projection, frmTesterReport report)
{
string sourcePrj = grid.Header.GeoProjection.ExportToProj4();
string targetPrj = projection.ExportToProj4();
string origFilename = grid.Filename;
MapWinGIS.ICallback callback = grid.GlobalCallback;
gridNew = null;
LayerSource obj = new LayerSource(grid);
LayerSource objNew = null;
if (CoordinateTransformation.SeekSubstituteFile(obj, projection, out objNew))
{
gridNew = objNew.Grid;
return(TestingResult.Substituted);
}
string newFilename = CoordinateTransformation.FilenameWithProjectionSuffix(origFilename, grid.Header.GeoProjection, projection);
newFilename = CoordinateTransformation.GetSafeNewName(newFilename);
// setting callback
if (report != null)
{
if (!report.Visible)
{
report.InitProgress(projection);
}
report.ShowFilename(grid.Filename);
}
bool result = MapWinGIS.GeoProcess.SpatialReference.ProjectGrid(ref sourcePrj, ref targetPrj, ref origFilename, ref newFilename, true, report);
if (report != null)
{
report.ClearFilename();
}
if (!result)
{
return(TestingResult.Error);
}
// TODO: no need to open it if only a name is supposed to be returned
gridNew = new MapWinGIS.Grid();
gridNew.Open(newFilename, MapWinGIS.GridDataType.UnknownDataType, false, MapWinGIS.GridFileType.UseExtension, callback);
gridNew.AssignNewProjection(projection.ExportToProj4());
return(TestingResult.Ok);
}
/// <summary>
/// 测试单层投影
/// </summary>
/// <param name="layer">图层源（Shapefile或grid对象）</param>
/// <param name="newLayer">输出新图层</param>
/// <returns>返回测试结果</returns>
public TestingResult TestLayer(LayerSource layer, out LayerSource newLayer)
{
if (layer == null)
{
throw new ArgumentException("空图层引用被通过");
}
newLayer = null;
MapWinGIS.GeoProjection projectProj = m_mapWin.Project.GeoProjection;
MapWinGIS.GeoProjection layerProj = layer.Projection;
bool isSame = projectProj.get_IsSameExt(layerProj, layer.Extents, 10);
// 让我们看看我们是否有项目的投影的一种方言
if (!isSame && !projectProj.IsEmpty)
{
ProjectionDatabase db = (ProjectionDatabase)m_mapWin.ProjectionDatabase;//投影数据源
if (db != null)
{
CoordinateSystem cs = db.GetCoordinateSystem(projectProj, ProjectionSearchType.Enhanced);//坐标系统
if (cs != null)
{
db.ReadDialects(cs);
foreach (string dialect in cs.Dialects)
{
MapWinGIS.GeoProjection projTemp = new MapWinGIS.GeoProjection();
if (!projTemp.ImportFromAutoDetect(dialect))
{
continue;
}
if (layerProj.get_IsSame(projTemp))
{
isSame = true;
break;
}
}
}
}
}
// 投影中可以包含的文件的后缀名，让我们试着用正确的后缀搜索文件
if (!isSame)
{
if (CoordinateTransformation.SeekSubstituteFile(layer, projectProj, out newLayer))
{
m_report.AddFile(layer.Filename, layer.Projection.Name, ProjectionOperaion.Substituted, newLayer.Filename);
return(TestingResult.Substituted);
}
}
if (!layer.Projection.IsEmpty)
{
if (projectProj.IsEmpty)
{
// 层具有投影，项目没有；分配到投影，不提示用户
// 让我们找个众所周知的投影与EPSG编码
ProjectionDatabase db = m_mapWin.ProjectionDatabase as ProjectionDatabase;
if (db != null)
{
CoordinateSystem cs = db.GetCoordinateSystem(layerProj, ProjectionSearchType.UseDialects);
if (cs != null)
{
MapWinGIS.GeoProjection proj = new MapWinGIS.GeoProjection();
if (proj.ImportFromEPSG(cs.Code))
{
layerProj = proj;
}
}
}
m_mapWin.Project.GeoProjection = layerProj;
return(TestingResult.Ok);
}
else if (isSame)
{
// 相同投影
return(TestingResult.Ok);
}
else
{
// 用户必须被提示
if (!m_usePreviousAnswerMismatch && !m_mapWin.ApplicationInfo.NeverShowProjectionDialog)
{
bool dontShow = false;
bool useForOthers = false;
ArrayList list = new ArrayList();
list.Add("Ignore mismatch");
list.Add("Reproject file");
//list.Add("Skip file");
// PM 2013-05-03:
list.Add("Don't load the layer");
frmProjectionMismatch form = new frmProjectionMismatch((ProjectionDatabase)m_mapWin.ProjectionDatabase);
int choice = form.ShowProjectionMismatch(list, (int)m_mapWin.ApplicationInfo.ProjectionMismatchBehavior,
projectProj, layer.Projection, out useForOthers, out dontShow);
form.Dispose();
if (choice == -1)
{
return(TestingResult.CancelOperation);
}
m_usePreviousAnswerMismatch = useForOthers;
m_mapWin.ApplicationInfo.ProjectionMismatchBehavior = (ProjectionMismatchBehavior)choice;
m_mapWin.ApplicationInfo.NeverShowProjectionDialog = dontShow;
}
MapWinGIS.Interfaces.ProjectionMismatchBehavior behavior = m_mapWin.ApplicationInfo.ProjectionMismatchBehavior;
switch (behavior)
{
case ProjectionMismatchBehavior.Reproject:
TestingResult result = CoordinateTransformation.ReprojectLayer(layer, out newLayer, projectProj, m_report);
if (result == TestingResult.Ok || result == TestingResult.Substituted)
{
ProjectionOperaion oper = result == TestingResult.Ok ? ProjectionOperaion.Reprojected : ProjectionOperaion.Substituted;
string newName = newLayer == null ? "" : newLayer.Filename;
m_report.AddFile(layer.Filename, layer.Projection.Name, oper, newName);
return(newName == layer.Filename ? TestingResult.Ok : TestingResult.Substituted);
}
else
{
m_report.AddFile(layer.Filename, layer.Projection.Name, ProjectionOperaion.FailedToReproject, "");
return(TestingResult.Error);
}
case ProjectionMismatchBehavior.IgnoreMismatch:
m_report.AddFile(layer.Filename, layer.Projection.Name, ProjectionOperaion.MismatchIgnored, "");
return(TestingResult.Ok);
case ProjectionMismatchBehavior.SkipFile:
m_report.AddFile(layer.Filename, layer.Projection.Name, ProjectionOperaion.Skipped, "");
return(TestingResult.SkipFile);
}
}
}
else if (!projectProj.IsEmpty) // 图层投影是空的
{
bool projectProjectionExists = !projectProj.IsEmpty;
// 用户必须被提示
if (!m_usePreviousAnswerAbsence && !m_mapWin.ApplicationInfo.NeverShowProjectionDialog)
{
bool dontShow = false;
bool useForOthers = false;
ArrayList list = new ArrayList();
// 当在投影第一变体应排除
int val = projectProjectionExists ? 0 : 1;
if (projectProjectionExists)
{
// PM 2013-05-03:
//list.Add("Assign projection from project");
list.Add("Use the project's projection");
}
// list.Add("Ignore the absence");
// list.Add("Skip the file");
list.Add("Ignore the missing of projection file");
list.Add("Don't load the layer");
frmProjectionMismatch form = new frmProjectionMismatch((ProjectionDatabase)m_mapWin.ProjectionDatabase);
int choice = form.ShowProjectionAbsence(list, (int)m_mapWin.ApplicationInfo.ProjectionAbsenceBehavior - val, projectProj, out useForOthers, out dontShow);
form.Dispose();
if (choice == -1)
{
return(TestingResult.CancelOperation);
}
choice += val;
m_usePreviousAnswerAbsence = useForOthers;
m_mapWin.ApplicationInfo.ProjectionAbsenceBehavior = (ProjectionAbsenceBehavior)choice;
m_mapWin.ApplicationInfo.NeverShowProjectionDialog = dontShow;
}
// 当在项目没有投影，它不能分配层
ProjectionAbsenceBehavior behavior = m_mapWin.ApplicationInfo.ProjectionAbsenceBehavior;
if (!projectProjectionExists && m_mapWin.ApplicationInfo.ProjectionAbsenceBehavior == ProjectionAbsenceBehavior.AssignFromProject)
{
behavior = ProjectionAbsenceBehavior.IgnoreAbsence;
}
switch (behavior)
{
case ProjectionAbsenceBehavior.AssignFromProject:
m_report.AddFile(layer.Filename, layer.Projection.Name, ProjectionOperaion.Assigned, "");
layer.Projection = projectProj;
return(TestingResult.Ok);
case ProjectionAbsenceBehavior.IgnoreAbsence:
m_report.AddFile(layer.Filename, layer.Projection.Name, ProjectionOperaion.AbsenceIgnored, "");
return(TestingResult.Ok);
case ProjectionAbsenceBehavior.SkipFile:
m_report.AddFile(layer.Filename, layer.Projection.Name, ProjectionOperaion.Skipped, "");
return(TestingResult.SkipFile);
}
}
else
{
// 层没有投影，项目也没有，不在这里
}
System.Diagnostics.Debug.Print("Invalid result in projection tester");
return(TestingResult.Ok);
}
/// <summary>
/// Reprojects a shapefile
/// </summary>
/// <param name="grid">Shapefile object to reproject</param>
/// <param name="inPlace">Whether reprojected file should replace the initial one</param>
/// <returns>True on success and false otherwise</returns>
public static TestingResult Reproject(MapWinGIS.Shapefile sfSource, out MapWinGIS.Shapefile sfNew, MapWinGIS.GeoProjection projection, frmTesterReport report)
{
sfNew = null;
string origFilename = sfSource.Filename;
MapWinGIS.Shapefile sf = new MapWinGIS.Shapefile();
int count = 0;
LayerSource obj = new LayerSource(sfSource);
LayerSource objNew = null;
if (CoordinateTransformation.SeekSubstituteFile(obj, projection, out objNew))
{
sfNew = objNew.Shapefile;
return(TestingResult.Substituted);
}
string newFilename = CoordinateTransformation.FilenameWithProjectionSuffix(origFilename, sfSource.GeoProjection, projection);
newFilename = CoordinateTransformation.GetSafeNewName(newFilename);
// settings callback
MapWinGIS.ICallback callback = sfSource.GlobalCallback;
if (report != null)
{
sfSource.GlobalCallback = report;
if (!report.Visible)
{
report.InitProgress(projection);
}
report.ShowFilename(sfSource.Filename);
}
// doing the job
sf = sfSource.Reproject(projection, ref count);
// restoring callback
if (report != null)
{
sfSource.GlobalCallback = callback;
report.ClearFilename();
}
if (sf != null && count == sfSource.NumShapes)
{
sf.GlobalCallback = sfSource.GlobalCallback;
bool result = sf.SaveAs(newFilename, null); // it doesn't close the editing mode
if (!result)
{
System.Diagnostics.Debug.Print("Error while saving reprojected shapefile: " + sf.get_ErrorMsg(sf.LastErrorCode));
}
sfNew = sf;
return(TestingResult.Ok);
}
//sf.Close();
return(TestingResult.Error);
}
