// <summary>
// Adds all the shapefiles and images with .tif and .png extentions from the specified folder to the map
// </summary>
public bool AddLayers(AxMap axMap1, string dataPath)
{
axMap1.RemoveAllLayers();
axMap1.LockWindow(tkLockMode.lmLock);
try
{
string[] files = Directory.GetFiles(dataPath);
foreach (string file in files)
{
int layerHandle = -1;
if (file.ToLower().EndsWith(".shp"))
{
Shapefile sf = new Shapefile();
if (sf.Open(file, null))
{
layerHandle = axMap1.AddLayer(sf, true);
}
else
{
MessageBox.Show(sf.ErrorMsg[sf.LastErrorCode]);
}
}
else if (file.ToLower().EndsWith(".tif") ||
file.ToLower().EndsWith(".png"))
{
Image img = new Image();
if (img.Open(file, ImageType.TIFF_FILE, false, null))
{
layerHandle = axMap1.AddLayer(img, true);
}
else
{
MessageBox.Show(img.ErrorMsg[img.LastErrorCode]);
}
}
if (layerHandle != -1)
{
axMap1.set_LayerName(layerHandle, Path.GetFileName(file));
}
}
}
finally
{
axMap1.LockWindow(tkLockMode.lmUnlock);
Debug.Print("Layers added to the map: " + axMap1.NumLayers);
}
return(axMap1.NumLayers > 0);
}
// <summary>
// Opens a shapefile, registers event handler
// </summary>
public void ToolTip(AxMap axMap1)
{
axMap1.Projection = tkMapProjection.PROJECTION_NONE;
foreach (var filename in _l)
{
if (!File.Exists(filename))
{
MessageBox.Show("Couldn't file the file: " + filename);
return;
}
Shapefile sf = new Shapefile();
sf.Open(filename, null);
if (!sf.StartEditingShapes(true, null))
{
MessageBox.Show("Failed to start edit mode: " + sf.Table.ErrorMsg[sf.LastErrorCode]);
}
else
{
sf.UseQTree = true;
sf.Labels.Generate("[Name]", tkLabelPositioning.lpCentroid, false);
axMap1.AddLayer(sf, true);
axMap1.SendMouseMove = true;
axMap1.ShowRedrawTime = true;
axMap1.MapUnits = tkUnitsOfMeasure.umMeters;
axMap1.CurrentScale = 50000;
axMap1.CursorMode = tkCursorMode.cmNone;
axMap1.MouseMoveEvent += AxMap1MouseMoveEvent; // change MapEvents to axMap1
_mDrawingHandle = axMap1.NewDrawing(tkDrawReferenceList.dlScreenReferencedList);
Labels labels = axMap1.get_DrawingLabels(_mDrawingHandle);
labels.FrameVisible = true;
labels.FrameType = tkLabelFrameType.lfRectangle;
}
}
//string filename = @"C:\Users\Admin\source\repos\GIS\GIS\bin\Debug\Shapefiles_Data\Hanoi\planet_105.141,20.676_106.164,21.273.osm.shp\shape\roads.shp";
}
// <summary>
// Creates a shapefile holding polygons with holes
// </summary>
public void PolygonsWithHoles(AxMap axMap1)
{
axMap1.Projection = tkMapProjection.PROJECTION_NONE;
var sf = new Shapefile();
bool result = sf.CreateNewWithShapeID("", ShpfileType.SHP_POLYGON);
if (!result)
{
MessageBox.Show(sf.ErrorMsg[sf.LastErrorCode]);
}
else
{
double xMin = 0.0;
double yMin = 0.0;
double xMax = 1000.0;
double yMax = 1000.0;
Random rnd = new Random(DateTime.Now.Millisecond);
// builds 10 polygons
for (int i = 0; i < 40; i++)
{
double xCenter = xMin + (xMax - xMin) * rnd.NextDouble();
double yCenter = yMin + (yMax - yMin) * rnd.NextDouble();
// random radius from 10 to 100
double radius = 10 + rnd.NextDouble() * 90;
var shp = new Shape();
shp.Create(ShpfileType.SHP_POLYGON);
// polygon must have clockwise order of points (first argument - true)
this.AddRing(true, xCenter, yCenter, radius, ref shp);
// holes must have counter-clockwise order of points (fale for the last argument)
this.AddRing(false, xCenter + radius / 2.0, yCenter, radius / 4.0, ref shp);
this.AddRing(false, xCenter - radius / 2.0, yCenter, radius / 4.0, ref shp);
this.AddRing(false, xCenter, yCenter + radius / 2.0, radius / 4.0, ref shp);
this.AddRing(false, xCenter, yCenter - radius / 2.0, radius / 4.0, ref shp);
for (int j = 0; j < shp.NumParts; j++)
{
Debug.Print("Part is clocwise: " + shp.PartIsClockWise[j]);
}
Debug.Print("Shape is valid: " + shp.IsValid);
if (!shp.IsValid)
{
Debug.Print("Reason: " + shp.IsValidReason);
}
sf.EditInsertShape(shp, ref i);
}
axMap1.AddLayer(sf, true);
axMap1.ZoomToLayer(0);
sf.SaveAs(@"c:\polygons.shp", null);
}
}
private void Callback_MapControl_RasterReprojected(object sender, Events.MapControl_RasterReprojected e)
{
Console.WriteLine("Finished");
Image img = new Image();
if (img.Open(e.rasterLayer.FileName))
{
string proj = img.GetProjection();
int layerHandle = AxMap.AddLayer(img, true);
if (layerHandle == -1)
{
Events.MapControl_Error imghandle_error = new Events.MapControl_Error()
{
ErrorCode = Events.ErrorCodes.CouldNotLoadLayer, InMethod = "AddRasterLayer", AxMapError = new GlobalSettings().GdalLastErrorMsg
};
On_Error(imghandle_error);
}
e.rasterLayer.Handle = layerHandle;
MapControlTools.Layers.Add(e.rasterLayer);
Events.MapControl_LayerChange layerchange = new Events.MapControl_LayerChange()
{
LayerChangeReason = Events.LayerChangeReason.AddLayer, Layer = e.rasterLayer
};
On_LayerChange(layerchange);
}
}
public void MarkPoints(AxMap axMap1, string dataPath)
{
//axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
string filename = @"C:\Users\Admin\source\repos\GIS\GIS\bin\Debug\Shapefiles_Data\Hanoi\planet_105.141,20.676_106.164,21.273.osm.shp\shape\buildings.shp";
if (!File.Exists(filename))
{
MessageBox.Show("Couldn't file the file: " + filename);
return;
}
var sf = new Shapefile();
//sf.Open(filename, null);
//m_layerHandle = axMap1.AddLayer(sf, true);
sf = axMap1.get_Shapefile(m_layerHandle); // in case a copy of shapefile was created by GlobalSettings.ReprojectLayersOnAdding
sf = new Shapefile();
if (!sf.CreateNewWithShapeID("", ShpfileType.SHP_POINT))
{
MessageBox.Show("Failed to create shapefile: " + sf.ErrorMsg[sf.LastErrorCode]);
return;
}
m_layerHandle = axMap1.AddLayer(sf, true);
ShapeDrawingOptions options = sf.DefaultDrawingOptions;
options.PointType = tkPointSymbolType.ptSymbolPicture;
options.Picture = this.OpenMarker(dataPath);
sf.CollisionMode = tkCollisionMode.AllowCollisions;
axMap1.SendMouseDown = true;
axMap1.CursorMode = tkCursorMode.cmNone;
axMap1.MouseDownEvent += MainMap_MouseDownEvent; // change MapEvents to axMap1
}
// <summary>
// Adds the layers and register event handler.
// </summary>
public void SelectBox(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
string filename = dataPath + "landuse.shp";
if (!File.Exists(filename))
{
MessageBox.Show("Couldn't file the file: " + filename);
return;
}
Shapefile sf = new Shapefile();
sf.Open(filename, null);
if (!sf.StartEditingShapes(true, null))
{
MessageBox.Show("Failed to start edit mode: " + sf.Table.ErrorMsg[sf.LastErrorCode]);
}
else
{
sf.UseQTree = true;
sf.Labels.Generate("[Name]", tkLabelPositioning.lpCentroid, false);
axMap1.AddLayer(sf, true);
axMap1.SendSelectBoxFinal = true;
MapEvents.SelectBoxFinal += AxMap1SelectBoxFinal; // change MapEvents to axMap1
axMap1.MapUnits = tkUnitsOfMeasure.umMeters;
axMap1.CurrentScale = 50000;
axMap1.CursorMode = tkCursorMode.cmSelection;
}
}
private int Add(AxMap map, object layer, bool Visible)
{
if (layer == null)
{
return(-1);
}
if (map == null)
{
throw new System.Exception("MapWinGIS.Map Object not yet set. Set Map Property before adding layers");
}
map.LockWindow(MapWinGIS.tkLockMode.lmLock);
int MapLayerHandle = map.AddLayer(layer, Visible);
if (MapLayerHandle < 0)
{
map.LockWindow(MapWinGIS.tkLockMode.lmUnlock);
return(MapLayerHandle);
}
MapWinGIS.Shapefile sf = (layer as MapWinGIS.Shapefile);
map.LockWindow(MapWinGIS.tkLockMode.lmUnlock);
// FireLayerAdded(MapLayerHandle);
return(MapLayerHandle);
}
public bool AddWMSLayer(string baseUrl, string layers, string name, Extents extents, int Epsg, string Format)
{
WmsLayer wmsLayer = new WmsLayer();
wmsLayer.BaseUrl = baseUrl;
wmsLayer.BoundingBox = extents;
wmsLayer.DoCaching = false;
wmsLayer.Epsg = Epsg;
wmsLayer.Format = Format;
wmsLayer.Layers = layers;
wmsLayer.Name = name;
wmsLayer.UseCache = false;
wmsLayer.Id = 1;
wmsLayer.Key = "1";
wmsLayer.Version = tkWmsVersion.wv111;
WmsLayerLayer layer = new WmsLayerLayer();
layer.WmsLayerObj = wmsLayer;
layer.Name = name;
layer.Handle = AxMap.AddLayer(wmsLayer, true);
layer.LayerType = LayerType.CustomLayerWMS;
MapControlTools.Layers.Add(layer);
Events.MapControl_LayerChange layerchange = new Events.MapControl_LayerChange()
{
LayerChangeReason = Events.LayerChangeReason.AddLayer, Layer = layer
};
On_LayerChange(layerchange);
return(true);
}
public void TrackCars(AxMap axMap1, string dataPath)
{
if (!InitMap(axMap1, dataPath))
{
return;
}
string filename = dataPath + "path.shp";
if (!File.Exists(filename))
{
MessageBox.Show("Path.shp wasn't found: " + dataPath);
return;
}
int handle = axMap1.AddLayerFromFilename(filename, tkFileOpenStrategy.fosAutoDetect, false);
var sf = axMap1.get_Shapefile(handle);
var service = new CarService(axMap1.Extents as Extents, sf, 20);
_carShapefile = CreateCarShapefile(service);
_carShapefile.Volatile = true;
_carShapefile.CollisionMode = tkCollisionMode.AllowCollisions;
axMap1.AddLayer(_carShapefile, true);
axMap1.ZoomToLayer(handle);
service.StateChanged += ServiceStateChanged;
}
public bool AddProjectLayer(ResTBPostGISLayer resTBPostGISLayer, bool visible = true)
{
if (!MapControlTools.Layers.Where(m => m.Name == resTBPostGISLayer.Name).Any())
{
Type t = resTBPostGISLayer.GetType();
// Handle the damage potential differently
if (resTBPostGISLayer.GetType() == typeof(ResTBDamagePotentialLayer))
{
return(AddProjectLayer((ResTBDamagePotentialLayer)resTBPostGISLayer, visible));
}
if (resTBPostGISLayer.GetType() == typeof(ResTBRiskMapLayer))
{
return(AddProjectLayer((ResTBRiskMapLayer)resTBPostGISLayer, visible));
}
var layer = ds.RunQuery(resTBPostGISLayer.SQL);
if (layer == null)
{
Events.MapControl_Error error = new Events.MapControl_Error()
{
ErrorCode = Events.ErrorCodes.FailedToRunSQLQuery, InMethod = "AddPostGISLayer", AxMapError = ds.GdalLastErrorMsg
};
On_Error(error);
return(false);
}
else
{
int handle = AxMap.AddLayer(layer, visible);
if (handle == -1)
{
Events.MapControl_Error error = new Events.MapControl_Error()
{
ErrorCode = Events.ErrorCodes.CouldNotLoadLayer, InMethod = "AddPostGISLayer", AxMapError = AxMap.FileManager.get_ErrorMsg(AxMap.FileManager.LastErrorCode)
};
On_Error(error);
return(false);
}
else
{
resTBPostGISLayer.Handle = handle;
resTBPostGISLayer.ApplyStyle(AxMap);
MapControlTools.Layers.Add(resTBPostGISLayer);
Events.MapControl_LayerChange layerchange = new Events.MapControl_LayerChange()
{
LayerChangeReason = Events.LayerChangeReason.AddLayer, Layer = resTBPostGISLayer
};
On_LayerChange(layerchange);
}
return(true);
}
}
return(false);
}
private bool InitMap(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
axMap1.GrabProjectionFromData = true;
axMap1.ZoomBehavior = tkZoomBehavior.zbUseTileLevels;
axMap1.DisableWaitCursor = true;
string filename1 = dataPath + "buildings.shp";
string filename2 = dataPath + "roads.shp";
if (!File.Exists(filename1) || !File.Exists(filename2))
{
MessageBox.Show("Couldn't find the files (buildings.shp, roads.shp): " + dataPath);
return(false);
}
Shapefile sf = new Shapefile();
sf.Open(filename1, null);
axMap1.AddLayer(sf, true);
Debug.Print(axMap1.GeoProjection.ExportToWKT());
sf = new Shapefile();
sf.Open(filename2, null);
sf.Labels.Generate("[Name]", tkLabelPositioning.lpLongestSegement, false);
axMap1.ZoomToMaxExtents();
return(true);
}
public bool AddSHPLayer()
{
string filename = @"c:\users\suter\documents\test.shp";
Shapefile sf = new Shapefile();
if (sf.Open(filename))
{
int m_layerHandle = AxMap.AddLayer(sf, true);
sf = AxMap.get_Shapefile(m_layerHandle); // in case a copy of shapefile was created by GlobalSettings.ReprojectLayersOnAdding
ShpLayer sl = new ShpLayer();
sl.LayerType = LayerType.CustomLayerSHP;
sl.Name = "Gefahrenkarte";
sl.Shapefile = sf;
sl.Handle = m_layerHandle;
MapControlTools.Layers.Add(sl);
Events.MapControl_LayerChange layerchange = new Events.MapControl_LayerChange()
{
LayerChangeReason = Events.LayerChangeReason.AddLayer, Layer = sl
};
On_LayerChange(layerchange);
return(true);
}
else
{
Events.MapControl_Error error = new Events.MapControl_Error()
{
ErrorCode = Events.ErrorCodes.CouldNotLoadLayer, InMethod = "AddShpLayer", AxMapError = sf.ErrorMsg[sf.LastErrorCode]
};
On_Error(error);
return(false);
}
}
public void EditAddShapeTest()
{
// https://mapwindow.discourse.group/t/system-accessviolationexception-after-editaddshape/196
var pnt = new Point {
x = 6.7369281, y = 53.1603648
};
var shp = new Shape();
shp.Create(ShpfileType.SHP_POLYGON);
shp.InsertPoint(pnt, 0);
var sf = new Shapefile();
var result = sf.CreateNewWithShapeID("", ShpfileType.SHP_POLYGON);
Assert.IsTrue(result, "CreateNewWithShapeID failed: " + sf.ErrorMsg[sf.LastErrorCode]);
var shpIndex = sf.EditAddShape(shp);
Assert.IsTrue(shpIndex > -1, "EditAddShape failed: " + sf.ErrorMsg[sf.LastErrorCode]);
sf.InteractiveEditing = true;
Assert.IsTrue(sf.InteractiveEditing, "InteractiveEditing failed: " + sf.ErrorMsg[sf.LastErrorCode]);
var layerIndex = _axMap1.AddLayer(sf, true);
Assert.IsTrue(layerIndex > -1, "AddLayer failed: " + sf.ErrorMsg[sf.LastErrorCode]);
result = _axMap1.ShapeEditor.StartEdit(layerIndex, shpIndex);
Assert.IsTrue(result, "ShapeEditor.StartEdit failed: " + sf.ErrorMsg[sf.LastErrorCode]);
}
private void AddPoint(AxMap Map, double lng, double lat, string pointName)
{
var sf = new Shapefile();
if (PointShapefileLayerHandle != -1)
{
sf = Map.get_Shapefile(PointShapefileLayerHandle);
}
if (PointShapefileLayerHandle == -1)
{
if (!sf.CreateNewWithShapeID("", ShpfileType.SHP_POINT))
{
MessageBox.Show("Failed to create shapefile: " + sf.ErrorMsg[sf.LastErrorCode]);
return;
}
PointShapefileLayerHandle = Map.AddLayer(sf, true);
}
var utils = new Utils();
ShapeDrawingOptions options = sf.DefaultDrawingOptions;
options.PointType = tkPointSymbolType.ptSymbolStandard;
options.PointShape = tkPointShapeType.ptShapeCross;
options.FillColor = utils.ColorByName(tkMapColor.Black);
sf.DefaultDrawingOptions = options;
sf.CollisionMode = tkCollisionMode.AllowCollisions;
Shape shp = new Shape();
//shp = sf.get_Shape(shapeIndex);
shp.Create(ShpfileType.SHP_POINT);
MapWinGIS.Point pnt = new MapWinGIS.Point();
pnt.x = lng;
pnt.y = lat;
pnt.Key = pointName;
int Index;
Index = shp.NumPoints;
shp.InsertPoint(pnt, ref Index);
Index = sf.NumShapes;
if (!sf.EditInsertShape(shp, Index))
{
MessageBox.Show("Failed to insert shape: " + sf.ErrorMsg[sf.LastErrorCode]);
return;
}
points.Add(pnt);
Map.Redraw();
}
// <summary>
// Loads the layers, registers event handlers
// </summary>
public void Tracking(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_NONE;
axMap1.GrabProjectionFromData = true;
axMap1.DisableWaitCursor = true;
string filename1 = dataPath + "buildings.shp";
string filename2 = dataPath + "roads.shp";
string filename3 = dataPath + "path.shp";
if (!File.Exists(filename1) || !File.Exists(filename2) || !File.Exists(filename3))
{
MessageBox.Show("Couldn't find the files (buildings.shp, roads.shp, path.shp): " + dataPath);
}
else
{
Shapefile sf = new Shapefile();
sf.Open(filename1, null);
axMap1.AddLayer(sf, true);
sf = new Shapefile();
sf.Open(filename2, null);
sf.Labels.Generate("[Name]", tkLabelPositioning.lpLongestSegement, false);
Utils utils = new Utils();
LinePattern pattern = new LinePattern();
pattern.AddLine(utils.ColorByName(tkMapColor.Brown), 10.0f, tkDashStyle.dsSolid);
pattern.AddLine(utils.ColorByName(tkMapColor.Yellow), 9.0f, tkDashStyle.dsSolid);
sf.DefaultDrawingOptions.LinePattern = pattern;
sf.DefaultDrawingOptions.UseLinePattern = true;
axMap1.AddLayer(sf, true);
sf = new Shapefile();
sf.Open(filename3, null);
m_path = sf.Shape[0];
axMap1.MapUnits = tkUnitsOfMeasure.umMeters;
axMap1.CurrentScale = 5000.0;
m_timer.Interval = 250;
m_timer.Tick += TimerTick;
m_timer.Start();
}
}
public static void CreatePointShapefile(AxMap Map, List <GisPoint>[] ListData, int num)
{
var sf = new Shapefile(); //创建一个新的shp文件
bool result = sf.CreateNewWithShapeID("", ShpfileType.SHP_MULTIPOINT); //初始化shp文件
for (int j = 0; j < num - 1; j++)
{
Shape shp = new Shape(); //创建shp图层
shp.Create(ShpfileType.SHP_MULTIPOINT);
for (int i = 0; i < ListData[j].Count; i++)
{
var pnt = new Point();
pnt.x = ListData[j][i].X;
pnt.y = ListData[j][i].Y;
pnt.Key = "fang";
int index = 0;
shp.InsertPoint(pnt, ref index);
}
sf.EditAddShape(shp);
if (j == 0)
{
var utils = new Utils();
ShapefileCategory ct = sf.Categories.Add("0");
ct.DrawingOptions.FillType = tkFillType.ftGradient;
ct.DrawingOptions.FillColor = utils.ColorByName(tkMapColor.Green);
sf.set_ShapeCategory(0, 0);
}
else if (j == 1)
{
var utils = new Utils();
ShapefileCategory ct = sf.Categories.Add("1");
ct.DrawingOptions.FillType = tkFillType.ftStandard;
ct.DrawingOptions.FillColor = utils.ColorByName(tkMapColor.Blue);
sf.set_ShapeCategory(1, 1);
}
else if (j == 2)
{
var utils = new Utils();
ShapefileCategory ct = sf.Categories.Add("2");
ct.DrawingOptions.FillType = tkFillType.ftStandard;
ct.DrawingOptions.FillColor = utils.ColorByName(tkMapColor.Yellow);
sf.set_ShapeCategory(2, 2);
}
else
{
var utils = new Utils();
ShapefileCategory ct = sf.Categories.Add("3");
ct.DrawingOptions.FillType = tkFillType.ftStandard;
ct.DrawingOptions.FillColor = utils.ColorByName(tkMapColor.Red);
sf.set_ShapeCategory(3, 3);
}
}
sf.DefaultDrawingOptions.SetDefaultPointSymbol(tkDefaultPointSymbol.dpsTriangleUp);
Map.AddLayer(sf, true);
Map.SendMouseMove = true;
}
// <summary>
// To apply the same options on the next loading
// </summary>
private void RestoreCategories(AxMap axMap1, string dataPath)
{
string filename = dataPath + "landuse.shp";
Shapefile sf = new Shapefile();
if (sf.Open(filename, null))
{
int handle = axMap1.AddLayer(sf, true);
string description = "";
axMap1.LoadLayerOptions(handle, "categories_sample", ref description);
}
}
// <summary>
// Split a shapefile into several ones according the values the specified attribute.
// </summary>
public void SplitByAttribute(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_NONE;
axMap1.GrabProjectionFromData = true;
string filename = dataPath + "natural.shp";
if (!File.Exists(filename))
{
MessageBox.Show("Couldn't file the file: " + filename);
}
else
{
Shapefile sf = new Shapefile();
sf.Open(filename, null);
int fieldIndex = sf.Table.FieldIndexByName["type"];
sf.Categories.Generate(fieldIndex, tkClassificationType.ctUniqueValues, 0);
sf.Categories.ApplyExpressions();
ColorScheme scheme = new ColorScheme();
scheme.SetColors2(tkMapColor.White, tkMapColor.Black);
for (int i = 0; i < sf.Categories.Count; i++)
{
Shapefile sfNew = sf.Clone();
int layerHandle = axMap1.AddLayer(sfNew, true);
for (int shapeIndex = 0; shapeIndex < sf.NumShapes; shapeIndex++)
{
if (sf.ShapeCategory[shapeIndex] == i)
{
Shape shape = sf.Shape[shapeIndex].Clone();
int index = sfNew.NumShapes;
sfNew.EditInsertShape(shape, ref index);
}
}
ShapefileCategory category = sf.Categories.Item[i];
string name = category.Name.Substring(category.Name.IndexOf("=") + 1);
uint color = scheme.get_RandomColor((i + 1) / sf.Categories.Count);
sfNew.DefaultDrawingOptions.FillColor = color;
axMap1.set_LayerName(layerHandle, name);
//sfNew.SaveAs(path + name + ".shp", null); // saves shapefile
}
ShowLegend();
axMap1.ZoomToMaxExtents();
axMap1.Redraw();
}
}
private void UpdatePoint(AxMap Map, List <MapWinGIS.Point> PointsToUpdate)
{
var sf = new Shapefile();
if (PointShapefileLayerHandle != -1)
{
sf = Map.get_Shapefile(PointShapefileLayerHandle);
}
if (PointShapefileLayerHandle == -1)
{
if (!sf.CreateNewWithShapeID("", ShpfileType.SHP_POINT))
{
MessageBox.Show("Failed to create shapefile: " + sf.ErrorMsg[sf.LastErrorCode]);
return;
}
PointShapefileLayerHandle = Map.AddLayer(sf, true);
}
ShapeDrawingOptions options = sf.DefaultDrawingOptions;
options.PointType = tkPointSymbolType.ptSymbolStandard;
options.PointShape = tkPointShapeType.ptShapeCross;
sf.DefaultDrawingOptions = options;
sf.CollisionMode = tkCollisionMode.AllowCollisions;
sf.EditClear();
foreach (MapWinGIS.Point PointToUpdate in PointsToUpdate)
{
Shape shp = new Shape();
shp.Create(ShpfileType.SHP_POINT);
MapWinGIS.Point pnt = PointToUpdate;
int Index;
Index = shp.NumPoints;
shp.InsertPoint(pnt, ref Index);
Index = sf.NumShapes;
if (!sf.EditInsertShape(shp, Index))
{
MessageBox.Show("Failed to insert shape: " + sf.ErrorMsg[sf.LastErrorCode]);
return;
}
Map.Redraw();
}
if (PointsToUpdate.Count == 0)
{
Map.Redraw();
}
}
private bool AddProjectLayer(ResTBRiskMapLayer resTBRiskMapLayer, bool visible = true)
{
if (!MapControlTools.Layers.Where(m => m.Name == resTBRiskMapLayer.Name).Any())
{
var pointlayer = ds.RunQuery(resTBRiskMapLayer.SQL_Point);
var linelayer = ds.RunQuery(resTBRiskMapLayer.SQL_Line);
var polygonlayer = ds.RunQuery(resTBRiskMapLayer.SQL_Polygon);
if ((pointlayer == null) || (linelayer == null) || (polygonlayer == null))
{
Events.MapControl_Error error = new Events.MapControl_Error()
{
ErrorCode = Events.ErrorCodes.FailedToRunSQLQuery, InMethod = "AddPostGISLayer", AxMapError = ds.GdalLastErrorMsg
};
On_Error(error);
return(false);
}
else
{
int pointhandle = AxMap.AddLayer(pointlayer, visible);
int linehandle = AxMap.AddLayer(linelayer, visible);
int polygonhandle = AxMap.AddLayer(polygonlayer, visible);
if ((pointhandle == -1) || (linehandle == -1) || (polygonhandle == -1))
{
Events.MapControl_Error error = new Events.MapControl_Error()
{
ErrorCode = Events.ErrorCodes.CouldNotLoadLayer, InMethod = "AddPostGISLayer", AxMapError = AxMap.FileManager.get_ErrorMsg(AxMap.FileManager.LastErrorCode)
};
On_Error(error);
return(false);
}
else
{
resTBRiskMapLayer.PointHandle = pointhandle;
resTBRiskMapLayer.LineHandle = linehandle;
resTBRiskMapLayer.PolygonHandle = polygonhandle;
resTBRiskMapLayer.ApplyStyle(AxMap);
MapControlTools.Layers.Add(resTBRiskMapLayer);
Events.MapControl_LayerChange layerchange = new Events.MapControl_LayerChange()
{
LayerChangeReason = Events.LayerChangeReason.AddLayer, Layer = resTBRiskMapLayer
};
On_LayerChange(layerchange);
}
return(true);
}
}
return(false);
}
// <summary>
// Adds randomly positioned labels to the image layer.
// </summary>
public void ImageLabels(AxMap axMap1)
{
axMap1.Projection = tkMapProjection.PROJECTION_NONE;
axMap1.GrabProjectionFromData = true;
Image img = new Image();
OpenFileDialog dlg = new OpenFileDialog {
Filter = img.CdlgFilter
};
if (dlg.ShowDialog() == DialogResult.OK)
{
img.Open(dlg.FileName, ImageType.USE_FILE_EXTENSION, false, null);
axMap1.AddLayer(img, true);
Labels lbl = img.Labels;
lbl.FontSize = 12;
lbl.FontBold = true;
lbl.FontOutlineVisible = true;
lbl.FontOutlineColor = (255 << 16) + (255 << 8) + 255; //white
lbl.FontOutlineWidth = 4;
LabelCategory cat = lbl.AddCategory("Red");
cat.FontColor = 255;
cat = lbl.AddCategory("Blue");
cat.FontColor = 255 << 16;
cat = lbl.AddCategory("Yellow");
cat.FontColor = 255 + 255 << 8;
Extents ext = img.Extents;
double xRange = ext.xMax - ext.xMin;
double yRange = ext.yMax - ext.yMin;
Random rnd = new Random();
for (int i = 0; i < 100; i++)
{
double x = xRange * rnd.NextDouble();
double y = yRange * rnd.NextDouble();
int categoryIndex = i % 3;
lbl.AddLabel("label" + Convert.ToString(i),
ext.xMin + x, ext.yMin + y, i * 3.6, categoryIndex);
}
axMap1.Redraw();
}
}
// <summary>
// Loads the layers and registers event handlers
// </summary>
public void MarkPoints(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
string filename = dataPath + "buildings.shp";
if (!File.Exists(filename))
{
MessageBox.Show("Couldn't file the file: " + filename);
return;
}
var sf = new Shapefile();
sf.Open(filename, null);
m_layerHandle = axMap1.AddLayer(sf, true);
sf = axMap1.get_Shapefile(m_layerHandle); // in case a copy of shapefile was created by GlobalSettings.ReprojectLayersOnAdding
sf = new Shapefile();
if (!sf.CreateNewWithShapeID("", ShpfileType.SHP_POINT))
{
MessageBox.Show("Failed to create shapefile: " + sf.ErrorMsg[sf.LastErrorCode]);
return;
}
m_layerHandle = axMap1.AddLayer(sf, true);
ShapeDrawingOptions options = sf.DefaultDrawingOptions;
options.PointType = tkPointSymbolType.ptSymbolPicture;
options.Picture = this.OpenMarker(dataPath);
sf.CollisionMode = tkCollisionMode.AllowCollisions;
axMap1.SendMouseDown = true;
axMap1.CursorMode = tkCursorMode.cmNone;
MapEvents.MouseDownEvent += AxMap1MouseDownEvent; // change MapEvents to axMap1
}
// <summary>
// Creates and displayes custom line patterns
// </summary>
public void LinePattern(AxMap axMap1, string iconPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_NONE;
var sf = this.CreateLines();
axMap1.AddLayer(sf, true);
var utils = new Utils();
// railroad pattern
LinePattern pattern = new LinePattern();
pattern.AddLine(utils.ColorByName(tkMapColor.Black), 6.0f, tkDashStyle.dsSolid);
pattern.AddLine(utils.ColorByName(tkMapColor.White), 5.0f, tkDashStyle.dsDot);
ShapefileCategory ct = sf.Categories.Add("Railroad");
ct.DrawingOptions.LinePattern = pattern;
ct.DrawingOptions.UseLinePattern = true;
sf.set_ShapeCategory(0, 0);
// river pattern
pattern = new LinePattern();
pattern.AddLine(utils.ColorByName(tkMapColor.DarkBlue), 6.0f, tkDashStyle.dsSolid);
pattern.AddLine(utils.ColorByName(tkMapColor.LightBlue), 4.0f, tkDashStyle.dsSolid);
ct = sf.Categories.Add("River");
ct.DrawingOptions.LinePattern = pattern;
ct.DrawingOptions.UseLinePattern = true;
sf.set_ShapeCategory(1, 1);
// road with direction
pattern = new LinePattern();
pattern.AddLine(utils.ColorByName(tkMapColor.Gray), 8.0f, tkDashStyle.dsSolid);
pattern.AddLine(utils.ColorByName(tkMapColor.Yellow), 7.0f, tkDashStyle.dsSolid);
LineSegment segm = pattern.AddMarker(tkDefaultPointSymbol.dpsArrowRight);
segm.Color = utils.ColorByName(tkMapColor.Orange);
segm.MarkerSize = 10;
segm.MarkerInterval = 32;
ct = sf.Categories.Add("Direction");
ct.DrawingOptions.LinePattern = pattern;
ct.DrawingOptions.UseLinePattern = true;
sf.set_ShapeCategory(2, 2);
}
// <summary>
// A simple GUI for editing attributes of the individual shapes.
// </summary>
public void EditAttributes(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
string filename = dataPath + "buildings.shp";
if (!File.Exists(filename))
{
MessageBox.Show("Couldn't file the file: " + filename);
return;
}
var sf = new Shapefile();
sf.Open(filename, null);
int layerHandle = axMap1.AddLayer(sf, true);
sf = axMap1.get_Shapefile(layerHandle); // in case a copy of shapefile was created by GlobalSettings.ReprojectLayersOnAdding
if (!sf.Table.StartEditingTable(null))
{
MessageBox.Show("Failed to start edit mode: " + sf.Table.ErrorMsg[sf.LastErrorCode]);
}
else
{
string expression = "";
for (int i = 1; i < sf.NumFields; i++) // all the fields will be displayed apart the first one
{
expression += "[" + sf.Field[i].Name + "]";
if (i != sf.NumFields - 1)
{
const string endLine = "\"\n\"";
expression += string.Format("+ {0} +", endLine);
}
}
sf.Labels.Generate(expression, tkLabelPositioning.lpCentroid, false);
sf.Labels.TextRenderingHint = tkTextRenderingHint.SystemDefault;
axMap1.SendMouseDown = true;
axMap1.CursorMode = tkCursorMode.cmNone;
MapEvents.MouseDownEvent += AxMap1MouseDownEvent2; // change MapEvents to axMap1
this.ZoomToValue(sf, "Name", "Lakeview");
}
}
public int AddNewShapefileLayer(string layerName, ShpfileType shapefileType, bool isVisile = true, bool visibleInUI = false)
{
var sf = new Shapefile();
if (sf.CreateNewWithShapeID("", shapefileType))
{
sf.GeoProjection = _axmap.GeoProjection;
}
var h = _axmap.AddLayer(sf, isVisile);
if (h >= 0)
{
_axmap.set_LayerName(h, layerName);
}
return(h);
}
/// <summary>
/// 根据坐标在地图上划线
/// </summary>
/// <param name="Xstart"></param>
/// <param name="Ystart"></param>
/// <param name="Xend"></param>
/// <param name="Yend"></param>
public int WriteLine(ClassLine line, LineSet lineSet)
{
Shape shp = new Shape();
shp.Create(ShpfileType.SHP_POLYLINE);
Point pnt = new Point();
pnt.x = line.startX;
pnt.y = line.startY;
int index = shp.numPoints;
shp.InsertPoint(pnt, ref index);
pnt = new Point();
pnt.x = line.endX;
pnt.y = line.endY;
index = shp.numPoints;
shp.InsertPoint(pnt, ref index);
index = sf.NumShapes;
sf.EditInsertShape(shp, ref index);
//var utils = new Utils();
//LinePattern pattern = new LinePattern();
//pattern.AddLine(utils.ColorByName(lineSet.color), lineSet.Width, lineSet.style);
//ShapefileCategory ct = sf.Categories.Add("Railroad");
//ct.DrawingOptions.LinePattern = pattern;
//ct.DrawingOptions.UseLinePattern = true;
//sf.set_ShapeCategory(0, 0);
var utils = new Utils();
LinePattern pattern = new LinePattern();
pattern.AddLine(utils.ColorByName(lineSet.color), lineSet.Width, lineSet.style);
sf.DefaultDrawingOptions.LinePattern = pattern;
sf.DefaultDrawingOptions.UseLinePattern = true;
layerHandle = map.AddLayer(sf, true);
return(layerHandle);
}
// <summary>
// Selects shapes with certain attributes.
// </summary>
public void SelectByQuery(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
string filename = dataPath + "landuse.shp";
var sf = new Shapefile();
if (sf.Open(filename, null))
{
int layerHandle = axMap1.AddLayer(sf, true);
sf = axMap1.get_Shapefile(layerHandle); // in case a copy of shapefile was created by GlobalSettings.ReprojectLayersOnAdding
// showing labels for [name] field
sf.Labels.Generate("[type]", tkLabelPositioning.lpCentroid, true);
string error = "";
object result = null;
// the text values must be placed in quotes; we need to shield them with \ sign in C#
// fields are must be placed in square brackets
string query = "[type] = \"residential\" AND [osm_id] > 40000000";
if (sf.Table.Query(query, ref result, ref error))
{
int[] shapes = result as int[];
if (shapes != null)
{
for (int i = 0; i < shapes.Length; i++)
{
sf.set_ShapeSelected(shapes[i], true);
}
}
axMap1.ZoomToSelected(layerHandle);
MessageBox.Show("Objects selected: " + sf.NumSelected);
}
else
{
MessageBox.Show("No shapes agree with the condition.");
}
}
}
// <summary>
// Creates a point shapefile by placing 1000 points randomly
// </summary>
public void CreatePointShapefile(AxMap axMap1)
{
axMap1.Projection = tkMapProjection.PROJECTION_NONE;
var sf = new Shapefile();
// MWShapeId field will be added to attribute table
bool result = sf.CreateNewWithShapeID("", ShpfileType.SHP_POINT);
// bounding box for the new shapefile
double xMin = 0.0;
double yMin = 0.0;
double xMax = 1000.0;
double yMax = 1000.0;
// the location of points will be random
Random rnd = new Random(DateTime.Now.Millisecond);
// creating points and inserting them in the shape
for (int i = 0; i < 1000; i++)
{
var pnt = new Point();
pnt.x = xMin + (xMax - xMin) * rnd.NextDouble();
pnt.y = yMin + (yMax - yMin) * rnd.NextDouble();
Shape shp = new Shape();
shp.Create(ShpfileType.SHP_POINT);
int index = 0;
shp.InsertPoint(pnt, ref index);
sf.EditInsertShape(shp, ref i);
}
sf.DefaultDrawingOptions.SetDefaultPointSymbol(tkDefaultPointSymbol.dpsStar);
// adds shapefile to the map
axMap1.AddLayer(sf, true);
// save if needed
//sf.SaveAs(@"c:\points.shp", null);
}
// <summary>
// Loads the layers and registers event handler
// </summary>
public void RemoveShape(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
string filename = dataPath + "natural.shp";
if (!File.Exists(filename))
{
MessageBox.Show("Couldn't file the file: " + filename);
return;
}
var sf = new Shapefile();
sf.Open(filename, null);
int layerHandle = axMap1.AddLayer(sf, true);
sf = axMap1.get_Shapefile(layerHandle); // in case a copy of shapefile was created by GlobalSettings.ReprojectLayersOnAdding
if (!sf.StartEditingShapes(true, null))
{
MessageBox.Show("Failed to start edit mode: " + sf.ErrorMsg[sf.LastErrorCode]);
}
else
{
int fieldIndex = sf.EditAddField("ShapeIndex", FieldType.INTEGER_FIELD, 0, 0);
for (int i = 0; i < sf.NumShapes; i++)
{
sf.EditCellValue(fieldIndex, i, i);
}
sf.Labels.Generate("[ShapeIndex]", tkLabelPositioning.lpCentroid, false);
sf.Labels.Synchronized = true;
sf.Labels.TextRenderingHint = tkTextRenderingHint.SystemDefault;
axMap1.SendMouseDown = true;
MapEvents.MouseDownEvent += AxMap1MouseDownEvent1; // change MapEvents to axMap1
axMap1.MapUnits = tkUnitsOfMeasure.umMeters;
axMap1.CurrentScale = 50000;
axMap1.CursorMode = tkCursorMode.cmNone;
}
}
// <summary>
// Build a list of unique values of the given field and imlement zooming to them from the context menu
// </summary>
public void LabelSelection(AxMap axMap1, string dataPath)
{
axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
string filename = dataPath + "buildings.shp";
if (!File.Exists(filename))
{
System.Windows.Forms.MessageBox.Show("Couldn't file the file: " + filename);
return;
}
Shapefile sf = new Shapefile();
sf.Open(filename, null);
m_layerHandle = axMap1.AddLayer(sf, true);
sf = axMap1.get_Shapefile(m_layerHandle); // in case a copy of shapefile was created by GlobalSettings.ReprojectLayersOnAdding
// let's add labels consisting of Name and type of building on a separate lines
sf.Labels.Generate("[Type]", tkLabelPositioning.lpCenter, false);
sf.Labels.FrameVisible = true;
sf.Labels.FrameType = tkLabelFrameType.lfRectangle;
// now let's add categories
Utils utils = new Utils(); // to specify colors
LabelCategory ct = sf.Labels.AddCategory("Selected");
ct.FrameBackColor = utils.ColorByName(tkMapColor.Yellow);
ct = sf.Labels.AddCategory("Hidden");
ct.Visible = false;
axMap1.SendSelectBoxFinal = true;
axMap1.SendMouseDown = true;
axMap1.CursorMode = tkCursorMode.cmSelection;
MapEvents.SelectBoxFinal += AxMap1SelectBoxFinal2;
}
// <summary>
// Shows attributes of shape in mouse move event.
// </summary>
public void ShowAttributes(AxMap axMap1, string dataPath, ToolStripStatusLabel label)
{
axMap1.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
axMap1.ProjectionMismatchBehavior = tkMismatchBehavior.mbCheckLooseAndReproject;
string filename = dataPath + "landuse.shp";
Shapefile sf = new Shapefile();
if (sf.Open(filename))
{
m_layerHandle = axMap1.AddLayer(sf, true);
sf = axMap1.get_Shapefile(m_layerHandle); // in case a copy of shapefile was created by AxMap.ProjectionMismatchBehavior
sf.HotTracking = true;
axMap1.SendMouseMove = true;
axMap1.CursorMode = tkCursorMode.cmNone;
axMap1.ShapeHighlighted += AxMap1ShapeHighlighted;
m_label = label;
}
else
{
MessageBox.Show("Failed to open shapefile");
}
}