public FishingGroundMappingHandler(GeoProjection geoProjection = null)
{
_geoProjection.SetWgs84();
if (geoProjection != null)
{
_geoProjection = geoProjection;
}
}
public static void CheckProjection()
{
var proj = new GeoProjection {
GlobalCallback = callback
};
if (proj.SetWgs84())
{
if (!proj.SetGoogleMercator())
{
MessageBox.Show("ERROR: failed to set projection");
}
else
{
axMap1.GeoProjection = proj;
if (!proj.SetWgs84())
{
Debug.WriteLine("Failed to change projection of the map; Frozen: " + proj.IsFrozen);
axMap1.GeoProjection = proj.Clone();
if (!proj.SetWgs84())
{
MessageBox.Show("ERROR: projection is still frozen when no longer applied to map");
}
else
{
Debug.WriteLine("Projection changed; Frozen: " + proj.IsFrozen);
MessageBox.Show("Success");
}
}
else
{
MessageBox.Show("ERROR: projection of the map was changed; Frozen: " + proj.IsFrozen);
}
}
}
else
{
MessageBox.Show("Failed to set WGS84 projection");
}
}
public void CreateLayerSQLiteTest()
{
var ogrDatasource = new OgrDatasource();
try
{
var result = ogrDatasource.Open2(@"sqlite\onepoint.sqlite", true);
Assert.IsTrue(result, "Cannot open SQLite file: " + ogrDatasource.GdalLastErrorMsg);
var settings = new GlobalSettings {
OgrLayerForceUpdateMode = true
};
var capability = ogrDatasource.TestCapability(tkOgrDSCapability.odcCreateLayer);
Debug.WriteLine("odcCreateLayer: " + capability);
Assert.IsTrue(capability, "Cannot create layer");
var originalLayerCount = ogrDatasource.LayerCount;
var projection = new GeoProjection();
Assert.IsTrue(projection.SetWgs84(), "Cannot set projection");
var layerCreated = ogrDatasource.CreateLayer("Test", ShpfileType.SHP_POINT, projection, "OVERWRITE=YES");
Assert.IsTrue(layerCreated, "Cannot create layer");
Debug.WriteLine(ogrDatasource.GdalLastErrorMsg);
Assert.AreEqual(originalLayerCount + 1, ogrDatasource.LayerCount, "New layer isn't created");
Debug.WriteLine("GetLayerName: " + ogrDatasource.GetLayerName(ogrDatasource.LayerCount - 1));
var firstLayer = ogrDatasource.GetLayer(0);
Assert.IsNotNull(firstLayer, $"Could not get first layer: {ogrDatasource.GdalLastErrorMsg}");
// Get layer:
var newLayer = ogrDatasource.GetLayer(ogrDatasource.LayerCount - 1, true);
// var newLayer = ogrDatasource.GetLayerByName("test", true);
Assert.IsNotNull(newLayer, $"Could not get new layer: {ogrDatasource.GdalLastErrorMsg}");
// Add field:
var numFeatures = newLayer.FeatureCount[true];
Debug.WriteLine("numFeatures: " + numFeatures);
TestSQLiteLayers(ogrDatasource);
}
finally
{
if (ogrDatasource.LayerCount > 1)
{
ogrDatasource.DeleteLayer(ogrDatasource.LayerCount);
}
ogrDatasource.Close();
}
}
private void button1_Click(object sender, EventArgs e)
{
if (App.Map.NumLayers > 0)
{
MessageHelper.Info("Can't change projection when there are layers on the map.");
return;
}
var gp = new GeoProjection();
if (optDefinition.Checked)
{
if (string.IsNullOrWhiteSpace(txtDefinition.Text))
{
MessageHelper.Info("Projection string is empty");
return;
}
if (!gp.ImportFromAutoDetect(txtDefinition.Text))
{
MessageHelper.Info("Failed to identify projection");
return;
}
}
if (optEmpty.Checked)
{
// do nothing it's empty all right
}
if (optWellKnown.Checked)
{
if (cboWellKnown.SelectedIndex == 0)
{
gp.SetWgs84();
}
if (cboWellKnown.SelectedIndex == 1)
{
gp.SetGoogleMercator();
}
}
App.Map.GeoProjection = gp;
App.Map.Redraw();
DialogResult = DialogResult.OK;
}
/// <summary>
/// add the MBR of a target area as a new map layer
/// </summary>
/// <param name="moveMapToMBRCenter"></param>
public void AddMBRLayer(TargetArea targetArea, bool moveMapToMBRCenter = false)
{
var sf = new Shapefile();
if (sf.CreateNew("", ShpfileType.SHP_POLYGON))
{
GeoProjection gp = new GeoProjection();
gp.SetWgs84();
sf.GeoProjection = gp;
int ifldTargetArea = sf.EditAddField("Target area", FieldType.STRING_FIELD, 1, 30);
int ifldyMax = sf.EditAddField("yMax", FieldType.DOUBLE_FIELD, 10, 12);
int ifldxMin = sf.EditAddField("xMin", FieldType.DOUBLE_FIELD, 10, 12);
int ifldyMin = sf.EditAddField("yMin", FieldType.DOUBLE_FIELD, 10, 12);
int ifldxMax = sf.EditAddField("xMax", FieldType.DOUBLE_FIELD, 10, 12);
int ifldWidth = sf.EditAddField("Width", FieldType.DOUBLE_FIELD, 10, 12);
int ifldHeight = sf.EditAddField("Height", FieldType.DOUBLE_FIELD, 10, 12);
int ifldArea = sf.EditAddField("Area", FieldType.DOUBLE_FIELD, 15, 17);
var ext = new Extents();
//ext.SetBounds(FishingGrid.LowerRighttExtent.X,
// FishingGrid.LowerRighttExtent.Y,
// 0,
// FishingGrid.UpperLeftExtent.X,
// FishingGrid.UpperLeftExtent.Y,
// 0);
ext.SetBounds(targetArea.UpperLeftPointLL.X, targetArea.LowerRightPointLL.Y, 0,
targetArea.LowerRightPointLL.X, targetArea.UpperLeftPointLL.Y, 0);
var shp = ext.ToShape();
int iShp = sf.EditAddShape(shp);
if (iShp >= 0)
{
sf.EditCellValue(ifldTargetArea, iShp, targetArea.TargetAreaName);
if (sf.Labels.Generate("[Target area]", tkLabelPositioning.lpCenter, true) > 0)
{
sf.Labels.FontSize = 13;
sf.Labels.FrameVisible = false;
sf.Labels.Visible = true;
sf.Labels.FontBold = true;
}
sf.EditCellValue(ifldyMax, iShp, ext.yMax);
sf.EditCellValue(ifldxMin, iShp, ext.xMin);
sf.EditCellValue(ifldyMin, iShp, ext.yMin);
sf.EditCellValue(ifldxMax, iShp, ext.xMax);
sf.EditCellValue(ifldWidth, iShp, targetArea.Width);
sf.EditCellValue(ifldHeight, iShp, targetArea.Height);
sf.EditCellValue(ifldArea, iShp, targetArea.Area);
sf.DefaultDrawingOptions.FillVisible = false;
sf.DefaultDrawingOptions.LineColor = new Utils().ColorByName(tkMapColor.Blue);
sf.DefaultDrawingOptions.LineWidth = 2;
AddLayer(sf, "MBR", true, true);
if (moveMapToMBRCenter)
{
ext = MapControl.Extents;
ext.MoveTo(sf.Extents.Center.x, sf.Extents.Center.y);
MapControl.Extents = ext;
}
}
}
}
public bool SetWgs84()
{
_epsgCode = 4326;
return(_projection.SetWgs84());
}
public bool SetWgs84()
{
return(_projection.SetWgs84());
}
