private void display_shape_file()
{
int totalShapeCount = 0;
int totalNodeCount = 0;
GpsViewNET.Ellipse objEllipse = null;
GpsViewNET.Rectangle objRectangle = null;
GpsViewNET.Brush objBrush = null;
//GpsViewNET.Label objLabel = null;
try
{
shapeFile = new GpsShapeNET.ShapeFile();
// Open the shapefile
shapeFile.Open(shapefilepath, GpsShapeNET.FileMode.FILE_READ);
double Xmin, Xmax, Ymin, Ymax, Zmin, Zmax, Mmin, Mmax = 0;
// Read bounding values specified for whole shapefile and create a blank map
// scaled with these bounding values.
shapeFile.GetBoundingBox(out Xmin, out Xmax, out Ymin, out Ymax, out Zmin, out Zmax, out Mmin, out Mmax);
Xmin_ = Xmin;
Xmax_ = Xmax;
Ymin_ = Ymin;
Ymax_ = Ymax;
bool bIsDatum = false;
if (Ymax <= 90 && Ymin >= -90 && Xmax <= 180 && Xmin >= -180)
{
bIsDatum = true;
}
create_blank_map(Xmin, Xmax, Ymin, Ymax, bIsDatum);
// Create a new layer for this shapefile.
// We like draw all shapes from a certain shapefile on a seperate layer.
string layerName = String.Format("main", layerID);
map1.ActiveLayer(layerName);
layerID++;
// We create an ellipse object and using it to draw all nodes.
int width = Convert.ToInt32(map1.Zoom);
int height = Convert.ToInt32(map1.Zoom);
// We create a brush object and using it for drawing polygon shapes.
objBrush = make_brush();
// Get shape type.
// All shape types supported by ESRI are defined in enum GpsShapeNET.ShapeFileType.
GpsShapeNET.ShapeFileType shapeFileType = shapeFile.ShapeFileType;
// Define a position object to calculate nodes position
// according to it.
// NOTE! Shapes may use different coordinate system than mapshape's.
GpsToolsNET.Position nodePosition = new GpsToolsNET.Position();
if (bIsDatum)
{
nodePosition.Datum = GpsToolsNET.Datum.WGS_84;
}
else
{
nodePosition.Grid = GpsToolsNET.Grid.UTM_NORTH;
nodePosition.Zone = "15";
}
// Start to read all shapes from shapefile.
// NOTE: Even Seek() can be used to access a certain shape.
int shapeId = 0;
while ((shape = shapeFile.Read()) != null)
{
shape.ShapeID = shapeId++;
objEllipse = make_ellipse();
// Calculate number of shapes and total number of nodes.
int nodeCount = shape.TotalNodeCount;
if (nodeCount == 0)
{
// Nothing to draw. Get next shape.
continue;
}
totalNodeCount += nodeCount;
totalShapeCount++;
shape.DatumGridTemplate = nodePosition;
shape.GetBoundingBox(out Xmin, out Xmax, out Ymin, out Ymax, out Zmin, out Zmax, out Mmin, out Mmax);
// Create a mapshape to handle drawing for this shape.
mapShape = map1.NewMapShape(shape);
//mapShapeLabels = map1.NewMapShape(shape);
//mapShape.ID = 666;
switch (shapeFileType)
{
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_POINT:
mapShape.NodeTemplate = objEllipse;
//mapShapeLabels.NodeTemplate = make_label(shape.ShapeID.ToString());
//mapShape.NodeTemplate = objRectangle;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_POINT_Z:
mapShape.NodeTemplate = objEllipse;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_POINT_M:
mapShape.NodeTemplate = objEllipse;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_MULTIPOINT:
mapShape.NodeTemplate = objEllipse;
mapShape.Border.Width = 0;
mapShape.Background.Transparent = true;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_MULTIPOINT_Z:
mapShape.NodeTemplate = objEllipse;
mapShape.Border.Width = 0;
mapShape.Background.Transparent = true;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_MULTIPOINT_M:
// Set an ellipse as a nodetemplate.
// All nodes in the shape will drawn/marked with this object.
mapShape.NodeTemplate = objEllipse;
mapShape.Border.Width = 0;
mapShape.Background.Transparent = true;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_POLYLINE:
mapShape.Border.Width = 1;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_POLYLINE_Z:
mapShape.Border.Width = 1;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_POLYLINE_M:
// Set pen width to 1 to draw lines with. Default value is 0.
mapShape.Border.Width = 1;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_POLYGON:
mapShape.Background = objBrush;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_POLYGON_Z:
mapShape.Background = objBrush;
break;
case GpsShapeNET.ShapeFileType.SHAPE_TYPE_POLYGON_M:
mapShape.Background = objBrush;
// NOTE! Background object could also be defined by directly
// setting it's properties. Following example defines a blue brush object
// for drawing polygons.
// mapShape.Background.Transparent = false;
// mapShape.Background.Blue = 255;
break;
}
}
bFileLoaded = true;
//lbTotalNodeNumber.Text = totalNodeCount.ToString();
//lbNumberOfShapes.Text = totalShapeCount.ToString();
//shapeFile.Close();
// View all shapes on the map.
map1.Update();
}
catch (Exception exp)
{
shapeFile.Close();
bFileLoaded = false;
MessageBox.Show(exp.Message);
return;
}
}
private void GeoRedeProject_Load(object sender, EventArgs e)
{
//datum
GpsToolsNET.Position nodeDatumGrid = new GpsToolsNET.Position();
nodeDatumGrid.Datum = GpsToolsNET.Datum.WGS_84;
//carrega shapeCasas
shapeCasas = new GpsShapeNET.Shape();
shapeCasas.DatumGridTemplate = nodeDatumGrid;
//mapShapeCasas = map1.NewMapShape(shapeCasas);
double Xmin, Xmax, Ymin, Ymax, Zmin, Zmax, Mmin, Mmax = 0;
shapeCasas.GetBoundingBox(out Xmin, out Xmax, out Ymin, out Ymax, out Zmin, out Zmax, out Mmin, out Mmax);
Xmin_ = Xmin;
Xmax_ = Xmax;
Ymin_ = Ymin;
Ymax_ = Ymax;
create_blank_map(Xmin, Xmax, Ymin, Ymax, false);
string layerName = String.Format("main", layerID);
map1.ActiveLayer(layerName);
Cursor.Current = Cursors.Default;
Application.DoEvents();
}
