internal RasterOverviewCollection(GdalRasterBand band)
{
if (band == null)
{
throw new ArgumentNullException("band");
}
_band = band;
}
internal RasterBand(GdalRasterBand band, int index)
{
if (band == null)
{
throw new ArgumentNullException("band");
}
_band = band;
_index = index;
}
//public static double Percentile(double[] elements, double percentile)
//{
// Array.Sort(elements);
// double realIndex = percentile * (elements.Length - 1);
// int index = (int)realIndex;
// double frac = realIndex - index;
// if (index + 1 < elements.Length)
// return elements[index] * (1 - frac) + elements[index + 1] * frac;
// else
// return elements[index];
//}
private void axMap1_MouseMoveEvent(object sender, AxMapWinGIS._DMapEvents_MouseMoveEvent e)
{
if (btnShowCellInfo.Checked)
{
string stt = "";
int row;
int column;
double X = 0;
double Y = 0;
axMap1.PixelToProj(e.x, e.y, ref X, ref Y);
stt += "Kinh độ: " + Convert.ToString(Math.Round(X, 3)) +
" Vĩ độ: " + Convert.ToString(Math.Round(Y, 3)) +
". Giá trị Band: ";
MapWinGIS.Image img = axMap1.get_Image(idxLayerRaster);
img.ProjectionToImage(X, Y, out column, out row);
double[] vals = new double[img.NoBands];
for (int i = 1; i <= img.NoBands; i++)
{
GdalRasterBand rst = img.get_Band(i);
double pVal;
rst.get_Value(row, column, out pVal);
vals[i - 1] = pVal;
stt += i.ToString() + " : " + Math.Round(pVal, 3).ToString() + "; ";
}
toolStripStatusLabel1.Text = stt;
}
else
{
double x, y;
x = y = 0;
axMap1.PixelToProj(e.x, e.y, ref x, ref y);
x = Math.Round(x, 3);
y = Math.Round(y, 3);
toolStripStatusLabel1.Text = "Kinh độ: " + Convert.ToString(x) + " Vĩ độ: " + Convert.ToString(y);
}
}
private void mapControl_MouseDownEvent(object sender, _DMapEvents_MouseDownEvent e)
{
if (e.button == 2 && listLabel.Visible)
{
ListViewItem x = listLabel.Items[listLabel.SelectedIndices[0]];
string type = x.SubItems[1].Text;
FormEnterLabel enter = new FormEnterLabel(preSelectedShape.ToString(), type);
enter.ShowDialog();
string str_ = enter.label;
String[] rowData = new String[3];
rowData[0] = preSelectedShape.ToString();
rowData[1] = type;
rowData[2] = str_;
ListViewItem item = new ListViewItem(rowData);
listLabel.Items.RemoveAt(preSelectedShape);
listLabel.Items.Insert(preSelectedShape, item);
}
if (!toolGetValues.Checked)
{
return;
}
Shape shp = new Shape();
if (e.button == 1) // left button
{
Shapefile sf = mapControl.get_Shapefile(mapControl.NumLayers - 1);
shp.Create(ShpfileType.SHP_POINT);
MapWinGIS.Point pnt = new MapWinGIS.Point();
double x = 0.0;
double y = 0.0;
mapControl.PixelToProj(e.x, e.y, ref x, ref y);
Console.WriteLine(x.ToString() + "," + y.ToString());
pnt.x = x;
pnt.y = y;
int index = shp.numPoints;
shp.InsertPoint(pnt, ref index);
index = sf.NumShapes;
if (!sf.EditInsertShape(shp, ref index))
{
MessageBox.Show("Failed to insert shape: " + sf.ErrorMsg[sf.LastErrorCode]);
return;
}
mapControl.Redraw();
}
else
{
return;
}
int row;
int column;
double X = 0;
double Y = 0;
mapControl.PixelToProj(e.x, e.y, ref X, ref Y);
MapWinGIS.Image img = mapControl.get_Image(0);
img.ProjectionToImage(X, Y, out column, out row);
double[] vals = new double[img.NoBands];
for (int i = 1; i <= img.NoBands; i++)
{
GdalRasterBand rst = img.get_Band(i);
double pVal;
rst.get_Value(row, column, out pVal);
vals[i - 1] = pVal;
}
FormRasterValue uiRasterValues = new FormRasterValue(vals);
uiRasterValues.ShowDialog();
shp.Clear();
}
