public void Message(string msg, ref bool Handled)
{
if (msg.StartsWith("ODP_Selected_WMS_Layer") || msg.StartsWith("ODP_Added_WMS_Layer"))
{
m_OnWMSLayer = true;
m_WMSLayerIDReturn = "";
if (Activated)
{
// Force reloading of the new layer by toggling activation
MapWinGIS.Extents oldExts = m_MapWin.View.Extents;
LoadLayer();
m_MapWin.View.Extents = oldExts;
}
}
else if (msg.StartsWith("ODP_Selected_Non_WMS_Layer"))
{
m_OnWMSLayer = false;
m_WMSLayerIDReturn = "";
}
else if (msg.StartsWith("ODP_Identifier_Data_Return"))
{
if (Activated)
{
m_WMSLayerIDReturn = msg.Replace("ODP_Identifier_Data_Return ", "");
// Force reloading of the new layer by toggling activation
MapWinGIS.Extents oldExts = m_MapWin.View.Extents;
LoadLayer();
m_MapWin.View.Extents = oldExts;
}
}
}
public void SnapshotTest()
{
MapWindow.Interfaces.View target = new View(); // TODO: Initialize to an appropriate value
MapWinGIS.Extents Bounds = null; // TODO: Initialize to an appropriate value
MapWinGIS.Image expected = null; // TODO: Initialize to an appropriate value
MapWinGIS.Image actual;
actual = target.Snapshot(Bounds);
Assert.AreEqual(expected, actual);
Assert.Inconclusive("Verify the correctness of this test method.");
}
/// <summary>
/// determine if the shape is partially inside grid extents
/// </summary>
/// <param name="shp"></param>
/// <param name="hdr"></param>
/// <returns>false, if the shape is completely outside grid extents
/// true, if it's at least partially inside</returns>
private bool IsGridContainsShape(MapWinGIS.Shape shp, MapWinGIS.GridHeader hdr)
{
double gridXmin = hdr.XllCenter;
double gridYmin = hdr.YllCenter;
double gridXmax = gridXmin + (hdr.NumberCols * hdr.dX);
double gridYmax = gridYmin + (hdr.NumberRows * hdr.dY);
MapWinGIS.Extents ext = shp.Extents;
if (ext.xMin > gridXmax || ext.yMin > gridYmax ||
ext.xMax < gridXmin || ext.yMax < gridYmin)
{
return(false);
}
else
{
return(true);
}
}
private string GetLayerDescription()
{
string s = "";
MapWinGIS.Map map = _legend.Map;
if (map != null)
{
txtComments.Text = map.get_LayerDescription(_layerHandle);
}
MapWinGIS.Extents ext = _shapefile.Extents;
//string units = Globals.get_MapUnits();
string units = "";
string type = _shapefile.ShapefileType.ToString().Substring(4).ToLower() + " shapefile";
var layer = map.get_OgrLayer(_layerHandle);
if (layer != null)
{
s += "Datasource type: OGR layer" + Environment.NewLine;
s += "Driver name: " + layer.DriverName + Environment.NewLine;
s += "Connection string: " + layer.GetConnectionString() + Environment.NewLine;
s += "Layer type: " + layer.SourceType.ToString() + Environment.NewLine;
s += "Name or query: " + layer.GetSourceQuery() + Environment.NewLine;
s += "Support editing: " + layer.SupportsEditing[tkOgrSaveType.ostSaveAll] + Environment.NewLine;
s += "Dynamic loading: " + layer.DynamicLoading + "\n";
}
else
{
s += "Datasource type: ESRI Shapefile" + Environment.NewLine;
}
s += "Type: " + type + Environment.NewLine +
"Number of shapes: " + _shapefile.NumShapes + Environment.NewLine +
"Selected: " + _shapefile.NumSelected + Environment.NewLine +
"Source: " + _shapefile.Filename + Environment.NewLine +
"Bounds X: " + String.Format("{0:F2}", ext.xMin) + " to " + String.Format("{0:F2}", ext.xMax) + units + Environment.NewLine +
"Bounds Y: " + String.Format("{0:F2}", ext.yMin) + " to " + String.Format("{0:F2}", ext.yMax) + units + Environment.NewLine +
"Projection: " + _shapefile.Projection;
return(s);
}
public void LayerSelected(int Handle)
{
if (Handle == -1)
{
return;
}
//only do this if not on a wms layer, because wms layers are handled through the Message
if (!m_OnWMSLayer)
{
if (Activated)
{
// Force reloading of the new layer by toggling activation
MapWinGIS.Extents oldExts = m_MapWin.View.Extents;
//Activated = false;
//Activated = true;
LoadLayer();
m_MapWin.View.Extents = oldExts;
}
}
}
public MapWinGIS.Extents GetBoundBox(Bounds bounds)
{
double maxX, maxY, minX, minY;
double x1 = 0, y1 = 0, x2 = 0, y2 = 0;
MapWinGIS.Extents boundBox = new MapWinGIS.Extents();
//get the projection points
m_MapWin.View.PixelToProj(bounds.x1, bounds.y1, ref x1, ref y1);
m_MapWin.View.PixelToProj(bounds.x2, bounds.y2, ref x2, ref y2);
//Set max and min X values
if (x1 >= x2)
{
maxX = x1;
minX = x2;
}
else
{
maxX = x2;
minX = x1;
}
//Set max and min Y values
if (y1 >= y2)
{
maxY = y1;
minY = y2;
}
else
{
maxY = y2;
minY = y1;
}
boundBox.SetBounds(minX, minY, 0, maxX, maxY, 0);
return(boundBox);
}
private MapWinGIS.Extents GetMaxExtents(MapWinGIS.Extents ex, MapWinGIS.GridHeader header)
{
MapWinGIS.Extents extents = new MapWinGIS.ExtentsClass();
double xMin = 0, xMax = 0, yMin = 0, yMax = 0;
double newXMin = 0, newXMax = 0, newYMin = 0, newYMax = 0;
//find the grid Max and Min extents
xMin = header.XllCenter;
yMin = header.YllCenter;
xMax = header.XllCenter + header.dX * header.NumberCols;
yMax = header.YllCenter + header.dY * header.NumberRows;
if (ex == null)
{
return(null);
}
else if (ex.xMax < xMin || ex.yMax < yMin || ex.xMin > xMax || ex.yMin > yMax)
{
//out of bounds return nothing
return(null);
}
else
{
//check to make sure the selected bounds are within the grid
if (ex.xMin < xMin)
{
newXMin = xMin;
}
else
{
newXMin = ex.xMin;
}
if (ex.yMin < yMin)
{
newYMin = yMin;
}
else
{
newYMin = ex.yMin;
}
if (ex.xMax > xMax)
{
newXMax = xMax;
}
else
{
newXMax = ex.xMax;
}
if (ex.yMax > yMax)
{
newYMax = yMax;
}
else
{
newYMax = ex.yMax;
}
extents.SetBounds(newXMin, newYMin, 0, newXMax, newYMax, 0);
}
return(extents);
}
private void PopulateLV(ref System.Data.DataSet dataset, Grid grid, MapWinGIS.Extents extents, int LyrHandle)
{
int maxCapacity = grid.Header.NumberCols * grid.Header.NumberRows;
System.Collections.Hashtable table = new Hashtable();
int endRow = 0, endCol = 0;
int startRow = 0, startCol = 0;
double cellValue = 0;
GridValue gridValue;
try
{
//find the begining and end cells
grid.ProjToCell(extents.xMin, extents.yMax, out startCol, out startRow);
grid.ProjToCell(extents.xMax, extents.yMin, out endCol, out endRow);
MapWinGIS.GridDataType type = grid.DataType;
// Ensure the same datatype is used between noDataValue and Cell Value to prevent missing
// digits on scientific notation
double noDataValue = 0;
if (type == MapWinGIS.GridDataType.LongDataType)
{
noDataValue = (double)Math.Round(double.Parse(grid.Header.NodataValue.ToString()));
}
else if (type == MapWinGIS.GridDataType.DoubleDataType)
{
noDataValue = double.Parse(grid.Header.NodataValue.ToString());
}
else if (type == MapWinGIS.GridDataType.FloatDataType)
{
noDataValue = (double)float.Parse(grid.Header.NodataValue.ToString());
}
else if (type == MapWinGIS.GridDataType.ShortDataType)
{
noDataValue = (double)short.Parse(grid.Header.NodataValue.ToString());
}
bool WarnedBefore = false;
//find all the values and the count
for (int row = startRow; row <= endRow; row++)
{
for (int col = startCol; col <= endCol; col++)
{
try
{
//System.Diagnostics.Debug.WriteLine("Col: " + col + " Row: " + row);
//System.Diagnostics.Debug.WriteLine(grid.get_Value(col,row).ToString());
if (type == MapWinGIS.GridDataType.LongDataType)
{
cellValue = long.Parse(grid.get_Value(col, row).ToString());
}
else if (type == MapWinGIS.GridDataType.DoubleDataType)
{
cellValue = double.Parse(grid.get_Value(col, row).ToString());
}
else if (type == MapWinGIS.GridDataType.FloatDataType)
{
cellValue = float.Parse(grid.get_Value(col, row).ToString());
}
else if (type == MapWinGIS.GridDataType.ShortDataType)
{
cellValue = short.Parse(grid.get_Value(col, row).ToString());
}
//ignore the value if it is a no data value
// Assume that if the value and the nodata value are both very near min long, it's nodata (float rounding errors)
if (cellValue != noDataValue && !(cellValue < -2147483640 && noDataValue < -2147483640))
{
//if the table contains the value then increment the count
if (table.Contains(cellValue))
{
gridValue = (GridValue)table[cellValue];
gridValue.count++;
table[cellValue] = gridValue;
}
//add a new value to the table.
// Cap to maximum size of unique values
else if (table.Count < 10000)
{
gridValue = new GridValue();
gridValue.cellValue = cellValue;
gridValue.count = 1;
table.Add(cellValue, gridValue);
}
else
{
if (!WarnedBefore)
{
MapWinUtility.Logger.Message("Warning: Exceeded maximum cap of 10,000 unique values in the table. Some values may be ommitted.", "Exceeded Max Unique Values", MessageBoxButtons.OK, MessageBoxIcon.Information, DialogResult.OK);
WarnedBefore = true;
}
}
}
}
catch (FormatException)
{
// Probably a bad nodata value.
}
}
}
if (table.Count > 0)
{
IDictionaryEnumerator myEnumerator = table.GetEnumerator();
//itialize the high and low values
myEnumerator.MoveNext();
double high = ((GridValue)myEnumerator.Value).cellValue;
double low = ((GridValue)myEnumerator.Value).cellValue;
myEnumerator.Reset();
//move to the next value in the hashtable
while (myEnumerator.MoveNext())
{
gridValue = (GridValue)myEnumerator.Value;
string s = gridValue.cellValue.ToString();
double ds = 0;
double.TryParse(s, out ds);
if (m_parent.m_MapWin.Layers[LyrHandle].ColoringScheme != null)
{
MapWinGIS.GridColorScheme sch = (MapWinGIS.GridColorScheme)m_parent.m_MapWin.Layers[LyrHandle].ColoringScheme;
for (int z = 0; z < sch.NumBreaks; z++)
{
MapWinGIS.GridColorBreak brk = sch.get_Break(z);
double compareStart = 0;
double compareEnd = 0;
if (double.TryParse(brk.HighValue.ToString(), out compareEnd) && double.TryParse(brk.LowValue.ToString(), out compareStart))
{
if (compareEnd >= ds && compareStart <= ds && brk.Caption != "")
{
s += " (" + brk.Caption + ")";
break;
}
}
else
{
if (brk.HighValue.ToString() == s && brk.LowValue.ToString() == s && brk.Caption != "")
{
s += " (" + brk.Caption + ")";
break;
}
}
}
}
dataset.Tables[0].Rows.Add(s, gridValue.count.ToString());
//keep track of the high and low values in the hashtable
if (gridValue.cellValue > high)
{
high = gridValue.cellValue;
}
if (gridValue.cellValue < low)
{
low = gridValue.cellValue;
}
}
lbHighValue.Text = high.ToString();
lbLowValue.Text = low.ToString();
}
//the region that was selected was out of the grid bounds
else
{
lbHighValue.Text = "No Data";
lbLowValue.Text = "No Data";
}
}
catch (System.Exception ex)
{
ShowErrorBox("PopulateLV()", ex.Message);
}
}
public void PopulateForm(bool ShowAfterward, MapWinGIS.Grid grid, string layerName, MapWinGIS.Extents ex, int LyrHandle)
{
m_HavePanel = !ShowAfterward;
try
{
SetTitle(layerName);
MapWinGIS.Extents extents = null;
//clear the list view
dgv.DataSource = null;
System.Data.DataSet ds = new System.Data.DataSet();
ds.Tables.Add();
ds.Tables[0].Columns.Add("Value", typeof(string));
ds.Tables[0].Columns.Add("Count", typeof(long));
if (m_hDraw != -1)
{
m_parent.m_MapWin.View.Draw.ClearDrawing(m_hDraw);
m_hDraw = -1;
}
//recalculates the extents if needed
extents = GetMaxExtents(ex, grid.Header);
extents = ex;
if (extents != null)
{
//set the map cursor to a wait cursor
MapWinGIS.tkCursor m_PreviousCursor = m_parent.m_MapWin.View.MapCursor;
m_parent.m_MapWin.View.MapCursor = MapWinGIS.tkCursor.crsrWait;
//populate all the values and counts
PopulateLV(ref ds, grid, extents, LyrHandle);
//set the cursor back to the Identifier cursor
m_parent.m_MapWin.View.MapCursor = m_PreviousCursor;
}
else
{
lbHighValue.Text = "No Data";
lbLowValue.Text = "No Data";
}
SkipDisplayValues = true;
if (m_hDraw != -1)
{
m_parent.m_MapWin.View.Draw.ClearDrawing(m_hDraw);
}
dgv.DataSource = ds.Tables[0];
if (dgv.SelectedRows.Count > 0)
{
dgv.SelectedRows[0].Selected = false;
}
SkipDisplayValues = false;
m_Extents = extents;
m_Grid = grid;
if (ShowAfterward)
{
this.Show();
}
}
catch (System.Exception exception)
{
ShowErrorBox("PopulateForm()", exception.Message);
}
}