/// <summary>
/// Runs caching
/// </summary>
private void btnRunCaching_Click(object sender, EventArgs e)
{
string filename = Application.StartupPath + @"\TilesPrefetcher.exe";
if (!File.Exists(filename))
{
MessageBox.Show("File is missing: " + filename);
}
else
{
AxMapWinGIS.AxMap map = mapWin.GetOCX as AxMapWinGIS.AxMap;
Extents ext = map.GeographicExtents;
if (ext == null)
{
MessageBox.Show("Geographic extents of the map aren't set.");
}
else
{
double xMin, xMax, yMin, yMax, zMin, zMax;
ext.GetBounds(out xMin, out yMin, out zMin, out xMax, out yMax, out zMax);
String s = String.Format("{0} {1} {2} {3} {4} {5}", yMin, yMax, xMin, xMax, tiles.ProviderId, tiles.DiskCacheFilename);
Debug.Print(s);
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = filename;
startInfo.Arguments = s;
Process.Start(startInfo);
}
}
}
/// <summary>
/// Moves the envelope by the specified offset
/// </summary>
/// <param name="dx">The x offset.</param>
/// <param name="dy">The y offset.</param>
/// <returns>A new envelope</returns>
public IEnvelope Move(double dx, double dy)
{
double xMin, xMax, yMin, yMax, zMin, zMax;
_extents.GetBounds(out xMin, out yMin, out zMin, out xMax, out yMax, out zMax);
return(new Envelope(xMin + dx, xMax + dx, yMin + dy, yMax + dy));
}
/// <summary>
/// Updates number of tiles that already present in the database
/// </summary>
private void UpdateTileCount()
{
if (extents != null)
{
int provider = this.SelectedProvider;
if (!this.MoveFirst())
{
return;
}
do
{
int zoom = this.GetRowZoom();
Extents ext = this.tiles.GetTilesIndices(this.extents, zoom, provider);
if (ext != null)
{
double xMin, xMax, yMin, yMax, zMin, zMax;
ext.GetBounds(out xMin, out yMin, out zMin, out xMax, out yMax, out zMax);
int count = tiles.get_DiskCacheCount(this.SelectedProvider, zoom, (int)xMin, (int)xMax, (int)yMin, (int)yMax);
this.SetRowCount(count);
}
else
{
this.SetRowCount(0);
}
} while (this.MoveToNextRow());
}
}
/// <summary>
/// Creates a new instance of ChooseExtents form
/// </summary>
public ChooseExtents(Extents ext)
{
InitializeComponent();
if (ext != null)
{
double xMin, xMax, yMin, yMax, zMin, zMax;
ext.GetBounds(out xMin, out yMin, out zMin, out xMax, out yMax, out zMax);
txtMinLat.Text = yMin.ToString();
txtMaxLat.Text = yMax.ToString();
txtMinLng.Text = xMin.ToString();
txtMaxLng.Text = xMax.ToString();
}
}
/// <summary>
/// Displayes extents at the textbox
/// </summary>
/// <param name="ext"></param>
private void SetExtents(Extents ext)
{
if (ext != null)
{
double xMin, xMax, yMin, yMax, zMin, zMax;
ext.GetBounds(out xMin, out yMin, out zMin, out xMax, out yMax, out zMax);
this.txtExtents.Text = string.Format("Lat: {0} to {1}; Lng: {2} to {3}",
yMin.ToString("0.000"),
yMax.ToString("0.000"),
xMin.ToString("0.000"),
xMax.ToString("0.000"));
this.extents = ext;
}
}
/// <summary>
/// Fill listview with available scale for the provider
/// </summary>
private void FillListView()
{
this.listView1.Items.Clear();
int provider = this.SelectedProvider;
if (provider != -1)
{
int index = tiles.Providers.get_IndexByProviderId(provider);
int minZoom = tiles.Providers.get_minZoom(index);
int maxZoom = tiles.Providers.get_maxZoom(index);
if (this.extents != null)
{
int number = 0;
for (int zoom = (int)minZoom; zoom <= maxZoom; zoom++)
{
Extents ext = tiles.GetTilesIndices(this.extents, zoom, provider);
if (ext != null)
{
double xMin, xMax, yMin, yMax, zMin, zMax;
ext.GetBounds(out xMin, out yMin, out zMin, out xMax, out yMax, out zMax);
int count = (int)((xMax - xMin + 1) * (yMax - yMin + 1));
if (count > 1)
{
ListViewItem item = this.listView1.Items.Add("");
item.Checked = false;
item.SubItems.Add(zoom.ToString());
item.SubItems.Add(count.ToString());
item.SubItems.Add(""); // number of tiles already in the database
item.SubItems.Add((count * 0.02).ToString("0.00"));
item.SubItems.Add("");
}
number = count;
}
}
}
}
}
