public TileTerra(TileSetTerra ts, Scale tileScale, GeoCoord topLeft, GeoCoord bottomRight)
{
m_tileSet = ts;
m_tileScale = tileScale;
m_topLeft = topLeft.Clone();
m_bottomRight = bottomRight.Clone();
//LibSys.StatusBar.Trace("TileTerra() topLeft=" + m_topLeft.ToString() + " bottomRight=" + m_bottomRight.ToString());
}
// Use index from TileSetTerra.m_scale to define desired scale.
// if scaleIndexHint==-1 the elev is used to find the best matching scale. See TileSetTerra.calcScaleIndex for more.
public TileSetTerraLayout(GeoCoord coverageTopLeft, GeoCoord coverageBottomRight, double elev, int scaleIndexHint, Theme theme, bool themeIsColor)
{
m_coverageTopLeft = coverageTopLeft;
m_coverageBottomRight = coverageBottomRight;
m_curTheme = theme;
m_curThemeColor = themeIsColor;
double lng = (coverageTopLeft.Lng + coverageBottomRight.Lng) / 2;
double lat = (coverageTopLeft.Lat + coverageBottomRight.Lat) / 2;
m_coverageCenter = new GeoCoord(lng, lat);
int scaleIndex;
Scale tileScale;
isValid = TileSetTerra.calcScaleIndex(m_curTheme, elev, scaleIndexHint, out scaleIndex, out tileScale);
m_tileScale = tileScale;
}
/// <summary>
/// this is complete cut-and-paste from the above - keep them in sync
/// </summary>
/// <param name="obj"></param>
private void listQueryDisconnected(Hashtable list)
{
int xStart = 0;
int yStart = 0;
int xEnd = 0;
int yEnd = 0;
int m_lastFactor = 0;
GeoCoord covTL = m_coverageTopLeft;
GeoCoord covBR = m_coverageBottomRight;
double marginY = 0.0d;
double marginX = 0.0d;
double covTL_Lng = covTL.Lng - marginX;
double covTL_Lat = covTL.Lat + marginY;
double covBR_Lng = covBR.Lng + marginX;
double covBR_Lat = covBR.Lat - marginY;
int currentZone = TileSetTerra.getZone(m_coverageCenter);
LonLatPt lonlat = new LonLatPt();
lonlat.Lat = covTL_Lat;
lonlat.Lon = covTL_Lng;
UtmPt utmptTL = Projection.LonLatPtToUtmNad83Pt(lonlat); // can be in other than currentZone
lonlat.Lat = covBR_Lat;
lonlat.Lon = covBR_Lng;
UtmPt utmptBR = Projection.LonLatPtToUtmNad83Pt(lonlat); // can be in other than currentZone
if (utmptTL.Zone != currentZone)
{
lonlat.Lat = m_coverageCenter.Lat;
lonlat.Lon = m_coverageCenter.Lng;
UtmPt utmptCam = Projection.LonLatPtToUtmNad83Pt(lonlat); // can be in other than currentZone
double dX = utmptBR.X - utmptCam.X;
utmptTL.X = utmptCam.X - dX;
utmptTL.Zone = currentZone;
}
else if (utmptBR.Zone != currentZone)
{
lonlat.Lat = m_coverageCenter.Lat;
lonlat.Lon = m_coverageCenter.Lng;
UtmPt utmptCam = Projection.LonLatPtToUtmNad83Pt(lonlat); // can be in other than currentZone
double dX = utmptCam.X - utmptTL.X;
utmptBR.X = utmptCam.X + dX;
utmptBR.Zone = currentZone;
}
int iScale = (int)m_tileScale;
int metersPerPixel = (1 << ((int)iScale - 10));
int factor = 200 * metersPerPixel;
if (xEnd - xStart == 0 || m_lastFactor == 0)
{
xStart = (int)Math.Floor(utmptTL.X / factor);
yStart = (int)Math.Ceiling(utmptTL.Y / factor);
xEnd = (int)Math.Ceiling(utmptBR.X / factor);
yEnd = (int)Math.Floor(utmptBR.Y / factor);
m_lastFactor = factor;
}
else
{
xStart = xStart * m_lastFactor / factor;
yStart = yStart * m_lastFactor / factor;
xEnd = xEnd * m_lastFactor / factor;
yEnd = yEnd * m_lastFactor / factor;
}
int numTilesX = xEnd - xStart;
int numTilesY = yStart - yEnd;
int hCount = numTilesX;
int vCount = numTilesY;
UtmPt utmpt = new UtmPt();
utmpt.X = xStart * factor;
utmpt.Y = yStart * factor;
utmpt.Zone = currentZone;
lonlat = Projection.UtmNad83PtToLonLatPt(utmpt);
double topLeftLat = lonlat.Lat;
double topLeftLng = lonlat.Lon;
utmpt.X = (xStart + numTilesX) * factor;
utmpt.Y = (yStart - numTilesY) * factor;
lonlat = Projection.UtmNad83PtToLonLatPt(utmpt);
double bottomRightLat = lonlat.Lat;
double bottomRightLng = lonlat.Lon;
int themeCode = getThemeCode();
int xx = (int)xStart;
for (int hhh = 0; hhh < hCount; hhh++)
{
int yy = (int)yStart;
for (int vvv = 0; vvv < vCount; vvv++)
{
utmpt.X = xx * factor;
utmpt.Y = (yy) * factor;
utmpt.Zone = currentZone;
lonlat = Projection.UtmNad83PtToLonLatPt(utmpt);
double tllat = lonlat.Lat;
double tllng = lonlat.Lon;
utmpt.X = (xx + 1) * factor;
utmpt.Y = (yy - 1) * factor;
lonlat = Projection.UtmNad83PtToLonLatPt(utmpt);
double brlat = lonlat.Lat;
double brlng = lonlat.Lon;
GeoCoord tileTopLeft = new GeoCoord(tllng, tllat);
GeoCoord tileBottomRight = new GeoCoord(brlng, brlat);
String baseName = String.Format("T{0}-S{1}-Z{2}-X{3}-Y{4}", themeCode, (Int32)m_tileScale, currentZone, xx, (yy - 1));
if (!list.ContainsKey(baseName))
{
list.Add(baseName, null);
}
#if DEBUG
//LibSys.StatusBar.Trace("[" + vvv + "," + hhh + "] " + baseName);
//LibSys.StatusBar.Trace(" -- topLeft=" + tileTopLeft + " bottomRight=" + tileBottomRight);
#endif
yy--;
}
xx++;
}
}
/// <summary>
/// this is somewhat cut-and-paste from its namesake from the TileSetTerra.cs keep them in sync
/// </summary>
/// <param name="obj"></param>
private void _queryDisconnected(object obj)
{
int xStart = 0;
int yStart = 0;
int xEnd = 0;
int yEnd = 0;
int m_lastFactor = 0;
GeoCoord covTL = m_coverageTopLeft;
GeoCoord covBR = m_coverageBottomRight;
double marginY = 0.0d;
double marginX = 0.0d;
double covTL_Lng = covTL.Lng - marginX;
double covTL_Lat = covTL.Lat + marginY;
double covBR_Lng = covBR.Lng + marginX;
double covBR_Lat = covBR.Lat - marginY;
int currentZone = TileSetTerra.getZone(m_coverageCenter);
LonLatPt lonlat = new LonLatPt();
lonlat.Lat = covTL_Lat;
lonlat.Lon = covTL_Lng;
UtmPt utmptTL = Projection.LonLatPtToUtmNad83Pt(lonlat); // can be in other than currentZone
lonlat.Lat = covBR_Lat;
lonlat.Lon = covBR_Lng;
UtmPt utmptBR = Projection.LonLatPtToUtmNad83Pt(lonlat); // can be in other than currentZone
if (utmptTL.Zone != currentZone)
{
lonlat.Lat = m_coverageCenter.Lat;
lonlat.Lon = m_coverageCenter.Lng;
UtmPt utmptCam = Projection.LonLatPtToUtmNad83Pt(lonlat); // can be in other than currentZone
double dX = utmptBR.X - utmptCam.X;
utmptTL.X = utmptCam.X - dX;
utmptTL.Zone = currentZone;
}
else if (utmptBR.Zone != currentZone)
{
lonlat.Lat = m_coverageCenter.Lat;
lonlat.Lon = m_coverageCenter.Lng;
UtmPt utmptCam = Projection.LonLatPtToUtmNad83Pt(lonlat); // can be in other than currentZone
double dX = utmptCam.X - utmptTL.X;
utmptBR.X = utmptCam.X + dX;
utmptBR.Zone = currentZone;
}
int iScale = (int)m_tileScale;
int metersPerPixel = (1 << ((int)iScale - 10));
int factor = 200 * metersPerPixel;
if (xEnd - xStart == 0 || m_lastFactor == 0)
{
xStart = (int)Math.Floor(utmptTL.X / factor);
yStart = (int)Math.Ceiling(utmptTL.Y / factor);
xEnd = (int)Math.Ceiling(utmptBR.X / factor);
yEnd = (int)Math.Floor(utmptBR.Y / factor);
m_lastFactor = factor;
}
else
{
xStart = xStart * m_lastFactor / factor;
yStart = yStart * m_lastFactor / factor;
xEnd = xEnd * m_lastFactor / factor;
yEnd = yEnd * m_lastFactor / factor;
}
int numTilesX = xEnd - xStart;
int numTilesY = yStart - yEnd;
int hCount = numTilesX;
int vCount = numTilesY;
UtmPt utmpt = new UtmPt();
utmpt.X = xStart * factor;
utmpt.Y = yStart * factor;
utmpt.Zone = currentZone;
lonlat = Projection.UtmNad83PtToLonLatPt(utmpt);
double topLeftLat = lonlat.Lat;
double topLeftLng = lonlat.Lon;
utmpt.X = (xStart + numTilesX) * factor;
utmpt.Y = (yStart - numTilesY) * factor;
lonlat = Projection.UtmNad83PtToLonLatPt(utmpt);
double bottomRightLat = lonlat.Lat;
double bottomRightLng = lonlat.Lon;
int themeCode = getThemeCode();
int xx = (int)xStart;
for (int hhh = 0; hhh < hCount; hhh++)
{
int yy = (int)yStart;
for (int vvv = 0; vvv < vCount; vvv++)
{
utmpt.X = xx * factor;
utmpt.Y = (yy) * factor;
utmpt.Zone = currentZone;
lonlat = Projection.UtmNad83PtToLonLatPt(utmpt);
double tllat = lonlat.Lat;
double tllng = lonlat.Lon;
utmpt.X = (xx + 1) * factor;
utmpt.Y = (yy - 1) * factor;
lonlat = Projection.UtmNad83PtToLonLatPt(utmpt);
double brlat = lonlat.Lat;
double brlng = lonlat.Lon;
GeoCoord tileTopLeft = new GeoCoord(tllng, tllat);
GeoCoord tileBottomRight = new GeoCoord(brlng, brlat);
String baseName = String.Format("T{0}-S{1}-Z{2}-X{3}-Y{4}", themeCode, (Int32)m_tileScale, currentZone, xx, (yy - 1));
if (TerraserverCache.TileNamesCollection != null)
{
if (!TerraserverCache.TileNamesCollection.ContainsKey(baseName))
{
TerraserverCache.TileNamesCollection.Add(baseName, null);
}
}
lock (m_duplicates)
{
if (!m_duplicates.ContainsKey(baseName))
{
TerraserverCache.downloadIfMissing(baseName);
m_duplicates.Add(baseName, null);
}
}
#if DEBUG
//LibSys.StatusBar.Trace("[" + vvv + "," + hhh + "] " + baseName);
//LibSys.StatusBar.Trace(" -- topLeft=" + tileTopLeft + " bottomRight=" + tileBottomRight);
#endif
yy--;
}
xx++;
}
int totalCount = TileSetTerraLayout.DuplicatesCount;
int newCount = ThreadPool2.WaitingCallbacks;
if (newCount == 0)
{
LibSys.StatusBar.Trace("*Preload tiles: nothing to download - all " + totalCount + " tiles already in cache.");
}
else
{
if (newCount <= totalCount)
{
LibSys.StatusBar.Trace("*Preload tiles: trying to download " + newCount + " new of total " + totalCount + " tiles");
}
else
{
LibSys.StatusBar.Trace("*Preload tiles: trying to download " + newCount + " new tiles");
}
}
}