////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Remove a map layer from map's layer collection.
* @param mapLayer map layer to be removed.
*/
public void RemoveMapFeatureLayer(MapFeatureLayer mapLayer)
{
if (_geoSet != null)
{
_geoSet.RemoveMapFeatureLayer(mapLayer);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Inserts the specified map layer to map's layer collection at the
* specified index. Each map layer in map's layer collection with an index
* greater or equal to the specified index is shifted upward to have an
* index one greater than the value it had previously.
* @param mapLayer the map layer to insert.
* @param index where to insert the new map layer.
*/
public void InsertMapFeatureLayer(MapFeatureLayer mapLayer, int index)
{
if (_geoSet != null)
{
_geoSet.InsertMapFeatureLayer(mapLayer, index);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* get all records based on given rectangle.
* @param rectGeo the boundary..
* @return a hashtable array Contains of all matched record.
* the key is the mapInfo ID. the value is the MBR of map object.
* @
*/
public Hashtable[] Search(GeoLatLngBounds rectGeo)
{
lock (_mapFeatureLayers)
{
Hashtable[] retTable = new Hashtable[_mapFeatureLayers.Count];
GeoLatLng pt1 = new GeoLatLng(rectGeo.Y, rectGeo.X);
GeoLatLng pt2 = new GeoLatLng(rectGeo.Y + rectGeo.Height,
rectGeo.X + rectGeo.Width);
double distance = GeoLatLng.Distance(pt1, pt2);
if (_mapUnit == MAPUNIT_MILE)
{
distance /= 1.632;
}
for (int i = 0; i < _mapFeatureLayers.Count; i++)
{
MapFeatureLayer mapLayer = (MapFeatureLayer)_mapFeatureLayers[i];
if (mapLayer.CanBeShown(distance))
{
retTable[i] = mapLayer.Search(rectGeo);
}
else
{
retTable[i] = new Hashtable();
}
}
return(retTable);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Open the map.
* @
*/
public void Open()
{
lock (_mapFeatureLayers)
{
int layerCount = _mapFeatureLayers.Count;
if (layerCount > 0)
{
((MapFeatureLayer)_mapFeatureLayers[0]).Open();
_bounds = ((MapFeatureLayer)_mapFeatureLayers[0]).Bounds;
}
else
{
_bounds = new GeoLatLngBounds();
}
for (int i = 1; i < layerCount; i++)
{
MapFeatureLayer mapLayer = (MapFeatureLayer)_mapFeatureLayers[i];
mapLayer.Open();
GeoBounds.Union(mapLayer.Bounds, _bounds, _bounds);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Add a map layer to map's layer collection.
* @param mapLayer a layer to be added.
*/
public void AddMapFeatureLayer(MapFeatureLayer mapLayer)
{
if (_geoSet != null)
{
_geoSet.AddMapFeatureLayer(mapLayer);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Remove a map layer from map's layer collection.
* @param mapLayer map layer to be removed.
*/
public void RemoveMapFeatureLayer(MapFeatureLayer mapLayer)
{
lock (_mapFeatureLayers)
{
if (_mapFeatureLayers.Contains(mapLayer))
{
_mapFeatureLayers.Remove(mapLayer);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Inserts the specified map layer to map's layer collection at the
* specified index. Each map layer in map's layer collection with an index
* greater or equal to the specified index is shifted upward to have an
* index one greater than the value it had previously.
* @param mapLayer the map layer to insert.
* @param index where to insert the new map layer.
*/
public void InsertMapFeatureLayer(MapFeatureLayer mapLayer, int index)
{
lock (_mapFeatureLayers)
{
if (!_mapFeatureLayers.Contains(mapLayer))
{
_mapFeatureLayers.Insert(index, mapLayer);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Add a map layer to map's layer collection.
* @param mapLayer a map feature layer to be added.
*/
public void AddMapFeatureLayer(MapFeatureLayer mapLayer)
{
lock (_mapFeatureLayers)
{
if (!_mapFeatureLayers.Contains(mapLayer))
{
_mapFeatureLayers.Add(mapLayer);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* return the count of layers in the map.
* @param index the index of the map layer.
* @return the number of map layers in the map layer collection.
*/
public MapFeatureLayer GetMapFeatureLayer(int index)
{
lock (_mapFeatureLayers)
{
MapFeatureLayer mapLayer = null;
if (index >= 0 && index < _mapFeatureLayers.Count)
{
mapLayer = (MapFeatureLayer)_mapFeatureLayers[index];
}
return(mapLayer);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* get all records based on given rectangle in give map layer.
* @param index the index of given map layer.
* @param rectGeo the boundary..
* @return a hashtable of all matched record.the key is the mapInfo ID.
* @
*/
public Hashtable Search(int index, GeoLatLngBounds rectGeo)
{
lock (_mapFeatureLayers)
{
MapFeatureLayer mapLayer = GetMapFeatureLayer(index);
if (mapLayer != null)
{
return(mapLayer.Search(rectGeo));
}
return(null);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Close the map.
* @
*/
public void Close()
{
lock (_mapFeatureLayers)
{
int layerCount = _mapFeatureLayers.Count;
for (int i = 0; i < layerCount; i++)
{
MapFeatureLayer mapLayer = (MapFeatureLayer)_mapFeatureLayers[i];
mapLayer.Close();
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* get all records based on search condition in give map layer.
* @param index the index of given map layer.
* @param findConditions the search condition.
* @return a hashtable of all matched record.the key is the mapInfo ID.
* @
*/
public Hashtable Search(int index, FindConditions findConditions)
{
lock (_mapFeatureLayers)
{
MapFeatureLayer mapLayer = GetMapFeatureLayer(index);
if (mapLayer != null)
{
return(mapLayer.Search(findConditions));
}
return(null);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Get the map layer collection.
* @return the map layer collection.
*/
public MapFeatureLayer[] GetMapFeatureLayers()
{
lock (_mapFeatureLayers)
{
if (_mapFeatureLayers.Count > 0)
{
MapFeatureLayer[] copiedFeatureLayers = new MapFeatureLayer[_mapFeatureLayers.Count];
_mapFeatureLayers.CopyTo(copiedFeatureLayers);
return(copiedFeatureLayers);
}
}
return(null);
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* get all records based on given string. the seach will search based on
* map layer's key field.
* @param matchString
* @return a hashtable array Contains of all matched record.
* the key is the mapInfo ID. the value is the matched string.
* @
*/
public Hashtable[] Search(string matchString)
{
lock (_mapFeatureLayers)
{
Hashtable[] retTable = new Hashtable[_mapFeatureLayers.Count];
for (int i = 0; i < _mapFeatureLayers.Count; i++)
{
MapFeatureLayer mapLayer = (MapFeatureLayer)_mapFeatureLayers[i];
FindConditions findConditions = new FindConditions();
findConditions.AddCondition(mapLayer.DataTable.GetFieldIndex(mapLayer.KeyField.GetName()), matchString);
retTable[i] = mapLayer.Search(findConditions);
}
return(retTable);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Moves a layer in the Layer collection to change the order in which
* layers are drawn.
* @param from Index number of the layer to move. The topmost layer is 0.
* @param to New location for the layer. For example, if you want it to be
* the second layer, use 1
*/
public void MoveMapFeatureLayer(int from, int to)
{
lock (_mapFeatureLayers)
{
if (from < 0 || from >= _mapFeatureLayers.Count ||
to < 0 || to >= _mapFeatureLayers.Count)
{
return;
}
MapFeatureLayer mapLayerFrom = (MapFeatureLayer)_mapFeatureLayers[from];
MapFeatureLayer mapLayerTo = (MapFeatureLayer)_mapFeatureLayers[to];
_mapFeatureLayers[from] = mapLayerTo;
_mapFeatureLayers[to] = mapLayerFrom;
}
}
//public MapTileVectorDataSource(string url)
//{
// Uri = url;
// _geoStream = new FileStream(url, FileMode.Open);
// byte[] bufferGeo = new byte[_geoStream.Length];
// _geoStream.Read(bufferGeo, 0, bufferGeo.Length);
// _geoStream.Close();
// MemoryStream baisGeo = new MemoryStream(bufferGeo);
// _getSet = new GeoSet(new BinaryReader(baisGeo));
// string filePath = Path.GetDirectoryName(url);
// string[] layerNames = _getSet.GetLayerNames();
// _layerStreams = new FileStream[layerNames.Length];
// for (int i = 0; i < layerNames.Length; i++)
// {
// string layerName = filePath + "\\" + layerNames[i];
// _layerStreams[i] = new FileStream(layerName, FileMode.Open);
// MapFeatureLayer layer = new MapFeatureLayer(new BinaryReader(_layerStreams[i]));
// layer.FontColor = 0x000000;
// GeoSet.MapFeatureLayerInfo layerInfo = _getSet.GetMapMapFeatureLayerInfo(layerNames[i]);
// if (layerInfo != null)
// {
// layer.ZoomLevel = layerInfo.ZoomLevel;
// layer.ZoomMin = layerInfo.ZoomMin;
// layer.ZoomMax = layerInfo.ZoomMax;
// layer.Description = layerInfo.Description;
// layer.Visible = layerInfo.Visible;
// layer.LayerName = layerInfo.LayerName;
// }
// _getSet.AddMapFeatureLayer(layer);
// }
// _vectorMapRenderer = new VectorMapRenderer(_getSet);
// Font font = new Font(FontFamily.GenericSansSerif, 13, FontStyle.Regular);
// IFont newFont = MapLayer.GetAbstractGraphicsFactory().CreateFont(font);
// _vectorMapRenderer.SetFont(newFont);
// _getSet.Open();
//}
public MapTileVectorDataSource(string url)
{
Uri = url;
_geoStream = new FileStream(url, FileMode.Open);
byte[] bufferGeo = new byte[_geoStream.Length];
_geoStream.Read(bufferGeo, 0, bufferGeo.Length);
_geoStream.Close();
MemoryStream baisGeo = new MemoryStream(bufferGeo);
_getSet = new GeoSet();
string filePath = @"C:\shenjing\map";
string[] layerNames = new string[] {"3.lyr","1.lyr", "2.lyr" };
_layerStreams = new FileStream[layerNames.Length];
for (int i = 0; i < layerNames.Length; i++)
{
string layerName = filePath + "\\" + layerNames[i];
_layerStreams[i] = new FileStream(layerName, FileMode.Open);
MapFeatureLayer layer = new MapFeatureLayer(new BinaryReader(_layerStreams[i]));
layer.FontColor = 0x000000;
GeoSet.MapFeatureLayerInfo layerInfo = _getSet.GetMapMapFeatureLayerInfo(layerNames[i]);
if (layerInfo != null)
{
layer.ZoomLevel = layerInfo.ZoomLevel;
layer.ZoomMin = layerInfo.ZoomMin;
layer.ZoomMax = layerInfo.ZoomMax;
layer.Description = layerInfo.Description;
layer.Visible = layerInfo.Visible;
layer.LayerName = layerInfo.LayerName;
}
_getSet.AddMapFeatureLayer(layer);
}
_vectorMapRenderer = new VectorMapRenderer(_getSet);
Font font = new Font(FontFamily.GenericSansSerif, 13, FontStyle.Regular);
IFont newFont = MapLayer.GetAbstractGraphicsFactory().CreateFont(font);
_vectorMapRenderer.SetFont(newFont);
_getSet.Open();
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* @inheritDoc
*/
public override void GetImage(int mtype, int x, int y, int zoomLevel)
{
lock (VectorMapAbstractCanvas.GRAPHICS_MUTEX)
{
int shiftWidth = 32;
GeoPoint pt1 = new GeoPoint(x * MapLayer.MAP_TILE_WIDTH - shiftWidth,
y * MapLayer.MAP_TILE_WIDTH - shiftWidth);
GeoPoint pt2 = new GeoPoint((x + 1) * MapLayer.MAP_TILE_WIDTH + shiftWidth,
(y + 1) * MapLayer.MAP_TILE_WIDTH + shiftWidth);
GeoLatLng latLng1 = MapLayer.FromPixelToLatLng(pt1, zoomLevel);
GeoLatLng latLng2 = MapLayer.FromPixelToLatLng(pt2, zoomLevel);
double minY = Math.Min(latLng1.Lat(), latLng2.Lat());
double maxY = Math.Max(latLng1.Lat(), latLng2.Lat());
double minX = Math.Min(latLng1.Lng(), latLng2.Lng());
double maxX = Math.Max(latLng1.Lng(), latLng2.Lng());
double width = 0.00;
double height = 0.00;
//width = width < 0.06 ? 0.06 : width;
//height = height < 0.06 ? 0.06 : height;
GeoLatLngBounds geoBounds = new GeoLatLngBounds(minX - width / 2.0, minY - height / 2.0,
maxX - minX + width, maxY - minY + height);
try
{
Hashtable[] mapFeatures = _geoSet.Search(geoBounds);
int totalSize = 0;
for (int i = 0; i < mapFeatures.Length; i++)
{
Hashtable mapFeaturesInLayer = mapFeatures[i];
totalSize += mapFeaturesInLayer.Count;
}
totalSize += 1;
int mapObjectIndex = 0;
_vectorMapCanvas.ClearCanvas(0xffffff);
for (int i = 0; i < mapFeatures.Length; i++)
{
int zOrder = mapFeatures.Length - 1 - i;
Hashtable mapFeaturesInLayer = mapFeatures[zOrder];
ICollection enuKeys = mapFeaturesInLayer.Keys;
MapFeatureLayer mapLayer = _geoSet.GetMapFeatureLayer(zOrder);
foreach (var o in enuKeys)
{
int mapInfoID = (int)o;
MapFeature mapFeature = mapLayer
.GetMapFeatureByID(mapInfoID);
mapObjectIndex++;
_vectorMapCanvas.SetFont(GetFont(mapLayer.FontName));
_vectorMapCanvas.SetFontColor(mapLayer.FontColor);
_vectorMapCanvas.DrawMapObject(mapFeature.MapObject,
geoBounds, zoomLevel);
if (_readListener != null)
{
_readListener.readProgress(mapObjectIndex,
totalSize);
}
}
}
_vectorMapCanvas.DrawMapText();
ImageArray = PNGEncoder.GetPngrgb(MapLayer.MAP_TILE_WIDTH,
MapLayer.MAP_TILE_WIDTH,
_vectorMapCanvas.GetRGB());
ImageArraySize = ImageArray.Length;
IsImagevalid = true;
if (ImageArraySize == 1933)
{
ImageArray = null;
IsImagevalid = false;
ImageArraySize = 0;
}
if (_readListener != null)
{
_readListener.readProgress(totalSize, totalSize);
}
}
catch (Exception e)
{
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Get the map layer collection.
* @return the map layer collection.
*/
public MapFeatureLayer[] GetMapFeatureLayers()
{
lock (_mapFeatureLayers)
{
if (_mapFeatureLayers.Count > 0)
{
MapFeatureLayer[] copiedFeatureLayers = new MapFeatureLayer[_mapFeatureLayers.Count];
_mapFeatureLayers.CopyTo(copiedFeatureLayers);
return copiedFeatureLayers;
}
}
return null;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Add a map layer to map's layer collection.
* @param mapLayer a map feature layer to be added.
*/
public void AddMapFeatureLayer(MapFeatureLayer mapLayer)
{
lock (_mapFeatureLayers)
{
if (!_mapFeatureLayers.Contains(mapLayer))
{
_mapFeatureLayers.Add(mapLayer);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Inserts the specified map layer to map's layer collection at the
* specified index. Each map layer in map's layer collection with an index
* greater or equal to the specified index is shifted upward to have an
* index one greater than the value it had previously.
* @param mapLayer the map layer to insert.
* @param index where to insert the new map layer.
*/
public void InsertMapFeatureLayer(MapFeatureLayer mapLayer, int index)
{
lock (_mapFeatureLayers)
{
if (!_mapFeatureLayers.Contains(mapLayer))
{
_mapFeatureLayers.Insert(index, mapLayer);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Add a map layer to map's layer collection.
* @param mapLayer a layer to be added.
*/
public void AddMapFeatureLayer(MapFeatureLayer mapLayer)
{
if (_geoSet != null)
{
_geoSet.AddMapFeatureLayer(mapLayer);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Remove a map layer from map's layer collection.
* @param mapLayer map layer to be removed.
*/
public void RemoveMapFeatureLayer(MapFeatureLayer mapLayer)
{
if (_geoSet != null)
{
_geoSet.RemoveMapFeatureLayer(mapLayer);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Inserts the specified map layer to map's layer collection at the
* specified index. Each map layer in map's layer collection with an index
* greater or equal to the specified index is shifted upward to have an
* index one greater than the value it had previously.
* @param mapLayer the map layer to insert.
* @param index where to insert the new map layer.
*/
public void InsertMapFeatureLayer(MapFeatureLayer mapLayer, int index)
{
if (_geoSet != null)
{
_geoSet.InsertMapFeatureLayer(mapLayer, index);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Remove a map layer from map's layer collection.
* @param mapLayer map layer to be removed.
*/
public void RemoveMapFeatureLayer(MapFeatureLayer mapLayer)
{
lock (_mapFeatureLayers)
{
if (_mapFeatureLayers.Contains(mapLayer))
{
_mapFeatureLayers.Remove(mapLayer);
}
}
}
