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Views Maps Package API Reference Guide |
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This class implements a CADRG layer that displays a CADRG coverage using the load-on-demand process. More...
#include <ilviews/maps/format/cadrg/cadrglayer.h>
Public Member Functions | |
| IlvCADRGLayer (const IlvCADRGCoverage &coverage, const IlvMapAdapter *adapter=0, IlvTileCache *cache=0) | |
Initializes a new instance of a IlvCADRGLayer. More... | |
| void | fitToPreferredZoomFactor (IlvView *view, IlBoolean redraw=IlTrue) const |
| Sets the zoom factor of the view to the preferred zoom factor of the layer. More... | |
| IlvFeatureRenderer * | getImageRenderer () const |
| Returns the feature renderer used for creating graphic objects representing the CADRG subframes. More... | |
| IlDouble | getPreferredScale () |
| Returns the scale at which a pixel on the screen corresponds to a pixel on a CADRG image. More... | |
| IlFloat | getPreferredZoomFactor () const |
| Returns the preferred zoom factor to display the layer. More... | |
| void | setImageRenderer (const IlvFeatureRenderer &renderer) |
| Specifies a feature renderer used for creating graphic objects representing the CADRG subframes. More... | |
 Public Member Functions inherited from IlvTiledLayer | |
| IlvTiledLayer (const IlvRect &tileOrigin, IlvTileCache *cache=0, IlBoolean startEnabled=IlTrue, IlUShort maxInList=IlvMaxObjectsInList, IlUShort maxInNode=IlvMaxObjectsInList) | |
| Initializes a new tiled layer instance. More... | |
| virtual void | draw (IlvPort *port, const IlvTransformer *t=0, const IlvRegion *region=0, const IlvRegion *clip=0) const |
| Draws the content of the layer. More... | |
| void | fitTransformerToTile (IlvView *view, IlInt row, IlInt column) const |
| Sets the transformer of a view so that the specified tile is fully visible. More... | |
| IlvView * | getDebugView () const |
| Returns the debug view of the layer if it has been specified. More... | |
| virtual IlvMapsError | getInitStatus () const |
| Returns the initialization status of this tiled layer. More... | |
| const IlvRect & | getSize () const |
| Returns the size of the layer if it has been specified. More... | |
| IlvTileController * | getTileController () const |
| Returns the tile controller of the layer. More... | |
| IlvTileLoader * | getTileLoader () const |
| Returns the tile loader of the layer. More... | |
| IlBoolean | isDebugDrawingOnTop () const |
| Specifies whether the debug graphics are to be drawn above or under the graphics. More... | |
| void | setDebugDrawingOnTop (IlBoolean set) |
| Tells the debug view if it should draw the drawing on the top. More... | |
| void | setDebugView (IlvView *view, IlvColor *borderColor=0, IlvColor *lockedTilesColor=0, IlvColor *cachedTilesColor=0) |
| Sets a debug view in which the layer will draw its tiles. More... | |
| void | setSize (const IlvRect &rect) |
| Specifies the area in which the tiles are contained. More... | |
| void | setTileLoader (IlvTileLoader *tileLoader) |
| Sets the tile loader of the layer. More... | |
| void | start () |
| Starts the load-on-demand process. | |
Additional Inherited Members | |
| Static Public Member Functions inherited from IlvTiledLayer | |
| static IlvTiledLayer * | GetFirstTiledLayer (IlvManager *manager) |
Returns the first IlvTiledLayer of the manager. More... | |
| static void | StartAll (IlvManager *manager) |
| Starts all the tiled layers of the specified manager. More... | |
| Protected Member Functions inherited from IlvTiledLayer | |
| virtual void | setInitStatus (IlvMapsError status) |
| Sets the initialization status of this layer. More... | |
This class implements a CADRG layer that displays a CADRG coverage using the load-on-demand process.
Library: ilvmaps
This layer reads a CADRG coverage and loads automatically the frames that are visible in the views associated with its manager. It unloads the frames that are not visible.
IlvCADRGLayer works only with the geographic projection.
IlvCADRGTocReader. | IlvCADRGLayer::IlvCADRGLayer | ( | const IlvCADRGCoverage & | coverage, |
| const IlvMapAdapter * | adapter = 0, |
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| IlvTileCache * | cache = 0 |
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| ) |
Initializes a new instance of a IlvCADRGLayer.
| coverage | The coverage of the layer. |
| adapter | The adapter used to translate geographic coordinates into manager coordinates. If this optional argument is not passed, the layer uses an IlvMapAdapter initialized by IlvMapAdapter(new IlvGeographicProjection, 1). |
| cache | This optional argument specifies the cache of the layer. If this argument is not passed, the singleton cache returned by IlvDefaultTileCache::GetDefaultCache() is used. |
Sets the zoom factor of the view to the preferred zoom factor of the layer.
This function can only be used if the layer is added to a manager.
| view | The view that will be affected by the operation. This view must be owned by the manager of the layer. |
| redraw | Specifies if the view must be refreshed after the operation. |
getPreferredZoomFactor(). | IlvFeatureRenderer* IlvCADRGLayer::getImageRenderer | ( | ) | const |
Returns the feature renderer used for creating graphic objects representing the CADRG subframes.
By default, it is a IlvDefaultImageRenderer. This function can return 0 if the layer has not been added to an IlvManager.
0 if the layer has not been added to an IlvManager, or an IlvFeatureRenderer that must not be deleted. However, the returned renderer can be modified to change its parameters. | IlDouble IlvCADRGLayer::getPreferredScale | ( | ) |
Returns the scale at which a pixel on the screen corresponds to a pixel on a CADRG image.
| IlFloat IlvCADRGLayer::getPreferredZoomFactor | ( | ) | const |
Returns the preferred zoom factor to display the layer.
The function returns 1 if the layer has not been initialized correctly or if it is not added to an IlvManager.
| void IlvCADRGLayer::setImageRenderer | ( | const IlvFeatureRenderer & | renderer | ) |
Specifies a feature renderer used for creating graphic objects representing the CADRG subframes.
The image renderer must support the IlvMapImage geometry. If this function is not called, the layer will use an instance of IlvDefaultImageRenderer. The layer stores a copy of the renderer.
| renderer | The feature renderer to be used. |
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