api:dk11:delphi:gislayermvt.tgis_layermvt
Table of Contents
TGIS_LayerMVT class
DK11 for Delphi | GisLayerMVT.TGIS_LayerMVT | Classes | Constructors | Fields | Methods | Properties
Encapsulation of MVT layer.
Syntax
// Delphi type TGIS_LayerMVT = class( TGIS_LayerCompoundVector ) end;
// C++ Builder class PASCALIMPLEMENTATION TGIS_LayerMVT : public TGIS_LayerCompoundVector { };
Inheritance
→ TGIS_BaseObjectDisposable → TGIS_LayerAbstract → TGIS_Layer → TGIS_LayerCompoundAbstract → TGIS_LayerCompoundVector
Constructors
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Create | public | Create a layer with default parameters. (Overrides TGIS_LayerCompoundVector.Create) |
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Fields
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| FActive | protected | Is layer active? (Inherited from TGIS_Layer) |
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| FAddition | protected | Addition value. (Inherited from TGIS_Layer) |
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| FAge | protected | Age of the layer. (Inherited from TGIS_Layer) |
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| FBasemap | protected | True if the layer is interpreted as basemap. (Inherited from TGIS_Layer) |
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| FBasemapDraw | protected | If True, the layer at the moment is drawn inside a basemap thread. (Inherited from TGIS_Layer) |
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| FCachedPaint | protected | False if layer must be painted directly (bypassing cache). (Inherited from TGIS_Layer) |
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| FCaption | protected | Layer caption. (Inherited from TGIS_Layer) |
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| FCodePage | protected | Code Page in which text has been stored. (Inherited from TGIS_Layer) |
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| FCodePageForced | protected | Code Page forced by project file or property setting. (Inherited from TGIS_Layer) |
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| FCollapsed | protected | Is layer collapsed? (Inherited from TGIS_Layer) |
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| FComments | protected | Additional comments. (Inherited from TGIS_Layer) |
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| FConfigFile | protected | Configuration file handle. (Inherited from TGIS_Layer) |
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| FConfigFile2 | protected | Configuration file handle. (Inherited from TGIS_Layer) |
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| FConfigName | protected | Configuration file name. (Inherited from TGIS_Layer) |
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| FCS | protected | Projection object. (Inherited from TGIS_Layer) |
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| FCustomData | protected | List of custom data. (Inherited from TGIS_Layer) |
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| FDormantMode | protected | Dormant mode for the layer. (Inherited from TGIS_Layer) |
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| FDriver | protected | Layer driver. (Inherited from TGIS_Layer) |
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| FExtent | protected | Layer extent. (Inherited from TGIS_Layer) |
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| FExtent3D | protected | Layer extent 3D. (Inherited from TGIS_Layer) |
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| FFileCopyright | protected | Additional textual information about layer copyright. (Inherited from TGIS_Layer) |
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| FFileInfo | protected | Additional textual information about the layer such as compression, number of pixels, copyright etc. (Inherited from TGIS_Layer) |
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| FHideFromLegend | protected | True if layer should not be visible in a legend. (Inherited from TGIS_Layer) |
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| FIsLocked | protected | True if layer is in locked state Lock. (Inherited from TGIS_Layer) |
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| FIsModified | protected | True if structure (field, geometry etc) was modified. (Inherited from TGIS_Layer) |
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| FIsOpened | protected | True if layer was opened. (Inherited from TGIS_Layer) |
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| FIsPrepared | protected | True if layer was opened. (Inherited from TGIS_Layer) |
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| FIsReadOnly | protected | Read only flag. (Inherited from TGIS_Layer) |
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| FMaxTileSize | protected | Maximum allowed tile size for the layer. (Inherited from TGIS_Layer) |
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| FMultiUserMode | protected | Multiuser mode. (Inherited from TGIS_Layer) |
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| FName | protected | Layer name. (Inherited from TGIS_Layer) |
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| FOnBusy | protected | Busy event. (Inherited from TGIS_Layer) |
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| FOnPaintLayer | protected | PaintLayer event. (Inherited from TGIS_Layer) |
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| FOnPassword | protected | Will be fired upon opening layer to resolve any username/password (Inherited from TGIS_Layer) |
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| FOnRead | protected | Will be fired upon each file Read request. (Inherited from TGIS_Layer) |
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| FOnWrite | protected | Will be fired upon each file Write request. (Inherited from TGIS_Layer) |
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| forceCachedMode | protected | Set tor True to force cached (bitmap) type of drawing. (Inherited from TGIS_Layer) |
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| FParamsList | protected | List of parameters set (sections). (Inherited from TGIS_Layer) |
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| FParentLayer | protected | Parent layer. (Inherited from TGIS_Layer) |
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| FPath | protected | Layer path. (Inherited from TGIS_Layer) |
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| FProjectedExtent | protected | Precalculated projected extent. (Inherited from TGIS_Layer) |
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| FProjectedExtentBase | protected | Precalculated projected extent - Base extent (unprojected). (Inherited from TGIS_Layer) |
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| FProjectedExtentEPSG | protected | Precalculated projected extent - Layer CS Context. (Inherited from TGIS_Layer) |
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| FProjectedExtentRotationAngle | protected | Precalculated projected extent - Rotation context. (Inherited from TGIS_Layer) |
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| FProjectedExtentRotationPoint | protected | Precalculated projected extent - Rotation context. (Inherited from TGIS_Layer) |
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| FProjectedExtentViewerEPSG | protected | Precalculated projected extent - Viewer CS Context. (Inherited from TGIS_Layer) |
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| FRenderer | protected | Handle to a renderer used for drawing shapes. (Inherited from TGIS_Layer) |
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| FStatistics | protected | Statistics engine. (Inherited from TGIS_Layer) |
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| FStream | protected | Reference to a potential layer underlying stream. (Inherited from TGIS_Layer) |
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| FSubLayers | protected | Sub layers list. (Inherited from TGIS_Layer) |
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| FSubType | protected | Type of sublayer. (Inherited from TGIS_Layer) |
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| FTag | protected | Tag value. (Inherited from TGIS_Layer) |
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| FTagInternal | protected | Internal Tag value. (Inherited from TGIS_Layer) |
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| FTagPointer | protected | Pointer Tag value (Inherited from TGIS_Layer) |
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| FTransform | protected | Custom transformation. (Inherited from TGIS_Layer) |
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| FTransparency | protected | Transparency value. (Inherited from TGIS_Layer) |
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| FUnSupportedOperations | protected | Set of operations not supported by a layer. (Inherited from TGIS_Layer) |
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| FUseConfig | protected | Is config file active? (Inherited from TGIS_Layer) |
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| FUserObject | protected | User object. (Inherited from TGIS_Layer) |
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| FViewer | protected | Reference to viewer object. (Inherited from TGIS_Layer) |
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| inDraw | protected | True if layer paint procedure not yet complete. (Inherited from TGIS_Layer) |
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| paramsCache | protected | List of prepared parameters. (Inherited from TGIS_Layer) |
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| paramsCacheUpdated | protected | If True, parameters are ready to render (Inherited from TGIS_Layer) |
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| View3D | public | 3D Representation properties. (Inherited from TGIS_Layer) |
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Methods
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Add | public | Add a layer to the list. (Inherited from TGIS_LayerCompoundAbstract) |
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| Alive | public | Makes a layer non-dormant. (Inherited from TGIS_Layer) |
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| applyConfigOptions | protected | Read config option parameters. (Inherited from TGIS_Layer) |
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| applyConfigProjection | protected | Read config projection parameters. (Inherited from TGIS_Layer) |
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| ApplyCuttingPolygon | public | Sets a cutting polygon for a layer. (Inherited from TGIS_Layer) |
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| ChangeHash | public | Changes the hash for the purpose of verifying layer's modifications. (Inherited from TGIS_Layer) |
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| ClearModified | public | Sets IsModified flag to false for a layer and its sublayers. (Inherited from TGIS_Layer) |
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| Dormant | public | Makes a layer dormant. (Inherited from TGIS_Layer) |
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| DormantGain | public | Calculates the approximate gain (in Megabytes) which can be achieved by releasing memory by calling Dormant method. (Inherited from TGIS_Layer) |
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| Draw | public | Draws a layer. (Inherited from TGIS_LayerCompoundAbstract) |
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| DrawEx | public | Draws a layer within a defined extent. (Inherited from TGIS_Layer) |
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| drawExtent | protected | Calculates the drawing area /clipping area of device/. (Inherited from TGIS_Layer) |
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| drawExtentEx | protected | Calculates the drawing area /clipping area of device/. (Inherited from TGIS_Layer) |
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| DrawFlash | public | Draws a flash. (Inherited from TGIS_LayerCompoundAbstract) |
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| DrawSelected | public | Draws only the selected item(s) on layer. (Inherited from TGIS_Layer) |
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| DrawSelectedEx | public | Draws only the selected item(s) on layer that are within a defined extent. (Inherited from TGIS_LayerCompoundAbstract) |
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| ForEachSubLayer | public | Returns in callback event the layer and all sublayers belonging to it. (Inherited from TGIS_Layer) |
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| Get | public | Retrieve the layer identified by a name. (Inherited from TGIS_LayerCompoundAbstract) |
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| GetAvailableLayers | public | Gets a list of layers available in storage. (Inherited from TGIS_Layer) |
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| HourglassShake | public | Notifies of busy state using an hourglass. (Inherited from TGIS_Layer) |
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| IsGrid | public | Checks if the layer type is grid. (Inherited from TGIS_Layer) |
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| IsPixel | public | Checks if the layer type is pixel. (Inherited from TGIS_Layer) |
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| isSectionInVisibilityRange | protected | Checks whether the section is visible by testing layer properties: Level with MinLevel/MaxLevel, ScaleAsFloat with MinScale/MaxScale, and Zoom with MinZoom/MaxZoom. (Inherited from TGIS_Layer) |
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| isSublayer | protected | Checks if the layer is a sublayer. (Inherited from TGIS_Layer) |
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| IsSupported | public | Checks if the operation is supported by the layer. (Inherited from TGIS_Layer) |
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| IsVector | public | Checks if the layer type is vector. (Inherited from TGIS_Layer) |
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| IsVector3D | public | Checks if the layer type is vector 3D. (Inherited from TGIS_Layer) |
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| IsVisible | public | Checks if the layer is visible in a defined extent and current params. (Inherited from TGIS_Layer) |
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| LocateEx(TGIS_Point; Double; Integer; Double; Integer; TGIS_Point; Boolean) | public | Locate a shape (more precise). (Inherited from TGIS_LayerCompoundVector) |
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| LocateEx(TGIS_Point; Double; Integer; Double; Integer; TGIS_Point; Double; Boolean) | public | Locate a shape (more precise). (Inherited from TGIS_LayerCompoundVector) |
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| Lock | public | Locks layer in burst-mode operation. (Inherited from TGIS_Layer) |
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| lockThread | protected | Locks thread. (Inherited from TGIS_Layer) |
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| Move | public | Moves a layer up or down in the viewer zorder list. (Inherited from TGIS_Layer) |
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| MoveEx | public | Moves a layer up or down in the viewer zorder list (only visible layers). (Inherited from TGIS_Layer) |
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| MustCalculateStatistics | public | Verifies if all statistics required to properly render the layer are available. (Inherited from TGIS_Layer) |
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| MustReproject | public | Checks if the layer must be reprojected. (Inherited from TGIS_Layer) |
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| MustSave | public | Checks if the layer was modified by editing. (Inherited from TGIS_Layer) |
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| Open | public | Opens the layer. (Inherited from TGIS_Layer) |
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| optimizeParamsCache(Integer) | protected | Move section specified by _idx to the top of the cached list. (Inherited from TGIS_Layer) |
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| optimizeParamsCache(Integer; Boolean) | protected | Move section specified by _idx to the top of the cached list. (Inherited from TGIS_Layer) |
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| Paint | public | Draws the layer or fires PaintLayer event (if defined). (Inherited from TGIS_Layer) |
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| Prepare | public | Opens the layer. (Inherited from TGIS_Layer) |
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| prepareParamsCache | protected | Prepare cached section list meeting the _style name. (Inherited from TGIS_Layer) |
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| prepareParamsCache(String) | protected | Prepare cached section list meeting the _style name. (Inherited from TGIS_Layer) |
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| PreRecognize | public | Checks if the layer can read the file. (Overrides TGIS_Layer.PreRecognize) |
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| Project | public | Applies a projection on the single point. (Inherited from TGIS_Layer) |
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| Project3D | public | Applies a projection on the single point in 3D. (Inherited from TGIS_Layer) |
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| Project3D_Ref | public | Applies a projection on the single point in 3D. (Inherited from TGIS_Layer) |
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| ProjectExtent | public | Applies a projection on the extent. (Inherited from TGIS_Layer) |
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| Project_Ref | public | Applies a projection on the single point. (Inherited from TGIS_Layer) |
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| RaiseBusyEvent | public | Fires Busy event of the layer. (Inherited from TGIS_Layer) |
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| RaiseBusyPrepare | public | Fires BusyPrepare method of the assigned viewer. (Inherited from TGIS_Layer) |
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| RaiseBusyRelease | public | Fires BusyRelease method of the assigned viewer. (Inherited from TGIS_Layer) |
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| RaiseBusyShake | public | Fires BusyShake method of the assigned viewer. (Inherited from TGIS_Layer) |
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| ReadConfig | public | Reads the layer configuration files. (Inherited from TGIS_Layer) |
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| ReadConfigParam | public | Reads the layer configuration parameters. (Inherited from TGIS_Layer) |
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| RecalcExtent | public | Recalculates extent based on real shapes. (Inherited from TGIS_LayerCompoundAbstract) |
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| RecalcProjectedExtent | public | Recalculates a projected extent. (Inherited from TGIS_LayerCompoundAbstract) |
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| ReOpen | public | Reopens the layer. (Inherited from TGIS_Layer) |
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| RereadConfig | public | Rereads the layer configuration files. (Inherited from TGIS_Layer) |
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| resetMustReproject | protected | Reset MustReporoject state. (Inherited from TGIS_Layer) |
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| RevertAll | public | Reverts layer to its original content. (Inherited from TGIS_Layer) |
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| RootLayer | public | Returns the absolute parent layer. (Inherited from TGIS_Layer) |
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| SaveAll | public | Saves layer and destroys mirrored items. (Inherited from TGIS_Layer) |
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| SaveData | public | Saves layer and destroys mirrored items. (Inherited from TGIS_Layer) |
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| SetCSByEPSG | public | Sets up Coordinate System to a coordinate system provided by a EPSG code. (Inherited from TGIS_Layer) |
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| SetCSByWKT | public | Sets up Coordinate System to a coordinate system provided by a WKT string (GEOGCS or PROJCS). (Inherited from TGIS_Layer) |
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| SetCSByWKTFile | public | Sets up Coordinate System to a coordinate system provided by a file which contains a WKT string (GEOGCS or PROJCS). (Inherited from TGIS_Layer) |
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| setUp | protected | Makes a general layer setup first step. (Overrides TGIS_LayerCompoundAbstract.setUp) |
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| setUp2 | protected | Makes a general layer setup second step. (Inherited from TGIS_Layer) |
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| setUp3 | protected | Makes a general layer setup third step. (Inherited from TGIS_LayerCompoundAbstract) |
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| storeConfigOptions | protected | Store layer options in a configuration file. (Inherited from TGIS_Layer) |
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| transformExtent | protected | Custom transformation of the extent. (Inherited from TGIS_Layer) |
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| Unlock | public | Unlocks layer from burst-mode operation. (Inherited from TGIS_Layer) |
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| unlockThread | protected | Unlocks thread. (Inherited from TGIS_Layer) |
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| Unproject | public | Applies reverse projection (recovers from the projection) on the single point. (Inherited from TGIS_Layer) |
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| Unproject3D | public | Applies reverse projection (recovers from the projection) on the singlepoint in 3D. (Inherited from TGIS_Layer) |
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| Unproject3D_Ref | public | Applies reverse projection (recovers from the projection) on the single point in 3D. (Inherited from TGIS_Layer) |
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| UnprojectExtent | public | Applies reverse projection (recovers from the projection) on the extent. (Inherited from TGIS_Layer) |
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| Unproject_Ref | public | Applies reverse projection (recover from projection) on the single point. (Inherited from TGIS_Layer) |
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| ViewerReParent | public | Sets viewer for the layer and its sublayers. (Inherited from TGIS_Layer) |
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| WriteConfig | public | Writes layer configuration files. (Inherited from TGIS_Layer) |
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Properties
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| Active | public | Checks if the layer is active? Active means layer is visible and an object can be localized on the layer. (Inherited from TGIS_Layer) |
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| Addition | public | Additional value. (Inherited from TGIS_Layer) |
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| Age | public | Age of the layer (since its creation). (Inherited from TGIS_Layer) |
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| Basemap | public | True if the layer must be interpreted as basemap (for background painting). (Inherited from TGIS_Layer) |
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| BasemapDraw | public | If True, the layer at the moment is drawn inside a basemap thread. (Inherited from TGIS_Layer) |
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| CachedPaint | public | False if layer must be painted directly (bypassing cache). (Inherited from TGIS_Layer) |
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| Caption | public | Caption of layer; if not filed directly then will be filed with Name when adding to the Viewer. (Inherited from TGIS_Layer) |
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| CodePage | public | Code Page in which text has been stored. (Inherited from TGIS_Layer) |
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| Collapsed | public | Checks if the layer is collapsed? Collapsed means only the layer's title will be visible inside the legend. (Inherited from TGIS_Layer) |
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| Comments | public | Additional user comments. (Inherited from TGIS_Layer) |
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| ConfigFile | public | Configuration file handle. (Inherited from TGIS_Layer) |
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| ConfigName | public | Configuration file name. (Inherited from TGIS_Layer) |
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| CS | public | Coordinate System that is assigned to the layer. (Inherited from TGIS_Layer) |
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| CustomData | public | List of custom, user-defined data. (Inherited from TGIS_Layer) |
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| DirectMode | public | True if the layer is direct-mode (bypassing cache). (Inherited from TGIS_Layer) |
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| DormantMode | public | Dormant mode for the layer. (Inherited from TGIS_Layer) |
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| Driver | public | The layer's driver name. (Inherited from TGIS_Layer) |
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| Extent | public | Extent of the layer. (Inherited from TGIS_Layer) |
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| Extent3D | public | Three-dimensional extent of the layer. (Inherited from TGIS_Layer) |
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| FileCopyrights | public | Copyright information about the layer. (Inherited from TGIS_Layer) |
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| FileInfo | public | Additional textual information about the layer such as compression, number of pixels, copyright, etc. (Inherited from TGIS_Layer) |
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| Georeferenced | public | If True, geometry coordinates will be based on WebMercator (EPSG:3857). | |
| HideFromLegend | public | False if the layer should not be visible in legend. (Inherited from TGIS_Layer) |
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| IsExportable | public | True if the layer is exportable. (Inherited from TGIS_Layer) |
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| IsLocked | public | True if the layer is in locked state. (Inherited from TGIS_Layer) |
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| IsOpened | public | True if the layer is opened and is ready for operations. (Inherited from TGIS_Layer) |
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| IsPersistent | public | True if the layer is persistent. (Inherited from TGIS_Layer) |
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| IsReadOnly | public | True if the layer is read-only. (Inherited from TGIS_Layer) |
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| IsTopmost | public | True if the layer can be interpreted as the topmost (trackable) layer. (Inherited from TGIS_Layer) |
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| Layer | public | All sub layers. (Inherited from TGIS_LayerCompoundAbstract) |
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| Layer3D | public | Mode of 3D operations (Inherited from TGIS_Layer) |
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| LayerFilter | public | Filter a dataset by layer name. | |
| LayersCount | public | Sub layers count. (Inherited from TGIS_LayerCompoundAbstract) |
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| MaxTileSize | public | Maximum allowed tile size for the layer. (Inherited from TGIS_Layer) |
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| MultiUserMode | public | Type of multiuser mode. (Inherited from TGIS_Layer) |
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| Name | public | Name of layer; if not filled directly, then will be filled with Path when added to the viewer. (Inherited from TGIS_Layer) |
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| Params | public | Parameters (colors, fills, etc.) object. (Inherited from TGIS_Layer) |
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| ParamsList | public | List of all parameter sections attached to the current layer. (Inherited from TGIS_Layer) |
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| ParentLayer | public | Parent layer of a sub layer. (Inherited from TGIS_Layer) |
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| Path | public | Path to file holding the layer's data. (Inherited from TGIS_Layer) |
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| PathWithDriver | public | Path to file with the layer's data extended with driver name. (Inherited from TGIS_Layer) |
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| ProjectedExtent | public | Extent of the layer in projected units. (Inherited from TGIS_Layer) |
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| Renderer | public | Handle to a renderer used for drawing shapes. (Inherited from TGIS_Layer) |
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| Statistics | public | Layer statistics engine (Inherited from TGIS_Layer) |
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| Stream | public | Reference to a potential layer underlying the stream. (Inherited from TGIS_Layer) |
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| SubLayers | public | List of sublayers belonging to the layer. (Inherited from TGIS_Layer) |
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| SubType | public | Type of sublayer. (Inherited from TGIS_Layer) |
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| Tag | public | Tag has no predefined meaning. (Inherited from TGIS_Layer) |
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| TagInternal | public | TagInternal has no predefined meaning. (Inherited from TGIS_Layer) |
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| TagPointer | public | TagPointer has no predefined meaning. (Inherited from TGIS_Layer) |
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| Transform | public | Custom transformation. (Inherited from TGIS_Layer) |
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| Transparency | public | Transparency value for the layer (0..100). (Inherited from TGIS_Layer) |
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| UnSupportedOperations | public | Set of operations not supported by the layer. (Inherited from TGIS_Layer) |
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| UseConfig | public | True if config file is active. (Inherited from TGIS_Layer) |
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| UserObject | public | UserObject can be used to associate with the layer a user-defined object. (Inherited from TGIS_Layer) |
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| Viewer | public | Reference to a viewer object. (Inherited from TGIS_Layer) |
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| ZOrder | public | Layer's position relative to other layers. (Inherited from TGIS_Layer) |
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| ZOrderEx | public | Layer position relative to other visible layers. (Inherited from TGIS_Layer) |
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Remarks
Connecting to the MVT layer can be done using familiar Web Tiles .ttkwp connector files. See [[api:dk11:delphi:gislayerwebtiles.tgis_layerwebtiles|TGIS_LayerWebTiles remarks]]
2023/04/22 08:10