TGIS_Layer class

DK11 for ActiveX | TatukGIS_XDK11.TGIS_Layer | Classes | Methods | Properties

General layer class. Must be derived to provide file access.

Available also on: Delphi | .NET | Java | Python.

Syntax

// C#
public class TGIS_Layer : ITGIS_Layer, IConnectionPointContainer, ITGIS_LayerEvents 
{
}

' VisualBasic
Public Class TGIS_Layer
  Implements ITGIS_Layer
  Implements IConnectionPointContainer
  Implements ITGIS_LayerEvents
End Class

// Oxygene
type
  TGIS_Layer = public class
  end;

Implements

ITGIS_Layer IConnectionPointContainer ITGIS_LayerEvents

Methods

Inherited Overrides Protected

Name	Visibility	Description
Alive	public	Makes a layer non-dormant.
ApplyAutoStyle	public	Applies auto-styling to the layer.
ApplyCuttingPolygon	public	Sets a cutting polygon for a layer.
AttachDelphiObj	public	Only for internal use of TatukGIS. _{(Inherited from ITBaseObject)}
BusyEvent	public	_{(Inherited from ITGIS_LayerEvents)}
ChangeHash	public	Changes the hash for the purpose of verifying layer's modifications.
ClearModified	public	Sets IsModified flag to false for a layer and its sublayers.
DelphiObj	public	Only for internal use of TatukGIS. _{(Inherited from ITBaseObject)}
Dormant	public	Makes a layer dormant.
DormantGain	public	Calculates the approximate gain (in Megabytes) which can be achieved by releasing memory by calling Dormant method.
Draw	public	Draws a layer.
DrawEx	public	Draws a layer within a defined extent.
DrawFlash	public	Draws a flash.
DrawSelected	public	Draws only the selected item(s) on layer.
DrawSelectedEx	public	Draws only the selected item(s) on layer that are within a defined extent.
ForEachSubLayer	public	Returns in callback event the layer and all sublayers belonging to it.
GetAvailableLayers	public	Gets a list of layers available in storage.
GetSubLayer	public	Retrieve the layer identified by a name.
HourglassShake	public	Notifies of busy state using an hourglass.
IsGrid	public	Checks if the layer type is grid.
IsPixel	public	Checks if the layer type is pixel.
IsSupported	public	Checks if the operation is supported by the layer.
IsVector	public	Checks if the layer type is vector.
IsVector3D	public	Checks if the layer type is vector 3D.
IsVisible	public	Checks if the layer is visible in a defined extent and current params.
Lock	public	Locks layer in burst-mode operation.
Move	public	Moves a layer up or down in the viewer zorder list.
MoveEx	public	Moves a layer up or down in the viewer zorder list (only visible layers).
MustCalculateStatistics	public	Verifies if all statistics required to properly render the layer are available.
MustReproject	public	Checks if the layer must be reprojected.
MustSave	public	Checks if the layer was modified by editing.
Open	public	Opens the layer.
Paint	public	Draws the layer or fires PaintLayer event (if defined).
PaintLayerEvent	public	_{(Inherited from ITGIS_LayerEvents)}
PasswordEvent	public	_{(Inherited from ITGIS_LayerEvents)}
Prepare	public	Opens the layer.
PreRecognize	public	Checks if the layer can read the file.
Project	public	Applies a projection on the single point.
Project3D	public	Applies a projection on the single point in 3D.
Project3D_Ref	public	Applies a projection on the single point in 3D.
ProjectExtent	public	Applies a projection on the extent.
Project_Ref	public	Applies a projection on the single point.
RaiseBusyEvent	public	Fires Busy event of the layer.
RaiseBusyPrepare	public	Fires BusyPrepare method of the assigned viewer.
RaiseBusyRelease	public	Fires BusyRelease method of the assigned viewer.
RaiseBusyShake	public	Fires BusyShake method of the assigned viewer.
ReadConfig	public	Reads the layer configuration files.
ReadConfigParam	public	Reads the layer configuration parameters.
ReadEvent	public	_{(Inherited from ITGIS_LayerEvents)}
RecalcExtent	public	Recalculates extent based on real shapes.
RecalcProjectedExtent	public	Recalculates a projected extent.
ReOpen	public	Reopens the layer.
RereadConfig	public	Rereads the layer configuration files.
RevertAll	public	Reverts layer to its original content.
RootLayer	public	Returns the absolute parent layer.
SaveAll	public	Saves layer and destroys mirrored items.
SaveData	public	Saves layer and destroys mirrored items.
SetCSByEPSG	public	Sets up Coordinate System to a coordinate system provided by a EPSG code.
SetCSByWKT	public	Sets up Coordinate System to a coordinate system provided by a WKT string (GEOGCS or PROJCS).
SetCSByWKTFile	public	Sets up Coordinate System to a coordinate system provided by a file which contains a WKT string (GEOGCS or PROJCS).
Unlock	public	Unlocks layer from burst-mode operation.
Unproject	public	Applies reverse projection (recovers from the projection) on the single point.
Unproject3D	public	Applies reverse projection (recovers from the projection) on the singlepoint in 3D.
Unproject3D_Ref	public	Applies reverse projection (recovers from the projection) on the single point in 3D.
UnprojectExtent	public	Applies reverse projection (recovers from the projection) on the extent.
Unproject_Ref	public	Applies reverse projection (recover from projection) on the single point.
ViewerReParent	public	Sets viewer for the layer and its sublayers.
WriteConfig	public	Writes layer configuration files.
WriteEvent	public	_{(Inherited from ITGIS_LayerEvents)}

Properties

Inherited Protected

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.
Addition	public	Additional value.
Age	public	Age of the layer (since its creation).
Basemap	public	True if the layer must be interpreted as basemap (for background painting).
BasemapDraw	public	If True, the layer at the moment is drawn inside a basemap thread.
CachedPaint	public	False if layer must be painted directly (bypassing cache).
Caption	public	Caption of layer; if not filed directly then will be filed with Name when adding to the Viewer.
CodePage	public	Code Page in which text has been stored.
Collapsed	public	Checks if the layer is collapsed? Collapsed means only the layer's title will be visible inside the legend.
Comments	public	Additional user comments.
ConfigFile	public	Configuration file handle.
ConfigName	public	Configuration file name.
CS	public	Coordinate System that is assigned to the layer.
CustomData	public	List of custom, user-defined data.
DirectMode	public	True if the layer is direct-mode (bypassing cache).
DormantMode	public	Dormant mode for the layer.
Driver	public	The layer's driver name.
Extent	public	Extent of the layer.
Extent3D	public	Three-dimensional extent of the layer.
FileCopyrights	public	Copyright information about the layer.
FileInfo	public	Additional textual information about the layer such as compression, number of pixels, copyright, etc.
HideFromLegend	public	False if the layer should not be visible in legend.
InPaint	public	True if the layer upon paint process.
IsExportable	public	True if the layer is exportable.
IsLocked	public	True if the layer is in locked state.
IsOpened	public	True if the layer is opened and is ready for operations.
IsPersistent	public	True if the layer is persistent.
IsReadOnly	public	True if the layer is read-only.
IsTopmost	public	True if the layer can be interpreted as the topmost (trackable) layer.
Layer3D	public	Mode of 3D operations
MaxTileSize	public	Maximum allowed tile size for the layer.
MultiUserMode	public	Type of multiuser mode.
Name	public	Name of layer; if not filled directly, then will be filled with Path when added to the viewer.
ParamsList	public	List of all parameter sections attached to the current layer.
Params_	public	Parameters (colors, fills, etc.) object.
ParentLayer	public	Parent layer of a sub layer.
Path	public	Path to file holding the layer's data.
PathWithDriver	public	Path to file with the layer's data extended with driver name.
ProjectedExtent	public	Extent of the layer in projected units.
Renderer	public	Handle to a renderer used for drawing shapes.
Statistics	public	Layer statistics engine
Stream	public	Reference to a potential layer underlying the stream.
SubLayers	public	List of sublayers belonging to the layer.
SubType	public	Type of sublayer.
SupportsAutoStyle	public	Indicates whether the layer supports auto styling.
SupportsTiledPaint	public	Indicates whether the layer supports tiled paint.
Tag	public	Tag has no predefined meaning.
TagInternal	public	TagInternal has no predefined meaning.
TagPointer	public	TagPointer has no predefined meaning.
TiledDrawMode	public	If True, the layer at the moment is drawn by tiler.
Transform	public	Custom transformation.
Transparency	public	Transparency value for the layer (0..100).
UnSupportedOperations	public	Set of operations not supported by the layer.
UseConfig	public	True if config file is active.
UserObject	public	UserObject can be used to associate with the layer a user-defined object.
Viewer	public	Reference to a viewer object.
ZOrder	public	Layer's position relative to other layers.
ZOrderEx	public	Layer position relative to other visible layers.

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TGIS_Layer class

Syntax

Implements

Methods

Properties

References

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Table of Contents

TGIS_Layer class

Syntax

Implements

Methods

Properties

References

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