api:dk11:java:tatukgis.jdk.tgis_layervector
Table of Contents
TGIS_LayerVector class
DK11 for Java | tatukgis.jdk.TGIS_LayerVector | Classes | Constructors | Fields | Methods | Properties | Events
General layer class for vector layers. Must be derived to provide file access.
Syntax
// Java public class TGIS_LayerVector extends TGIS_Layer { };
// Oxygene type TGIS_LayerVector = public class( TGIS_Layer ) end;
Inheritance
→ TGIS_BaseObjectDisposable → TGIS_LayerAbstract → TGIS_Layer
Constructors
Inherited
Overrides
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| TGIS_LayerVector() | public | Create layer. (Overrides TGIS_Layer.TGIS_Layer()) |
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Fields
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| bIgnoreShapeParams | protected | Internal status of IgnoreShapeParams property. | |
| cursorState | protected | Whole cursor status. | |
| cursorStateStore | protected | Whole cursor status. | |
| 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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| FBlockRTree | protected | True if rtree can not be enabled. | |
| 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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| findSmartSizeFactor | protected | SmartSize scaling factor (to scale between projected/unprojected size. | |
| FInMemoryRTree | protected | True if rtree file will be created in-memory. | |
| FInPaint | protected | True if the layer upon paint process. (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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| FOnCursorAfterFetch | protected | OnCursorAfterFetch event. | |
| FOnCursorBeforeFetch | protected | OnCursorBeforeFetch event. | |
| FOnCursorClose | protected | OnCursorClose event. | |
| FOnCursorInterrupt | protected | OnCursorInterrupt event. | |
| FOnCursorOpen | protected | CursorOpen event. | |
| FOnCursorShapeFetch | protected | OnCursorShapeFetch event. | |
| FOnLabelPos | protected | ShapeLabelPos events. | |
| FOnPaintLayer | protected | PaintLayer event. (Inherited from TGIS_Layer) |
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| FOnPaintShape | protected | PaintShape event. | |
| FOnPaintShapeChart | protected | PaintShapeChart event. | |
| FOnPaintShapeLabel | protected | PaintShapeLabel event. | |
| 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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| FOnShapeFieldChange | protected | OnShapeFieldChange event. | |
| FOnShapeGeometryChange | protected | OnShapeGeometryChange event. | |
| 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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| FPixelsPerInch | protected | Pixel density. | |
| 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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| FRTreeFile | protected | Rtree based index. | |
| FSelectedList | protected | List of uids of selected shapes. | |
| 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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| FSupportedDimensions | protected | Set of dimensions supported by a layer. | |
| FSupportedShapes | protected | Set of shapes supported by a layer. | |
| FSupportsAutoStyle | protected | Indicates whether the layer supports auto styling. (Inherited from TGIS_Layer) |
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| FSupportsTiledPaint | protected | Indicates whether the layer supports tiled paint. (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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| FTiledDrawMode | protected | If not None then the layer at the moment is drawn inside a basemap thread. (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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| FUseRTree | protected | True if rtree is in use. | |
| 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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| oldMarkerPoint | protected | Old marker point screen coordinates (to filter drawing points). | |
| 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 | |
|---|---|---|---|
| AddField | public | Adds a new field. | |
| AddFieldInternal(java.lang.String, TGIS_FieldType, int, int) | public | Adds new field; for internal use. | |
| AddFieldInternal(java.lang.String, TGIS_FieldType, int, int, bool, int) | public | Adds new field; for internal use. | |
| AddShape(TGIS_Shape) | public | Adds a copy of shape and makes it editable. | |
| AddShape(TGIS_Shape, bool) | public | Adds a copy of shape and makes it editable. | |
| Alive | public | Makes a layer non-dormant. (Inherited from TGIS_Layer) |
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| ApplyAutoStyle | public | Applies auto-styling to the layer. (Overrides TGIS_Layer.ApplyAutoStyle) |
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| applyConfigOptions | protected | Read config option parameters. (Overrides TGIS_Layer.applyConfigOptions) |
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| applyConfigProjection(TGIS_ConfigAbstract) | protected | Read config projection parameters. (Inherited from TGIS_Layer) |
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| applyConfigProjection(TGIS_ConfigAbstract, TGIS_Layer) | 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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| bindField | protected | Obtain a bind number for a given field name. | |
| bindFieldInternal | protected | Obtain a bind number for a given field name. | |
| BindSqlQueryInternal | public | Binds layer to SQL query object to provided field access methods. | |
| Build(java.lang.String, TGIS_Extent, TGIS_ShapeType) | public | Builds a new layer - prepares storage. | |
| Build(java.lang.String, TGIS_Extent, TGIS_ShapeType, TGIS_DimensionType) | public | Builds s new layer - prepare storage. | |
| CentroidScope | public | Calculates a centroid for a scope. | |
| ChangeHash | public | Changes the hash for the purpose of verifying layer's modifications. (Inherited from TGIS_Layer) |
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| checkParamsCache | protected | Check if shape is visible based on current paramsCache setup. | |
| ClearModified | public | Sets IsModified flag to false for a layer and its sublayers. (Inherited from TGIS_Layer) |
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| CreateShape(TGIS_ShapeClass) | public | Creates a new shape and makes it editable. | |
| CreateShape(TGIS_ShapeType) | public | Creates a new shape and makes it editable. | |
| CreateShape(TGIS_ShapeType, TGIS_DimensionType) | public | Creates a new shape and makes it editable | |
| cursorClose | protected | Free cursor allocated by cursorOpen(). | |
| cursorEof | protected | Is it the end of the shapes? | |
| cursorEofInternal | protected | Has the end of shapes been reached? | |
| cursorFindFirst | protected | Find first occurrence of an item which meets extent and query. | |
| cursorFindNext | protected | Find next occurrence of item defined in cursorFindFirst. | |
| cursorFinish | protected | Notify about finishing reading inside a cursor. | |
| cursorFirst | protected | Move to the first shape in the cursor. | |
| cursorFirstInternal | protected | Move to the first shape in the Layer. | |
| cursorInterrupt | protected | Notify about interrupting reading inside a cursor. | |
| cursorNext | protected | Move to the next shape in the cursor. | |
| cursorNextInternal | protected | Move to next shape in Layer. | |
| cursorOpen | protected | Allocate new cursor. | |
| cursorShape | protected | Get current shape. | |
| cursorShapeEx | protected | Get current shape. | |
| cursorShapeInternal | protected | Get current shape. | |
| cursorStateRestore | protected | Restore cursor state to previously stored value. | |
| cursorStateSave | protected | Store cursor state. | |
| Delete | public | Deletes a shape. | |
| DeleteField | public | Deletes a field. | |
| Deselect | public | Clears selection of shape. | |
| DeselectAll | public | Clears selection of all shapes. | |
| 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_Layer) |
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| DrawChart | public | Draws layer charts. | |
| DrawEx | public | Draws a layer within a defined extent. (Overrides TGIS_Layer.DrawEx) |
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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 | Flashes queued shapes. (Overrides TGIS_Layer.DrawFlash) |
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| DrawLabel | public | Draws layer labels. | |
| DrawScope | public | Draws only shapes that meet a scope criterion. | |
| 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. (Overrides TGIS_Layer.DrawSelectedEx) |
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| ExportLayer(TGIS_LayerVector, TGIS_Extent, TGIS_ShapeType, java.lang.String, bool) | public | Exports the layer. | |
| ExportLayer(TGIS_LayerVector, TGIS_Extent, TGIS_ShapeType, java.lang.String, TGIS_Shape, java.lang.String, bool) | public | Exports layer. | |
| ExportLayerEx | public | Exports layer. | |
| ExportStructureToFLD | public | Exports fields structure to a fld file. | |
| FieldInfo | public | Returns pointer to GIS_FieldInfo structure. | |
| FinalizeDirectWrite | public | Finalizes direct writing into layer storage. | |
| FinalizeRead | public | Finalizes reading trying to close active queries. | |
| FindField | public | Finds a field in the fields list. | |
| FindFieldInternal | public | Finds a field in the fields list (for internal use). | |
| FindFirst | public | Finds the first shape in layer. | |
| FindFirst(TGIS_Extent) | public | Finds the first occurrence of an item which meets an extent. | |
| FindFirst(TGIS_Extent, java.lang.String) | public | Finds the first occurrence of an item which meets an extent and query. | |
| FindFirst(TGIS_Extent, java.lang.String, TGIS_Shape, java.lang.String) | public | Finds the first occurrence of an item which meets an extent, query, and additional parameters. | |
| FindFirst(TGIS_Extent, java.lang.String, TGIS_Shape, java.lang.String, bool) | public | Finds the first occurrence of an item which meets an extent, query, and additional parameters. | |
| FindNext | public | Finds the next occurrence of an item defined in FindFirst. | |
| FlashShape | public | Flashes shape several times | |
| ForEach | public | Fetches all shapes from the layer using callback function. | |
| ForEachSubLayer | public | Returns in callback event the layer and all sublayers belonging to it. (Inherited from TGIS_Layer) |
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| GetAvailableLayers | public | Gets a list of layers available in storage. (Overrides TGIS_Layer.GetAvailableLayers) |
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| getBindedField | protected | Get field value for a shape given by unique identity. | |
| getBindedFieldInternal | protected | Get field value for a shape given by unique identity. | |
| getEdited | protected | Internally used by TGIS_Viewer. | |
| GetField | public | Gets a field value for a shape determined by its unique identity. | |
| GetFieldEx | public | Gets a field value for a shape determined by its unique identity. | |
| getFieldInternal | protected | Get the stored field value for a shape specified by unique identifier. | |
| GetLastUid | public | Gets the Uid of the last shape. | |
| GetNewUid | public | Gets the Uid for a new shape. | |
| GetSelectedCount | public | Returns the quantity of selected shapes. | |
| GetShape(long) | public | Gets a shape by its unique identifier on default cursor (0). | |
| GetShape(long, int) | public | Gets a shape by unique identifier. | |
| getShapePos | protected | Get shape using bisection. | |
| getStatistics | protected | Parse label string (to expand fields etc.). | |
| GetSubLayer | public | Retrieve the layer identified by a name. (Inherited from TGIS_Layer) |
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| GetUniqueFieldName | public | Suggests a unique field name. | |
| HourglassShake | public | Notifies of busy state using an hourglass. (Inherited from TGIS_Layer) |
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| ImportLayer(TGIS_LayerVector, TGIS_Extent, TGIS_ShapeType, java.lang.String, bool) | public | Imports a layer from an existing layer. | |
| ImportLayer(TGIS_LayerVector, TGIS_Extent, TGIS_ShapeType, java.lang.String, TGIS_Shape, java.lang.String, bool) | public | Imports a layer from an existing layer. | |
| ImportLayerEx | public | Imports a layer from an existing layer. | |
| ImportStructure | public | Imports the field structure from another layer | |
| InitializeDirectWrite | public | Builds a new layer - prepares storage for direct writing. | |
| InvalidateScope | public | Invalidates shapes in the scope. | |
| InvalidateSelection | public | Invalidates all selected shapes (but only to redraw the selection, not the shapes themselves). | |
| IsGrid | public | Checks if the layer type is grid. (Inherited from TGIS_Layer) |
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| isInScope | protected | Internally used by TGIS_Viewer. | |
| 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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| isShapeVisible | protected | Calculate a visibility of a given shape. | |
| 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. (Overrides TGIS_Layer.IsVector) |
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| IsVector3D | public | Checks if the layer type is vector 3D. (Overrides TGIS_Layer.IsVector3D) |
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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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| LegendInfo(int, int, TGIS_ParamsSectionVector) | public | Returns parameters filled with the renderer styling. | |
| LegendInfo(int, TGIS_ParamsSectionVector) | public | Returns current parameters filled with the renderer styling. | |
| legendRender | protected | Prepare colors and sizes for rendering the legend. | |
| Locate(TGIS_Point, double) | public | Locates a shape. | |
| Locate(TGIS_Point, double, bool) | public | Locates a shape. | |
| LocateEx(TGIS_Point, double, long, double, int, TGIS_Point) | public | Locates a shape (more precise). | |
| LocateEx(TGIS_Point, double, long, double, int, TGIS_Point, bool) | public | Locates a shape (more precise). | |
| LocateEx(TGIS_Point, double, long, double, int, TGIS_Point, double, bool) | public | Locates a shape (more precise). | |
| Lock | public | Locks layer in burst-mode operation. (Inherited from TGIS_Layer) |
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| lockRender | protected | Prepare colors and size for a shape using automatic renderer. | |
| LockRenderInternal | public | This method is used only for internal use on layer reading. | |
| lockThread | protected | Locks thread. (Inherited from TGIS_Layer) |
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| Loop | public | Prepares enumerator (also known as iterator or cursor) to iterate the layer. | |
| Loop(TGIS_Extent) | public | Prepares enumerator (also known as iterator or cursor) to iterate the layer. | |
| Loop(TGIS_Extent, java.lang.String) | public | Prepares enumerator (also known as iterator or cursor) to iterate the layer. | |
| Loop(TGIS_Extent, java.lang.String, TGIS_Shape, java.lang.String) | public | Prepares enumerator (also known as iterator or cursor) to iterate the layer. | |
| Loop(TGIS_Extent, java.lang.String, TGIS_Shape, java.lang.String, bool) | public | Prepares enumerator (also known as iterator or cursor) to iterate the layer. | |
| MergeLayer(TGIS_LayerVector, TGIS_Extent, TGIS_ShapeType, java.lang.String, bool, bool) | public | Merges layer from an existing layer. | |
| MergeLayer(TGIS_LayerVector, TGIS_Extent, TGIS_ShapeType, java.lang.String, TGIS_Shape, java.lang.String, bool, bool) | public | Merges layer with an existing layer. | |
| MergeLayerEx | public | Merges layer with an existing layer. | |
| MergeStructure(TGIS_LayerVector, bool) | public | Merges the field structure from another layer. | |
| MergeStructure(TGIS_LayerVector, bool, bool) | public | Merges the field structure from another layer. | |
| 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. (Overrides TGIS_Layer.MustCalculateStatistics) |
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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. (Overrides TGIS_Layer.MustSave) |
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| nextCandidate | protected | Provides next shape from the candidate list. | |
| Open | public | Opens the layer. (Inherited from TGIS_Layer) |
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| optimizeParamsCache(int) | protected | Move section specified by _idx to the top of the cached list. (Inherited from TGIS_Layer) |
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| optimizeParamsCache(int, bool) | 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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| ParamsAsDrawn | public | Gets a shape's styling parameters that are used during drawing in the viewer, and fills the _params parameter. | |
| Prepare | public | Opens the layer. (Inherited from TGIS_Layer) |
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| prepareCandidates | protected | Prepare list of scope candidates for SQL Layers. | |
| PrepareExportFieldNames(int) | public | Prepares field names to export. | |
| PrepareExportFieldNames(int, bool) | public | Prepares field names to export. | |
| PrepareExportFieldNames(int, bool, bool) | public | Prepares field names to export. | |
| PrepareExportFieldNames(int, bool, bool, bool) | public | Prepares field names to export. | |
| PrepareParams | public | For internal use only. (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(java.lang.String) | protected | Prepare cached section list meeting the _style name. (Inherited from TGIS_Layer) |
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| prepareRender | protected | Prepare colors and size for a shape using automatic renderer. | |
| PreRecognize | public | Checks if the layer can read the file. (Inherited from TGIS_Layer) |
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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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| queueFlash | protected | Used by TGIS_Shape to add itself to the flash queue. | |
| 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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| ReadFieldDefinition | public | Parses the field definition file. | |
| ReadFieldRules | public | Parses the field rules file. | |
| RecalcExtent | public | Recalculates extent. (Overrides TGIS_Layer.RecalcExtent) |
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| RecalcProjectedExtent | public | Recalculates a projected extent. (Inherited from TGIS_Layer) |
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| releaseFlash | protected | Used by TGIS_Shape to remove itself from the flash queue. | |
| removeCandidate | protected | Remove shape from the candidate list. | |
| RenameField | public | Renames a field. | |
| ReOpen | public | Reopens the layer. (Inherited from TGIS_Layer) |
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| ReorderShapeUids | public | Internal method to rebuild shape's uid values and ensure ascending order. | |
| 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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| Revert | public | Reverts a shape to its original state. | |
| RevertAll | public | Reverts layer to its original content. (Overrides TGIS_Layer.RevertAll) |
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| RevertShapes | public | Reverts all shapes to their original state. | |
| 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. (Overrides TGIS_Layer.SaveData) |
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| SaveFieldRules | public | Save field rules file. | |
| 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) |
|
| setUp | protected | Makes a general layer setup first step. (Overrides TGIS_Layer.setUp) |
|
| setUp2 | protected | Makes a general layer setup second step. (Overrides TGIS_Layer.setUp2) |
|
| setUp3 | protected | Makes a general layer setup third step. (Overrides TGIS_Layer.setUp3) |
|
| storeConfigOptions | protected | Store layer options in a configuration file. (Overrides TGIS_Layer.storeConfigOptions) |
|
| transformExtent | protected | Custom transformation of the extent. (Inherited from TGIS_Layer) |
|
| Unlock | public | Unlocks layer from burst-mode operation. (Inherited from TGIS_Layer) |
|
| unlockRender | protected | Do after lockRender. | |
| UnlockRenderInternal | public | This method is used only for internal use on layer reading. | |
| unlockThread | protected | Unlocks thread. (Inherited from TGIS_Layer) |
|
| Unproject | public | Applies reverse projection (recovers from the projection) on the single point. (Inherited from TGIS_Layer) |
|
| Unproject3D | public | Applies reverse projection (recovers from the projection) on the singlepoint in 3D. (Inherited from TGIS_Layer) |
|
| 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) |
|
| WriteConfig | public | Writes layer configuration files. (Inherited from TGIS_Layer) |
|
| WriteShapeDirect | public | Writes a shape directly into storage. | |
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) |
|
| Addition | public | Additional value. (Inherited from TGIS_Layer) |
|
| Age | public | Age of the layer (since its creation). (Inherited from TGIS_Layer) |
|
| Basemap | public | True if the layer must be interpreted as basemap (for background painting). (Inherited from TGIS_Layer) |
|
| BasemapDraw | public | If True, the layer at the moment is drawn inside a basemap thread. (Inherited from TGIS_Layer) |
|
| BlockRTree | public | If true, then Rtree for the layer cannot be enabled and UseRtree is ignored. | |
| CachedPaint | public | False if layer must be painted directly (bypassing cache). (Inherited from TGIS_Layer) |
|
| Caption | public | Caption of layer; if not filed directly then will be filed with Name when adding to the Viewer. (Inherited from TGIS_Layer) |
|
| CodePage | public | Code Page in which text has been stored. (Inherited from TGIS_Layer) |
|
| 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) |
|
| Comments | public | Additional user comments. (Inherited from TGIS_Layer) |
|
| ConfigFile | public | Configuration file handle. (Inherited from TGIS_Layer) |
|
| ConfigName | public | Configuration file name. (Inherited from TGIS_Layer) |
|
| CS | public | Coordinate System that is assigned to the layer. (Inherited from TGIS_Layer) |
|
| CustomData | public | List of custom, user-defined data. (Inherited from TGIS_Layer) |
|
| DefaultDimension | public | Default shape dimension for the layer. | |
| DefaultShapeType | public | Default shape type for the layer. | |
| DirectMode | public | True if the layer is direct-mode (bypassing cache). (Inherited from TGIS_Layer) |
|
| DormantMode | public | Dormant mode for the layer. (Inherited from TGIS_Layer) |
|
| Driver | public | The layer's driver name. (Inherited from TGIS_Layer) |
|
| DynamicAggregator | public | Aggregation processor is executed upon the drawing process. | |
| Extent | public | Extent of the layer. (Inherited from TGIS_Layer) |
|
| Extent3D | public | Three-dimensional extent of the layer. (Inherited from TGIS_Layer) |
|
| Fields | public | List of database field definitions. | |
| FieldsVirtual | public | List of virtual fields. | |
| FileCopyrights | public | Copyright information about the layer. (Inherited from TGIS_Layer) |
|
| FileInfo | public | Additional textual information about the layer such as compression, number of pixels, copyright, etc. (Inherited from TGIS_Layer) |
|
| HideFromLegend | public | False if the layer should not be visible in legend. (Inherited from TGIS_Layer) |
|
| IgnoreShapeParams | public | If True, then only layer level params will be used. | |
| InMemoryRTree | public | True if RTree file will be created in-memory. | |
| InPaint | public | True if the layer upon paint process. (Inherited from TGIS_Layer) |
|
| IsExportable | public | True if the layer is exportable. (Inherited from TGIS_Layer) |
|
| IsLocked | public | True if the layer is in locked state. (Inherited from TGIS_Layer) |
|
| IsOpened | public | True if the layer is opened and is ready for operations. (Inherited from TGIS_Layer) |
|
| IsPersistent | public | True if the layer is persistent. (Inherited from TGIS_Layer) |
|
| IsReadOnly | public | True if the layer is read-only. (Inherited from TGIS_Layer) |
|
| IsTopmost | public | True if the layer can be interpreted as the topmost (trackable) layer. (Inherited from TGIS_Layer) |
|
| Items | public | A list of all ghost items. | |
| JoinADO | public | ADO Query to be joined. | |
| JoinCodePage | public | Code page for JoinADO/JoinDB. | |
| JoinDB | public | DB Query to be joined. | |
| JoinForeign | public | Field from Query to be joined. | |
| JoinJDBC | public | JDBC ResultSet of Query to be joined. | |
| JoinJDBCQuery | public | JDBC Query to be joined. | |
| JoinPrimary | public | Field from feature table to be joined. | |
| LabelingMode | public | Labeling mode metadata. | |
| Layer3D | public | Mode of 3D operations (Inherited from TGIS_Layer) |
|
| MaxTileSize | public | Maximum allowed tile size for the layer. (Inherited from TGIS_Layer) |
|
| MultipassRendering | public | Forces multipass rendering. | |
| MultiUserMode | public | Type of multiuser mode. (Inherited from TGIS_Layer) |
|
| Name | public | Name of layer; if not filled directly, then will be filled with Path when added to the viewer. (Inherited from TGIS_Layer) |
|
| Params | public | Returns parameters (colors, fills, etc.) object. | |
| ParamsList | public | List of all parameter sections attached to the current layer. (Inherited from TGIS_Layer) |
|
| ParentLayer | public | Parent layer of a sub layer. (Inherited from TGIS_Layer) |
|
| Path | public | Path to file holding the layer's data. (Inherited from TGIS_Layer) |
|
| PathFLD | public | Path to field definitions ini file. | |
| PathFLDX | public | Path to field rules file. | |
| PathRTree | public | Path to RTree index. | |
| PathWithDriver | public | Path to file with the layer's data extended with driver name. (Inherited from TGIS_Layer) |
|
| ProjectedExtent | public | Extent of the layer in projected units. (Inherited from TGIS_Layer) |
|
| Renderer | public | Handle to a renderer used for drawing shapes. (Inherited from TGIS_Layer) |
|
| RTreeFile | public | Rtree based index. | |
| Scope | public | Scope zone. | |
| ScopeExtent | public | Scope extent. | |
| SelectedList | public | List of uids of the selected shapes. | |
| Statistics | public | Layer statistics engine (Inherited from TGIS_Layer) |
|
| Stream | public | Reference to a potential layer underlying the stream. (Inherited from TGIS_Layer) |
|
| SubLayers | public | List of sublayers belonging to the layer. (Inherited from TGIS_Layer) |
|
| SubType | public | Type of sublayer. (Inherited from TGIS_Layer) |
|
| SupportedDimensions | public | Set of dimensions supported by a layer. | |
| SupportedShapes | public | Set of shapes supported by a layer. | |
| SupportedShapesAll | public | Similar to SupportedShapesSet, but this lists also includes shape types added temporarily by the aggregator. | |
| SupportsAutoStyle | public | Indicates whether the layer supports auto styling. (Inherited from TGIS_Layer) |
|
| SupportsTiledPaint | public | Indicates whether the layer supports tiled paint. (Inherited from TGIS_Layer) |
|
| SymbolingMode | public | Symboling mode metadata. | |
| Tag | public | Tag has no predefined meaning. (Inherited from TGIS_Layer) |
|
| TagInternal | public | TagInternal has no predefined meaning. (Inherited from TGIS_Layer) |
|
| TagPointer | public | TagPointer has no predefined meaning. (Inherited from TGIS_Layer) |
|
| TiledDrawMode | public | If True, the layer at the moment is drawn by tiler. (Inherited from TGIS_Layer) |
|
| Transform | public | Custom transformation. (Inherited from TGIS_Layer) |
|
| Transparency | public | Transparency value for the layer (0..100). (Inherited from TGIS_Layer) |
|
| UnSupportedOperations | public | Set of operations not supported by the layer. (Inherited from TGIS_Layer) |
|
| UseConfig | public | True if config file is active. (Inherited from TGIS_Layer) |
|
| UserObject | public | UserObject can be used to associate with the layer a user-defined object. (Inherited from TGIS_Layer) |
|
| UseRTree | public | Sets the use of an index based on RTree structure. | |
| UseShapeStyleField | public | If true than params style attribute field was defined. | |
| Viewer | public | Reference to a viewer object. (Inherited from TGIS_Layer) |
|
| ZOrder | public | Layer's position relative to other layers. (Inherited from TGIS_Layer) |
|
| ZOrderEx | public | Layer position relative to other visible layers. (Inherited from TGIS_Layer) |
|
Events
Inherited
Protected
Private
| Name | Visibility | Description | |
|---|---|---|---|
| CursorAfterFetchEvent | public | CursorAfterFetch event. | |
| CursorBeforeFetchEvent | public | CursorBeforeFetch event. | |
| CursorCloseEvent | public | CursorClose event. | |
| CursorInterruptEvent | public | OnCursorInterrupt event. | |
| CursorOpenEvent | public | CursorOpen event. | |
| CursorShapeFetchEvent | public | CursorShapeFetch event. | |
| LabelPosEvent | public | LabelPos event. | |
| PaintShapeChartEvent | public | PaintShapeChart event. | |
| PaintShapeEvent | public | PaintShape events. | |
| PaintShapeLabelEvent | public | OnPaintShapeLabel events. | |
| ShapeFieldChangeEvent | public | ShapeFieldChange event. | |
| ShapeGeometryChangeEvent | public | ShapeGeometryChange event. | |
Remarks
Available metadata keys
| Metadata | Values | Default | Description |
|---|---|---|---|
| TGIS_Viewer.RotationMode.Labels | NO BYFIELD WITHANGLE ALL | BYFIELD | Labels rotation modes. |
| TGIS_LayerVector.WriteOriginalUid | TRUE FALSE | FALSE | Field with original uid (ORIG_ID) will be added during layer import. |
| TGIS_LayerVector.WriteFldFile | TRUE FALSE | TRUE | fld file will be created during layer import. |
Virtual fields
Each vector layer supports virtual fields:
(to be accessed by TGIS_Shape.GetField)
| Field name | Description |
|---|---|
| GIS_FIELD_AREA | Same as TGIS_Shape.AreaCS or TGIS_Shape.Area if a layer has no coordinate system assigned. |
| GIS_FIELD_CENTER_X | Center X coordinate of a shape. |
| GIS_FIELD_CENTER_Y | Center Y coordinate of a shape. |
| GIS_FIELD_CENTER_M | Center M coordinate of a 3D shape. |
| GIS_FIELD_CENTER_Z | Center Z coordinate of a 3D shape. |
| GIS_FIELD_CENTROID_X | X coordinate of a shape's centroid TGIS_Shape.Centroid). |
| GIS_FIELD_CENTROID_Y | Y coordinate of a shape's centroid TGIS_Shape.Centroid). |
| GIS_FIELD_COORD_M | M coordinate of the first vertex of a 3D shape. |
| GIS_FIELD_COORD_Z | Z coordinate of the first vertex of a 3D shape. |
| GIS_FIELD_HIDDEN | Same as TGIS_Shape.IsHidden |
| GIS_FIELD_LENGTH | Same as TGIS_Shape.LengthCS or TGIS_Shape.Length if a layer has no coordinate system assigned. |
| GIS_FIELD_MAX_X | Maximum X coordinate of a shape. Same as XMax from TGIS_Shape.Extent. |
| GIS_FIELD_MAX_Y | Maximum Y coordinate of a shape. Same as YMax from TGIS_Shape.Extent. |
| GIS_FIELD_MAX_M | Maximum M coordinate of a 3D shape. Same as MMax from TGIS_Shape.Extent3D. |
| GIS_FIELD_MAX_Z | Maximum Z coordinate of a 3D shape. Same as ZMax from TGIS_Shape.Extent3D. |
| GIS_FIELD_MIN_X | Minimum X coordinate of a shape. Same as XMin from TGIS_Shape.Extent. |
| GIS_FIELD_MIN_Y | Minimum Y coordinate of a shape. Same as YMin from TGIS_Shape.Extent. |
| GIS_FIELD_MIN_M | Minimum M coordinate of a 3D shape. Same as MMin from TGIS_Shape.Extent3D. |
| GIS_FIELD_MIN_Z | Minimum Z coordinate of a 3D shape. Same as ZMin from TGIS_Shape.Extent3D. |
| GIS_FIELD_NOW | Current date & time. |
| GIS_FIELD_NUM_PARTS | Same as TGIS_Shape.GetNumParts. |
| GIS_FIELD_NUM_POINTS | Same as TGIS_Shape.GetNumPoints. |
| GIS_FIELD_SELECTED | Same as TGIS_Shape.IsSelected. |
| GIS_FIELD_UID | Same as TGIS_Shape.Uid. |
References
2024/09/13 01:13