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api:dk11:delphi:gislayerlandxml.tgis_layerlandxml

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TGIS_LayerLandXML class

DK for Delphi | GisLayerLandXML.TGIS_LayerLandXML | Classes | Constructors | Fields | Methods | Properties

Represents a LandXML layer.

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

Syntax

// Delphi
type
  TGIS_LayerLandXML = class( TGIS_LayerVector )
  end;
// C++ Builder
class PASCALIMPLEMENTATION TGIS_LayerLandXML : public TGIS_LayerVector
{
};

Inheritance

→ TGIS_BaseObjectDisposable → TGIS_LayerAbstract → TGIS_Layer → TGIS_LayerVector

Constructors

Inherited Overrides Protected
Name Visibility Description
Create public Create a vector layer instance with default settings.
(Overrides TGIS_LayerVector.Create)
Create(String) public Creates a layer and sets the Path property.
(Inherited from TGIS_Layer)

Fields

Inherited Protected
Name Visibility Description
bIgnoreShapeParams protected Internal status of IgnoreShapeParams property.
(Inherited from TGIS_LayerVector)
cursorState protected Array containing the complete state for all active cursors.
(Inherited from TGIS_LayerVector)
cursorStateStore protected Array containing the complete state for all active cursors.
(Inherited from TGIS_LayerVector)
FActive protected True if the layer is active.
(Inherited from TGIS_Layer)
FAddition protected Additional integer value.
(Inherited from TGIS_Layer)
FAge protected Layer age or last modification timestamp.
(Inherited from TGIS_Layer)
FBasemap protected True if the layer is interpreted as a basemap.
(Inherited from TGIS_Layer)
FBasemapDraw protected True if the layer is currently being drawn inside a basemap thread.
(Inherited from TGIS_Layer)
FBlockRTree protected True if the R-Tree spatial index cannot be enabled.
(Inherited from TGIS_LayerVector)
FCachedPaint protected False if layer must be painted directly (bypassing cache).
(Inherited from TGIS_Layer)
FCaption protected Layer caption.
(Inherited from TGIS_Layer)
FCodePage protected Code page in which text is stored.
(Inherited from TGIS_Layer)
FCodePageForced protected Code page forced by the project file or property setting.
(Inherited from TGIS_Layer)
FCollapsed protected True if the layer is collapsed in the legend hierarchy.
(Inherited from TGIS_Layer)
FComments protected Additional comments.
(Inherited from TGIS_Layer)
FConfigFile protected Configuration file handle.
(Inherited from TGIS_Layer)
FConfigFile2 protected Configuration file handle.
(Inherited from TGIS_Layer)
FConfigName protected Configuration file name.
(Inherited from TGIS_Layer)
FCS protected Layer CRS (Coordinate Reference System) object.
(Inherited from TGIS_Layer)
FCustomData protected List of custom data.
(Inherited from TGIS_Layer)
FDormantMode protected Dormant mode for the layer.
(Inherited from TGIS_Layer)
FDriver protected Layer driver.
(Inherited from TGIS_Layer)
FExtent protected Layer extent.
(Inherited from TGIS_Layer)
FExtent3D protected Three-dimensional layer extent.
(Inherited from TGIS_Layer)
FFileCopyright protected Additional textual information about layer copyright.
(Inherited from TGIS_Layer)
FFileInfo protected Additional textual information about the layer, such as compression, pixel count, and copyright.
(Inherited from TGIS_Layer)
FGUID protected Unique layer identifier.
(Inherited from TGIS_Layer)
FHideFromLegend protected True if layer should not be visible in a legend.
(Inherited from TGIS_Layer)
FIcon protected Layer icon displayed in the legend.
(Inherited from TGIS_Layer)
findSmartSizeFactor protected SmartSize scaling factor used to scale between projected and unprojected sizes.
(Inherited from TGIS_LayerVector)
FInMemoryRTree protected True if the R-Tree spatial index file is created in memory.
(Inherited from TGIS_LayerVector)
FInPaint protected True while the layer is in the paint process.
(Inherited from TGIS_Layer)
FIsLocked protected True if the layer is in the locked state.
(Inherited from TGIS_Layer)
FIsModified protected True if the layer structure or geometry has been modified.
(Inherited from TGIS_Layer)
FIsOpened protected True if the layer has been opened.
(Inherited from TGIS_Layer)
FIsPrepared protected True if the layer has been prepared.
(Inherited from TGIS_Layer)
FIsReadOnly protected Read-only flag.
(Inherited from TGIS_Layer)
FMaxTileSize protected Maximum allowed tile size for the layer.
(Inherited from TGIS_Layer)
FMultiUserMode protected Multiuser mode.
(Inherited from TGIS_Layer)
FName protected Layer name.
(Inherited from TGIS_Layer)
FOnBusy protected Busy event fired regularly during long-running operations.
(Inherited from TGIS_Layer)
FOnCursorAfterFetch protected CursorAfterFetch event fired after data is fetched by CursorFirst.
(Inherited from TGIS_LayerVector)
FOnCursorBeforeFetch protected CursorBeforeFetch event fired before data is fetched by CursorFirst.
(Inherited from TGIS_LayerVector)
FOnCursorClose protected CursorClose event fired when a cursor is closed.
(Inherited from TGIS_LayerVector)
FOnCursorInterrupt protected CursorInterrupt event fired after cursor reading is interrupted.
(Inherited from TGIS_LayerVector)
FOnCursorOpen protected CursorOpen event fired when a cursor is opened.
(Inherited from TGIS_LayerVector)
FOnCursorShapeFetch protected CursorShapeFetch event fired after a shape is fetched.
(Inherited from TGIS_LayerVector)
FOnLabelPos protected ShapeLabelPos event fired before label placement is finalized.
(Inherited from TGIS_LayerVector)
FOnPaintLayer protected PaintLayer event fired during Paint and related drawing operations.
(Inherited from TGIS_Layer)
FOnPaintShape protected PaintShape event fired during TGIS_Shape.Paint for each rendered shape.
(Inherited from TGIS_LayerVector)
FOnPaintShapeChart protected PaintShapeChart event fired during TGIS_Shape.PaintChart for each rendered chart.
(Inherited from TGIS_LayerVector)
FOnPaintShapeLabel protected PaintShapeLabel event fired during TGIS_Shape.PaintLabel for each rendered label.
(Inherited from TGIS_LayerVector)
FOnPassword protected Fired when opening a layer to resolve required user name or password values.
(Inherited from TGIS_Layer)
FOnRead protected Fired for each file read request.
(Inherited from TGIS_Layer)
FOnShapeFieldChange protected ShapeFieldChange event fired after a shape field value changes.
(Inherited from TGIS_LayerVector)
FOnShapeGeometryChange protected ShapeGeometryChange event fired after shape geometry changes.
(Inherited from TGIS_LayerVector)
FOnWrite protected Fired for each file write request.
(Inherited from TGIS_Layer)
forceCachedMode protected Set to True to force cached bitmap drawing.
(Inherited from TGIS_Layer)
FOverlappedExtentMargin protected Overlapped extent margin.
(Inherited from TGIS_Layer)
FParamsList protected List of parameter sets grouped by section.
(Inherited from TGIS_Layer)
FParentLayer protected Parent layer.
(Inherited from TGIS_Layer)
FPath protected Layer path.
(Inherited from TGIS_Layer)
FPixelsPerInch protected Pixel density used to avoid improper ZoomEx behavior on ggdPrinter and similar devices.
(Inherited from TGIS_LayerVector)
FProjectedExtent protected Cached projected extent.
(Inherited from TGIS_Layer)
FProjectedExtentBase protected Cached projected extent base extent in unprojected layer coordinates.
(Inherited from TGIS_Layer)
FProjectedExtentEPSG protected Cached projected extent layer CRS (Coordinate Reference System) context.
(Inherited from TGIS_Layer)
FProjectedExtentRotationAngle protected Cached projected extent rotation angle context.
(Inherited from TGIS_Layer)
FProjectedExtentRotationPoint protected Cached projected extent rotation point context.
(Inherited from TGIS_Layer)
FProjectedExtentViewerEPSG protected Cached projected extent viewer CRS (Coordinate Reference System) context.
(Inherited from TGIS_Layer)
FRenderer protected Handle to a renderer used for drawing shapes.
(Inherited from TGIS_Layer)
FRTreeFile protected R-Tree-based spatial index.
(Inherited from TGIS_LayerVector)
FSelectedList protected List of uids of selected shapes.
(Inherited from TGIS_LayerVector)
FStatistics protected Statistics engine.
(Inherited from TGIS_Layer)
FStream protected Reference to a potential layer underlying stream.
(Inherited from TGIS_Layer)
FSubLayers protected Sublayer list.
(Inherited from TGIS_Layer)
FSubType protected Sublayer type flags for this layer.
(Inherited from TGIS_Layer)
FSupportedDimensions protected Set of dimensions supported by a layer.
(Inherited from TGIS_LayerVector)
FSupportedShapes protected Set of shapes supported by a layer.
(Inherited from TGIS_LayerVector)
FSupportsAsync protected Indicates whether the layer implements asynchronous operations.
(Inherited from TGIS_Layer)
FSupportsAutoStyle protected Indicates whether the layer supports auto styling.
(Inherited from TGIS_Layer)
FSupportsTiledPaint protected Indicates whether the layer supports tiled paint.
(Inherited from TGIS_Layer)
FTag protected Tag value.
(Inherited from TGIS_Layer)
FTagInternal protected Internal Tag value.
(Inherited from TGIS_Layer)
FTagPointer protected Pointer tag value.
(Inherited from TGIS_Layer)
FTileable protected True if the layer is currently printed or exported using tiles.
(Inherited from TGIS_Layer)
FTiledDrawMode protected Current tiled draw mode used while drawing in a basemap thread.
(Inherited from TGIS_Layer)
FTransform protected Custom transformation.
(Inherited from TGIS_Layer)
FTransparency protected Transparency value.
(Inherited from TGIS_Layer)
FUnSupportedOperations protected Set of operations not supported by the layer.
(Inherited from TGIS_Layer)
FUseConfig protected True if configuration file support is enabled.
(Inherited from TGIS_Layer)
FUserObject protected User object owned by the layer and destroyed when the layer is destroyed or when replaced.
(Inherited from TGIS_Layer)
FUseRTree protected True if the R-Tree spatial index is enabled.
(Inherited from TGIS_LayerVector)
FViewer protected Reference to viewer object.
(Inherited from TGIS_Layer)
inDraw protected True while layer drawing is still in progress to avoid circular drawing calls.
(Inherited from TGIS_Layer)
oldMarkerPoint protected Old marker point screen coordinates (to filter drawing points).
(Inherited from TGIS_LayerVector)
paramsCache protected List of prepared parameters.
(Inherited from TGIS_Layer)
paramsCacheUpdated protected True if cached parameters are ready for rendering.
(Inherited from TGIS_Layer)
View3D public 3D representation settings for the layer.
(Inherited from TGIS_Layer)

Methods

Inherited Overrides Protected
Name Visibility Description
AddField public Adds a new attribute field definition to the layer schema.
(Inherited from TGIS_LayerVector)
AddFieldInternal(String; TGIS_FieldType; Integer; Integer) public Adds a new field definition using internal layer-loading logic.
(Inherited from TGIS_LayerVector)
AddFieldInternal(String; TGIS_FieldType; Integer; Integer; Boolean; Integer) public Adds a new field definition using internal layer-loading logic.
(Inherited from TGIS_LayerVector)
AddShape(TGIS_Shape) public Adds a shape to the layer by creating an editable copy of its geometry without copying attribute values.
(Inherited from TGIS_LayerVector)
AddShape(TGIS_Shape; Boolean) public Adds a shape to the layer by creating an editable copy, optionally copying attribute fields and values from the source shape.
(Inherited from TGIS_LayerVector)
Alive public Makes a layer non-dormant.
(Inherited from TGIS_Layer)
ApplyAutoStyle public Applies auto-styling to the layer.
(Inherited from TGIS_Layer)
ApplyAutoStyle(Boolean) public Applies auto-styling to the layer.
(Inherited from TGIS_Layer)
applyConfigOptions protected
(Inherited from TGIS_LayerVector)
applyConfigProjection(TGIS_ConfigAbstract) protected Applies projection settings from a configuration file.
(Inherited from TGIS_Layer)
applyConfigProjection(TGIS_ConfigAbstract; TGIS_Layer) protected Applies projection settings from a configuration file.
(Inherited from TGIS_Layer)
ApplyCuttingPolygon public Sets a clipping polygon for the layer.
(Inherited from TGIS_Layer)
bindField protected Obtain the bind index for a field name.
(Inherited from TGIS_LayerVector)
bindFieldInternal protected Obtain the bind index for a field name.
(Inherited from TGIS_LayerVector)
BindSqlQueryInternal public Binds the layer to an internal SQL query object used for attribute field access.
(Inherited from TGIS_LayerVector)
Build(String; TGIS_Extent; TGIS_ShapeType) public Create and initialize layer storage with the specified shape type and extent using the layer default dimensionality.
(Inherited from TGIS_LayerVector)
Build(String; TGIS_Extent; TGIS_ShapeType; TGIS_DimensionType) public Create and initialize layer storage with an explicit coordinate dimensionality.
(Overrides TGIS_LayerVector.Build)
CentroidScope public Calculates the centroid point for the first shape matching a SQL (Structured Query Language) WHERE clause, or returns a fallback point if no shape matches.
(Inherited from TGIS_LayerVector)
ChangeHash public Changes the hash used to verify layer modifications.
(Inherited from TGIS_Layer)
checkParamsCache protected Check whether a shape passes cached visibility criteria for rendering.
(Inherited from TGIS_LayerVector)
ClearModified public Sets IsModified flag to false for a layer and its sublayers.
(Inherited from TGIS_Layer)
CreateShape(TGIS_ShapeClass) public Creates a new editable shape instance from the specified TGIS_Shape descendant class.
(Inherited from TGIS_LayerVector)
CreateShape(TGIS_ShapeType) public Creates a new empty shape with the specified geometry type by using the layer's default coordinate dimensionality.
(Inherited from TGIS_LayerVector)
CreateShape(TGIS_ShapeType; TGIS_DimensionType) public Creates a new empty shape with the specified geometry type and coordinate dimensionality.
(Inherited from TGIS_LayerVector)
cursorClose protected Release a cursor and free its associated resources.
(Inherited from TGIS_LayerVector)
cursorEof protected Test whether the cursor has reached the end of the current iteration result set.
(Inherited from TGIS_LayerVector)
cursorEofInternal protected Internal variant of cursorEof.
(Inherited from TGIS_LayerVector)
cursorFindFirst protected Find the first shape matching extent, query, and DE-9IM spatial predicate filters and return it directly.
(Inherited from TGIS_LayerVector)
cursorFindNext protected Return the next shape matching the criteria established by cursorFindFirst().
(Inherited from TGIS_LayerVector)
cursorFinish protected Complete cursor processing and release resources associated with the cursor.
(Inherited from TGIS_LayerVector)
cursorFirst protected Initialize a cursor to the first shape matching extent, query, and DE-9IM spatial predicate filters.
(Inherited from TGIS_LayerVector)
cursorFirstInternal protected Internal variant of cursorFirst.
(Inherited from TGIS_LayerVector)
cursorInterrupt protected Interrupt the current cursor operation before normal completion.
(Inherited from TGIS_LayerVector)
cursorNext protected Advance the cursor to the next shape matching the current filter criteria.
(Inherited from TGIS_LayerVector)
cursorNextInternal protected Internal variant of cursorNext.
(Inherited from TGIS_LayerVector)
cursorOpen protected Allocates and initializes a new cursor for vector-layer iteration.
(Inherited from TGIS_LayerVector)
cursorShape protected Return the shape at the current cursor position.
(Inherited from TGIS_LayerVector)
cursorShapeEx protected Return the current shape using an extended access path for specialized layer implementations.
(Inherited from TGIS_LayerVector)
cursorShapeInternal protected Internal variant of cursorShape.
(Inherited from TGIS_LayerVector)
cursorStateRestore protected Restore the cursor to the most recently saved state.
(Inherited from TGIS_LayerVector)
cursorStateSave protected Save the current cursor state for later restoration during nested iteration.
(Inherited from TGIS_LayerVector)
Delete public Marks a shape as deleted so it is skipped by drawing and queries while retaining enough state to restore it before changes are saved.
(Inherited from TGIS_LayerVector)
DeleteField public Deletes a field from the layer schema.
(Inherited from TGIS_LayerVector)
Deselect public Deselects a single shape and removes it from the layer's selected shape set.
(Inherited from TGIS_LayerVector)
DeselectAll public Clears the selection state of all shapes in the layer.
(Inherited from TGIS_LayerVector)
doApplyAutoStyle protected
(Inherited from TGIS_LayerVector)
Dormant public Makes a layer dormant.
(Inherited from TGIS_Layer)
DormantGain public Calculates the approximate memory gain in megabytes that can be achieved by calling Dormant.
(Inherited from TGIS_Layer)
Draw public Draws a layer.
(Inherited from TGIS_Layer)
DrawChart public Renders all charts for the layer without redrawing full shape geometry.
(Inherited from TGIS_LayerVector)
DrawEx public Draws a layer within a defined extent.
(Overrides TGIS_LayerVector.DrawEx)
drawExtent protected Calculates the device drawing and clipping area.
(Inherited from TGIS_Layer)
drawExtentEx protected Calculates the device drawing and clipping area.
(Inherited from TGIS_Layer)
DrawFlash public Renders all queued flashing shapes.
(Inherited from TGIS_LayerVector)
DrawLabel public Renders layer labels without redrawing full shape geometry.
(Inherited from TGIS_LayerVector)
DrawScope public Renders shapes that match a SQL WHERE clause using the specified style.
(Inherited from TGIS_LayerVector)
DrawSelected public Draws only the selected item(s) on layer.
(Inherited from TGIS_Layer)
DrawSelectedEx public
(Inherited from TGIS_LayerVector)
DrawSpecial public Performs custom rendering by delegating drawing to a specialized renderer object.
(Inherited from TGIS_LayerVector)
ExportLayer(TGIS_LayerVector; TGIS_Extent; TGIS_ShapeType; String; Boolean) public Copy a subset of this layer to another layer using spatial and SQL filtering.
(Inherited from TGIS_LayerVector)
ExportLayer(TGIS_LayerVector; TGIS_Extent; TGIS_ShapeType; String; TGIS_Shape; String; Boolean) public Export shapes with spatial and topological relationship filtering.
(Inherited from TGIS_LayerVector)
ExportLayerEx public Virtual export method with spatial and topological relationship filtering.
(Inherited from TGIS_LayerVector)
ExportStructureToFLD public Export the layer field schema to an FLD field-definition file.
(Inherited from TGIS_LayerVector)
FieldInfo public Returns metadata for the field at the specified zero-based index.
(Inherited from TGIS_LayerVector)
FinalizeDirectWrite public Finalize an active direct-write session and complete the target layer storage.
(Inherited from TGIS_LayerVector)
FinalizeRead public Finalize reading state and release active query and cursor resources associated with the layer.
(Inherited from TGIS_LayerVector)
FindField public Finds a field index by name in the layer's field schema.
(Inherited from TGIS_LayerVector)
FindFieldInternal public Internal field lookup using the saved storage field name.
(Inherited from TGIS_LayerVector)
FindFirst public Initiates iteration by finding the first shape in the layer, with optional R-Tree spatial acceleration, and prepares cursor state for subsequent FindNext calls.
(Inherited from TGIS_LayerVector)
FindFirst(TGIS_Extent) public Finds the first shape whose geometry intersects the specified extent, using an R-Tree spatial index when available.
(Inherited from TGIS_LayerVector)
FindFirst(TGIS_Extent; String) public Finds the first shape that matches both the specified spatial extent and the SQL-like attribute query, using an R-Tree index when available.
(Inherited from TGIS_LayerVector)
FindFirst(TGIS_Extent; String; TGIS_Shape; String) public Finds the first shape that matches the specified spatial extent, SQL-like attribute query, and DE-9IM topological relation.
(Inherited from TGIS_LayerVector)
FindFirst(TGIS_Extent; String; TGIS_Shape; String; Boolean) public Finds the first shape that matches the specified spatial extent, SQL-like attribute query, DE-9IM topological relation, and deleted- item visibility setting.
(Inherited from TGIS_LayerVector)
FindNext public Retrieves the next shape from the active FindFirst query cursor and continues iteration over shapes matching the original criteria.
(Inherited from TGIS_LayerVector)
FlashShape public Flashes a shape to visually highlight it for user feedback.
(Inherited from TGIS_LayerVector)
ForEach public Iterates shapes matching complex criteria and invokes a callback for each shape with rendering parameters prepared.
(Inherited from TGIS_LayerVector)
ForEachSubLayer public Calls the callback for the layer and all of its sublayers.
(Inherited from TGIS_Layer)
GetAvailableLayers public Gets a list of layers available in storage.
(Inherited from TGIS_LayerVector)
getBindedField protected Get a field value for a shape using a bound field identifier.
(Inherited from TGIS_LayerVector)
getBindedFieldInternal protected Get a field value for a shape using a bound field identifier.
(Inherited from TGIS_LayerVector)
getEdited protected Get the editable in-memory mirror of a shape when available.
(Inherited from TGIS_LayerVector)
GetField public Retrieves an attribute field value for a shape by its unique identifier, converting SQL NULL values to the field default value.
(Inherited from TGIS_LayerVector)
GetFieldEx public Retrieves an attribute field value for a shape by unique identifier, preserving SQL NULL values unchanged.
(Inherited from TGIS_LayerVector)
getFieldInternal protected Get the stored field value for a shape identified by unique identifier.
(Inherited from TGIS_LayerVector)
GetLastUid public Gets the highest unique identifier (UID) currently present in the layer.
(Inherited from TGIS_LayerVector)
GetNewUid public Allocates the next available unique identifier (UID) for a new shape.
(Inherited from TGIS_LayerVector)
GetSelectedCount public Returns the number of shapes currently selected in this layer.
(Inherited from TGIS_LayerVector)
GetShape(TGIS_Uid) public Retrieves a shape by its unique identifier (UID) using the default cursor (0).
(Inherited from TGIS_LayerVector)
GetShape(TGIS_Uid; Integer) public Retrieves a shape by its unique identifier (UID) using the specified cursor context.
(Inherited from TGIS_LayerVector)
getShapePos protected Locate a shape by its unique identifier using binary search.
(Inherited from TGIS_LayerVector)
getStatistics protected Calculate an aggregate value for a field using the specified function.
(Inherited from TGIS_LayerVector)
GetSubLayer public Retrieves the layer identified by name.
(Inherited from TGIS_Layer)
GetUniqueFieldName public Returns a unique field name that does not conflict with the current layer schema.
(Inherited from TGIS_LayerVector)
HourglassShake public Notifies about a busy state using an hourglass.
(Inherited from TGIS_Layer)
ImportLayer(TGIS_LayerVector; TGIS_Extent; TGIS_ShapeType; String; Boolean) public Import shapes from another vector layer, optionally filtered by extent, target geometry type, and SQL (Structured Query Language) WHERE clause.
(Inherited from TGIS_LayerVector)
ImportLayer(TGIS_LayerVector; TGIS_Extent; TGIS_ShapeType; String; TGIS_Shape; String; Boolean) public Import shapes with spatial and topological relationship filtering.
(Inherited from TGIS_LayerVector)
ImportLayerEx public Virtual import method with spatial and topological filtering.
(Overrides TGIS_LayerVector.ImportLayerEx)
ImportStructure public Copies the complete attribute field schema from another vector layer, replacing this layer's existing field definitions.
(Inherited from TGIS_LayerVector)
InitializeDirectWrite public Prepare layer storage for direct streaming writes during high- volume bulk import operations.
(Inherited from TGIS_LayerVector)
InvalidateScope public Invalidates shapes matching a SQL WHERE clause so they are redrawn with the specified style.
(Inherited from TGIS_LayerVector)
InvalidateSelection public Invalidates the visual selection state for all currently selected shapes.
(Inherited from TGIS_LayerVector)
IsGrid public Checks if the layer type is grid.
(Inherited from TGIS_Layer)
isInScope protected Test whether a shape is inside the current cursor scope.
(Inherited from TGIS_LayerVector)
IsPixel public Checks if the layer type is pixel.
(Inherited from TGIS_Layer)
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)
isShapeVisible protected Test whether a shape is visible within the specified extent.
(Inherited from TGIS_LayerVector)
isSublayer protected Checks if the layer is a sublayer.
(Inherited from TGIS_Layer)
IsSupported public Checks if the operation is supported by the layer.
(Inherited from TGIS_Layer)
IsTopology public Checks if the layer type is topology.
(Inherited from TGIS_Layer)
IsVector public
(Inherited from TGIS_LayerVector)
IsVector3D public
(Inherited from TGIS_LayerVector)
IsVisible public Checks if the layer is visible in a defined extent and current params.
(Inherited from TGIS_Layer)
LegendInfo(Integer; Integer; TGIS_ParamsSectionVector) public Retrieves rendering parameters for a specific legend section and zone identifier.
(Inherited from TGIS_LayerVector)
LegendInfo(Integer; TGIS_ParamsSectionVector) public Deprecated legend-information overload that retrieves styling parameters for a legend zone.
(Inherited from TGIS_LayerVector)
legendRender protected Prepare legend styling for the specified renderer section.
(Inherited from TGIS_LayerVector)
Locate(TGIS_Point; Double) public Locates the nearest shape to a reference point within the specified tolerance distance.
(Inherited from TGIS_LayerVector)
Locate(TGIS_Point; Double; Boolean) public Locates the nearest shape to a reference point within the specified tolerance distance, optionally limited to visible shapes.
(Inherited from TGIS_LayerVector)
LocateEx(TGIS_Point; Double; TGIS_Uid; Double; Integer; TGIS_Point) public Locates the nearest shape and returns additional hit-test details, including distance, part index, and projected point.
(Inherited from TGIS_LayerVector)
LocateEx(TGIS_Point; Double; TGIS_Uid; Double; Integer; TGIS_Point; Boolean) public Locates the nearest shape and returns additional hit-test details, with optional filtering to visible shapes only.
(Inherited from TGIS_LayerVector)
LocateEx(TGIS_Point; Double; TGIS_Uid; Double; Integer; TGIS_Point; Double; Boolean) public Locates the nearest shape and returns raw and preference-adjusted hit-test distances together with part and projection details.
(Inherited from TGIS_LayerVector)
Lock public Locks the layer for burst-mode operation.
(Inherited from TGIS_Layer)
lockRender protected Lock the rendering context and prepare colors and sizes for shape rendering.
(Inherited from TGIS_LayerVector)
LockRenderInternal public Lock layer rendering for bulk load operations.
(Inherited from TGIS_LayerVector)
lockThread protected Locks the layer thread.
(Inherited from TGIS_Layer)
Loop public Creates an enumerator factory for traversing all shapes in the layer by using Delphi for..in syntax or manual enumerator access.
(Inherited from TGIS_LayerVector)
Loop(TGIS_Extent) public Creates an enumerator factory for shapes intersecting the specified extent, using an R-Tree spatial index when available.
(Inherited from TGIS_LayerVector)
Loop(TGIS_Extent; String) public Creates an enumerator factory for shapes matching both the specified extent and the SQL-like attribute query.
(Inherited from TGIS_LayerVector)
Loop(TGIS_Extent; String; TGIS_Shape; String) public Creates an enumerator factory for shapes matching the specified extent, SQL-like attribute query, and DE9IM topological relation.
(Inherited from TGIS_LayerVector)
Loop(TGIS_Extent; String; TGIS_Shape; String; Boolean) public Creates an enumerator factory for shapes matching the specified extent, SQL-like attribute query, DE9IM relation, and deleted-item visibility setting.
(Inherited from TGIS_LayerVector)
MarkAsProxy public Marks the layer to be used as a proxy layer.
(Inherited from TGIS_Layer)
MarkModified public Sets IsModified flag to true for a layer and its sublayers.
(Inherited from TGIS_Layer)
MergeLayer(TGIS_LayerVector; TGIS_Extent; TGIS_ShapeType; String; Boolean; Boolean) public Merge shapes from another layer while preserving attribute data and checking field schema compatibility.
(Inherited from TGIS_LayerVector)
MergeLayer(TGIS_LayerVector; TGIS_Extent; TGIS_ShapeType; String; TGIS_Shape; String; Boolean; Boolean) public Merge shapes with attribute data and topological relationship filtering.
(Inherited from TGIS_LayerVector)
MergeLayerEx public Virtual merge method with attribute preservation, schema checking, and optional topological filtering.
(Inherited from TGIS_LayerVector)
MergeStructure(TGIS_LayerVector; Boolean) public Merge field definitions from another layer into this layer without removing existing fields.
(Inherited from TGIS_LayerVector)
MergeStructure(TGIS_LayerVector; Boolean; Boolean) public Merge field definitions from another layer with control over whether export names or internal names are used.
(Inherited from TGIS_LayerVector)
Move public Moves a layer up or down in the viewer zorder list.
(Inherited from TGIS_Layer)
MoveEx public Moves a layer up or down in the viewer zorder list (only visible layers).
(Inherited from TGIS_Layer)
MustCalculateStatistics public
(Inherited from TGIS_LayerVector)
MustReproject public Checks whether the layer must be reprojected.
(Inherited from TGIS_Layer)
MustSave public
(Inherited from TGIS_LayerVector)
nextCandidate protected Retrieve the next candidate shape from the prepared candidate list.
(Inherited from TGIS_LayerVector)
Open public Opens the layer.
(Inherited from TGIS_Layer)
OpenAsync public Opens the layer asynchronously.
(Inherited from TGIS_Layer)
optimizeParamsCache(Integer) protected Moves the specified section to the top of the cached list.
(Inherited from TGIS_Layer)
optimizeParamsCache(Integer; Boolean) protected Moves the specified section to the top of the cached list.
(Inherited from TGIS_Layer)
Paint public Draws the layer or fires PaintLayer event (if defined).
(Inherited from TGIS_Layer)
ParamsAsDrawn public Retrieves the effective rendering parameters currently used to draw a specific shape.
(Inherited from TGIS_LayerVector)
Prepare public Opens the layer for non-drawing operations.
(Inherited from TGIS_Layer)
prepareCandidates protected Build the candidate shape list used for cursor scope evaluation.
(Inherited from TGIS_LayerVector)
PrepareExportFieldNames(Integer) public Prepares field names for export to a target format with limited field-name length.
(Inherited from TGIS_LayerVector)
PrepareExportFieldNames(Integer; Boolean) public Prepares field names for export and controls whether all fields or only new fields are processed.
(Inherited from TGIS_LayerVector)
PrepareExportFieldNames(Integer; Boolean; Boolean) public Prepares field names for export with optional uppercase conversion.
(Inherited from TGIS_LayerVector)
PrepareExportFieldNames(Integer; Boolean; Boolean; Boolean) public Prepares field names for export with optional uppercase conversion and strict SQL (Structured Query Language)-safe naming.
(Inherited from TGIS_LayerVector)
PrepareForExport public Prepares layer for export.
(Inherited from TGIS_Layer)
PrepareParams public Prepares cached rendering parameters for internal use.
(Inherited from TGIS_Layer)
prepareParamsCache protected Prepares the cached section list for rendering.
(Inherited from TGIS_Layer)
prepareParamsCache(String) protected Prepares the cached section list for the specified style.
(Inherited from TGIS_Layer)
prepareRender protected Compute rendering colors and sizes for a shape using automatic renderer rules.
(Inherited from TGIS_LayerVector)
PreRecognize public Checks if the layer can read the file.
(Overrides TGIS_Layer.PreRecognize)
Project public Applies a projection on the single point.
(Inherited from TGIS_Layer)
Project3D public Applies a projection on the single point in 3D.
(Inherited from TGIS_Layer)
Project3D_Ref public Applies projection to a single 3D point.
(Inherited from TGIS_Layer)
ProjectExtent public Applies a projection on the extent.
(Inherited from TGIS_Layer)
Project_Ref public Applies projection to a single point.
(Inherited from TGIS_Layer)
queueFlash protected Add a shape to the flash queue used for temporary visual highlighting.
(Inherited from TGIS_LayerVector)
RaiseBusyEvent public Fires Busy event of the layer.
(Inherited from TGIS_Layer)
RaiseBusyPrepare public Fires BusyPrepare method of the assigned viewer.
(Inherited from TGIS_Layer)
RaiseBusyRelease public Fires BusyRelease method of the assigned viewer.
(Inherited from TGIS_Layer)
RaiseBusyShake public Fires BusyShake method of the assigned viewer.
(Inherited from TGIS_Layer)
ReadConfig public Reads the layer configuration files.
(Inherited from TGIS_Layer)
ReadConfigParam public Reads a layer configuration parameter.
(Inherited from TGIS_Layer)
ReadFieldDefinition public Read the layer field-definition file and rebuild the field schema.
(Inherited from TGIS_LayerVector)
ReadFieldRules public Load field validation rules and related constraints from the FLD rules file associated with the layer.
(Inherited from TGIS_LayerVector)
RecalcExtent public Recalculates the layer extent from the shapes currently considered by the layer.
(Inherited from TGIS_LayerVector)
RecalcProjectedExtent public Recalculates the projected extent.
(Inherited from TGIS_Layer)
releaseFlash protected Remove a shape from the flash queue used for temporary visual highlighting.
(Inherited from TGIS_LayerVector)
removeCandidate protected Remove a shape from the current cursor candidate list.
(Inherited from TGIS_LayerVector)
RenameField public Renames an existing field and can update its width and decimal settings.
(Inherited from TGIS_LayerVector)
ReOpen public Reopens the layer.
(Inherited from TGIS_Layer)
ReorderShapeUids public Rebuild shape UIDs to restore ascending consecutive order after the Items list has been reordered.
(Inherited from TGIS_LayerVector)
RereadConfig public Rereads the layer configuration files.
(Inherited from TGIS_Layer)
resetMustReproject protected Resets the MustReproject state.
(Inherited from TGIS_Layer)
Revert public Reverts a single shape to its last saved state, undoing pending geometry and attribute edits for that shape.
(Inherited from TGIS_LayerVector)
RevertAll public
(Inherited from TGIS_LayerVector)
RevertShapes public Reverts all shapes in the layer to their last saved state and discards all pending shape-level edits.
(Inherited from TGIS_LayerVector)
RootLayer public Returns the absolute parent layer.
(Inherited from TGIS_Layer)
SaveAll public Saves the layer and destroys mirrored items.
(Inherited from TGIS_Layer)
SaveData public Saves layer and destroys mirrored items.
(Overrides TGIS_LayerVector.SaveData)
SaveFieldRules public Save field validation rules and related constraints to the FLD rules file associated with the layer.
(Inherited from TGIS_LayerVector)
SetCSByEPSG public Sets the coordinate system using an EPSG code.
(Inherited from TGIS_Layer)
SetCSByWKT public Sets the coordinate system from a WKT (Well-Known Text) string containing a GEOGCS or PROJCS definition.
(Inherited from TGIS_Layer)
SetCSByWKTFile public Sets the coordinate system from a file containing a WKT (Well-Known Text) string, such as a Shapefile .PRJ file.
(Inherited from TGIS_Layer)
setUp protected Performs the first general layer setup step.
(Overrides TGIS_LayerVector.setUp)
setUp2 protected
(Inherited from TGIS_LayerVector)
setUp3 protected
(Inherited from TGIS_LayerVector)
setUpAsync protected Performs the first general layer setup step asynchronously.
(Inherited from TGIS_Layer)
storeConfigOptions protected
(Inherited from TGIS_LayerVector)
transformExtent protected Transforms an extent using the custom transformation.
(Inherited from TGIS_Layer)
Unlock public Unlocks the layer from burst-mode operation.
(Inherited from TGIS_Layer)
unlockRender protected Release the rendering lock acquired by lockRender().
(Inherited from TGIS_LayerVector)
UnlockRenderInternal public Unlock layer rendering and resume cache updates after batch operations.
(Inherited from TGIS_LayerVector)
unlockThread protected Unlocks the layer thread.
(Inherited from TGIS_Layer)
UnprepareForExport public Finalizes export initialized with PrepareForExport.
(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 to a single 3D point.
(Inherited from TGIS_Layer)
Unproject3D_Ref public Applies reverse projection to a single 3D point.
(Inherited from TGIS_Layer)
UnprojectExtent public Applies reverse projection (recovers from the projection) on the extent.
(Inherited from TGIS_Layer)
Unproject_Ref public Applies reverse projection to a single point.
(Inherited from TGIS_Layer)
ViewerReParent public Sets the viewer for the layer and its sublayers.
(Inherited from TGIS_Layer)
WriteConfig public Writes the layer configuration files.
(Inherited from TGIS_Layer)
WriteShapeDirect public Writes a shape directly to persistent storage without adding it to the in-memory layer collection.
(Inherited from TGIS_LayerVector)

Properties

Inherited Protected
Name Visibility Description
Active public True if the layer is visible and can be localized.
(Inherited from TGIS_Layer)
Addition public Additional blending value.
(Inherited from TGIS_Layer)
Age public Time elapsed since the layer was created.
(Inherited from TGIS_Layer)
Basemap public True if the layer must be treated as a basemap for background painting.
(Inherited from TGIS_Layer)
BasemapDraw public True if the layer is currently being drawn in a basemap thread.
(Inherited from TGIS_Layer)
BlockRTree public Blocks use of the R-Tree spatial index for this layer even when UseRTree is enabled.
(Inherited from TGIS_LayerVector)
CachedPaint public False if the layer must be painted directly, bypassing the cache.
(Inherited from TGIS_Layer)
Caption public Layer caption; if not assigned directly, it will be filled with Name when the layer is added to the viewer.
(Inherited from TGIS_Layer)
CodePage public Code page used to store text.
(Inherited from TGIS_Layer)
Collapsed public True if the layer is collapsed in the legend, meaning only the layer title is visible.
(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 Reference System (CRS) assigned to the layer.
(Inherited from TGIS_Layer)
CustomData public List of custom, user-defined data saved to and restored from config and project files.
(Inherited from TGIS_Layer)
DefaultDimension public Default coordinate dimensionality used by CreateShape when no explicit dimension is provided.
(Inherited from TGIS_LayerVector)
DefaultShapeType public Default geometry type used by CreateShape when no explicit shape type is provided.
(Inherited from TGIS_LayerVector)
DirectMode public True if the layer is direct-mode (bypassing cache).
(Inherited from TGIS_Layer)
DormantMode public Memory-management mode for the layer.
(Inherited from TGIS_Layer)
Driver public The layer's driver name.
(Inherited from TGIS_Layer)
DynamicAggregator public Dynamic aggregation processor used to cluster, bin, or otherwise aggregate shapes during rendering of large vector datasets.
(Inherited from TGIS_LayerVector)
ExportType public Controls the LandXML export category used for shape geometry.
Extent public Extent of the layer.
(Inherited from TGIS_Layer)
Extent3D public Three-dimensional extent of the layer.
(Inherited from TGIS_Layer)
Fields public Collection of attribute field definitions for shapes stored in the vector layer.
(Inherited from TGIS_LayerVector)
FieldsVirtual public Collection of virtual field definitions generated by the framework for computed or synthetic attribute values.
(Inherited from TGIS_LayerVector)
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)
GUID public Unique layer identifier.
(Inherited from TGIS_Layer)
HideFromLegend public False if the layer should not be visible in the legend.
(Inherited from TGIS_Layer)
Icon public Layer icon presented in the legend.
(Inherited from TGIS_Layer)
IgnoreShapeParams public Forces uniform layer-level rendering style and ignores per-shape rendering parameter overrides.
(Inherited from TGIS_LayerVector)
InMemoryRTree public Controls whether the layer uses an in-memory R-Tree spatial index instead of a file-based one.
(Inherited from TGIS_LayerVector)
InPaint public True while the layer is being painted.
(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)
IsModified public True if structure (field, geometry etc) was modified.
(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 In-memory collection of editable shapes pending persistence to the underlying layer storage.
(Inherited from TGIS_LayerVector)
JoinADO public ADO query object or recordset to be joined with the layer.
(Inherited from TGIS_LayerVector)
JoinCodePage public Code page used to decode text fields from JoinADO or JoinDB external data sources.
(Inherited from TGIS_LayerVector)
JoinDB public Dataset to be joined with the layer as an external attribute source.
(Inherited from TGIS_LayerVector)
JoinForeign public Foreign key field from the external join source used to match records with JoinPrimary.
(Inherited from TGIS_LayerVector)
JoinJDBC public JDBC ResultSet containing external query rows to be joined with the layer.
(Inherited from TGIS_LayerVector)
JoinJDBCQuery public JDBC query text used to retrieve external rows for joining with the layer.
(Inherited from TGIS_LayerVector)
JoinPrimary public Primary key field from the layer's attribute table used to match external records through JoinForeign.
(Inherited from TGIS_LayerVector)
LabelingMode public Labeling mode capability flag for the layer.
(Inherited from TGIS_LayerVector)
Layer3D public Mode of 3D layer operations.
(Inherited from TGIS_Layer)
MaxTileSize public Maximum allowed tile size for the layer.
(Inherited from TGIS_Layer)
MultipassRendering public Forces multi-pass rendering instead of single-pass optimization to preserve rendering order and improve output quality for complex symbol layers.
(Inherited from TGIS_LayerVector)
MultiUserMode public Multiuser access mode for the layer.
(Inherited from TGIS_Layer)
Name public Layer name.
(Inherited from TGIS_Layer)
OverlappedExtentMargin public Overlap margin applied to the layer extent.
(Inherited from TGIS_Layer)
Params public Returns the vector rendering parameters object for the layer.
(Inherited from TGIS_LayerVector)
ParamsList public List of all parameter sections attached to the current layer.
(Inherited from TGIS_Layer)
ParentLayer public Parent layer of a sublayer.
(Inherited from TGIS_Layer)
Path public Path to file holding the layer's data.
(Inherited from TGIS_Layer)
PathFLD public File path of the FLD field-definition file associated with the layer.
(Inherited from TGIS_LayerVector)
PathFLDX public File path of the FLDX field-rules file associated with the layer.
(Inherited from TGIS_LayerVector)
PathRTree public File path of the layer R-Tree spatial index file, if one is used.
(Inherited from TGIS_LayerVector)
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 R-Tree spatial index object used by the layer for accelerated extent-based shape queries.
(Inherited from TGIS_LayerVector)
Scope public SQL (Structured Query Language) WHERE clause used as a persistent attribute filter for shapes in the layer.
(Inherited from TGIS_LayerVector)
ScopeExtent public Spatial extent filter used as a persistent scope for shapes in the layer.
(Inherited from TGIS_LayerVector)
SelectedList public Read-only list of unique identifiers (UIDs) for all currently selected shapes in the layer.
(Inherited from TGIS_LayerVector)
SelectionGisColor public Selection highlight color used when UseLayerSelectionStyle is True.
(Inherited from TGIS_LayerVector)
SelectionOutlineOnly public Controls whether selected polygons are rendered with outline only when layer-specific selection styling is enabled.
(Inherited from TGIS_LayerVector)
SelectionWidth public Selection outline thickness where values greater than zero are in twips and values less than zero are absolute pixels.
(Inherited from TGIS_LayerVector)
Statistics public Layer statistics engine.
(Inherited from TGIS_Layer)
Stream public Stream providing layer data as an alternative to reading from the file specified by Path.
(Inherited from TGIS_Layer)
SubLayers public List of sublayers belonging to the layer.
(Inherited from TGIS_Layer)
SubType public Subtype flags describing the layer role within a layer hierarchy.
(Inherited from TGIS_Layer)
SupportedDimensions public Set of supported coordinate dimensionalities (2D, 3D, or 4D).
(Inherited from TGIS_LayerVector)
SupportedShapes public Set of geometry types supported by this vector layer (Point, Arc/Line, Polygon, or multi-part variants).
(Inherited from TGIS_LayerVector)
SupportedShapesAll public Extended set of supported geometry types, including SupportedShapes and any temporary types exposed by the active DynamicAggregator.
(Inherited from TGIS_LayerVector)
SupportsAsync public Indicates whether the layer implements asynchronous operations.
(Inherited from TGIS_Layer)
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 capability flag for the layer.
(Inherited from TGIS_LayerVector)
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)
Tileable public True if the layer is currently being printed or exported using tiles.
(Inherited from TGIS_Layer)
TiledDrawMode public Indicates whether the layer is currently being drawn by the tiler.
(Inherited from TGIS_Layer)
Transform public Custom coordinate transformation applied to the layer.
(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 the configuration file is active.
(Inherited from TGIS_Layer)
UseLayerSelectionStyle public Enables layer-specific selection styling instead of using the viewer's global selection appearance.
(Inherited from TGIS_LayerVector)
UserObject public Associates a user-defined object with the layer.
(Inherited from TGIS_Layer)
UseRTree public Enables or disables R-Tree spatial indexing for shape queries in the vector layer.
(Inherited from TGIS_LayerVector)
UseShapeStyleField public Enables attribute-driven rendering style selection for shapes based on a style field value instead of uniform layer parameters.
(Inherited from TGIS_LayerVector)
Viewer public Reference to the viewer that owns or displays this layer.
(Inherited from TGIS_Layer)
ZOrder public Layer position relative to all other layers.
(Inherited from TGIS_Layer)
ZOrderEx public Layer position relative to other visible layers.
(Inherited from TGIS_Layer)

Remarks

Supported features

  • Surfaces
  • Contours
  • Breaklines
  • Watersheds
  • CgPoints
  • Monuments
  • Parcels
  • Alignments
  • PlanFeatures
  • PipeNetworks
  • Structures

Export of LandXML features

  • CgPoints
  • Contours
  • PlanFeatures
  • Alignments
  • Parcels
  • Surfaces

The ExportType property defines a type of exported feature (D is the default) from a shape geometry:

  • Point - CgPoints (D)
  • Arc - Alignments (D), Contours or PlanFeatures
  • Polygon - Parcels (D)
  • MultiPatch - TIN Surface (D) or Parcels

2026/07/11 00:31

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