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api:dk11:activex:tatukgis_xdk11.itgis_viewerwnd

ITGIS_ViewerWnd interface

DK11 for ActiveX | TatukGIS_XDK11.ITGIS_ViewerWnd | Interfaces | Methods | Properties

Main visual control responsible for map presentation on window.

Available also on: Delphi FMX | .NET WinForms | Java | ActiveX.

Syntax

// C#
public interface ITGIS_ViewerWnd: ITBaseObject
{
}
' VisualBasic
Public Interface ITGIS_ViewerWnd
  Implements ITBaseObject
End Class
// Oxygene
type
  ITGIS_ViewerWnd = public interface( ITBaseObject )
  end;

Implements

Methods

Inherited Overrides Protected
Name Visibility Description
Add public Add a layer to the Viewer.
AddHierarchy public Read hierarchy and build groups with layers.
AttachDelphiObj public Only for internal use of TatukGIS.
(Inherited from ITBaseObject)
AttachLayer public Attach layer to the viewer by re-parenting.
BeginPaintInternal public Notify viewer about entering of a paint mode.
BusyPrepare public Prepare BusyEvent for long-term operation.
BusyRelease public Release Busy state.
BusyShake public Shake Busy state.
CenterViewport public Set viewport to the vale when _ptg will be visible on the center of the screen.
ChangeHash public Change hash.
Close public Close a project.
ControlAutoCenterViewport public Move the screen origin of the map by delta values.
ControlCanvasHeight public Get canvas height.
ControlCanvasScale public Get canvas scale.
ControlCanvasWidth public Get canvas width.
ControlClose public Notify control that is map is going to be closed.
ControlDrawTexture public Draw texture.
ControlDrawTexture_2 public Draw texture.
ControlFlash public Do flash.
ControlHourglassHide public Do Hourglass hide.
ControlHourglassShake public Do Hourglass shake.
ControlHourglassShow public Do Hourglass show.
ControlProcessMessages public Do process messages.
ControlRaiseEditorChangeEvent public Raise event on editor change.
ControlRenderer public Get renderer instance.
ControlRepaint public Repaint control.
ControlSet3DMode public Set current 3D mode.
ControlSystemPPI public Get system PPI.
ControlUpdateEditor public Update the editor.
ControlUpdateProgressive public Progressive update.
ControlUpdateSelection public Update Selection layer.
ControlUpdateSynchronize public Wait for pending paint operation to be finalized.
ControlUpdateTopmost public Update Topmost layer.
ControlUpdateWholeMap public Update whole map.
Delete public Delete the layer identified by a name.
DelphiObj public Only for internal use of TatukGIS.
(Inherited from ITBaseObject)
Draw public Draw all layers on a current renderer.
EndPaintInternal public Notify viewer about leaving of a paint mode.
FullExtent public Calculate the screen origin, zoom, and viewport to place the whole map in the window.
FullExtentZoom public Calculates a zoom which places the whole map inside the window
Get public Retrieve the layer identified by a name.
GetCacheBitmap public Return a copy of last cache bitmap.
GetGrid public Fills provided _grid array with values defined by _extent.
GetRenderContext public Return current context object.
GetViewer public Get internal viewer handle.
HourglassActive public Test is hourglass is active.
HourglassPrepare public Prepare Hourglass cursor for timely operation.
HourglassRelease public Release Hourglass.
HourglassRestart public Restart hourglass timing used for progressive updates.
HourglassShake public Shake Hourglass.
Interrupt public Will terminate timely operation as soon as possible.
InvalidateEditor public Invalidate editor.
InvalidateExtent public Invalidate an extent for full map redraw
InvalidateExtent_2 public Invalidate an extent.
InvalidateSelection public Invalidate selection.
InvalidateTopmost public Invalidate only topmost layers.
InvalidateWholeMap public Invalidate whole map.
Locate public Locate a shape that is near _ptg, but is closer than _prec distance.
LocateEx public Locate shapes on layers that are near _ptg, but closer than _prec distance.
Locate_2 public Locate a shape that is near _ptg, but is closer than _prec distance.
Locate_3 public Locate a shape that is near _pt, but is closer than _prec distance.
Lock public Lock viewer.
MapToScreen public Converts point coordinates from map related to screen related.
MapToScreen3D public Converts 3D point coordinates from map related to screen related.
MapToScreenEx public Converts point coordinates from map related to screen related, but result will be in TGIS_Point.
MapToScreenRect public Converts rectangle coordinates from map related to screen related.
MarkModified public Mark viewer upon some modifications.
MoveViewport public Move the screen origin of the map by delta values.
MoveViewportEx public Move the screen origin of the map by delta values.
MustSave public Check if any layer or the project file was modified by editing.
NotifySubscribers public Send notification to subscribers.
Open public Open project.
OpenEx public Open project file from the memory.
OpenEx_2 public Open project file from the memory.
Open_2 public Open project.
PixelsToTwips public Convert size from device dependent pixels to device independent Twips (1/1440 inch).
Print public Print the current viewer content on a bitmap using the default printer.
PrintBmp public Print the current content on a bitmap.
PrintBmp_2 public Print the current content on a bitmap.
PrintClipboard public Print the current view to the clipboard.
PrintClipboard_2 public Print the current view to the clipboard.
Print_2 public Print the current viewer content on a bitmap using the given printer.
RaiseBusyEvent public Fire Busy event of a viewer.
RaiseHelpEvent public Fire Busy event of a viewer.
ReadConfig public Read all configuration data from project.
RecalcExtent public Calculates a common extent.
Reposition public Reposition the map within the component window.
RereadConfig public Reread all configuration data from project and layer configuration files.
RestorePaintState public Restore and free the current paint state.
RevertAll public Revert all layers to a file-based original.
RotatedExtent public Compute extent (encompassing area of the extent) after the viewer rotation.
RotatedPoint public Compute position of the point after the viewer rotation.
RotatedPoint3D public Compute position of the 3D point after the viewer rotation.
RotatedPoint3D_ref public Compute position of the 3D point after the viewer rotation.
SaveAll public Save all layers (parameters and data)
SaveData public Save all changes to the data.
SaveProject public Save current project.
SaveProjectAs public Save current project under new name.
SaveProjectAsEx public Save current project under new name.
SaveProjectAsEx_2 public Save current project under new name.
SaveProjectAs_2 public Save current project under new name.
SaveProject_2 public Save current project.
ScreenToMap public Converts point coordinates from screen related to map related.
ScreenToMap3D public Converts point coordinates from screen related to map related.
ScreenToMapEx public Converts point coordinates from screen related to map related, but source will be in TGIS_Point.
ScreenToMapRect public Converts rectangle coordinates from screen related to map related.
SetCSByEPSG public Setup Coordinate System to a coordinate system provided by EPSG code.
SetCSByWKT public Setup Coordinate System to a coordinate system provided by WKT string (GEOGCS or PROJCS).
SetCSByWKTFile public Setup Coordinate System to a coordinate system provided by file which contains WKT string (GEOGCS or PROJCS).
SetViewer public Set internal viewer handle.
SetViewport public Set viewport to a given position.
StorePaintState public Store the current paint state.
Subscribe public Add provided control to the notification subscription list.
SynchronizePaint public Wait for pending paint operation to be finalized.
TwipsToPixels public Convert the size from to device independent Twips (1/1440 inch) to device dependent pixels.
TwipsToPoints public Convert the size from to device independent Twips (1/1440 inch) to device points.
Unlock public Unlock viewer.
Unlock_2 public Unlock the viewer but do not redraw
UnrotatedExtent public Compute original extent of the rotated extent.
UnrotatedPoint public Compute original position of the rotated point.
UnrotatedPoint3D public Compute original position of the rotated 3D point.
UnrotatedPoint3D_ref public Compute original position of the rotated 3D point.
UnSubscribe public Remove provided control from the notification subscription list.
WaitForBackgroundProcesses public Wait for any pending background processes that must be finalized before app can continue.
WriteConfig public Write all configuration data to the project or layer ini file.
ZoomBy public Zoom the viewer.

Properties

Inherited Protected
Name Visibility Description
AutoCenter public If True, then the screen will be centered on click, edit, etc.
BigExtent public Map extent.
BigExtentMargin public Map extent margin.
BorderStyle public Border visibility.
BusyLevel public Level of current busy state.
BusyText public Text related to current busy state.
Center public Center the screen based on given point.
CenterPtg public Point on which Viewer will be centered during Zoom.
Copyright public Legal notice and product version.
CS public Coordinate System assigned to the viewer.
CursorFor3DSelect public Cursor for TGIS_Viewer3DMode.Select.
CursorForCameraPosition public Cursor for TGIS_Viewer3DMode.CameraPosition If not set (equal crDefault) then built-in cursor default for this Mode will be used.
CursorForCameraRotation public Cursor for TGIS_Viewer3DMode.CameraRotation.
CursorForCameraXY public Cursor for TGIS_Viewer3DMode.CameraXY.
CursorForCameraXYZ public Cursor for TGIS_Viewer3DMode.CameraXYZ.
CursorForCameraZoom public Cursor for TGIS_Viewer3DMode.Zoom.
CursorForDrag public Cursor for TGIS_ViewerMode.Drag mode (dragging a map within the component window).
CursorForEdit public Cursor for TGIS_ViewerMode.Edit mode (editing a feature on a map).
CursorForSelect public Cursor for TGIS_ViewerMode.Select mode (selecting items on a map).
CursorForSunPosition public Cursor for TGIS_Viewer3DMode.SunPosition.
CursorForUserDefined public Cursor for TGIS_ViewerMode.UserDefined mode.
CursorForZoom public Cursor for TGIS_ViewerMode.Zoom mode (zooming a map using a rubber-band rectangle).
CursorForZoomEx public Cursor for TGIS_ViewerMode.ZoomEx mode (zooming a map interactively).
CustomData public List of custom, user-defined data.
CustomPPI public Custom resolution in pixels-per-inch.
DelayedUpdate public Delayed update threshold in milliseconds.
Editor public Editor context.
Extent public Map extent.
FileCopyrights public List Copyrights
FontScale public Font magnifying factor in percents.
FullDrawExtent public Extent of full current/last drawing area including margin and w/o tiling.
Hierarchy public Hierarchy list.
IncrementalPaint public Is partial drawing to screen done in incremental mode?
InPaint public True if Viewer is busy in Paint procedure.
IsBusy public True if Viewer is busy.
IsEmpty public True if Viewer is empty (no layers).
IsLocked public True if Viewer is in locked state Lock.
IsTopmost public True if Viewer has a topmost layer.
Items public All layers.
KeepScale public True if a viewer should maintain scale upon resize.
LabelsReg public Labels position allocator object.
MinZoomSize public Minimal size of the zooming rectangle.
Mode public Mode of reaction to mouse events.
ModeMouseButton public Active button for Mode operations (dragging, selecting ...).
MultiUserMode public Multiuser mode.
OverlappedExtentMargin public Overlapped extent margin (in pixels).
PPI public Rendering resolution in pixels-per-inch.
ProgressiveUpdate public Progressive update threshold in milliseconds.
ProjectFile public Project file itself as opened in Open procedure.
ProjectName public Project file name as opened in Open procedure.
Renderer public Currently operating renderer.
RestrictedDrag public If true, then you can not drag outside the map Extent.
RestrictedExtent public Restricted Map extent.
RotationAngle public Angle of viewer rotation in radians.
RotationPoint public Point of viewer rotation in map units.
Scale public Setting up and reading the scale factor.
ScaleAsFloat public Setting up and reading the scale factor.
ScaleAsText public Setting up and reading the scale factor as text in format '1:10000'.
SelectionColor public Color used for selecting object.
SelectionGisColor public Color used for selecting object.
SelectionOutlineOnly public If true then polygons will be marked only with outline not a full fill.
SelectionTransparency public Transparency value for selection; if 100 SelectionGisColor will not be transparent.
SelectionWidth public Outline width of selection area (>0 in twips, <0 in pixels).
SystemPPI public System resolution in pixels-per-inch.
TemporaryScaleInternal public Used to force rendering in a different scale then actual.
TemporaryVisibleExtent public Used to force rendering labels while drawing with tiles.
UponDestroy public True if viewer is upon destruction so some operations (like screen updates) should not be performed
UseAnimations public True if animation upon zooming are allowed.
UseHelp public True if Help Event should be used.
UseRTree public True if RTree will be used by default upon creation of any layer.
View3D public 3D state; If set to true them Viewer is in a 3D mode.
Viewer3D public 3D Viewer object.
ViewerParent public Parent for the current IGIS_Viewer object.
Viewport public Setting an upper left corner position of the components window within the map.
VisibleExtent public Extent of the map that is visible in the window.
Zoom public Setting up and reading the related zoom factor.
ZoomEx public Setting up and reading the absolute zoom factor.

Remarks

For bitmap output see TGIS_ViewerBmp class.

Available metadata keys:

Metadata Values Default Description
TGIS_ViewerWnd.Paint.NavigateFeedback.FullCache TRUE FALSE TRUE If true then all labels, selections, and topmost layers will be visible upon scaling, dragging etc.
TGIS_ViewerWnd.Paint.Progressive.Transparency 0..100 60 Long-term operations will be drawn as semitransparent.
TGIS_ViewerWnd.Paint.Progressive.FullCache TRUE FALSE TRUE If true then long-term operations will be drawn behind last cached view.
TGIS_ViewerWnd.Paint.Direct2D.Full TRUE FALSE TRUE If true then drawing does not use Vcl bitmaps for caching.
TGIS_ViewerWnd.Paint.Topmost.LabelsOnTop TRUE FALSE FALSE If true then for topmost layers labels are drawn on top.

2020/08/28 16:55

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