Samples

This is a list of source code samples available for Developer Kernel 11 editions for all supported platforms.

A sample can be listed in more than one category.

Samples are distributed with DK setup files and are available on Github:

Alphabetic list

New

TopologyLayer	Demonstrates creation, editing, validation, and hierarchy management of topology layer projects using the TatukGIS topology framework.
WindAnimation	WindAnimation — demonstrates real-time animated wind visualization.
DebugVisualizer	DebugVisualizer — IDE integration for visualizing TatukGIS shapes in the debugger.
AIModelRunner	Sample app for running Python-driven AI Models on TatukGIS Viewer/Layer.

Basic usage

AddLayer	AddLayer sample — demonstrates dynamic layer addition and visual parameter configuration.
Hello.NetCore	HelloDK.NetCore sample — introductory demonstration of core TatukGIS DK workflows on .NET Core (C#/.NET WinForms).
HelloDK	HelloDK - TatukGIS Developer Kernel introductory sample demonstrating core GIS workflows including data loading, layer management, and interactive visualization.
Locate	Locate Sample — Demonstrates feature identification and location by finding shapes at the cursor position using spatial queries and pixel-to-coordinate conversion.
Zooming	Zooming Sample - Interactive map navigation using mouse wheel zoom, drag-select zoom region, and switching between zoom and pan modes.

Viewer

CGMViewer	CGMViewer sample — demonstrates rendering CGM (Computer Graphics Metafile) symbol files (Delphi/VCL).
Enumerators	Enumerators sample — demonstrates spatial iteration using TGIS_LayerVector.Loop() enumerators.
Legend	Legend Sample - Demonstrates adding and integrating legend controls to display map layer properties and styling information.
Locate	Locate Sample — Demonstrates feature identification and location by finding shapes at the cursor position using spatial queries and pixel-to-coordinate conversion.
MiniMap	MiniMap sample — demonstrates creating a synchronized overview/minimap window (Delphi/VCL).
Projections	Projections Sample
Renderer	Renderer sample — demonstrates how to load and display a TatukGIS project file that has been pre-configured with custom rendering rules.
Rotation	Rotation Sample — Demonstrates interactive map rotation around a user-defined point.
ShowHint	Hints properties window } unit frmHint;
SimpleEdit	How to provide editing functionality.
TwoWindows	TwoWindows sample — demonstrates synchronized, two-window display of the same map (Delphi/VCL).
Viewer	CGMViewer sample — demonstrates rendering CGM (Computer Graphics Metafile) symbol files (Delphi/VCL).
ViewerLite	ViewerLite Sample - Minimal lightweight map viewer application for displaying GIS data, available for mobile platforms (FMX, WPF, MAUI).
WKT	WKT Sample — Demonstrates parsing and visualization of Well-Known Text (WKT) geometry representations using TGIS_Utils.GisCreateShapeFromWKT.
Zooming	Zooming Sample - Interactive map navigation using mouse wheel zoom, drag-select zoom region, and switching between zoom and pan modes.

Layer operations

AddLayer	AddLayer sample — demonstrates dynamic layer addition and visual parameter configuration.
BitmapFill	BitmapFill sample - demonstrates per-shape bitmap fill using a custom PaintShapeEvent callback.
CGMViewer	CGMViewer sample — demonstrates rendering CGM (Computer Graphics Metafile) symbol files (Delphi/VCL).
CustomPaint	CustomPaint sample — demonstrates custom drawing overlays using paint-hook mechanisms.
CuttingPolygon	CuttingPolygon sample — demonstrates how to clip a raster (pixel) layer's rendering to within an arbitrary polygon boundary using TGIS_LayerPixel.CuttingPolygon.
DemOperations	DemOperations sample - demonstrates terrain analysis derived from a DEM raster.
DirectWrite	DirectWrite sample — demonstrates five sequential low-level write techniques on TGIS_LayerSHP: Build (AddShape loop + SaveData), ImportLayerEx (spatial CONTAINS filter), MergeLayerEx (DISJOINT filter), TGIS_LayerVectorDirectWriteHelper (sequential high-performance write), and TGIS_LayerVectorMergeHelper (batch-commit write). Buttons unlock in sequence; output files go into a numbered Shapes{n} directory.
DragLabel	DragLabel sample — demonstrates interactive draggable feature labels on maps.
Encode	Encode sample — demonstrates transparent layer encoding using read/write callbacks.
GridToVector	GridToVector sample - demonstrates raster-to-vector conversion using TGIS_GridToPolygon and TGIS_GridToPoint.
InMemory	InMemory sample — demonstrates creating and populating vector layers programmatically at runtime, without loading from files.
Interpolation	Interpolation Sample - How to generate a raster grid from vector point data using various spatial interpolation methods.
IsochroneMap	IsochroneMap Sample - Generates isochrone maps showing areas reachable from an origin point within specified time or distance limits.
LayerStatistics	LayerStatistics Sample — Demonstrates statistical computation on vector, grid (DEM), and raster (pixel/image) layers with predefined and custom statistical functions.
Pixel	Pixel - demonstrates how to open and display raster (pixel) layers using different rendering modes provided by TatukGIS.
PixelEdit	PixelEdit sample - demonstrates how to read and modify raster (pixel) layer data programmatically using TatukGIS.
PixelLocate	PixelLocate Sample — Demonstrates reading pixel values from raster layers and displaying pixel data including RGB colors and native channel values.
PixelOperations	PixelOperations sample — demonstrates basic raster pixel manipulation and analysis (Delphi/VCL).
RasterAlgebra	RasterAlgebra sample - demonstrates how to apply mathematical expressions to raster layers using TGIS_RasterAlgebra to produce derived pixel or grid outputs.
SimpleEdit	How to provide editing functionality.
Transform	Transform sample - Polynomial georeferencing of a raster image.
Viewshed	Viewshed sample — demonstrates line-of-sight terrain analysis using TGIS_Viewshed.

Shape operations

BitmapFill	BitmapFill sample - demonstrates per-shape bitmap fill using a custom PaintShapeEvent callback.
CustomPaint	CustomPaint sample — demonstrates custom drawing overlays using paint-hook mechanisms.
CuttingPolygon	CuttingPolygon sample — demonstrates how to clip a raster (pixel) layer's rendering to within an arbitrary polygon boundary using TGIS_LayerPixel.CuttingPolygon.
DragLabel	DragLabel sample — demonstrates interactive draggable feature labels on maps.
Enumerators	Enumerators sample — demonstrates spatial iteration using TGIS_LayerVector.Loop() enumerators.
FieldRules	FieldRules sample - Demonstrates field validation and constraint rules for attribute data entry and layer attribute integrity.
Grid	Grid Sample - How to manipulate grid (raster/DEM) layer presentation.
HelloDK	HelloDK - TatukGIS Developer Kernel introductory sample demonstrating core GIS workflows including data loading, layer management, and interactive visualization.
InMemory	InMemory sample — demonstrates creating and populating vector layers programmatically at runtime, without loading from files.
Locate	Locate Sample — Demonstrates feature identification and location by finding shapes at the cursor position using spatial queries and pixel-to-coordinate conversion.
MultiSelect	Multiselect Sample — Demonstrates multiple feature selection with different selection modes and displaying selected feature attributes in a list and attributes panel.
PixelEdit	PixelEdit sample - demonstrates how to read and modify raster (pixel) layer data programmatically using TatukGIS.
Relate	Relate Sample — Demonstrates computing spatial relations between two shapes using TGIS_Shape.Relate and DE-9IM (Dimensionally Extended 9-Intersection Model) predicates.
SelectByShape	SelectByShape sample - demonstrates how to select vector features by drawing an arbitrary shape (circle or rectangle) interactively on the map.
ShapeOperations	ShapeOperations sample - Interactive geometry transformation of vector shapes.
SimpleEdit	How to provide editing functionality.
TrackingTest	TrackingTest sample — demonstrates animated tracking of GPS-like movement (Delphi/VCL).
WKT	WKT Sample — Demonstrates parsing and visualization of Well-Known Text (WKT) geometry representations using TGIS_Utils.GisCreateShapeFromWKT.

Topology

Buffers1	Buffers1 sample — demonstrates spatial buffer operations for proximity analysis.
Buffers2	Buffers2 - Advanced buffer operation with spatial intersection query.
Relate	Relate Sample — Demonstrates computing spatial relations between two shapes using TGIS_Shape.Relate and DE-9IM (Dimensionally Extended 9-Intersection Model) predicates.
SplitByArc	SplitbyArc Sample — Demonstrates splitting polygon geometries using an interactively drawn line (arc) via TGIS_Topology.SplitByArc.
Topology	Topology Sample - Demonstrates polygon set-algebra operations using TGIS_Topology.
TopologyLayer	Demonstrates creation, editing, validation, and hierarchy management of topology layer projects using the TatukGIS topology framework.

GPS

GPSSimple	GPSSimple sample — demonstrates basic GPS data reception and display (Delphi/VCL).
GPSTracker	GPSTracker sample — demonstrates real-time GPS tracking and visualization (Delphi/VCL).
Snap	Snap Sample — Demonstrates point tracking and snap-to-geometry functionality for constraining moving objects to the nearest feature.

Geocoding & Routing

GeoCoding	GeoCoding Sample - Delphi VCL
OnlineServices	How to utilize TatukGIS online services (tiles, geocoding, routing and isochrone).
TigerGeocoding	How to provide Geocoding using name standardization } unit HelpForm;

Rendering

BitmapFill	BitmapFill sample - demonstrates per-shape bitmap fill using a custom PaintShapeEvent callback.
Classification	Classification sample — demonstrates thematic data classification of vector and raster (pixel) layers using the TatukGIS TGIS_ClassificationAbstract API.
CustomPaint	CustomPaint sample — demonstrates custom drawing overlays using paint-hook mechanisms.
DragLabel	DragLabel sample — demonstrates interactive draggable feature labels on maps.
DynamicAggregation	DynamicAggregation sample — demonstrates TGIS_DynamicAggregatorFactory for real-time point clustering on a GIS layer.
JoinAndChart	JoinAndChart sample — demonstrates attribute joining and proportional symbol charting.
PaintLabel	PaintLabel sample — demonstrates customizing label rendering and appearance (Delphi/VCL).
RotatedRect	RotatedRect sample — demonstrates custom drawing on the viewer canvas with rotation (Delphi/VCL).
Statistic	LayerStatistics Sample — Demonstrates statistical computation on vector, grid (DEM), and raster (pixel/image) layers with predefined and custom statistical functions.
WindAnimation	WindAnimation — demonstrates real-time animated wind visualization.

Analysis

BitmapFill	BitmapFill sample - demonstrates per-shape bitmap fill using a custom PaintShapeEvent callback.
DynamicAggregation	DynamicAggregation sample — demonstrates TGIS_DynamicAggregatorFactory for real-time point clustering on a GIS layer.
Hydrology	Hydrology Sample - Demonstrates hydrological analysis tools for terrain and water flow analysis using digital elevation models.
Interpolation	Interpolation Sample - How to generate a raster grid from vector point data using various spatial interpolation methods.
IsochroneMap	IsochroneMap Sample - Generates isochrone maps showing areas reachable from an origin point within specified time or distance limits.
JoinAndChart	JoinAndChart sample — demonstrates attribute joining and proportional symbol charting.
JoinAndRender	JoinAndRender sample — demonstrates attribute joining and data-driven feature styling.
LayerStatistics	LayerStatistics Sample — Demonstrates statistical computation on vector, grid (DEM), and raster (pixel/image) layers with predefined and custom statistical functions.
Pipeline	Pipeline sample — demonstrates scripted GIS operations using TGIS_Pipeline.
PixelEdit	PixelEdit sample - demonstrates how to read and modify raster (pixel) layer data programmatically using TatukGIS.
PixelFilters	PixelFilters sample - demonstrates how to apply image-processing filters to raster (pixel) layers using TatukGIS.
Statistic	LayerStatistics Sample — Demonstrates statistical computation on vector, grid (DEM), and raster (pixel/image) layers with predefined and custom statistical functions.
Triangulation	Triangulation Sample – Demonstrates Delaunay triangulation and Voronoi diagrams.
Viewshed	Viewshed sample — demonstrates line-of-sight terrain analysis using TGIS_Viewshed.

Conversion

any2any	Any2Any Sample - Command-line utility for converting vector layer data between different GIS file formats with automatic format detection.
GridToVector	GridToVector sample - demonstrates raster-to-vector conversion using TGIS_GridToPolygon and TGIS_GridToPoint.
Project2Sqlite	project2sqlite sample - Console-based converter for migrating TatukGIS project layers from shapefiles to SQLite database storage.
projectconvert	ProjectConvert Sample - Converts legacy TatukGIS project files from .ttkgp format to modern .ttkproject format with data preservation.
Reproject	Reproject sample — demonstrates coordinate system transformation and reprojection of geospatial data.
UDFLayerVector	UDFLayerVector sample — demonstrates User-Defined Format (UDF) custom layer implementation (Delphi/VCL).

Printing

PrintPdf	PrintPdf Sample — Demonstrates PDF output from map printing with custom page content and export to PDF format.
PrintPreview	PrintPreview sample — demonstrates print preview and printing maps with layout controls (Delphi/VCL).
SimpleEdit	How to provide editing functionality.
TemplatePrint	TemplatePrint Sample — Demonstrates template-based map printing using pre-defined print layouts with configurable map elements, legends, scale bars, and text.
Viewer	CGMViewer sample — demonstrates rendering CGM (Computer Graphics Metafile) symbol files (Delphi/VCL).

Components

DataSet	DataSet sample — demonstrates TGIS_DataSet as a live bridge between a GIS vector layer and a standard data-aware grid (TDBGrid).
Hierarchy	Hierarchy sample — demonstrates layer organization and grouping using TGIS_Hierarchy.
Languages	Languages sample — demonstrates adding multilanguage/localization support (Delphi/VCL).
Legend	Legend Sample - Demonstrates adding and integrating legend controls to display map layer properties and styling information.
MiniMap	MiniMap sample — demonstrates creating a synchronized overview/minimap window (Delphi/VCL).
PrintPreview	PrintPreview sample — demonstrates print preview and printing maps with layout controls (Delphi/VCL).

Custom events

DragLabel	DragLabel sample — demonstrates interactive draggable feature labels on maps.
InMemory	InMemory sample — demonstrates creating and populating vector layers programmatically at runtime, without loading from files.
PaintEvents	PaintEvents Sample — Demonstrates map rendering customization through paint event hooks that allow drawing custom graphics at different stages of the rendering pipeline.
PaintLabel	PaintLabel sample — demonstrates customizing label rendering and appearance (Delphi/VCL).
SimpleEdit	How to provide editing functionality.
TrackingTest	TrackingTest sample — demonstrates animated tracking of GPS-like movement (Delphi/VCL).

Changing attributes

Fields	Fields Sample - Demonstrates how to use field (attribute) properties of a layer.
Grid	Grid Sample - How to manipulate grid (raster/DEM) layer presentation.
SimpleEdit	How to provide editing functionality.
WKT	WKT Sample — Demonstrates parsing and visualization of Well-Known Text (WKT) geometry representations using TGIS_Utils.GisCreateShapeFromWKT.

Export/Import

any2any	Any2Any Sample - Command-line utility for converting vector layer data between different GIS file formats with automatic format detection.
ExportToImage	ExportToImage Sample - Demonstrates exporting raster layers and map views to various image formats (JPEG, PNG, TIFF, etc.) with customizable parameters.
Project2Sqlite	project2sqlite sample - Console-based converter for migrating TatukGIS project layers from shapefiles to SQLite database storage.
Reproject	Reproject sample — demonstrates coordinate system transformation and reprojection of geospatial data.

Data base operations

SQLLayer	SQLLayer Sample - Demonstrates how to open and display an SQL Layer using TatukGIS DK11.
SQLLayerAdvanced	SQLLayerAdvanced sample — demonstrates advanced SQL database layer operations and styling (Delphi/VCL).
SQLWizard	How to provide SQL Layer support.

Editing

CuttingPolygon	CuttingPolygon sample — demonstrates how to clip a raster (pixel) layer's rendering to within an arbitrary polygon boundary using TGIS_LayerPixel.CuttingPolygon.
SimpleEdit	How to provide editing functionality.

3D

BIMViewer	BIMViewer Sample — Demonstrates Building Information Model (BIM) visualization and IFC (Industry Foundation Classes) file import with 2D/3D viewing.
View3D	View3D Sample — Demonstrates 3D visualization of geospatial data including building models, textures, and 3D geometry manipulation.

Communication

ClientServer

ClientServer Sample - Demonstrates basic client-server GIS architecture with map rendering and network communication over TCP/IP.

Mobile

HelloDK	HelloDK - TatukGIS Developer Kernel introductory sample demonstrating core GIS workflows including data loading, layer management, and interactive visualization.
Measure	Measure sample — demonstrates interactive distance and area measurement on a map.
View3D	View3D Sample — Demonstrates 3D visualization of geospatial data including building models, textures, and 3D geometry manipulation.
ViewerLite	ViewerLite Sample - Minimal lightweight map viewer application for displaying GIS data, available for mobile platforms (FMX, WPF, MAUI).

Managers

SQLWizard	How to provide SQL Layer support.
WFSManager	How to provide WFS Layer support.
WMTSManager	WMTSManager Sample - Demonstrates WMTS (Web Map Tile Service) integration for querying servers, discovering tile sets, and adding web-based tile layers to maps.

AI

AIModelRunner

Sample app for running Python-driven AI Models on TatukGIS Viewer/Layer.

IDE Plugins

DebugVisualizer

DebugVisualizer — IDE integration for visualizing TatukGIS shapes in the debugger.

TatukGIS Developer Kernel

User Tools

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