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Aspose.GIS for .NET
TopoJSON

Convert KML to TopoJSON in C#

Export KML to TopoJSON using server side APIs, without needing softwares like ArcGIS, ArcMap, QGIS or Google Earth.

 

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Overview

How to Convert KML to TopoJSON Using C#

In order to convert KML to TopoJSON, we’ll use

Aspose.GIS for .NET

API which is a feature-rich, powerful and easy to use GIS API for C# platform. Open

NuGet

package manager, search for Aspose.GIS and install. You may also use the following command from the Package Manager Console.

Command


PM> Install-Package Aspose.GIS

Steps for converting KML to TopoJSON in C#

Conversion can be done with just one line of code while using VectorLayer.Convert method. It takes 4 parameters as detailed below.

  1. A string type file path to the source KML file
  2. Source driver to let the API know about the input format. Set it to Drivers.Kml
  3. The string type file path to the destination TopoJSON data file
  4. Destination driver to specify output format. Set it to Drivers.TopoJson

System Requirements

Our APIs are supported on all major platforms and Operating Systems. Before executing the code below, please make sure that you have the following prerequisites on your system.

 

Save KML as TopoJSON - C#

 

    • KML to TopoJSON Live Demos

    Convert KML to TopoJSON right now by visiting our Live Demos website . The live demo has the following benefits

      No need to download Aspose GIS API.
      Just Select TopoJSON as output format and.
      Upload your KML file, it will be converted instantly to TopoJSON.
      You will get the download link.

    .NET GIS Library

    Aspose.GIS for .NET is a GIS data manipulation and conversion API. It fully supports reading, writing and converting famous GIS data formats such as ESRI Shapefiles, GeoJSON, TopoJSON, ESRI Geodatabase, Geography Markup Language, Google Earth, GPS Exchange Format, MapInfo Formats and OpenStreetMap. It is a standalone .NET based API and does not require any GIS based softwares like ArcGIS / ArcMap, QGIS etc.

    KML What is KML File Format?

    KML (Keyhole Markup Language) contains geospatial information in XML notation. KML can be opened in Geographic Information System (GIS) applications provided they support it. Many applications have started providing support for KML format after it has been adopted as international standard.

    Read More

    TopoJSON What is TopoJSON File Format?

    TopoJSON is a GeoJSON extension that encodes topology. JSON based format designed to represent the geographical features with their non-spatial attributes. This format defines different JSON (JavaScript Object Notation) objects and their joining fashion. JSON format represents a collective information about the Geographical features, their spatial extents, and properties.

    Read More

    Other Supported Conversions

    You can also convert KML into many other file formats including few listed below.

    KML TO GeoJSON (GeoJSON)
    KML TO TopoJSON (TopoJSON)
    KML TO GeoJSON (GeoJSON)
    KML TO SHP (ESRI SHP)
    KML TO Shapefile (ESRI Shapefile)
    KML TO CSV (Comma Separated Values)
    KML TO GPX (GPS Exchange)