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The TMS WebGMaps v3.1 update includes map styles and SVG markers

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Monday, April 29, 2019

We're pleased to announce TMS WebGMaps v3.1 has been released today. TMS VCL WebGMaps is our component for VCL development that exposes a myriad of geographical functions for integration in Delphi or C++Builder Windows applications while TMS FMX WebGMaps offers the same functionality for cross-platform FireMonkey applications on Windows, Mac, iOS and Android.

In this new version we introduce the functionality to display the map in a custom style. You can use the pre-defined Night Mode style or any other custom style.



The code needed for this is just one line of code:

    WebGMaps1.MapOptions.MapStyle := mstNightMode;



The code needed for this is just two lines of code:

  WebGMaps1.MapOptions.CustomStyle.Text := '[JSON Object]';
  WebGMaps1.MapOptions.MapStyle := mstCustom;

Use the Google Maps Platform Styling Wizard as a quick way to generate your own JSON styling object.


Another new feature are SVG Markers. This technique allows to display markers with a custom shape based on a SVG path. Several pre-defined shapes are available as well as the possibility to add your own custom SVG path.



Adding markers with a custom shape is very easy as this code snippet shows:

var
  m: TMarker;
begin
  m := WebGMaps1.Markers.Add(WebGMaps1.MapOptions.DefaultLatitude, WebGMaps1.MapOptions.DefaultLongitude);
  m.Shape := msStar;
  m.ShapeColor := clYellow;
  m.ShapeScale := 2;
  WebGMaps1.UpdateMapMarker(m);

  m := WebGMaps1.Markers.Add(WebGMaps1.MapOptions.DefaultLatitude + 0.1, WebGMaps1.MapOptions.DefaultLongitude - 0.1);
  m.Shape := msStar;
  m.ShapeColor := clYellow;
  WebGMaps1.UpdateMapMarker(m);

  m := WebGMaps1.Markers.Add(WebGMaps1.MapOptions.DefaultLatitude - 0.1, WebGMaps1.MapOptions.DefaultLongitude - 0.1);
  m.Shape := msFavorite;
  WebGMaps1.UpdateMapMarker(m);

  m := WebGMaps1.Markers.Add(WebGMaps1.MapOptions.DefaultLatitude + 0.1, WebGMaps1.MapOptions.DefaultLongitude + 0.1);
  m.Shape := msHome;
  m.ShapeColor := clSkyBlue;
  m.ShapeScale := 2;
  WebGMaps1.UpdateMapMarker(m);
end;

Today's update also includes other smaller new features and improvements.
We look forward to learn about your interesting integrations of TMS WebGMaps in your applications!

Bart Holvoet


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