topic Re: GraphicalOverlay and DictionaryRenderer and primitives (like polyline) in Qt Maps SDK Questions

GraphicalOverlay and DictionaryRenderer and primitives (like polyline)

NorbertThoden — Mon, 06 Mar 2017 19:06:32 GMT

Hi!

I have a GraphicalOverlay.

Is it ok to a) assign a DictionaryRenderer (Mil2525D) to it and b) add graphics (consisting of a geometry and a symbol)?

Or are there any reason forcing us to use seperate GraphicalOverlays for the different context?

Is the also answer true for any RenderingMode (static, dynamic)?

thx

Norbert

Re: GraphicalOverlay and DictionaryRenderer and primitives (like polyline)

LukeSmallwood — Wed, 08 Mar 2017 12:09:03 GMT

Hi Norbert,

I haven't tried out the code you are suggesting but hopefully I can answer your questions.

You should be able to have a GraphicsOverlay with a DictionaryRenderer and then assign individual graphics with their own symbols/geometries: Graphics can have their own individual symbols with no renderer needed on the overlay.

Generally speaking, we would advise that you have one overlay per geometry type and use a renderer for performance reasons. Separation of graphics overlays can also help make it easier to manage and organise the graphics but that is not essential.

I believe both static and dynamic should work in similar fashion.

I hope that helps - let me know if you need further clarification of anything.

Luke

Re: GraphicalOverlay and DictionaryRenderer and primitives (like polyline)

NorbertThoden — Thu, 09 Mar 2017 12:40:09 GMT

Hi Luke!

Thank you for your quick response.

Norbert