The majority of formats require the same two steps for visualization on a GXY view. To visualize NVG data:
-
Decode the data into an
ILcdModel
using anILcdModelDecoder
. -
Create an
ILcdGXYLayer
for theILcdModel
and add it to theILcdGXYView
.
//First create the model
ILcdModelDecoder decoder =
new TLcdCompositeModelDecoder(TLcdServiceLoader.getInstance(ILcdModelDecoder.class));
ILcdModel model = decoder.decode("Data/NVG/NVG15/sample.nvg");
//Create a layer for the model using the available layer factory
ILcdGXYLayer layer = new TLcdNVGGXYLayerFactory().createGXYLayer(model);
//Wrap the layer with an async layer wrapper to ensure
//that the view remains responsive while data is being painted
layer = ILcdGXYAsynchronousLayerWrapper.create(layer);
//Add the async layer to the GXY view (an ILcdGXYView)
view.addGXYLayer(layer);
This results in a NVG layer with default styling. See Visualizing Vector Data for more information about visualizing and styling vector data.
This code snippet uses the The model decoder class that is actually responsible for decoding NVG data is the
|