public static List <TangramLayerGroup> ProcessLayers(Dictionary <string, string> replacedSources, IList <Layer> layers)
{
List <Layer> layerWithNoSourceList = layers.Where(item => item.Type == null && !IsLayerIgnored(item)).ToList();
List <Layer> layerWithSourceList = layers.Where(item => item.Type != null && !IsLayerIgnored(item)).ToList();
List <Layer> reSourcedList = new List <Layer>();
List <Layer> usedLayers = new List <Layer>();
List <TangramLayerGroup> tangramLayerGroups = new List <TangramLayerGroup>();
ProcessLayers(replacedSources, layerWithNoSourceList, layerWithSourceList, reSourcedList, tangramLayerGroups, usedLayers);
if (reSourcedList.Count > 0)
{
layerWithSourceList.Clear();
layerWithSourceList.AddRange(reSourcedList);
reSourcedList.Clear();
ProcessLayers(replacedSources, layerWithNoSourceList, layerWithSourceList, reSourcedList, tangramLayerGroups, usedLayers);
}
foreach (Layer layer in usedLayers)
{
TangramLayer layerFound = null;
foreach (var layerGroup in tangramLayerGroups)
{
foreach (var layerGroupLayer in layerGroup)
{
if (layerGroupLayer.LayerWithSource == layer)
{
layerFound = layerGroupLayer;
}
}
if (layerFound != null)
{
layerGroup.Remove(layerFound);
break;
}
}
}
foreach (var layerMissed in layerWithNoSourceList)
{
Converter.AppendDebug("missed layer", layerMissed.Id);
}
return(tangramLayerGroups);
}
private static void ProcessLayers(Dictionary <string, string> replacedSources, List <Layer> layerWithNoSourceList, List <Layer> layerWithSourceList, List <Layer> reSourcedList, List <TangramLayerGroup> tangramLayerGroups, List <Layer> usedLayers)
{
foreach (var layerWithSource in layerWithSourceList)
{
bool isCasing = IsCasing(layerWithSource.Id);
List <Layer> refLayers = null;
if (layerWithSource.Ref == null)
{
refLayers = layerWithNoSourceList.Where(item => item.Ref == layerWithSource.Id).ToList <Layer>();
if (refLayers != null)
{
foreach (Layer refLayer in refLayers)
{
layerWithNoSourceList.Remove(refLayer);
refLayer.Filter = layerWithSource.Filter;
refLayer.Source = layerWithSource.Source;
refLayer.SourceLayer = layerWithSource.SourceLayer;
if (refLayer.Layout != null)
{
refLayer.Layout.LineCap = layerWithSource.Layout.LineCap;
refLayer.Layout.LineJoin = layerWithSource.Layout.LineJoin;
}
else
{
refLayer.Layout = layerWithSource.Layout;
}
reSourcedList.Add(refLayer);
}
}
//refLayers.Clear();
}
if (layerWithSource.Id.StartsWith("bridge") && (layerWithSource.Id.EndsWith(CaseSuffix) || layerWithSource.Id.EndsWith(CasingSuffix)))
{
var realLayers = layerWithSourceList.Where(item => item.Id == NormaliseName(layerWithSource.Id)).ToList();
if (realLayers.Count > 0)
{
refLayers.Add(realLayers[0]);
usedLayers.Add(realLayers[0]);
}
}
// to join OpenMapTiles casing and regular road layers together as we need to specify width for lines with outlines
if (layerWithSource.Id.EndsWith("_casing") && refLayers.Count == 0)
{
var lineWidthLayers = layerWithSourceList.Where(item => item.Id == layerWithSource.Id.Replace("_casing", "")).ToList();
if (lineWidthLayers.Count == 1)
{
refLayers.Add(lineWidthLayers[0]);
}
}
TangramLayer tangramLayer = new TangramLayer(layerWithSource, refLayers);
TangramLayerGroup tangramLayerGroup = tangramLayerGroups.FirstOrDefault(item => item.SourceLayer != null && item.SourceLayer.ToString() == layerWithSource.SourceLayer && item.IsCasing == isCasing);
if (tangramLayerGroup == null)
{
tangramLayerGroup = new TangramLayerGroup(replacedSources, layerWithSource.SourceLayer, isCasing);
tangramLayerGroups.Add(tangramLayerGroup);
}
tangramLayerGroup.Add(tangramLayer);
}
}