private void AddRenderElementCommandForWay(
OsmWay way,
OsmRelation parentRelation,
int elementLayer,
RenderingRule renderingRule,
bool isRelationsWay)
{
// ignore ways which are inner ways of a multipolygon relation
if (false == multipolygonRelationsProcessor.IsWayUsedAsInnerPolygon(way.ObjectId))
{
// check if this way represents an outer way of multipolygon
if (multipolygonRelationsProcessor.IsWayUsedAsOuterPolygon(way.ObjectId))
{
// find all areas with holes object and apply the templates to them
foreach (OsmAreaWithHoles areaWithHoles in multipolygonRelationsProcessor.ListAreasWithHolesForSpecificWay(way.ObjectId))
{
ApplyTemplate(isRelationsWay, renderingRule, areaWithHoles, parentRelation);
}
}
// otherwise just apply the templates to the way
else
{
ApplyTemplate(isRelationsWay, renderingRule, way, parentRelation);
}
mapMakerSettings.MapContentStatistics.IncrementFeaturesCount(renderingRule.RuleName);
}
}
private void ApplyTemplate(
bool isRelationsWay,
RenderingRule renderingRule,
OsmObjectBase osmObject,
OsmRelation parentRelation)
{
renderingRule.Template.RenderOsmObject(mapMakerSettings, analysis, osmDataSource.OsmDatabase, osmObject, parentRelation, mapWriter);
}
private void AddRenderElementCommandForNode(
OsmNode node,
OsmRelation parentRelation,
int elementLayer,
RenderingRule renderingRule)
{
renderingRule.Template.RenderOsmObject(mapMakerSettings, analysis, osmDataSource.OsmDatabase, node, parentRelation, mapWriter);
mapMakerSettings.MapContentStatistics.IncrementFeaturesCount(renderingRule.RuleName);
}
private void MakeSureRuleNameIsUnique(RenderingRule renderingRule)
{
if (null != rules.Find(r => 0 == String.Compare(r.RuleName, renderingRule.RuleName, StringComparison.Ordinal)))
{
string message = string.Format(
CultureInfo.InvariantCulture,
"Rule name '{0}' is used more than once in rules.",
renderingRule.RuleName);
throw new ArgumentException(message);
}
}
private bool ProcessArea(
OsmWay area,
OsmRelation relation,
RenderingRule rule,
bool justDetectLevelsAndTypesUsed,
HashSet <long> consumedAreas)
{
// ignore untagged ways (but not if they are part of a relation)
if (false == area.IsTagged && relation == null)
{
return(false);
}
// ignore ways with less than 3 nodes
if (area.NodesCount < 3)
{
return(false);
}
// ignore ways if they are neither designated as areas nor closed
if (false == area.IsClosed && false == areaSelector.IsMatch(null, area))
{
return(false);
}
int layer = GetOsmObjectLayerNumber(area);
if (rule.IsMatch(relation, area))
{
consumedAreas.Add(area.ObjectId);
// if we are just running the first run on the rule engine
// to detect levels and types that are used in the mapWriter
if (justDetectLevelsAndTypesUsed)
{
rule.MarkHardwareLevelsUsed(analysis);
rule.Template.RegisterType(rule.RuleName, mapMakerSettings.TypesRegistry, false);
return(true);
}
AddRenderElementCommandForWay(area, relation, layer, rule, false);
}
return(false);
}
private void ProcessRule(RenderingRule rule)
{
consumedWays = new HashSet <long>();
consumedAreas = new HashSet <long>();
currentRule = rule;
if (rule.TargetsRelation)
{
ProcessRelationRule();
}
if ((rule.Targets & RenderingRuleTargets.Areas) != 0)
{
ProcessAreaRule();
}
if ((rule.Targets & RenderingRuleTargets.Ways) != 0)
{
ProcessWayRule();
}
}
public void AddRule(RenderingRule renderingRule)
{
MakeSureRuleNameIsUnique(renderingRule);
rules.Add(renderingRule);
}