void AdjustNodeVisualsForHighZoomLevel(int iLevel, GraphmapsNode vnode, Node node) {
var levelScale = GetLevelScale(iLevel);
var nodeDotWidth = _lgLayoutSettings.NodeDotWidthInInches*DpiX/levelScale;
var nodeMinWidth = _lgLayoutSettings.NodeDotWidthInInchesMinInImage*DpiX/levelScale;
if (vnode.LgNodeInfo.ZoomLevel > Math.Pow(2, iLevel))
nodeDotWidth = Math.Max(nodeMinWidth,
nodeDotWidth*(2*Math.Pow(2, iLevel)/vnode.LgNodeInfo.ZoomLevel));
else {
HideVNode(node);
return;
}
vnode.Node.Attr.LineWidth = 0; //GetBorderPathThickness(tileScale);
vnode.InvalidateNodeDot(nodeDotWidth*0.8); // make them just a bit smaller
vnode.HideNodeLabel();
vnode.SetLowTransparency();
}
private void ArrangeNodeLabel(GraphmapsNode vNode, double zf)
{
double nodeLabelHeight = _lgLayoutSettings.NodeLabelHeightInInches*DpiY/CurrentScale;
double nodeLabelWidth = nodeLabelHeight*vNode.LgNodeInfo.LabelWidthToHeightRatio;
if (vNode.LgNodeInfo.LabelVisibleFromScale >= 0 &&
vNode.LgNodeInfo.LabelVisibleFromScale <= zf) {
var offset = Point.Scale(nodeLabelWidth + NodeDotWidth*1.01, nodeLabelHeight + NodeDotWidth*1.01,
vNode.LgNodeInfo.LabelOffset);
vNode.InvalidateNodeLabel(nodeLabelHeight, nodeLabelWidth, offset);
}
else
vNode.HideNodeLabel();
}