private void TryHidingCloseAxes()
{
foreach (var originalAxis in new AAxis[] { spanningAxes.A, spanningAxes.B })
{
if (shadowAxes.ContainsKey(originalAxis))
{
var shadowAxis = shadowAxes[originalAxis];
try
{
var visible = !AMetaVisSystem.CheckIfNearEnoughToHideAxis(originalAxis, shadowAxis);
shadowAxis.SetVisibility(visible);
var distProjOnOrigBase = AMetaVisSystem.ProjectedDistanceToAxis(shadowAxis.GetAxisBaseGlobal(), originalAxis);
var distProjOnOrigTip = AMetaVisSystem.ProjectedDistanceToAxis(shadowAxis.GetAxisTipGlobal(), originalAxis);
// if one axis is parallel it's metavis axis and the other is not,
// stick to the parallel one
if (distProjOnOrigBase < .01f && distProjOnOrigTip < .01f)
{
metaVisualization.transform.position = originalAxis.GetAxisBaseGlobal();
}
} catch (Exception e)
{
Debug.LogError("Checking vicinity of original and meta axis failed, because of exception.");
Debug.LogException(e);
}
}
}
}
private void FindShadowAxes()
{
// FlexiblePCP does not contain shadow axes
try
{
// for both of the spanning axes, add their shadow-counterparts to the list
foreach (var ax in new AAxis[] { spanningAxes.A, spanningAxes.B })
{
if (metaVisualization.registeredAxes.ContainsKey(ax.attributeName))
{
// If a metavisualization contains more than one matching
// shadow axis, add the nearest one.
foreach (var a in metaVisualization.registeredAxes[ax.attributeName])
{
if (shadowAxes.ContainsKey(ax))
{
var alreadyRegisteredShadowAxis = shadowAxes[ax];
if (AMetaVisSystem.MeanDistanceBetween(ax, a) < AMetaVisSystem.MeanDistanceBetween(ax, shadowAxes[ax]))
{
shadowAxes[ax] = a;
}
}
else
{
shadowAxes.Add(ax, a);
}
}
}
}
} catch (Exception e)
{
Debug.LogException(e);
}
}
/// <summary>
/// Checks whether the conditions of this meta-visualization still apply.
/// That is the case, if visualization type hasn't changed and the spanning
/// axes are still close enough to each other.
/// </summary>
private void CheckValidity()
{
valid = AMetaVisSystem.CheckIfNearEnough(spanningAxes) &&
Type().Equals(AMetaVisSystem.WhichMetaVis(spanningAxes, dataSetID));
}
