public override bool TryGetPosForItemIndex(int itemIndex, out Vector3 pos)
{
pos = Vector3.zero;
if (itemIndex < _presenter.SelectedMinItem || itemIndex >= _presenter.SelectedMaxItem)
{
return(false);
}
int dimNum = _presenter.NumberOfDimensions;
var zoomArea = _zoomMax - ZoomMin;
float valueX = VisViewHelper.GetItemValue(_presenter, 0, itemIndex, true, _displayRelativeValues);
float valueY = VisViewHelper.GetItemValue(_presenter, 1, itemIndex, true, _displayRelativeValues);
float valueZ = dimNum < 3 ? 0 : VisViewHelper.GetItemValue(_presenter, 2, itemIndex, true, _displayRelativeValues);
if (valueX < _zoomMin.x || valueX > _zoomMax.x ||
valueY < _zoomMin.y || valueY > _zoomMax.y ||
(dimNum > 2 && (valueZ < _zoomMin.z || valueZ > _zoomMax.z))
)
{
return(false);
}
pos = new Vector3(
(valueX - _zoomMin.x) / zoomArea.x * _size.x,
(valueY - _zoomMin.y) / zoomArea.y * _size.y,
(valueZ - _zoomMin.z) / zoomArea.z * _size.z
);
return(true);
}
protected override void RebuildVisualization()
{
if (_presenter == null || _presenter.NumberOfDimensions < 2)
{
Debug.LogError("Presenter is either null or has not enough dimensions to represent this visualization");
return;
}
List <Vector3> vertices = new List <Vector3>();
List <int> indices = new List <int>();
List <Color> colors = new List <Color>();
//int offset = (int)_presenter.SelectedMinItem;
//int length = (int)_presenter.SelectedMaxItem - offset;
int dimNum = _presenter.NumberOfDimensions;
var zoomArea = _zoomMax - ZoomMin;
for (int itemIndex = _presenter.SelectedMinItem; itemIndex < _presenter.SelectedMaxItem; itemIndex++)
{
float valueX = VisViewHelper.GetItemValue(_presenter, 0, itemIndex, true, _displayRelativeValues);
float valueY = VisViewHelper.GetItemValue(_presenter, 1, itemIndex, true, _displayRelativeValues);
float valueZ = dimNum < 3 ? 0 : VisViewHelper.GetItemValue(_presenter, 2, itemIndex, true, _displayRelativeValues);
if (valueX < _zoomMin.x || valueX > _zoomMax.x ||
valueY < _zoomMin.y || valueY > _zoomMax.y ||
(dimNum > 2 && (valueZ < _zoomMin.z || valueZ > _zoomMax.z))
)
{
continue;
}
vertices.Add(new Vector3(
(valueX - _zoomMin.x) / zoomArea.x * _size.x,
(valueY - _zoomMin.y) / zoomArea.y * _size.y,
(valueZ - _zoomMin.z) / zoomArea.z * _size.z
));
colors.Add(_style.GetColorContinous(_presenter.IsItemHighlighted(itemIndex), valueX, valueY, valueZ));
indices.Add(vertices.Count - 1);
}
var mesh = new Mesh();
mesh.name = "ScatterplotMesh";
mesh.vertices = vertices.ToArray();
mesh.colors = colors.ToArray();
mesh.SetIndices(indices.ToArray(), MeshTopology.Points, 0);
var meshFilter = GetComponent <MeshFilter>();
Destroy(meshFilter.sharedMesh);
meshFilter.sharedMesh = mesh;
}
