Grasshopper

algorithmic modeling for Rhino

Preview and data value override between components

Hi, I have problem with preview override between my two same components. When I change value in Slider1 then component2 changes preview and shows data from component 1.
(comp 1 is preview disabled)


PD value is:

class GH_PointData : GH_Goo<PointData>, IGH_PreviewData...

class GH_ParamPointData : GH_Param<GH_PointData>, IGH_PreviewObject

 

and I duplicate input data before I change it. (same in PD)

DA.GetData("CD", ref CD);

GH_CellData CDd = (GH_CellData)CD.Duplicate();

 

Are there any rules how to prevent it?

 

Thanks

 

Views: 468

Replies to This Discussion

Permalink Reply by Lukáš Kurilla on December 14, 2011 at 12:44pm

I think I solved it.
It was my elementary mistake in copy constructor in GH_PointData.

//copy constructor
public GH_PointData(GH_PointData instance)
{
this.Value = new PointData(instance.Value);
}

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