Group data branches

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Permalink Reply by David Stasiuk on April 28, 2014 at 1:12am

Hi Arusyak-

In-built components will work to map data structure onto your text file: to get the data in the correct order to start, you read the file and split each text line into its component parts...this makes a data branch for each entry. By flipping this matrix, you get unique lists for each column. Then you make unique paths for each item in one of your lists by first flattening it and then grafting it, extract this path information, and use the route integer as the replacing path. However, with the file size that you are using (and the profiler on, as in the below image), you can see how long this takes: the replace paths component can run very heavy:

Then, instead of running it twice, it's much lighter to use the "unflatten" tree component to apply the data structure to the second list.

With a little scripting, you can avoid some of this heaviness: I've added a quick one that does pretty much the same thing, but does so much more quickly. It's very little code:

private void RunScript(List<int> R, List<string> FS, List<string> LS, ref object FirstStop, ref object LastStop)
{

DataTree<string> FS_ = new DataTree<string>();
DataTree<string> LS_ = new DataTree<string>();

for (int Pth = 0; Pth < R.Count; Pth++)
{
FS_.Add(FS[Pth], new GH_Path(R[Pth]));
LS_.Add(LS[Pth], new GH_Path(R[Pth]));
}

FirstStop = FS_;
LastStop = LS_;

}

Attachments:

• apply_path.gh, 14 KB

Permalink Reply by Arusyak Manvelyan on April 29, 2014 at 12:06am

Hey David!

Thank you alot David. This is a great help!

David could you help me to retrieve the 3rd branch from the tree the same way that the bus stop times? I have tried to do it by myself, although it's a small script but I don't have any knowledge of C#.

Thanks in advance!