Creater all Floor boundary based on Grids intersect line

[osk-t-00812k]

Hi Everyone!

I have random grids hozizontal and vertical, how to create Floor by 4 line of Grids intersect.
Thank advance!

[jeremy_tammik]

Always when you have a question on how to apply the Revit API to address a standard task, the collection of official sample code provided by the Revit SDK will provide a good starting point to look for solutions. In this case, a very suitable and helpful SDK sample might be GenerateFloor.

[manhgt214]

I same intersect with this problem. @jeremy_tammik Can you show detail solution for it. 

[manhgt214 · Accepted solution]

This is my solution based create nest list Points intersect of grids.

int chunkSizeY = GridX.Count;
// Chop the list into chunks
List<List<XYZ>> choppedListY = ChopList(pointY, chunkSizeY);

for (int i = 0; i < choppedListY.Count-1; i++)
{
    for (int j = 0; j < choppedListY[0].Count-1; j++)
    {
        XYZ p1 = choppedListY[i][j];
        XYZ p2 = choppedListY[i][j+1];
        XYZ p3 = choppedListY[i+1][j+1];
        XYZ p4 = choppedListY[i+1][j];
        Line l1 = Line.CreateBound(p1, p2);
        Line l2 = Line.CreateBound(p2, p3);
        Line l3 = Line.CreateBound(p3, p4);
        Line l4 = Line.CreateBound(p4, p1);
        List<Curve> loopSegments = new List<Curve> { l1, l2, l3, l4 };
        CurveLoop closedLoop = CurveLoop.Create(loopSegments);
        Floor.Create(doc, new List<CurveLoop> { closedLoop }, floorTypeId, level1.Id);
    }
}

[RPTHOMAS108]

So you just need to get all the intersections from all the grids and order them by Y then X.

You have to remember though when ordering by doubles you need a row tolerance otherwise minute differences of the Y Ord will create extra undesirable rows.