@Yang_Cao wrote:

What should I define this point? point_on_dimension_line.
I set it to be like this:

Add position dimension on top view

basepoint = x, y, z

originx = 0, y, z
Dimpointx = 0.5*x,y+40000,z

originy = x, 0, z
Dimpointy = x+2000,0.5*y,z

originz = x, y, 0
Dimpointz = x-2000,y,0.5*z

dimensionGx_id = rs.AddLinearDimension( originx, basepoint, Dimpointx )
dimensionGy_id = rs.AddLinearDimension( originy, basepoint, Dimpointy )
dimensionGz_id = rs.AddLinearDimension( originz, basepoint, Dimpointz )

But it wouldn't work for the y direction, always appears as o length.
Thanks:)

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