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    • CommentAuthorrambir
    • CommentTimeJan 31st 2018
     
    Hi,

    I have only two rectangles partially overlapping each other in the GDS,
    Here is my code in file merge.drc -

    source($gds)
    lay = layout($gds)
    target($mergeGds)
    layers = []
    lay.layout.layer_indices.each do |index|
    info = lay.layout.get_info(index)
    layers << [info.layer, info.datatype ]
    end
    layers.sort.uniq.each do |l,d|
    log "-Merging LPP #{l}/#{d} .."
    input(l, d).merged.output(l, d)
    end

    I run it from command line like this-

    klayout -b -rd gds=aa.gds -rd mergeGds=aa_merged.gds -r merge.drc

    0.24.10 => the output is all good and merged well in aa_merged.gds
    0.25 => the out file aa_merged.gds is empty, when I try select all I get following error -
    *** ERROR: /root/klayout-0.24.10/src/layLayoutView.cc,5835,int (m_cellviews.size ()) > index && m_cellviews [index].is_valid ()
    *** ERROR: Internal error: /root/klayout-0.24.10/src/layLayoutView.cc:5835 int (m_cellviews.size ()) > index && m_cellviews [index].is_valid () was not true

    Please let me know if I am missing something or it is a bug.

    Thanks & Regards
    Rambir
    • CommentAuthorMatthias
    • CommentTimeJan 31st 2018
     

    Hi Rambir,

    thanks for reporting this issue. The problem is that - contrary to the documentation - the cell name is not optional for "target". So you need to specify the output cell name currently.

    You can further simplify the script - instead of reading the input layout twice, you can take the layer from the actual (first) input and apply a few other simplifications. Essentially the script can be as simple as this:

    source($gds)
    target($mergeGds, source.layout.top_cell.name)
    source.layout.layer_infos.each do |info|
        log "-Merging LPP #{info.to_s} .."
        input(info).merged.output(info)
    end
    

    I filed ticket on GitHub: https://github.com/klayoutmatthias/klayout/issues/71

    Thanks,

    Matthias

    • CommentAuthorrambir
    • CommentTimeFeb 1st 2018
     
    Hi Matthias,

    Thanks for the clarification.
    You are simply a magician..
    have a nice day.

    Best Regards
    Rambir