PROBLEM DURING MERGING GDS FILES

    Hello,

I used this tcl script on command line

calibredrv  myfile.tcl

to merge 3 different gds files.

The output gds file, has been created with correct hierarchy but empty layout.

What is it wrong in my tcl scritp??

   Many thanks

         Ciao

       Luciano

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# Load file.gds

set Lone [layout create file1.gds -dt_expand -preservePaths -preserveProperties -preserveTextAttributes]

set precision [expr int (1/([$Lone units]))]

$Lone units microns $precision

array set peekdata [layout peek file1.gds -type -precision -topcell -topcells -layers]

puts $peekdata(layers)

set Ltwo [layout create file2.gds.gz -dt_expand -preservePaths -preserveProperties -preserveTextAttributes]

set precision2 [expr int (1/([$Ltwo units]))]

$Ltwo units microns $precision2

array set peekdata [layout peek file2.gds.gz -type -precision -topcell -topcells -layers]

puts $peekdata(layers)

set Lthre [layout create file3.gds.gz -dt_expand -preservePaths -preserveProperties -preserveTextAttributes]

set precision3 [expr int (1/([$Lthre units]))]

$Lthre units microns $precision3

array set peekdata [layout peek file3.gds.gz -type -precision -topcell -topcells -layers]

puts $peekdata(layers)

# Create empty cell

set Lnew [layout create]

# Create new topcell

$Lnew create cell TOP

# Copy patterns on new layout

$Lnew create cell ONE $Lone [$Lone topcell]

$Lnew create cell TWO $Ltwo [$Ltwo topcell]

$Lnew create cell THRE $Lthre [$Lthre topcell]

# Place cell reference on new layout

$Lnew create ref TOP ONE 0 -3743.5 0 0 1

$Lnew create ref TOP TWO 4358.5 -3366.5 0 0 1

$Lnew create ref TOP THRE -4546.5 -3282.5 0 0 1

$Lnew units microns $precision

# Create final gds file

$Lnew gdsout test.gds.gz TOP

array set peekdata [layout peek test.gds.gz -type -precision -topcell -topcells -layers]

puts $peekdata(layers)

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