create_boundary  \
-poly { { 1113.000    0.000}
         { 1113.000 1456.000}
         {  0.000 1456.000}
         {  0.000 1277.740}
         {240.000 1277.740}
         {240.000 1085.740}
         {466.220 1085.740}
         {466.220  516.000}
         {269.000  516.000}
         {269.000    0.000}}
if {[file exists [which $ICC_IN_TDF_FILE]]} {
  read_io_constraints $ICC_IN_TDF_FILE
}

initialize_rectilinear_block -use_current_boundary -row_core_ratio 1.00 \
                             -start_first_row -flip_first_row \
        -left_io2core 30.0 \
        -right_io2core 30.0 \
        -top_io2core 30.0 \
        -bottom_io2core 30.0
#  initialize_floorplan \
#   -control_type width_and_height \
# -core_width 2000 \
# -core_height 2000 \
#   -left_io2core 20 \
#   -bottom_io2core 20 \
#   -right_io2core 20 \
#   -top_io2core 20 \
#   -start_first_row

derive_pg_connection -power_net {VDD} -ground_net {VSS} -power_pin {VDD} -ground_pin {VSS}
#-layer  layerNumber or maskName from the technology file
create_power_straps  -direction horizontal  -start_at 38.000 -nets  {VDD VSS}  -layer 35 -width 3 -configure step_and_stop  -step 36 -stop 1456.000 -pitch_within_group 18 -extend_low_ends to_boundary_and_generate_pins -extend_high_ends to_boundary_and_generate_pins -keep_floating_wire_pieces  -clip_at_top_cell_boundaries
create_power_straps  -direction vertical  -start_at 38 -nets  {VDD VSS}  -layer 36 -width 4 -configure step_and_stop  -step 72 -stop 1113.000 -pitch_within_group 36 -extend_low_ends to_boundary_and_generate_pins -extend_high_ends to_boundary_and_generate_pins -keep_floating_wire_pieces  -clip_at_top_cell_boundaries
create_power_straps  -direction vertical  -start_at 56 -nets  {VDD VSS}  -layer 34 -width 2 -configure step_and_stop  -step 72 -stop 1113.000 -pitch_within_group 36 -extend_low_ends to_boundary_and_generate_pins -extend_high_ends to_boundary_and_generate_pins -keep_floating_wire_pieces  -clip_at_top_cell_boundaries

#add_tap_cell_array -master_cell_name {FILLTIEHS} -distance 50 -offset 50 \
#                   -pattern stagger_every_other_row -respect_keepout