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Update Schematic Driven Layout.lym
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@lukasc-ubc
lukasc-ubc committed Oct 23, 2023
1 parent 3fa649c commit 9ff1ed1
Showing 1 changed file with 58 additions and 30 deletions.
88 changes: 58 additions & 30 deletions klayout_dot_config/pymacros/Keybindings/Layout/Schematic Driven Layout.lym
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Expand Up @@ -8,6 +8,7 @@
<doc/>
<autorun>false</autorun>
<autorun-early>false</autorun-early>
<priority>0</priority>
<shortcut>Shift+Q</shortcut>
<show-in-menu>true</show-in-menu>
<group-name/>
Expand All @@ -23,7 +24,14 @@ User steps:
- Select one component in INTERCONNECT
- press Shift+Q in Klayout to place the current component on the layout


Updated by Lukas Chrostowski, 2023
- use the Instance GUI functionality to place the component
Mode_instantiation = "Mouse_position" or "Instance_GUI"

'''
Mode_instantiation = "Mouse_position"
Mode_instantiation = "Instance_GUI"

def schematic_driven_layout():
import pya
Expand All @@ -48,17 +56,18 @@ def schematic_driven_layout():
lumapi.evalScript(_globals.INTC, "cname = get('name');")
name = lumapi.getVar(_globals.INTC, "cname")

if name != 'Root Element':
if name == 'Root Element':
pya.MessageBox.warning(
"Select component", "Schematic Driven Layout: Select a component in the Lumerical INTERCONNECT schematic, then try again.", pya.MessageBox.Ok)
else:

lumapi.evalScript(_globals.INTC, "cmodel = get('model');")
model = lumapi.getVar(_globals.INTC, "cmodel")

lumapi.evalScript(_globals.INTC, "clibrary = get('library');")
library = lumapi.getVar(_globals.INTC, "clibrary")
library = library.split("::")[-1]

#lumapi.close(_globals.INTC)


# Import functions from SiEPIC-Tools, and get technology details
from SiEPIC.utils import select_paths, get_layout_variables
TECHNOLOGY, lv, ly, cell = get_layout_variables()
Expand All @@ -70,39 +79,58 @@ def schematic_driven_layout():
# Layer mapping:
LayerSiN = ly.layer(TECHNOLOGY['Si'])


#fetch mouse coordinates
#I'm currently trying to figure out but the current cursor event gives you the mouse coordinates relative to your screen size rather than relative to gds coordinates.
cursor = pya.Application.instance().main_window().cursor
cursorpos=Point(cursor.pos.x, cursor.pos.y)

# Get the transformation from GDS coordinates to screen pixels
# https://www.klayout.de/doc-qt4/code/class_LayoutView.html#method182
# not working: Does seem like the point/screen coordinates are consistent.
t = lv.viewport_trans().inverted()
point = DVector(t.trans(cursorpos))
print("Cursor pixel: %s, transformation: %s, GDS point: %s" % (cursorpos,t,point))
t = Trans(point.to_itype(dbu))

# Import cells from the SiEPIC GDS Library, and instantiate them
newcell = ly.create_cell(model, library)
if not(newcell):
newcell = ly.create_cell(model, library,{})
if newcell:
if Mode_instantiation == "Mouse_position":

#fetch mouse coordinates
#I'm currently trying to figure out but the current cursor event gives you the mouse coordinates relative to your screen size rather than relative to gds coordinates.
cursor = pya.Application.instance().main_window().cursor
cursorpos=Point(cursor.pos.x, cursor.pos.y)

# Get the transformation from GDS coordinates to screen pixels
# https://www.klayout.de/doc-qt4/code/class_LayoutView.html#method182
# not working: Does seem like the point/screen coordinates are consistent.
t = lv.viewport_trans().inverted()
point = DVector(t.trans(cursorpos))
# print("Cursor pixel: %s, transformation: %s, GDS point: %s" % (cursorpos,t,point))
t = Trans(point.to_itype(dbu))

# Record actions for Undo functionality
lv.transaction("Schematic Driven Layout: place %s" % model)

element_imported = newcell.cell_index()
cell.insert(CellInstArray(element_imported, t))

# Stop recording actions for Undo functionality
lv.commit()

#lv.clear_object_selection()
#lv.zoom_fit()
lv.max_hier()
# Record actions for Undo functionality
lv.transaction("Schematic Driven Layout: place %s" % model)

element_imported = newcell.cell_index()
cell.insert(CellInstArray(element_imported, t))

# Stop recording actions for Undo functionality
lv.commit()

#lv.clear_object_selection()
#lv.zoom_fit()
lv.max_hier()
if Mode_instantiation == "Instance_GUI":
# based on https://www.klayout.de/forum/discussion/1106/instance-gui-invoked-from-a-script
app = pya.Application.instance()
mw = app.main_window()
# if instance mode is already on, cancel so we start fresh
mw.cancel()
# configure instance dialog:
app.set_config("edit-inst-cell-name", model)
app.set_config("edit-inst-lib-name", library)
# PCell parameters
if model == "ebeam_bragg_te1550":
# specific case to try it out
#app.set_config("edit-inst-pcell-parameters", "layer:[layer:1/0];radius:##10;handle:[dpoint:-10,0];npoints:#16;actual_radius:##10;")
app.set_config("edit-inst-pcell-parameters", "number_of_periods:#20;")
mw.menu().action("edit_menu.mode_menu.instance").trigger()

else:
pya.MessageBox.warning(
"Missing componenet", "Missing component (%s) in the library (%s). Cannot perform Schematic Driven Layout" % (model,library), pya.MessageBox.Ok)
"Missing component", "Schematic Driven Layout\nMissing component: name (%s), model (%s), library (%s). \nCannot perform Schematic Driven Layout" % (name,model,library), pya.MessageBox.Ok)
return

except Exception as e:
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