New Icepak ECAD import example with Ansys board

examples/05-electrothermal/ecad_import.py

@@ -1,114 +1,133 @@
-# # Importing a PCB and its components via IDF and EDB
+# # Import an ECAD into Icepak and modify stackup properties
 
-# This example shows how to import a PCB and its components using IDF files (*.ldb/*.bdf).
-# The *.emn/*.emp combination can also be used in a similar way.
+# This example shows how to import an ECAD as a PCB component into Icepak.
+# It will also demonstrate how to change the materials of the PCB layers and
+# update the PCB in Icepak.
 #
-# Keywords: **Icepak**, **PCB**, **IDF**.
+# Keywords: **Icepak**, **PCB**
 
 # ## Perform required imports
 #
 # Perform required imports including the operating system, Ansys PyAEDT packages.
 
 import os
-import tempfile
 import time
+import tempfile
 
 import ansys.aedt.core
-from ansys.aedt.core import Hfss3dLayout, Icepak
+from ansys.aedt.core import Edb
+from ansys.aedt.core import Hfss3dLayout, Icepak, downloads
 
 # ## Define constants
 
 AEDT_VERSION = "2024.2"
-NG_MODE = False  # Open Electronics UI when the application is launched.
-
+NG_MODE = False     # Open AEDT interface when False
+#
 # ## Open project
 #
-# Open an empty project in non-graphical mode, using a temporary folder.
+# Open an empty project in graphical mode, using a temporary folder.
 
 # +
 temp_folder = tempfile.TemporaryDirectory(suffix=".ansys")
+project_name = "Icepak_ECAD_Import"
+project_path = os.path.join(temp_folder.name, f"{project_name}.aedt")
 
+# Add an Icepak design
 ipk = Icepak(
-    project=os.path.join(temp_folder.name, "Icepak_ECAD_Import.aedt"),
+    project=project_name,
     version=AEDT_VERSION,
     new_desktop=True,
     non_graphical=NG_MODE,
 )
-# -
 
-# ## Import the IDF files
-#
-# Sample *.bdf and *.ldf files are presented here.
-#
-# <img src="_static\bdf.png" width="400">
-#
-# <img src="_static\ldf.png" width="400">
-#
-# Imports the idf files with several filtering options including caps, resistors,
-# inductors, power, specific power, size...
-# There are also options for the PCB creation (number o flayers, copper percentages, layer sizes).
-# In this example, the default values are used for the PCB.
-# The imported PCB (from IDF) here will be deleted later and replaced by a PCB that has the trace
-# information (from ECAD) for higher accuracy.
+# Disable autosave
+ipk.autosave_disable()
+
+# Save Icepak project
+ipk.save_project()
+# -
 
-# Download ECAD and IDF files
+# Download the ECAD file
 
-def_path = ansys.aedt.core.downloads.download_file(
-    source="icepak/Icepak_ECAD_Import/A1_uprev.aedb",
+ecad_path = downloads.download_file(
+    source="edb/ANSYS-HSD_V1.aedb",
     name="edb.def",
     destination=temp_folder.name,
 )
-board_path = ansys.aedt.core.downloads.download_file(
-    source="icepak/Icepak_ECAD_Import/", name="A1.bdf", destination=temp_folder.name
+
+# ## Import ECAD 
+# Add an HFSS 3D Layout design with the layout information of the PCB
+h3d_design_name = "PCB_TEMP"
+h3d = Hfss3dLayout(
+    project=project_name, 
+    design=h3d_design_name, 
+    version=AEDT_VERSION,
 )
-library_path = ansys.aedt.core.downloads.download_file(
-    source="icepak/Icepak_ECAD_Import/", name="A1.ldf", destination=temp_folder.name
+h3d.import_edb(ecad_path)
+h3d.save_project()
+
+# Delete the empty placeholder HFSS 3D layout design 
+ipk.delete_design(name=h3d_design_name, fallback_design=None)
+
+# Set component name and ECAD source name and ECAD project path to be linked to Icepak
+component_name = "PCB_ECAD"
+layout_name = h3d.design_name
+ecad_source = os.path.join(h3d.project_path, f"{h3d.project_name}.aedt")
+
+# Create a PCB component in Icepak linked to the 3D Layout project. 
+# Polygon ``"poly_5949"`` is used as the outline of the PCB and 
+# a dissipation of ``"1W"`` is applied to the PCB.
+
+# Create PCB component in Icepak
+pcb_comp = ipk.create_pcb_from_3dlayout(
+    component_name=component_name, 
+    project_name=ecad_source,
+    design_name=layout_name,
+    resolution=3,
+    extent_type="Polygon",
+    outline_polygon="poly_5949",
+    power_in=1,
 )
 
-# Import IDF
-
-ipk.import_idf(board_path=board_path)
-
-# Save the project
-
+# Save project
 ipk.save_project()
 
-# ## Import ECAD
-# Add an HFSS 3D Layout design with the layout information of the PCB
+# Initialize PyEDB object to modify ECAD
+edb = Edb(edbpath=ecad_path, edbversion=AEDT_VERSION)
 
-hfss3d_lo = Hfss3dLayout(project=def_path, version=AEDT_VERSION)
-hfss3d_lo.save_project()
+# Change dielectric fill in signal layers
+for name, layer in edb.stackup.signal_layers.items():
+    layer.dielectric_fill = "FR4_epoxy"
 
-# Create a PCB component in Icepak linked to the 3D Layout project. The polygon ``"poly_0"``
-# is used as the outline of the PCB and a dissipation of ``"1W"`` is applied to the PCB.
+# Change material of dielectric layers
+for name, layer in edb.stackup.dielectric_layers.items():
+    layer.material = "FR4_epoxy"
 
-ipk.create_pcb_from_3dlayout(
-    component_name="PCB_pyAEDT",
-    project_name=hfss3d_lo.project_file,
-    design_name=hfss3d_lo.design_name,
-    extenttype="Polygon",
-    outlinepolygon="poly_0",
-    power_in=1,
-)
+# Save EDB
+edb.save_edb()
 
-# Delete the simplified PCB object coming from IDF import.
+# Close edb session
+edb.close_edb()
 
-ipk.modeler["IDF_BoardOutline"].delete()
+# Update layers of PCB with new materials in PCB component
+pcb_comp.update()
 
-# ## Plot model
+# Change properties of PCB component such as board cutout material and via fill material
+pcb_comp.board_cutout_material = "FR4_epoxy"
+pcb_comp.via_holes_material = "FR4_epoxy"
 
-ipk.plot(
-    show=False,
-    export_path=os.path.join(temp_folder.name, "ECAD_import.jpg"),
-    plot_air_objects=False,
-    force_opacity_value=1,
-)
+# Modify the power specified on PCB
+pcb_comp.power = "2W"
 
-# ## Release AEDT
+# Print path of the linked ECAD source defintion
+print(pcb_comp.native_properties["DefnLink"]["Project"])
 
+# Save project and release desktop
 ipk.save_project()
 ipk.release_desktop()
-# Wait 3 seconds to allow Electronics Desktop to shut down before cleaning the temporary directory.
+
+# Wait 3 seconds to allow Electronics Desktop to shut down 
+# before cleaning the temporary directory.
 time.sleep(3)
 
 # ## Cleanup