Implement NICE direct mode

docs/source/shape_editor_install.rst

@@ -87,6 +87,7 @@ https://blfauger.gitlabpages.inria.fr/nice/install.html.
     cp Makefile.TEMPLATE Makefile
     make -j
     make nice_imas_inv_muscle3
+    make nice_imas_dir_muscle3
 
-If this was successful, you should find the program ``nice_imas_inv_muscle3`` in the
-``nice/run`` folder.
+If this was successful, you should find the programs ``nice_imas_inv_muscle3`` and
+``nice_imas_dir_muscle3`` in the ``nice/run`` folder.

waveform_editor/gui/shape_editor.py

@@ -1,4 +1,5 @@
 import importlib.resources
+import logging
 import xml.etree.ElementTree as ET
 
 import imas
@@ -14,6 +15,8 @@
 from waveform_editor.shape_editor.plasma_properties import PlasmaProperties
 from waveform_editor.shape_editor.plasma_shape import PlasmaShape
 
+logger = logging.getLogger(__name__)
+
 
 def _reactive_title(title, is_valid):
     return title if is_valid else f"{title} ⚠️"
@@ -37,40 +40,52 @@ def __init__(self):
         self.plasma_properties = PlasmaProperties()
         self.coil_currents = CoilCurrents()
         self.nice_plotter = NicePlotter(
-            self.communicator, self.plasma_shape, self.plasma_properties
+            communicator=self.communicator,
+            plasma_shape=self.plasma_shape,
+            plasma_properties=self.plasma_properties,
         )
         self.nice_settings = settings.nice
 
-        self.xml_params = ET.fromstring(
+        self.xml_params_inv = ET.fromstring(
+            importlib.resources.files("waveform_editor.shape_editor.xml_param")
+            .joinpath("inverse_param.xml")
+            .read_text()
+        )
+        self.xml_params_dir = ET.fromstring(
             importlib.resources.files("waveform_editor.shape_editor.xml_param")
-            .joinpath("param.xml")
+            .joinpath("direct_param.xml")
             .read_text()
         )
 
         # UI Configuration
         button_start = pn.widgets.Button(name="Run", on_click=self.submit)
         button_start.disabled = (
-            self.plasma_shape.param.has_shape.rx.not_()
+            (
+                self.plasma_shape.param.has_shape.rx.not_()
+                & self.nice_settings.param.is_inverse_mode.rx()
+            )
             | self.plasma_properties.param.has_properties.rx.not_()
-            | param.rx(self.nice_settings.required_params_filled).rx.not_()
+            | self.nice_settings.param.are_required_filled.rx.not_()
         )
         button_stop = pn.widgets.Button(name="Stop", on_click=self.stop_nice)
-        buttons = pn.Row(button_start, button_stop)
+        nice_mode_radio = pn.widgets.RadioBoxGroup.from_param(
+            self.nice_settings.param.mode, inline=True, margin=(15, 20, 0, 20)
+        )
+        buttons = pn.Row(button_start, button_stop, nice_mode_radio)
 
         # Accordion does not allow dynamic titles, so use separate card for each option
         options = pn.Column(
             self._create_card(
                 self.nice_settings.panel,
                 "NICE Configuration",
-                is_valid=param.rx(self.nice_settings.required_params_filled),
-            ),
-            self._create_card(
-                pn.Param(self.nice_plotter, show_name=False), "Plotting Parameters"
+                is_valid=self.nice_settings.param.are_required_filled.rx(),
             ),
+            self._create_card(self.nice_plotter, "Plotting Parameters"),
             self._create_card(
                 self.plasma_shape,
                 "Plasma Shape",
                 is_valid=self.plasma_shape.param.has_shape,
+                visible=self.nice_settings.param.is_inverse_mode.rx(),
             ),
             self._create_card(
                 pn.Column(self.plasma_properties, self.nice_plotter.profiles_pane),
@@ -91,14 +106,15 @@ def __init__(self):
             ),
         )
 
-    def _create_card(self, panel_object, title, is_valid=None):
+    def _create_card(self, panel_object, title, is_valid=None, visible=True):
         """Create a collapsed card containing a panel object and a title.
 
         Args:
             panel_object: The panel object to place into the card.
             title: The title to give the card.
             is_valid: If supplied, binds the card title to update reactively using
                 `_reactive_title`.
+            visible: Whether the card is visible.
         """
         if is_valid:
             title = param.bind(_reactive_title, title=title, is_valid=is_valid)
@@ -107,6 +123,7 @@ def _create_card(self, panel_object, title, is_valid=None):
             title=title,
             sizing_mode="stretch_width",
             collapsed=True,
+            visible=visible,
         )
         return card
 
@@ -169,9 +186,10 @@ def _create_equilibrium(self):
         equilibrium.time_slice.resize(1)
         equilibrium.vacuum_toroidal_field.b0.resize(1)
 
-        # Fill plasma shape
-        equilibrium.time_slice[0].boundary.outline.r = self.plasma_shape.outline_r
-        equilibrium.time_slice[0].boundary.outline.z = self.plasma_shape.outline_z
+        # Only fill plasma shape for NICE inverse mode
+        if self.nice_settings.is_inverse_mode:
+            equilibrium.time_slice[0].boundary.outline.r = self.plasma_shape.outline_r
+            equilibrium.time_slice[0].boundary.outline.z = self.plasma_shape.outline_z
 
         # Fill plasma properties
         equilibrium.vacuum_toroidal_field.r0 = self.plasma_properties.r0
@@ -194,14 +212,21 @@ async def submit(self, event=None):
         description IDSs and an input equilibrium IDS."""
 
         self.coil_currents.fill_pf_active(self.pf_active)
+        if self.nice_settings.is_direct_mode:
+            xml_params = self.xml_params_dir
+        else:
+            xml_params = self.xml_params_inv
+            self.coil_currents.update_fixed_coils_in_xml(xml_params)
+
         # Update XML parameters:
-        self.coil_currents.update_fixed_coils_in_xml(self.xml_params)
-        self.xml_params.find("verbose").text = str(self.nice_settings.verbose)
+        xml_params.find("verbose").text = str(self.nice_settings.verbose)
         equilibrium = self._create_equilibrium()
         if not self.communicator.running:
-            await self.communicator.run()
+            await self.communicator.run(
+                is_direct_mode=self.nice_settings.is_direct_mode
+            )
         await self.communicator.submit(
-            ET.tostring(self.xml_params, encoding="unicode"),
+            ET.tostring(xml_params, encoding="unicode"),
             equilibrium.serialize(),
             self.pf_active.serialize(),
             self.pf_passive.serialize(),
@@ -210,7 +235,9 @@ async def submit(self, event=None):
         )
         self.coil_currents.sync_ui_with_pf_active(self.communicator.pf_active)
 
-    async def stop_nice(self, event):
+    @param.depends("nice_settings.mode", watch=True)
+    async def stop_nice(self, event=None):
+        logger.info("Stopping NICE...")
         await self.communicator.close()
 
     def __panel__(self):

waveform_editor/settings.py

@@ -16,17 +16,23 @@
 
 
 class NiceSettings(param.Parameterized):
-    REQUIRED = (
-        "executable",
+    INVERSE_MODE = "NICE Inverse"
+    DIRECT_MODE = "NICE Direct"
+
+    BASE_REQUIRED = (
         "md_pf_active",
         "md_pf_passive",
         "md_wall",
         "md_iron_core",
     )
-    executable = param.String(
-        label="NICE executable path",
+    inv_executable = param.String(
+        label="NICE inverse executable path",
         doc="Path to NICE inverse IMAS MUSCLE3 executable",
     )
+    dir_executable = param.String(
+        label="NICE direct executable path",
+        doc="Path to NICE direct IMAS MUSCLE3 executable",
+    )
     environment = param.Dict(
         default={},
         label="NICE environment variables",
@@ -37,10 +43,32 @@ class NiceSettings(param.Parameterized):
     md_wall = param.String(label="'wall' machine description URI")
     md_iron_core = param.String(label="'iron_core' machine description URI")
     verbose = param.Integer(label="NICE verbosity (set to 1 for more verbose output)")
+    mode = param.Selector(
+        objects=[INVERSE_MODE, DIRECT_MODE], default=INVERSE_MODE, precedence=-1
+    )
+    are_required_filled = param.Boolean(precedence=-1)
+    is_direct_mode = param.Boolean(precedence=-1)
+    is_inverse_mode = param.Boolean(precedence=-1)
+
+    @param.depends("mode", watch=True, on_init=True)
+    def set_mode_flags(self):
+        self.is_direct_mode = self.mode == self.DIRECT_MODE
+        self.is_inverse_mode = self.mode == self.INVERSE_MODE
+
+    @param.depends(
+        *BASE_REQUIRED, "inv_executable", "dir_executable", "mode", watch=True
+    )
+    def check_required_params_filled(self):
+        base_ready = all(getattr(self, p) for p in self.BASE_REQUIRED)
 
-    @param.depends(*REQUIRED)
-    def required_params_filled(self):
-        return all(getattr(self, required) for required in self.REQUIRED)
+        if not base_ready:
+            self.are_required_filled = False
+            return
+
+        if self.mode == self.INVERSE_MODE:
+            self.are_required_filled = bool(self.inv_executable)
+        else:
+            self.are_required_filled = bool(self.dir_executable)
 
     def apply_settings(self, params):
         """Update parameters from a dictionary, skipping unknown keys."""
@@ -51,24 +79,33 @@ def apply_settings(self, params):
         self.param.update(**params)
 
     def to_dict(self):
-        """Returns a dictionary representation of current parameter values."""
-        return {p: getattr(self, p) for p in self.param if p != "name"}
+        """Returns a dictionary representation of current parameter values, excluding
+        params with a precendence of -1."""
+        result = {}
+        for p in self.param:
+            param_obj = self.param[p]
+            if p != "name" and param_obj.precedence != -1:
+                result[p] = getattr(self, p)
+        return result
 
     def panel(self):
         items = []
 
         for p in self.param:
             if p == "name":
-                pass
-            elif p in self.REQUIRED:
-                items.append(
-                    pn.Row(
-                        pn.Param(self.param[p], show_name=False),
-                        WarningIndicator(visible=self.param[p].rx.not_()),
-                    )
-                )
-            else:
-                items.append(pn.Param(self.param[p], show_name=False))
+                continue
+
+            # Add warning indicator if required parameter is not filled
+            is_inv_required = p == "inv_executable" and self.is_inverse_mode
+            is_dir_required = p == "dir_executable" and self.is_direct_mode
+            is_base_required = p in self.BASE_REQUIRED
+
+            row_content = [pn.Param(self.param[p], show_name=False)]
+            if is_inv_required or is_dir_required or is_base_required:
+                warning = WarningIndicator(visible=self.param[p].rx.not_())
+                row_content.append(warning)
+
+            items.append(pn.Row(*row_content))
 
         return pn.Column(*items)
 

waveform_editor/shape_editor/coil_currents.py

@@ -5,14 +5,17 @@
 import param
 from panel.viewable import Viewer
 
+from waveform_editor.settings import settings
+
 
 class CoilCurrents(Viewer):
     coil_ui = param.List(
         doc="List of tuples containing the checkboxes and sliders for the coil currents"
     )
 
-    def __init__(self):
-        super().__init__()
+    def __init__(self, **params):
+        super().__init__(**params)
+        self.nice_settings = settings.nice
         self.sliders_ui = pn.Column(visible=self.param.coil_ui.rx.bool())
         guide_message = pn.pane.Markdown(
             "_To fix a coil to a specific current, enable the checkbox and provide "
@@ -44,13 +47,15 @@ def create_ui(self, pf_active):
         new_coil_ui = []
         for coil in pf_active.coil:
             coil_current = coil.current
-            checkbox = pn.widgets.Checkbox(value=False, margin=(30, 10, 10, 10))
+            checkbox = pn.widgets.Checkbox(
+                margin=(30, 10, 10, 10),
+                disabled=self.nice_settings.param.is_direct_mode,
+            )
             slider = pn.widgets.EditableFloatSlider(
                 name=f"{coil.name} Current [{coil_current.metadata.units}]",
                 value=coil_current.data[0] if coil_current.data.has_value else 0.0,
                 start=-5e4,
                 end=5e4,
-                disabled=checkbox.param.value.rx.not_(),
                 format="0",
                 width=450,
             )
@@ -67,9 +72,8 @@ def fill_pf_active(self, pf_active):
             pf_active: pf_active IDS to update the coil currents for.
         """
         for i, coil_ui in enumerate(self.coil_ui):
-            checkbox, slider = coil_ui.objects
-            if checkbox.value:
-                pf_active.coil[i].current.data = np.array([slider.value])
+            _, slider = coil_ui.objects
+            pf_active.coil[i].current.data = np.array([slider.value])
 
     def sync_ui_with_pf_active(self, pf_active):
         """Synchronize UI sliders with the current values from the pf_active IDS.