diff --git a/notebooks/LPD/LPD_Correct_Fast.ipynb b/notebooks/LPD/LPD_Correct_Fast.ipynb
index c7d23ccdd19bd1b46174894a9a5c16ac6f86b684..1364bbbf8f4c31ddba3635f9113caf89b576b07c 100644
--- a/notebooks/LPD/LPD_Correct_Fast.ipynb
+++ b/notebooks/LPD/LPD_Correct_Fast.ipynb
@@ -26,7 +26,7 @@
     "metadata_folder = ''  # Directory containing calibration_metadata.yml when run by xfel-calibrate.\n",
     "sequences = [-1]  # Sequences to correct, use [-1] for all\n",
     "modules = [-1]  # Modules indices to correct, use [-1] for all, only used when karabo_da is empty\n",
-    "karabo_da = ['all']  # Data aggregators names to correct, use [''] for all\n",
+    "karabo_da = ['']  # Data aggregators names to correct, use [''] for all\n",
     "run = 10  # run to process, required\n",
     "\n",
     "# Source parameters\n",
@@ -104,7 +104,10 @@
     "\n",
     "from extra_data.components import LPD1M\n",
     "\n",
+<<<<<<< HEAD
     "from cal_tools.calcat_interface import CalCatError, LPD_CalibrationData\n",
+=======
+>>>>>>> remove LPD changes
     "from cal_tools.lpdalgs import correct_lpd_frames\n",
     "from cal_tools.tools import CalibrationMetadata, calcat_creation_time\n",
     "from cal_tools.files import DataFile\n",
@@ -135,20 +138,16 @@
     "cal_db_root = Path(cal_db_root)\n",
     "\n",
     "metadata = CalibrationMetadata(metadata_folder or out_folder)\n",
-    "# Constant paths & timestamps are saved under retrieved-constants in calibration_metadata.yml\n",
-    "retrieved_constants = metadata.setdefault(\"retrieved-constants\", {})\n",
     "\n",
     "creation_time = calcat_creation_time(in_folder, run, creation_time)\n",
     "print(f'Using {creation_time.isoformat()} as creation time')\n",
     "\n",
     "# Pick all modules/aggregators or those selected.\n",
-    "if karabo_da == ['all']:\n",
-    "    if modules == [-1]:\n",
+    "if not karabo_da or karabo_da == ['']:\n",
+    "    if not modules or modules == [-1]:\n",
     "        modules = list(range(16))\n",
     "\n",
     "    karabo_da = [f'LPD{i:02d}' for i in modules]\n",
-    "else:\n",
-    "    modules = [int(x[-2:]) for x in karabo_da]\n",
     "    \n",
     "# Pick all sequences or those selected.\n",
     "if not sequences or sequences == [-1]:\n",
@@ -198,17 +197,6 @@
     "# Obtain and prepare calibration constants"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "metadata = CalibrationMetadata(metadata_folder or out_folder)\n",
-    "# Constant paths & timestamps are saved under retrieved-constants in calibration_metadata.yml\n",
-    "const_yaml = metadata.setdefault(\"retrieved-constants\", {})"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -232,11 +220,23 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "tags": []
-   },
+   "metadata": {},
+   "outputs": [],
+   "source": [
+<<<<<<< HEAD
+=======
+    "metadata = CalibrationMetadata(metadata_folder or out_folder)\n",
+    "# Constant paths & timestamps are saved under retrieved-constants in calibration_metadata.yml\n",
+    "const_yaml = metadata.setdefault(\"retrieved-constants\", {})"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
    "outputs": [],
    "source": [
+>>>>>>> remove LPD changes
     "const_data = {}\n",
     "const_load_mp = psh.ProcessContext(num_workers=24)\n",
     "\n",
@@ -248,6 +248,7 @@
     "\n",
     "            dtype = np.uint32 if calibration_name.startswith('BadPixels') else np.float32\n",
     "\n",
+<<<<<<< HEAD
 <<<<<<< HEAD
     "            const_data[(da, calibration_name)] = dict(\n",
     "                path=Path(ccv['path']),\n",
@@ -255,6 +256,40 @@
     "                data=const_load_mp.alloc(shape=(256, 256, mem_cells, 3), dtype=dtype)\n",
     "            )\n",
     "else:  # Retrieve constants from CALCAT.\n",
+=======
+    "            const_data[(da, calibration_name)] = dict(\n",
+    "                path=Path(ccv['file-path']),\n",
+    "                dataset=ccv['dataset-name'],\n",
+    "                data=const_load_mp.alloc(shape=(256, 256, mem_cells, 3), dtype=dtype)\n",
+    "            )\n",
+    "else:  # Retrieve constants from CALCAT.\n",
+    "    dark_calibrations = {\n",
+    "        1: 'Offset',  # np.float32\n",
+    "        14: 'BadPixelsDark'  # should be np.uint32, but is np.float64\n",
+    "    }\n",
+    "\n",
+    "    dark_condition = [\n",
+    "        dict(parameter_id=1, value=bias_voltage),  # Sensor bias voltage\n",
+    "        dict(parameter_id=7, value=mem_cells),  # Memory cells\n",
+    "        dict(parameter_id=15, value=capacitor),  # Feedback capacitor\n",
+    "        dict(parameter_id=13, value=256),  # Pixels X\n",
+    "        dict(parameter_id=14, value=256),  # Pixels Y\n",
+    "    ]\n",
+    "\n",
+    "    illuminated_calibrations = {\n",
+    "        20: 'BadPixelsFF',  # np.uint32\n",
+    "        42: 'GainAmpMap',  # np.float32\n",
+    "        43: 'FFMap',  # np.float32\n",
+    "        44: 'RelativeGain'  # np.float32\n",
+    "    }\n",
+    "\n",
+    "    illuminated_condition = dark_condition.copy()\n",
+    "    illuminated_condition += [\n",
+    "        dict(parameter_id=3, value=photon_energy),  # Source energy\n",
+    "        dict(parameter_id=25, value=category)  # category\n",
+    "    ]\n",
+    "\n",
+>>>>>>> remove LPD changes
     "    print('Querying calibration database', end='', flush=True)\n",
     "    start = perf_counter()\n",
     "    for calibrations, condition in [\n",
@@ -264,8 +299,12 @@
     "        resp = CalibrationConstantVersion.get_closest_by_time_by_detector_conditions(\n",
     "            client, karabo_id, list(calibrations.keys()),\n",
     "            {'parameters_conditions_attributes': condition},\n",
+<<<<<<< HEAD
     "            karabo_da='', event_at=creation_time.isoformat()\n",
     "        )\n",
+=======
+    "            karabo_da='', event_at=creation_time.isoformat(), snapshot_at=None)\n",
+>>>>>>> remove LPD changes
     "\n",
     "        if not resp['success']:\n",
     "            raise RuntimeError(resp)\n",
@@ -284,6 +323,7 @@
     "            )\n",
     "        print('.', end='', flush=True)\n",
     "            \n",
+<<<<<<< HEAD
 =======
     "else:\n",
     "    lpd_cal = LPD_CalibrationData(\n",
@@ -319,6 +359,30 @@
     "print(f'{total_time:.1f}s')"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def load_constant_dataset(wid, index, const_descr):\n",
+    "    ccv_entry = const_data[const_descr]\n",
+    "    \n",
+    "    with h5py.File(cal_db_root / ccv_entry['path'], 'r') as fp:\n",
+    "        fp[ccv_entry['dataset'] + '/data'].read_direct(ccv_entry['data'])\n",
+    "        \n",
+    "    print('.', end='', flush=True)\n",
+    "\n",
+    "print('Loading calibration data', end='', flush=True)\n",
+    "start = perf_counter()\n",
+    "const_load_mp.map(load_constant_dataset, list(const_data.keys()))\n",
+=======
+>>>>>>> remove LPD changes
+    "total_time = perf_counter() - start\n",
+    "\n",
+    "print(f'{total_time:.1f}s')"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -588,7 +652,8 @@
     "ExecuteTime": {
      "end_time": "2018-11-13T18:24:57.547563Z",
      "start_time": "2018-11-13T18:24:56.995005Z"
-    }
+    },
+    "scrolled": false
    },
    "outputs": [],
    "source": [
diff --git a/notebooks/LPD/LPD_retrieve_constants_precorrection.ipynb b/notebooks/LPD/LPD_retrieve_constants_precorrection.ipynb
index 37468ba95bb853a8631f491c5d48cbf8968b0b4b..54b59af989660bf95979b0d60549a6705a9382a3 100644
--- a/notebooks/LPD/LPD_retrieve_constants_precorrection.ipynb
+++ b/notebooks/LPD/LPD_retrieve_constants_precorrection.ipynb
@@ -22,7 +22,7 @@
     "out_folder = \"/gpfs/exfel/data/scratch/ahmedk/test/remove/LPD_test\"  # the folder to output to, required\n",
     "metadata_folder = ''  # Directory containing calibration_metadata.yml when run by xfel-calibrate.\n",
     "modules = [-1]  # Modules indices to correct, use [-1] for all, only used when karabo_da is empty\n",
-    "karabo_da = ['all']  # Data aggregators names to correct, use [''] for all\n",
+    "karabo_da = ['']  # Data aggregators names to correct, use [''] for all\n",
     "run = 10  # run to process, required\n",
     "\n",
     "# Source parameters\n",
@@ -45,17 +45,18 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from logging import warning\n",
     "from pathlib import Path\n",
+    "from time import perf_counter\n",
+    "\n",
+    "from calibration_client import CalibrationClient\n",
+    "from calibration_client.modules import CalibrationConstantVersion\n",
     "\n",
-    "from cal_tools.calcat_interface import LPD_CalibrationData\n",
     "from cal_tools.tools import (\n",
     "    CalibrationMetadata,\n",
     "    calcat_creation_time,\n",
+    "    save_constant_metadata,\n",
     ")\n",
-    "from calibration_client import CalibrationClient\n",
-    "from cal_tools.restful_config import restful_config\n",
-    "from cal_tools.step_timing import StepTimer"
+    "from cal_tools.restful_config import restful_config"
    ]
   },
   {
@@ -75,21 +76,11 @@
     "print(f'Using {creation_time.isoformat()} as creation time')\n",
     "\n",
     "# Pick all modules/aggregators or those selected.\n",
-    "if karabo_da == ['all']:\n",
-    "    if modules == [-1]:\n",
+    "if not karabo_da or karabo_da == ['']:\n",
+    "    if not modules or modules == [-1]:\n",
     "        modules = list(range(16))\n",
-    "    karabo_da = [f'LPD{i:02d}' for i in modules]\n",
-    "else:\n",
-    "    modules = [int(x[-2:]) for x in karabo_da]"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "step_timer = StepTimer()"
+    "\n",
+    "    karabo_da = [f'LPD{i:02d}' for i in modules]   "
    ]
   },
   {
@@ -118,23 +109,17 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "step_timer.start()\n",
-    "lpd_cal = LPD_CalibrationData(\n",
-    "    detector_name=karabo_id,\n",
-    "    modules=karabo_da,\n",
-    "    sensor_bias_voltage=bias_voltage,\n",
-    "    memory_cells=mem_cells,\n",
-    "    feedback_capacitor=capacitor,\n",
-    "    source_energy=photon_energy,\n",
-    "    category=category,\n",
-    "    event_at=creation_time,\n",
-    "    snapshot_at=creation_time,\n",
-    "    client=client,\n",
-    ")\n",
-    "constant_names = [\n",
-    "    \"Offset\", \"BadPixelsDark\",\n",
-    "    \"BadPixelsFF\", \"GainAmpMap\",\n",
-    "    \"FFMap\", \"RelativeGain\",\n",
+    "dark_calibrations = {\n",
+    "    1: 'Offset',\n",
+    "    14: 'BadPixelsDark',\n",
+    "}\n",
+    "\n",
+    "dark_condition = [\n",
+    "    dict(parameter_id=1, value=bias_voltage),  # Sensor bias voltage\n",
+    "    dict(parameter_id=7, value=mem_cells),  # Memory cells\n",
+    "    dict(parameter_id=15, value=capacitor),  # Feedback capacitor\n",
+    "    dict(parameter_id=13, value=256),  # Pixels X\n",
+    "    dict(parameter_id=14, value=256),  # Pixels Y\n",
     "]\n",
     "\n",
     "print('Querying calibration database', end='', flush=True)\n",
@@ -182,7 +167,9 @@
     "    retrieved_constants[mod] = mdata_dict\n",
     "metadata.save()\n",
     "\n",
-    "step_timer.done_step(f\"Stored retrieved constants in {metadata.filename}.\")"
+    "total_time = perf_counter() - start\n",
+    "print(f'{total_time:.1f}s')\n",
+    "print(f\"Stored retrieved constants in {metadata.filename}\")"
    ]
   }
  ],
diff --git a/notebooks/ePix100/Correction_ePix100_NBC.ipynb b/notebooks/ePix100/Correction_ePix100_NBC.ipynb
index a18f7c655b17f6e643761fc8300a35eaf6579e11..b7ef354bff5d828dad118edfd7fde16ebf7cd12a 100644
--- a/notebooks/ePix100/Correction_ePix100_NBC.ipynb
+++ b/notebooks/ePix100/Correction_ePix100_NBC.ipynb
@@ -881,9 +881,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": ".cal2_venv",
+   "display_name": "cal_venv",
    "language": "python",
-   "name": "python3"
+   "name": "cal_venv"
   },
   "language_info": {
    "codemirror_mode": {