Initial commit of magma's mascgen algorithm in Python

lris2-mascgen/LICENSE

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+MIT License
+
+Copyright (c) [year] [fullname]
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

lris2-mascgen/README.md

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+# lris2-mascgen
+
+Mask generation algorithm for LRIS2 CSU.
+
+

lris2-mascgen/config.yaml

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+## Configuration file for CSU parameters for LRIS2 (currently same as MOSFIRE)
+
+instrument: LRIS2
+num_bar_pairs: 46
+arcsec_per_mm: 1.38028
+single_slit_height_mm: 5.082
+overlap_mm: 0.698
+csu_fp_radius: 207.0
+csu_slit_tilt_angle: 4.0
+csu_zero_pt: 137.4
+star_edge_distance: 20.0

lris2-mascgen/example.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "id": "initial_id",
+   "metadata": {
+    "collapsed": true,
+    "ExecuteTime": {
+     "end_time": "2025-09-11T18:04:17.445154Z",
+     "start_time": "2025-09-11T18:04:16.883236Z"
+    }
+   },
+   "source": "%run lris2_csulava/magma_algorithm.py --xrange 3 --xcenter 0 --slitwidth 0.7 --ditherspace 2.5 --centerpa 0 --xsteps 1 --xstepsize 1.0 --ysteps 1 --ystepsize 1.0 --pasteps 1 --pastepsize 1.0 --min_alignment_stars 0 --star-edge-buffer 2.0 --runcop ../Mascgen\\ Folder-\\ MAGMA\\ Development\\ history/q1700.coords",
+   "outputs": [
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "INFO:__main__:Center coordinates: RA=255.226286 Dec=64.205267 degrees\n",
+      "INFO:__main__:Total iterations: 27, xsteps: 3, ysteps: 3, pasteps: 3\n",
+      "INFO:__main__:*** STARTING OPTIMIZATION ***\n",
+      "INFO:__main__:New optimal found at run 1, best score so far is 5700.0\n",
+      "INFO:__main__:New optimal found at run 8, best score so far is 6150.0\n",
+      "INFO:__main__:New optimal found at run 17, best score so far is 6150.0\n",
+      "INFO:__main__:New optimal found at run 26, best score so far is 6150.0\n",
+      "INFO:__main__:*** OPTIMIZATION COMPLETE ***\n",
+      "INFO:__main__:Optimal solution found at run 26 with total priority 6150.0.\n",
+      "INFO:__main__:Final Center: RA=255.229485, Dec=64.205545, PA=1.00\n",
+      "INFO:__main__:Number of legal alignment stars: 0\n",
+      "INFO:__main__:Number of targets in optimal solution: 28\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Function 'optimize' executed in 0.4102 seconds.\n",
+      "Function 'optimize' executed in 0.0055 seconds.\n",
+      "Function 'optimize' executed in 0.0045 seconds.\n",
+      "Function 'optimize' executed in 0.0044 seconds.\n",
+      "Function 'optimize' executed in 0.0044 seconds.\n",
+      "Function 'optimize' executed in 0.0043 seconds.\n",
+      "Function 'optimize' executed in 0.0043 seconds.\n",
+      "Function 'optimize' executed in 0.0044 seconds.\n",
+      "Function 'optimize' executed in 0.0049 seconds.\n",
+      "Function 'optimize' executed in 0.0042 seconds.\n",
+      "Function 'optimize' executed in 0.0043 seconds.\n",
+      "Function 'optimize' executed in 0.0042 seconds.\n",
+      "Function 'optimize' executed in 0.0042 seconds.\n",
+      "Function 'optimize' executed in 0.0042 seconds.\n",
+      "Function 'optimize' executed in 0.0041 seconds.\n",
+      "Function 'optimize' executed in 0.0041 seconds.\n",
+      "Function 'optimize' executed in 0.0044 seconds.\n",
+      "Function 'optimize' executed in 0.0048 seconds.\n",
+      "Function 'optimize' executed in 0.0050 seconds.\n",
+      "Function 'optimize' executed in 0.0055 seconds.\n",
+      "Function 'optimize' executed in 0.0046 seconds.\n",
+      "Function 'optimize' executed in 0.0041 seconds.\n",
+      "Function 'optimize' executed in 0.0040 seconds.\n",
+      "Function 'optimize' executed in 0.0041 seconds.\n",
+      "Function 'optimize' executed in 0.0041 seconds.\n",
+      "Function 'optimize' executed in 0.0041 seconds.\n",
+      "Function 'optimize' executed in 0.0049 seconds.\n",
+      "Script executed in 0.55 seconds.\n"
+     ]
+    }
+   ],
+   "execution_count": null
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2025-09-11T17:56:37.942927Z",
+     "start_time": "2025-09-11T17:56:37.940699Z"
+    }
+   },
+   "cell_type": "code",
+   "source": "",
+   "id": "a793e10dbfecd011",
+   "outputs": [],
+   "execution_count": null
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}