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WIP: Glue unit conversion in Jdaviz. [ci skip] [rtd skip]
Co-authored-by: Jesse Averbukh <javerbukh@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "markdown", | ||
| "id": "57c41ae5", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "This is a concept notebook to investigate Glue unit conversion behavior integrated into Jdaviz spectrum viewer." | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "2b3bbfb1", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "import numpy as np\n", | ||
| "from astropy import units as u\n", | ||
| "from specutils import Spectrum1D\n", | ||
| "\n", | ||
| "from jdaviz import Specviz" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "id": "0d253733", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "First spectrum." | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "cba69bb7", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "wave1 = np.linspace(2, 5, 10) * u.um\n", | ||
| "flux1 = [1, 2, 3, 4, 5, 5, 4, 3, 2, 1] * u.Jy\n", | ||
| "spec1 = Spectrum1D(flux=flux1, spectral_axis=wave1)\n", | ||
| "\n", | ||
| "print(wave1)\n", | ||
| "print(flux1)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "id": "1e0e7dc5", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "Second spectrum in different units and with slight offsets in spectral axis." | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "26bc794d", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "wave2 = (wave1 + (0.1 * u.um)).to(u.GHz, u.spectral())\n", | ||
| "flux2 = flux1.to(u.mJy)\n", | ||
| "spec2 = Spectrum1D(flux=flux2, spectral_axis=wave2)\n", | ||
| "\n", | ||
| "print(wave2)\n", | ||
| "print(wave2.to(u.um, u.spectral()))\n", | ||
| "print(flux2)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "id": "2bb4f4ea", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "Fire up Specviz." | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "74692a02", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "specviz = Specviz()" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "efdba701", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "specviz.show()" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "markdown", | ||
| "id": "642fbae1", | ||
| "metadata": {}, | ||
| "source": [ | ||
| "Load the data into Specviz. Desired behavior:\n", | ||
| "\n", | ||
| "1. \"Jy_um\" would load with Jy in Y-axis and um in X-axis.\n", | ||
| "2. \"mJy_GHz\" would load with data automatically converted to Jy and um in the plot. You would see the same shape but slightly offset in X-axis, just slightly." | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "5ee09160", | ||
| "metadata": { | ||
| "scrolled": true | ||
| }, | ||
| "outputs": [], | ||
| "source": [ | ||
| "specviz.load_data(spec1, data_label=\"Jy_um\")" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "9655292b", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [ | ||
| "specviz.load_data(spec2, data_label=\"mJy_GHz\")" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "id": "ed8974c9", | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "kernelspec": { | ||
| "display_name": "Python 3 (ipykernel)", | ||
| "language": "python", | ||
| "name": "python3" | ||
| }, | ||
| "language_info": { | ||
| "codemirror_mode": { | ||
| "name": "ipython", | ||
| "version": 3 | ||
| }, | ||
| "file_extension": ".py", | ||
| "mimetype": "text/x-python", | ||
| "name": "python", | ||
| "nbconvert_exporter": "python", | ||
| "pygments_lexer": "ipython3", | ||
| "version": "3.10.8" | ||
| } | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 5 | ||
| } |