{ "cells": [ { "cell_type": "raw", "metadata": { "raw_mimetype": "text/restructuredtext" }, "source": [ ".. _integrator:\n", "\n", "***********************************\n", "API example for the formal integral\n", "***********************************" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "There are currently two ways to invoke the calculation of the formal integral with tardis. The first is for the use in interactive shells and scripts and the second one for running tardis with the command line script `tardis`.\n", "\n", "Let's start with some common imports:" ] }, { "cell_type": "code", "execution_count": 1, "metadata": { "scrolled": false }, "outputs": [ { "name": "stderr", "output_type": "stream", "text": [ "/home/stefan/anaconda2/envs/tardis/lib/python2.7/site-packages/IPython/kernel/__init__.py:13: ShimWarning: The `IPython.kernel` package has been deprecated since IPython 4.0.You should import from ipykernel or jupyter_client instead.\n", " \"You should import from ipykernel or jupyter_client instead.\", ShimWarning)\n" ] }, { "name": "stdout", "output_type": "stream", "text": [ "Populating the interactive namespace from numpy and matplotlib\n" ] } ], "source": [ "%pylab notebook\n", "import tardis\n", "from tardis.io.config_reader import Configuration\n", "from tardis.simulation import Simulation\n", "config_fname = tardis.__path__[0] + '/../../data/tardis_example/tardis_example_integral.yml'" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "We run tardis in an interactive shell the usual way. Afterwards, we can call `simulation.runner.integrator.calculate_spectrum(frequency)` to create an integrated spectrum for any list of frequencies." ] }, { "cell_type": "code", "execution_count": 2, "metadata": { "scrolled": true }, "outputs": [ { "name": "stderr", "output_type": "stream", "text": [ "[\u001b[1mtardis.plasma.standard_plasmas\u001b[0m][\u001b[1;37mINFO\u001b[0m ] Reading Atomic Data from /media/data/projects/tardis/tardis-code/tardis/../../data/tardis_example/kurucz_cd23_chianti_H_He.h5 (\u001b[1mstandard_plasmas.py\u001b[0m:72)\n", "tardis.plasma.standard_plasmas - \u001b[1;37mINFO\u001b[0m - Reading Atomic Data from /media/data/projects/tardis/tardis-code/tardis/../../data/tardis_example/kurucz_cd23_chianti_H_He.h5\n", "tardis.atomic - INFO - Read Atom Data with UUID=5ca3035ca8b311e3bb684437e69d75d7 and MD5=21095dd25faa1683f4c90c911a00c3f8\n", "[\u001b[1mtardis.plasma.base \u001b[0m][\u001b[1;34mDEBUG\u001b[0m ] Updating modules in the following order: (\u001b[1mbase.py\u001b[0m:195)\n", "tardis.plasma.base - \u001b[1;34mDEBUG\u001b[0m - Updating modules in the following order:\n", "[\u001b[1mtardis.montecarlo.base\u001b[0m][\u001b[1;34mDEBUG\u001b[0m ] Electron scattering switched on (\u001b[1mbase.py\u001b[0m:411)\n", "tardis.montecarlo.base - \u001b[1;34mDEBUG\u001b[0m - Electron scattering switched on\n", "[\u001b[1mtardis.simulation.base\u001b[0m][\u001b[1;37mINFO\u001b[0m ] Starting iteration 1/1 (\u001b[1mbase.py\u001b[0m:194)\n", "tardis.simulation.base - \u001b[1;37mINFO\u001b[0m - Starting iteration 1/1\n", "[\u001b[1mtardis.simulation.base\u001b[0m][\u001b[1;37mINFO\u001b[0m ] Luminosity emitted = 8.03041e+42 erg / s Luminosity absorbed = 2.57695e+42 erg / s Luminosity requested = 1.05928e+43 erg / s (\u001b[1mbase.py\u001b[0m:271)\n", "tardis.simulation.base - \u001b[1;37mINFO\u001b[0m - Luminosity emitted = 8.03041e+42 erg / s Luminosity absorbed = 2.57695e+42 erg / s Luminosity requested = 1.05928e+43 erg / s\n", "[\u001b[1mtardis.simulation.base\u001b[0m][\u001b[1;37mINFO\u001b[0m ] Simulation finished in 1 iterations and took 0.90 s (\u001b[1mbase.py\u001b[0m:221)\n", "tardis.simulation.base - \u001b[1;37mINFO\u001b[0m - Simulation finished in 1 iterations and took 0.90 s\n" ] } ], "source": [ "simulation = tardis.run_tardis(config_fname);" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "For simplicity we use the list of frequencies defined by the configuration. We could use any other list that is a astropy Quantity which can be transformed into a frequency (e.g. a list of wavelengths in angstrom works, too).\n", "\n", "The integration returns a `TARDISSpectrum` instance holding variables like the luminosity_density in nu and lambda." ] }, { "cell_type": "code", "execution_count": 3, "metadata": {}, "outputs": [], "source": [ "wl = simulation.runner.spectrum.frequency\n", "spectrum = simulation.runner.integrator.calculate_spectrum(wl)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Here is a simple plot of the integrated spectrum (blue) in comparison with the virtual spectrum (green)." ] }, { "cell_type": "code", "execution_count": 4, "metadata": { "scrolled": false }, "outputs": [ { "data": { "application/javascript": [ "/* Put everything inside the global mpl namespace */\n", "window.mpl = {};\n", "\n", "mpl.get_websocket_type = function() {\n", " if (typeof(WebSocket) !== 'undefined') {\n", " return WebSocket;\n", " } else if (typeof(MozWebSocket) !== 'undefined') {\n", " return MozWebSocket;\n", " } else {\n", " alert('Your browser does not have WebSocket support.' +\n", " 'Please try Chrome, Safari or Firefox ≥ 6. 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