{ "cells": [ { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "%matplotlib inline\n", "import sys\n", "\n", "# Change to your path to gprMax\n", "path = '/Users/cwarren/Documents/Git-projects/gprMax/'\n", "sys.path.append(path)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "# Plotting an A-scan\n", "\n", "In the ``tools`` sub-package is a module called ``plot_Ascan`` which can be used to plot A-scans or single traces from models. The module will plot electric and magnetic field components and currents from any outputs (defined using the ``#rx`` command) in a model. When a single field component or current is specified, a FFT can also be plotted. The module takes the arguments:\n", "\n", "* ``--outputs`` which can be any field component or current, i.e. ``Ex``, ``Ey``, ``Ez``, ``Hx``, ``Hy``, ``Hz``, ``Ix``, ``Iy``, or ``Iz``, so long as those components or currents were specified in the output in the model (by default all components and currents are output)\n", "* ``-fft`` a switch to turn on the FFT plotting for a single field component or current\n", "\n", "Each output (``#rx``) from a model will be plotted in a separate figure window.\n", "\n", "For example (to use the module outside this notebook) to plot the ``Ez`` component of an output with its FFT:\n", "\n", " python -m tools.plot_Ascan user_models/cylinder_Ascan_2D.out --outputs Ez -fft" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "You can use the following code to experiment (in this notebook) with plotting different field/current components and FFTs." ] }, { "cell_type": "code", "execution_count": 2, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/html": [ "\n", "
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\n", "" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "import os\n", "\n", "from gprMax.receivers import Rx\n", "from tools.plot_Ascan import make_plot\n", "\n", "filename = os.path.join(path, 'user_models', 'cylinder_Ascan_2D.out')\n", "outputs = ['Ez']\n", "make_plot(filename, outputs, fft=False)" ] } ], "metadata": { "kernelspec": { "display_name": "Python 3", "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": "3.5.1" } }, "nbformat": 4, "nbformat_minor": 0 }