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        "\n# Dealias doppler velocities using the Region Based Algorithm\n\nIn this example doppler velocities are dealiased using the ial condition of the dealiasing,\nusing the region-based dealiasing algorithm in Py-ART.\n"
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        "print(__doc__)\n\n# Author: Jonathan J. Helmus (jhelmus@anl.gov)\n# License: BSD 3 clause\n\nimport matplotlib.pyplot as plt\n\nimport pyart\nfrom pyart.testing import get_test_data\n\nradar_file = get_test_data(\"095636.mdv\")\nsonde_file = get_test_data(\"sgpinterpolatedsondeC1.c1.20110510.000000.cdf\")\n\n# read in the data\nradar = pyart.io.read_mdv(radar_file)\n\n# read in sonde data\ndt, profile = pyart.io.read_arm_sonde_vap(sonde_file, radar=radar)\n\n# create a gate filter which specifies gates to exclude from dealiasing\ngatefilter = pyart.filters.GateFilter(radar)\ngatefilter.exclude_transition()\ngatefilter.exclude_invalid(\"velocity\")\ngatefilter.exclude_invalid(\"reflectivity\")\ngatefilter.exclude_outside(\"reflectivity\", 0, 80)\n\n# perform dealiasing\ndealias_data = pyart.correct.dealias_region_based(radar, gatefilter=gatefilter)\nradar.add_field(\"corrected_velocity\", dealias_data)\n\n# create a plot of the first and sixth sweeps\nfig = plt.figure(figsize=(15, 10))\nax1 = fig.add_subplot(221)\ndisplay = pyart.graph.RadarDisplay(radar)\ndisplay.plot(\n    \"velocity\",\n    0,\n    vmin=-16,\n    vmax=16,\n    ax=ax1,\n    colorbar_label=\"\",\n    title=\"Raw Doppler Velocity, First Sweep\",\n)\n\nax2 = fig.add_subplot(222)\ndisplay.plot(\n    \"corrected_velocity\",\n    0,\n    vmin=-40,\n    vmax=40,\n    colorbar_label=\"\",\n    ax=ax2,\n    title=\"Corrected Doppler Velocity, First Sweep\",\n)\n\nax3 = fig.add_subplot(223)\ndisplay = pyart.graph.RadarDisplay(radar)\ndisplay.plot(\n    \"velocity\",\n    5,\n    vmin=-16,\n    vmax=16,\n    colorbar_label=\"\",\n    ax=ax3,\n    title=\"Raw Doppler Velocity, Sixth Sweep\",\n)\n\nax4 = fig.add_subplot(224)\ndisplay.plot_ppi(\n    \"corrected_velocity\",\n    5,\n    vmin=-40,\n    vmax=40,\n    colorbar_label=\"\",\n    ax=ax4,\n    title=\"Corrected Doppler Velocity, Sixth Sweep\",\n)\nplt.suptitle(\"Velocity dealiasing using Py-ART\", fontsize=16)\nplt.show()"
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