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96 lines
3.2 KiB
96 lines
3.2 KiB
#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# |
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# airspace checker |
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# Copyright (C) 2010 Marc Poulhiès |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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import osgeo.ogr |
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import osgeo.osr |
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import os |
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import os.path |
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import sys |
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import airspace.parser |
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import airspace.util |
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import airspace.track |
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p = airspace.parser.OAIRParser(sys.argv[1]) |
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print "Parsing..." |
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p.parse() |
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print "[OK] %d zones" %len(p.zones) |
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track = airspace.track.loadSimpleTxt('toto.txt') |
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print track.GetPointCount() |
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found_an_intersection = 0 |
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intersected_segs = [] |
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print "Track bbox: ", track.GetEnvelope() |
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zones_to_check = p.zones.intersection(track.GetEnvelope()) |
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print "Potential crossed zones:", len(zones_to_check) |
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for zone in zones_to_check: |
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##for zone in p.zones.list: |
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poly = zone.finish() |
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if poly.Intersect(track): |
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found_an_intersection += 1 |
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print "Intersection with", zone.name |
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intersected_segs.append((airspace.util.getSubLineStringInZone(track,poly), zone)) |
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if found_an_intersection > 0: |
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print "Found %d potential intersections." % found_an_intersection |
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true_positive_inters = {} |
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false_positive_inters = {} |
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print intersected_segs |
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for subtracks,interzone in intersected_segs: |
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confirmed = False |
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for subtrack in subtracks: |
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for pt_idx in xrange(subtrack.GetPointCount()): |
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lon,lat,alt = subtrack.GetPoint(pt_idx) |
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ceil_alt = interzone.getCeilAtPoint(lat,lon) |
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floor_alt = interzone.getFloorAtPoint(lat,lon) |
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if alt > floor_alt and alt < ceil_alt: |
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confirmed = True |
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print "%f/%f@%f in zone '%s' (%f< %f < %f)" % (lat,lon,alt, |
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interzone.name, |
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floor_alt, alt, ceil_alt) |
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if confirmed: |
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if interzone in true_positive_inters: |
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true_positive_inters[interzone].append(subtrack) |
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else: |
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d = [subtrack] |
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true_positive_inters[interzone] = d |
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else: |
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if interzone in false_positive_inters: |
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false_positive_inters[interzone].append(subtrack) |
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else: |
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d = [subtrack] |
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false_positive_inters[interzone] = d |
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print "confirmed inter: %d" % len(true_positive_inters) |
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print "false positive inter: %d" % len(false_positive_inters) |
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for zone,tracks in true_positive_inters.items(): |
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print "inter with :", zone.name |
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else: |
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print "No intersection found." |
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##airspace.util.writeGeometriesToShapeFile(intersected_segs, "test.shp")
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