Beispiel #1
0
def main(action=None):
    debug = False

    # <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
    # ~~~~ Reads config file ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    print '\n\nInterpreting command line options\n' + '~' * 72 + '\n'
    parser = ArgumentParser(\
       formatter_class=RawDescriptionHelpFormatter,
       description=('''\n
Tools for handling KENUE files and related in python
      '''))
    parser.add_argument("args", nargs='*')
    # valid for i2s / i3s
    parser.add_argument(\
       "--replace",action="store_true",dest="freplace",default=False,
       help="if present, the output file will eventualy replace the input file" )
    parser.add_argument(\
       "--duplicates",action="store_true",dest="fduplicates",default=False,
       help="if present, remove duplicate points" )
    parser.add_argument(\
       "--duplangles",action="store_true",dest="fduplangles",default=False,
       help="if present, remove return angles" )
    parser.add_argument(\
       "--subdivise",dest="fsubdivise",default=None,
       help="if present, use the subdivise method (first)" )
    parser.add_argument(\
       "--subsample",dest="fsubsample",default=None,
       help="if present, use the subsample method (distance=..;angle=.." )
    parser.add_argument(\
       "--clockwise",action="store_true",dest="fclock",default=False,
       help="if present, anticlockwise polylines will be converted clockwise" )
    parser.add_argument(\
       "--aclockwise",action="store_true",dest="faclock",default=False,
       help="if present, clockwise polylines will be converted anticlockwise" )
    parser.add_argument(\
       "--sph2ll",dest="sph2ll",default=None,
       help="convert from spherical to longitude-latitude" )
    parser.add_argument(\
       "--ll2sph",dest="ll2sph",default=None,
       help="convert from longitude-latitude to spherical" )

    options = parser.parse_args()
    if not action is None:
        options.args.insert(0, action)
    if len(options.args) < 1:
        print '\nThe name of one file at least is required\n'
        parser.print_help()
        sys.exit(1)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
# ~~~~ Reads code name ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    codeName = options.args[0]

    # <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
    # ~~~~ Case of I2S / I3S ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    if codeName in ['i2s', 'i3s']:

        if not options.freplace:
            if len(options.args) != 3:
                print '\nThe code ', codeName, ' (without --replace) uses a minimum of 2 argumensts, aside from the options\n'
                parser.print_help()
                sys.exit(1)
            insFiles = [options.args[1]]
            outFile = options.args[2]
        else:
            insFiles = options.args[1:]
            outFile = "smooth-tmp.i2s"

        for insFile in insFiles:

            insFile = path.realpath(
                insFile
            )  #/!\ to do: possible use of os.path.relpath() and comparison with os.getcwd()
            print '\n\nProcessing ' + path.basename(
                insFile) + ' within ' + path.dirname(
                    insFile) + '\n' + '~' * 72 + '\n'
            ins = InS(insFile)
            if options.sph2ll != None: ins.sph2ll(options.sph2ll.split(":"))
            if options.ll2sph != None: ins.ll2sph(options.ll2sph.split(":"))
            if options.fclock:
                print '\nMake closed loops clockwise'
                ins.makeClockwise()
            if options.faclock:
                print '\nMake closed loops anti-clockwise'
                ins.makeAntiClockwise()
            #if options.fduplicates:
            #   print '\nRemove duplicates'
            #   ins.removeDuplicates()
            #if options.fduplangles:
            #   print '\nRemove return angles'
            #   ins.removeDuplangles()
            if options.fsubdivise != None:
                print '\nSubdivise and average'
                ins.smoothSubdivise(float(options.fsubdivise))
            if options.fsubsample != None:
                distance = ''
                angle = ''
                for dw in options.fsubsample.split(';'):
                    if "dist" in dw.split('=')[0]: distance = dw.split('=')[1]
                    if "angl" in dw.split('=')[0]: angle = dw.split('=')[1]
                if distance != '':
                    print '\nSubsample based on proximity'
                    ins.smoothSubsampleDistance(float(distance))
                if angle != '':
                    print '\nSubsample based on flatness'
                    ins.smoothSubsampleAngle(float(angle))

            ins.putContent(outFile)

            if options.freplace: moveFile(outFile, insFile)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
# ~~~~ Case of UNKNOWN ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    else:
        print '\nDo not know what to do with this code name: ', codeName
        sys.exit(1)


# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
# ~~~~ Jenkins' success message ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    print '\n\nMy work is done\n\n'
    sys.exit(0)
Beispiel #2
0
                print '\nSubdivise and average'
                ins.smoothSubdivise(float(options.fsubdivise))
            if options.fsubsample != None:
                distance = ''
                angle = ''
                for dw in options.fsubsample.split(';'):
                    if "dist" in dw.split('=')[0]: distance = dw.split('=')[1]
                    if "angl" in dw.split('=')[0]: angle = dw.split('=')[1]
                if distance != '':
                    print '\nSubsample based on proximity'
                    ins.smoothSubsampleDistance(float(distance))
                if angle != '':
                    print '\nSubsample based on flatness'
                    ins.smoothSubsampleAngle(float(angle))

            ins.putContent(outFile)

            if options.freplace: moveFile(outFile, slfFile)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
# ~~~~ Case of UNKNOWN ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    else:
        print '\nDo not know what to do with this code name: ', codeName
        sys.exit()

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
# ~~~~ Jenkins' success message ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    print '\n\nMy work is done\n\n'

    sys.exit()
Beispiel #3
0
   print '\n\nInterpreting command line options\n'+'~'*72+'\n'
   parser = ArgumentParser(\
      formatter_class=RawDescriptionHelpFormatter,
      description=('''\n
Tools for handling Janet native files in python.
   Janet and its related software (..., ) are property of Smile Consulting
      '''))
   parser.add_argument( "args",nargs='*' )
   options = parser.parse_args()

   if len(options.args) != 1:
      print '\nThis program takes only one INSEL type file as a time as input.\n ... an i2s or i3s file of the same name will be created depending on the INSEL content.'
      sys.exit(1)

   janFile = options.args[0]
   head,tail = path.splitext(janFile)
   insel = INSEL(janFile)

   ins = InS('')
   if insel.fileType: ins.fileType = 'i3s'
   else: ins.fileType = 'i2s'
   kenFile = head+'.'+ins.fileType
   insel.toi2s(ins)
   ins.putContent(kenFile)

# <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
# ~~~~ Jenkins' success message ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   print '\n\nMy work is done\n\n'

   sys.exit(0)
Beispiel #4
0
class Polygons:
    def __init__(self):
        self.object = None
        self.coordinates = {
            'type': None
        }  # important for coordinate conversions and distance calculations

        # self.poly = []      # list of several polygons, each being defined as a pairs of x,y
        # self.vals = []      # list of several polygons, each being defined as the values for the corresponding nodes
        # self.type = []      # an tuples of integers for each polygon, where for the
        #    first value: 0 = open; 1 = closed clockwise; 2 = closed anti-clockwise; 3 = ...
        #    second value: 0 = soft line; 1 = hard line; 2 = ...
        # self.atrbut = []    # a list of attributs for each polygon, common to all nodes on the polygon
        self.npoly = 0
        self.npoin = 0  # /!\ the poly does not duplicate the first and last node for closed contours

    def parseContent(self, fileName):
        # file parsing is based on the name of the extension
        _, tail = path.splitext(fileName)
        # ~~> Case of a Kenue type i2s/i3s file
        if tail in ['.i2s', '.i3s']: self.object = InS(fileName)
        self.npoly = self.object.npoly
        # ~~> Case of a Arc-GIS type shap file (which comes with additional related files)
        #elif tail == '.shp':
        #   head,fileType,self.npoin,self.poly,self.vals,self.type,self.atrbut = getShp(self.fileName)
        # ~~> Sort out the poly types
        for ip in range(self.object.npoly):
            if self.object.type[ip] > 0:
                if isClockwise(self.object.poly[ip]): self.object.type[ip] = 1
                else: self.object.type[ip] = 2
        return self.object.head

    def putContent(self, fileName, head=[]):
        # ~~> all object should have a putContent method
        self.object.putContent(fileName, head)

    def getAreas(self, select=[]):
        if select == []: select = range(self.npoly)
        # TODO: take sperical coordinate into account
        areas = np.zeros(len(select), dtype=np.float)
        for ip, i in zip(select, range(len(select))):
            # ~~> compute the area only for closed polygons
            if self.object.type[ip] in [1, 2]:
                areas[i] = getArea(self.object.poly[ip])
        return areas

    def getLengths(self, select=[]):
        # TODO
        return np.zeros(len(select), dtype=float)

    def sortByAreas(self):
        s = np.sort(np.array(zip(
            np.argsort(self.getAreas())[::-1], np.arange(self.npoly)),
                             dtype=[('s', int), ('i', int)]),
                    order='s')
        for i in range(len(s)):
            if s['s'][i] > s['i'][i]:
                self.object.poly.insert(s['i'][i],
                                        self.object.poly.pop(s['s'][i]))
                self.object.type.insert(s['i'][i],
                                        self.object.type.pop(s['s'][i]))
                self.object.vals.insert(s['i'][i],
                                        self.object.vals.pop(s['s'][i]))

    def makeAntiClockwise(self, select=[]):
        if select == []: select = range(self.npoly)
        for ip in select:
            # ~~> make anti-clockwise only closed clockwise polygons
            if self.object.type[ip] in [1, 2]:
                self.object.poly[ip], self.object.vals[ip] = makeAntiClockwise(
                    self.object.poly[ip], self.object.vals[ip])
                self.object.type[ip] = 2

    def makeClockwise(self, select=[]):
        if select == []: select = range(self.npoly)
        for ip in select:
            # ~~> make clockwise only closed anti-clockwise polygons
            if self.object.type[ip] in [1, 2]:
                self.object.poly[ip], self.object.vals[ip] = makeClockwise(
                    self.object.poly[ip], self.object.vals[ip])
                self.object.type[ip] = 1

    def smoothSubdivise(self, select=[], weigth=0.5):
        if select == []: select = range(self.npoly)
        for ip in select:
            # ~~> make clockwise only closed anti-clockwise polygons
            self.object.poly[ip], self.object.vals[ip], _ = smoothSubdivise(
                self.object.poly[ip], self.object.vals[ip],
                self.object.type[ip], weigth)

    def subsampleDistance(self, select=[], distance=1000.0):
        if select == []: select = range(self.npoly)
        for ip in select:
            # ~~> make clockwise only closed anti-clockwise polygons
            self.object.poly[ip], self.object.vals[ip], _ = subsampleDistance(
                self.object.poly[ip], self.object.vals[ip],
                self.object.type[ip], distance)

    def subsampleAngle(self, select=[], angle=15.0):
        if select == []: select = range(self.npoly)
        for ip in select:
            # ~~> make clockwise only closed anti-clockwise polygons
            self.object.poly[ip], self.object.vals[ip], _ = subsampleAngle(
                self.object.poly[ip], self.object.vals[ip],
                self.object.type[ip], angle)

    def sph2ll(self, (long0, lat0)):
        radius = 6371000.
        long0 = np.deg2rad(float(long0))
        lat0 = np.deg2rad(float(lat0))
        const = np.tan(lat0 / 2. + np.pi / 4.)
        for poly in self.object.poly:
            for ip in range(len(poly)):
                poly[ip][0] = np.rad2deg(poly[ip][0] / radius + long0)
                poly[ip][1] = np.rad2deg(
                    2. * np.arctan(const * np.exp(poly[ip][1] / radius)) -
                    np.pi / 2.)