[Talk-cz] LPIS import

[Pavel Machek]

On Sun 2014-07-20 23:53:26, Pavel Machek wrote:
> Ahoj!
> 
> V priloze je skript na import zemedelske pudy z LPIS.

A ted ten skript.
-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
------------- další část ---------------
#!/usr/bin/python
import shapefile
from pyproj import *

print "<?xml version='1.0' encoding='UTF-8'?>"
print "<osm version='0.6' generator='pyshp'>"

#p1 = Proj(init='my:2065')
p1 = Proj(init='esri:102067')
#p1 = Proj(init='EPSG:4326')
p2 = Proj(init='EPSG:4326')

sf = shapefile.Reader("PLPIS_223941_KU_KOD_631035")

global field
field = {}

def a_field(num, name):
    global field
    i1, i2, i3, i4 = sf.fields[num]
    if name != i1:
        print 'Unexpected field name <', name
    field[name] = num

a_field(1, 'ID_FB')
a_field(3, 'NKODFB')
a_field(6, 'PLATNYOD')
a_field(7, 'VYMERAM')
a_field(8, 'KULTURA')
a_field(9, 'KULTURA_KL')
a_field(10, 'KULTURAOD')
a_field(11, 'EKO')
a_field(21, 'VYSKA')
a_field(22, 'SVAZITOST')
a_field(26, 'KU_KOD')

global nodeid
nodeid = 0

def convert(point):
    lon, lat = point
    lon, lat = transform(p1, p2, lon, lat)
    return lon, lat

def write_point(point):
    global nodeid
    lon, lat = convert(point)
    tags = '<tag k="created_by" v="shpupload"/>'
    tags += '<tag k="source" v="lpis"/>'
    nodeid -= 1
    print '<node id="%d" lon="%f" lat="%f\">%s</node>' % ( nodeid, lon, lat, tags )
    return nodeid

def attr(shrec, name):
    return shrec.record[field[name]]

for shrec in sf.shapeRecords():
    shape = shrec.shape

    pts = []
    for point in shape.points:
        pts += [ write_point(point) ]

    nodeid -= 1
    print '<way id="%d">' % nodeid
    print '  <tag k="created_by" v="pyshp"/>'
    print '  <tag k="id_fb" v="%s"/>' % attr(shrec, 'ID_FB')
    print '  <tag k="source" v="lpis"/>'

    kul = attr(shrec, 'KULTURA')
    if kul == 2:    print '  <tag k="landuse" v="farmland"/>'
    elif kul == 3:  print '  <tag k="landuse" v="hop_field"/>'
    elif kul == 30: print '  <tag k="landuse" v="hop_field"/>'
    elif kul == 31: print '  <tag k="landuse" v="hop_field"/><tag k="crop" v="hop"/>'
    elif kul == 41: print '  <tag k="landuse" v="vineyard"/><tag k="barrier" v="fence"/>'
    elif kul == 61: print '  <tag k="landuse" v="orchard"/><tag k="barrier" v="fence"/>'
    elif kul == 62: print '  <tag k="landuse" v="orchard"/>'
    elif kul == 7:  print '  <tag k="landuse" v="meadow"/>'
    elif kul == 71: print '  <tag k="landuse" v="meadow"/><tag k="barrier" v="fence"/>'
    elif kul == 72: print '  <tag k="landuse" v="meadow"/>'
    elif kul == 91: print '  <tag k="landuse" v="forest"/><tag k="barrier" v="fence"/>'
    elif kul == 92: print '  <tag k="landuse" v="farm"/><tag k="crop" v="vegetables"/>'
    elif kul == 97: print '  <tag k="landuse" v="reservoir"/>'
    elif kul == 98: print '  <tag k="landuse" v="forest"/><tag k="note" v="rychle rostouci dreviny"/>'
    elif kul == 99: print '  <tag k="landuse" v="forest"/>'
    else:           print '  <tag k="landuse" v="unknown_farmland_%d"/>' % kul

    for pt in pts:
        print '  <nd ref="%d"/>' % pt
    print '</way>'

print '</osm>'