class TestLayerBasic(myTestCase):
def setUp(self):
self.m = Map()
self.m.scale = 1e-3
self.m.bbox = ((-3.0, -4.0), (2.0, 1.0))
def tearDown(self):
self.m.close()
def testcalc_cell_extents(self):
layer = Layer(self.m, name="The Layer", filename="layer", layertype=LayerTypePoint, nlevels = 1)
lbb = layer._bbox.todiscrete(layer.refpoint, layer.scale)
self.assertEqual(lbb, Rec((-3000,-1000), (2000,4000)))
self.assertEqual(layer.calc_cell_extents(1), lbb)
self.assertEqual(layer.calc_cell_extents(2), Rec((-3000, -1000),(-500, 1500)))
def testLayerStyle(self):
"""Test layer style consistency"""
try:
for mapfile in self.mapimages:
img = Image(os.path.join('.','images',mapfile))
m = Map(img)
m.open('r')
for layername in m.getLayerNames():
style = m.getLayerStyleByName(layername)
style.verify(layername, m)
m.close()
finally:
img.__del__()
def testSimple(self):
refmap = Map(MapDirectory('./layerdata8'))
refmap.open('r')
reflayer = refmap.getLayerByName('00_Trails_4WD')
reflayer.open('r')
map = Map(MapDirectory(self.testdatadir.dir), maptype=MapTypeImage)
map.open("w")
map.bbox = ((-18.04, 28.4), (-17.7, 28.89))
map.bbox = refmap.bbox
## Add trails layer
trails = Layer(map, name="00_Trails", filename="00trails", layertype=LayerTypePolyline)
trails.open(mode='w')
trailstyle = DetailMapLayerStyle()
trailstyle.style = 'TRAIL_LINE'
map.addLayer(trails, layerstyle = trailstyle)
trailwkt = 'LINESTRING (-17.768953959275908 28.775591075650038,-17.768678531255482 28.7757692937809,-17.768346397466143 28.775890806142854,-17.767981860380281 28.775923209439377,-17.767779339777025 28.775923209439377,-17.767212282087907 28.775874604494597,-17.766669526871183 28.775777394605033,-17.766151074126846 28.775647781418947,-17.765438201603384 28.775388555046781,-17.764879244738399 28.775145530322874,-17.764514707652538 28.774943009719617,-17.764239279632111 28.77467568252332,-17.763040357660834 28.774238238020288,-17.762813534585188 28.774189633075505,-17.762513804092368 28.774222036372027,-17.762513804092368 28.774222036372027)'
trail = CellElementPolyline(trails, wkt=trailwkt, objtype=11)
cellelementrefs = trails.addCellElement(trail)
print "cellelementrefs", cellelementrefs
## Add group
roadsgroup = map.getGroupByName('00_Roads')
roadsgroup.addLayer(trails)
feature = FeatureNormal(name="Apstigen", layerindex=map.getLayerIndex(trails),
objtype=29,
cellelementreflist=cellelementrefs)
roadsgroup.addFeature(feature)
## Add topo
map.addTopo('layerdata8/00t0.blx')
# map.mapdir.copyfile('layerdata8/topo3d.ini')
map.close()
map.writeImage('trails.imi')
self.assertTrue('00map.ini' in os.listdir(self.testdatadir.dir))
files = os.listdir(self.testdatadir.dir)
expectedfiles = Set(('bmp2bit.ics', 'bmp4bit.ics', '00map.ini', 'add_maps.cfg', 'db00.dbd' ,
'00trails.lay', '00trails.clt',
'gr0.ext', 'gr0.clp', 'gr0.aux',
'gr1.ext', 'gr1.clp', 'gr1.aux',
'gr2.ext', 'gr2.clp', 'gr2.aux',
'gr3.ext', 'gr3.clp', 'gr3.aux',
'00z.dat', '00cn.dat',
'00t0.blx', 'topo3d.ini'))
self.assertEqual(expectedfiles, Set(files))
expectedinitfile = ""
inifile = open(os.path.join(self.testdatadir.dir, '00map.ini'))
print inifile.read()
map = Map(MapDirectory(self.testdatadir.dir))
map.open("r")
roadsgroup = map.getGroupByName('00_Roads')
roadsgroup.open('r')
print "features: ", list(roadsgroup.getFeatures())
trails = map.getLayerByName('00_Trails')
trails.open('r')
trails.check()
print trails.cellnumbers
def setUp(self):
self.m = Map()
self.m.scale = 1e-3
self.m.bbox = ((-3.0, -4.0), (2.0, 1.0))
def createMapFromBLX(mapdir, blxfile):
north, south, east, west = getBBox(blxfile)
m = Map(mapdir)
m.open('w')
m.bbox = ((west, south), (east,north))
## Add dummy layer
trails = Layer(m, name="00_dummy", filename="00dummy", layertype=LayerTypePolyline)
trails.open(mode='w')
trailstyle = DetailMapLayerStyle()
m.addLayer(trails, layerstyle = trailstyle)
roadsgroup = m.getGroupByName('00_Roads')
roadsgroup.addLayer(trails)
m.addTopo(blxfile)
m.close()
mapdir.write()
#!/usr/bin/env python
import sys
from glob import glob
import osgeo.ogr as ogr
import os
from sets import Set
from magellan.Map import Map
import magellan.OGRInterface as OGRInterface
import magellan.mapdir as mapdir
outpath = sys.argv[2]
if os.path.isfile(sys.argv[1]):
map = Map(mapdir.Image(sys.argv[1]))
elif os.path.isdir(sys.argv[1]):
map = Map(mapdir.MapDirectory(sys.argv[1]))
else:
raise Exception("Cannot open " + sys.argv[1])
map.debug=False
map.open()
driver=ogr.GetDriverByName('ESRI Shapefile')
ds=driver.CreateDataSource(outpath)
pge = OGRInterface.OGRExporter(map)
layers = list(map.layers)
for group in map.groups:
group.open('r')