def load_file(self, filepath):
try:
if filepath.endswith((".shp", ".geojson", ".json", ".gpx")):
loaded = pg.GeoTable(filepath)
elif filepath.endswith(
(".asc", ".ascii", ".tif", ".tiff", ".geotiff")):
loaded = pg.MultiGrid(filepath)
else:
raise Exception()
except:
popup_message(self, "Unable to load file")
return
newlayer = LayerItem(self.layersview, data=loaded)
newlayer.pack(fill="x")
def runtests(filepath):
print "------------"
print filepath
# basic
t = time.time()
geofile = pg.GeoTable(filepath)
print "loaded", geofile
print time.time() - t
print "fields", geofile.fields
t = time.time()
print "bbox", geofile.bbox
print time.time() - t
t = time.time()
geofile.create_spatial_index()
print "spindex"
print time.time() - t
print len(geofile)
print "custom"
for feat in geofile.quick_overlap([-30 / 4, -15 / 4, 30 / 4, 15 / 4]):
print feat.row[0], feat.bbox
print "ne", len(list(geofile.quick_overlap([0, 0, 180, 90])))
print "se", len(list(geofile.quick_overlap([0, -90, 180, 0])))
print "sw", len(list(geofile.quick_overlap([-180, -90, 0, 0])))
print "nw", len(list(geofile.quick_overlap([-180, 0, 0, 90])))
for feat in geofile:
print feat.id
print feat.row
print feat.bbox
print "..."
break
geofile.save("testsave.shp")
os.remove("testsave.shp")
os.remove("testsave.dbf")
os.remove("testsave.shx")
print " ", type, val
resultraster.grids[0].img.convert("RGBA").save(r"C:\Users\kimo\Desktop\zonalstat.png")
### VECTOR
print ""
print "VECTOR"
# Overlay analysis
print ""
print "overlap summary"
print "polygons"
groupbydata = pg.GeoTable("test_files/shp/cshapes.shp")
valuedata = pg.GeoTable("test_files/shp/domestic.shp")
#groupbydata = pg.vector.manager.vector_clean(groupbydata)
##for feat in reversed(groupbydata):
## if feat["CNTRY_NAME"] not in ("Saudi Arabia","Norway","Egypt","Denmark","Turkey"):
## del groupbydata.features[feat.id]
summarized = pg.vector.analyzer.overlap_summary(groupbydata, valuedata,
fieldmapping=[("inc_count","sum"),
("Average_nk","average"),
("Average_nw","average")] )
summarized.save("test_files/summary.shp")
##print ""
##print "intersect"
##print "polygons"
##data1 = pg.GeoTable("test_files/shp/domestic.shp")
import pythongis as pg
import pyagg
import time
##############
# load layers
layers = pg.LayerGroup()
##data = pg.Raster(r"C:\Users\kimo\Dropbox\pygeo book 2\code\test_files\geotiff\SP27GTIF.TIF")
##data.info["nodata_value"] = 0
##lyr = pg.RasterLayer(data)
##layers.add_layer(lyr)
data = pg.GeoTable(
r"C:\Users\kimo\Dropbox\pygeo book 2\code\test_files\shp\necountries.shp",
encoding="latin")
#data = pg.GeoTable(r"C:\Users\kimo\Desktop\gadm2.shp", encoding="latin")
lyr = pg.VectorLayer(data,
fillcolor=None,
outlinecolor="red",
outlinewidth=0.2)
layers.add_layer(lyr)
#data = pg.GeoTable(r"C:\Users\kimo\Dropbox\pygeo book 2\code\test_files\gpx\track-with-extremes.gpx")
#lyr = pg.VectorLayer(data, fillcolor="white")
#layers.add_layer(lyr)
##################
# render layers in multiple independent maps
print "layers loaded, now rendering..."
t = time.clock()