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Mario Chirinos Colunga
GeoSentinel
Commits
dd90b14e
Commit
dd90b14e
authored
Oct 09, 2018
by
Mario Chirinos Colunga
💬
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wkt raster
parent
525e9b2a
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-36
rasterWkt.py
geosentinel/rasterWkt.py
+37
-36
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geosentinel/rasterWkt.py
View file @
dd90b14e
...
...
@@ -46,16 +46,17 @@ def getPolygonArray(image, wkt):
data_source
=
driverShp
.
CreateDataSource
(
"myShape.shp"
)
#Burn Polygon
srs
=
osr
.
SpatialReference
()
srs
.
ImportFromEPSG
(
4326
)
layer
=
data_source
.
CreateLayer
(
"wkt"
,
srs
,
ogr
.
wkbPolygon
)
geometry
=
ogr
.
CreateGeometryFromWkt
(
wkt
)
feature
=
ogr
.
Feature
(
layer
.
GetLayerDefn
())
#
srs = osr.SpatialReference()
#
srs.ImportFromEPSG(4326)
#
layer = data_source.CreateLayer("wkt", srs, ogr.wkbPolygon)
#
geometry = ogr.CreateGeometryFromWkt(wkt)
#
feature = ogr.Feature(layer.GetLayerDefn())
feature
.
SetStyleString
(
"PEN(c:#FF0000,w:5px);"
)
feature
.
SetGeometry
(
geometry
)
layer
.
CreateFeature
(
feature
)
#
feature.SetStyleString("PEN(c:#FF0000,w:5px);")
#
feature.SetGeometry(geometry)
#
layer.CreateFeature(feature)
layer
=
data_source
.
getLayer
()
gdal
.
RasterizeLayer
(
polygonRaster
,
[
1
],
layer
,
burn_values
=
[
255
])
polygonRaster
.
GetRasterBand
(
1
)
.
FlushCache
()
...
...
@@ -82,43 +83,43 @@ def rasterWkt(wkt, inputfile, outputfile):
print
(
"driver"
)
driverTiff
=
gdal
.
GetDriverByName
(
'GTiff'
)
output
=
driverTiff
.
Create
(
outputfile
,
cols
,
rows
,
inputImage
.
RasterCount
,
gdal
.
GDT_Byte
)
polygonRaster
=
driverTiff
.
Create
(
"polygonTmp.tif"
,
cols
,
rows
,
1
,
gdal
.
GDT_Byte
)
#
polygonRaster = driverTiff.Create("polygonTmp.tif", cols, rows, 1, gdal.GDT_Byte)
#Set up polygon raster
polygonRaster
.
GetRasterBand
(
1
)
.
SetNoDataValue
(
-
99
)
polygonRaster
.
GetRasterBand
(
1
)
.
WriteArray
(
np
.
zeros
((
rows
,
cols
)))
polygonRaster
.
GetRasterBand
(
1
)
.
FlushCache
()
polygonRaster
.
SetGeoTransform
(
geotransform
)
polygonRaster
.
SetGeoTransform
(
geotransform
)
polygonRaster
.
SetProjection
(
sr
.
ExportToWkt
())
#
#Set up polygon raster
#
polygonRaster.GetRasterBand(1).SetNoDataValue(-99)
#
polygonRaster.GetRasterBand(1).WriteArray(np.zeros((rows, cols)))
#
polygonRaster.GetRasterBand(1).FlushCache()
#
polygonRaster.SetGeoTransform(geotransform)
#
polygonRaster.SetGeoTransform(geotransform)
#
polygonRaster.SetProjection(sr.ExportToWkt())
print
(
"Shapefile"
)
# shapefile
driver
=
ogr
.
GetDriverByName
(
"ESRI Shapefile"
)
data_source
=
driver
.
CreateDataSource
(
"myShape.shp"
)
#
print("Shapefile")
#
# shapefile
#
driver = ogr.GetDriverByName("ESRI Shapefile")
#
data_source = driver.CreateDataSource("myShape.shp")
print
(
"Burn Polygon"
)
#Burn Polygon
srs
=
osr
.
SpatialReference
()
srs
.
ImportFromEPSG
(
4326
)
layer
=
data_source
.
GetLayer
()
# layer = data_source.CreateLayer("wkt", srs, ogr.wkbPolygon)
# geometry = ogr.CreateGeometryFromWkt(wkt)
# feature = ogr.Feature(layer.GetLayerDefn())
#
print("Burn Polygon")
#
#Burn Polygon
#
srs = osr.SpatialReference()
#
srs.ImportFromEPSG(4326)
#
layer = data_source.GetLayer()
#
#
layer = data_source.CreateLayer("wkt", srs, ogr.wkbPolygon)
#
#
geometry = ogr.CreateGeometryFromWkt(wkt)
#
#
feature = ogr.Feature(layer.GetLayerDefn())
print
(
"features"
)
# feature.SetStyleString("PEN(c:#FF0000,w:5px);")
# feature.SetGeometry(geometry)
# layer.CreateFeature(feature)
#
print("features")
#
#
feature.SetStyleString("PEN(c:#FF0000,w:5px);")
#
#
feature.SetGeometry(geometry)
#
#
layer.CreateFeature(feature)
gdal
.
RasterizeLayer
(
polygonRaster
,
[
1
],
layer
,
burn_values
=
[
255
])
polygonRaster
.
GetRasterBand
(
1
)
.
FlushCache
()
#
gdal.RasterizeLayer(polygonRaster, [1], layer, burn_values=[255])
#
polygonRaster.GetRasterBand(1).FlushCache()
# Draw output image
np_polygon
=
polygonRaster
.
GetRasterBand
(
1
)
.
ReadAsArray
(
0
,
0
,
cols
,
rows
)
#
#
Draw output image
#
np_polygon = polygonRaster.GetRasterBand(1).ReadAsArray(0,0,cols,rows)
np_polygon
=
getPolygonArray
(
inputImage
,
wkt
)
print
(
"Setup"
)
for
b
in
range
(
1
,
output
.
RasterCount
+
1
):
...
...
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