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Mario Chirinos Colunga
GeoSentinel
Commits
9c40a3a1
Commit
9c40a3a1
authored
Oct 09, 2018
by
Mario Chirinos Colunga
💬
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wkt raster
parent
133632db
Changes
1
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13 additions
and
11 deletions
+13
-11
rasterWkt.py
geosentinel/rasterWkt.py
+13
-11
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geosentinel/rasterWkt.py
View file @
9c40a3a1
...
...
@@ -31,21 +31,11 @@ def getPolygonArray(image, wkt):
sr
=
osr
.
SpatialReference
()
sr
.
ImportFromWkt
(
image
.
GetProjection
())
driverTiff
=
gdal
.
GetDriverByName
(
'GTiff'
)
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
.
SetProjection
(
sr
.
ExportToWkt
())
# shapefile
driverShp
=
ogr
.
GetDriverByName
(
"ESRI Shapefile"
)
data_source
=
driverShp
.
CreateDataSource
(
"myShape.shp"
)
#Burn Polygon
srs
=
osr
.
SpatialReference
()
srs
.
ImportFromEPSG
(
4326
)
layer
=
data_source
.
CreateLayer
(
"wkt"
,
srs
,
ogr
.
wkbPolygon
)
...
...
@@ -56,6 +46,18 @@ def getPolygonArray(image, wkt):
feature
.
SetGeometry
(
geometry
)
layer
.
CreateFeature
(
feature
)
#Set up polygon raster
driverTiff
=
gdal
.
GetDriverByName
(
'GTiff'
)
polygonRaster
=
driverTiff
.
Create
(
"polygonTmp.tif"
,
cols
,
rows
,
1
,
gdal
.
GDT_Byte
)
polygonRaster
.
GetRasterBand
(
1
)
.
SetNoDataValue
(
-
99
)
polygonRaster
.
GetRasterBand
(
1
)
.
WriteArray
(
np
.
zeros
((
rows
,
cols
)))
polygonRaster
.
GetRasterBand
(
1
)
.
FlushCache
()
polygonRaster
.
SetGeoTransform
(
geotransform
)
polygonRaster
.
SetProjection
(
sr
.
ExportToWkt
())
#Burn Polygon
gdal
.
RasterizeLayer
(
polygonRaster
,
[
1
],
layer
,
burn_values
=
[
255
])
polygonRaster
.
GetRasterBand
(
1
)
.
FlushCache
()
...
...
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