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Mario Chirinos Colunga
GeoSentinel
Commits
fb04984c
Commit
fb04984c
authored
Aug 20, 2018
by
Mario Chirinos Colunga
💬
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drawing polygon
parent
ce324d20
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1 changed file
with
27 additions
and
12 deletions
+27
-12
rasterWkt.py
geosentinel/rasterWkt.py
+27
-12
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geosentinel/rasterWkt.py
View file @
fb04984c
...
...
@@ -34,32 +34,31 @@ def rasterWkt(wkt, inputfile, outputfile):
print
(
outputfile
)
intput
=
gdal
.
Open
(
inputfile
)
rows
,
cols
,
geotransform
=
intput
.
RasterYSize
,
intput
.
RasterXSize
,
intput
.
GetGeoTransform
()
sr
=
osr
.
SpatialReference
()
sr
.
ImportFromWkt
(
intput
.
GetProjection
())
# Read the input bands as numpy arrays.
driverTiff
=
gdal
.
GetDriverByName
(
'GTiff'
)
output
=
driverTiff
.
Create
(
outputfile
,
cols
,
rows
,
3
,
gdal
.
GDT_Byte
)
print
(
"BANDS"
)
print
(
output
.
RasterCount
)
polygonRaster
=
driverTiff
.
Create
(
"polygonTmp.tiff"
,
cols
,
rows
,
1
,
gdal
.
GDT_Byte
)
for
b
in
range
(
1
,
output
.
RasterCount
+
1
):
np_input
=
intput
.
GetRasterBand
(
b
)
.
ReadAsArray
(
0
,
0
,
cols
,
rows
)
output
.
GetRasterBand
(
b
)
.
SetNoDataValue
(
-
99
)
output
.
GetRasterBand
(
b
)
.
WriteArray
(
np_input
)
output
.
GetRasterBand
(
b
)
.
FlushCache
()
#Set up polygon raster
polygonRaster
.
GetRasterBand
(
b
)
.
SetNoDataValue
(
-
99
)
polygonRaster
.
GetRasterBand
(
b
)
.
WriteArray
(
np
.
zeros
(
cols
*
rows
))
polygonRaster
.
GetRasterBand
(
b
)
.
FlushCache
()
polygonRaster
.
SetGeoTransform
(
geotransform
)
output
.
SetGeoTransform
(
geotransform
)
sr
=
osr
.
SpatialReference
()
sr
.
ImportFromWkt
(
intput
.
GetProjection
())
output
.
SetProjection
(
sr
.
ExportToWkt
())
# shapefile
driver
=
ogr
.
GetDriverByName
(
"ESRI Shapefile"
)
data_source
=
driver
.
CreateDataSource
(
"myShape.shp"
)
#Burn Polygon
srs
=
osr
.
SpatialReference
()
srs
.
ImportFromEPSG
(
4326
)
layer
=
data_source
.
CreateLayer
(
"wkt"
,
srs
,
ogr
.
wkbPolygon
)
...
...
@@ -70,10 +69,26 @@ def rasterWkt(wkt, inputfile, outputfile):
feature
.
SetGeometry
(
geometry
)
layer
.
CreateFeature
(
feature
)
gdal
.
RasterizeLayer
(
output
,
[
1
,
2
,
3
],
layer
,
burn_values
=
[
255
,
1
,
1
])
gdal
.
RasterizeLayer
(
polygonRaster
,
[
1
],
layer
,
burn_values
=
[
255
])
#Draw output image
np_polygon
=
polygonRaster
.
GetRasterBand
(
1
)
.
ReadAsArray
(
0
,
0
,
cols
,
rows
)
for
b
in
range
(
1
,
output
.
RasterCount
+
1
):
np_input
=
intput
.
GetRasterBand
(
b
)
.
ReadAsArray
(
0
,
0
,
cols
,
rows
)
|
polygonRaster
output
.
GetRasterBand
(
b
)
.
SetNoDataValue
(
-
99
)
output
.
GetRasterBand
(
b
)
.
WriteArray
(
np_input
)
output
.
GetRasterBand
(
b
)
.
FlushCache
()
output
.
SetGeoTransform
(
geotransform
)
output
.
SetProjection
(
sr
.
ExportToWkt
())
#Close files
feature
=
None
data_source
=
None
output
=
None
polygonRaster
=
None
def
main
(
argv
):
rasterWkt
(
argv
[
1
],
argv
[
2
],
argv
[
3
])
...
...
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