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Mario Chirinos Colunga
GeoSentinel
Commits
095f2340
Commit
095f2340
authored
Oct 09, 2018
by
Mario Chirinos Colunga
💬
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wkt raster
parent
82103d9b
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40 additions
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35 deletions
+40
-35
rasterWkt.py
geosentinel/rasterWkt.py
+40
-35
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geosentinel/rasterWkt.py
View file @
095f2340
...
...
@@ -27,12 +27,12 @@ def createLayer(wkt, layerName="wkt"):
#-------------------------------------------------------------------------------
def
getPolygonArray
(
image
,
wkt
):
rows
,
cols
,
geotransform
=
image
.
RasterYSize
,
image
.
RasterXSize
,
image
.
GetGeoTransform
()
print
(
rows
,
cols
,
geotransform
)
sr
=
osr
.
SpatialReference
()
sr
.
ImportFromWkt
(
image
.
GetProjection
())
driverTiff
=
gdal
.
GetDriverByName
(
'GTiff'
)
polygonRaster
=
driverTiff
.
Create
(
"polygonTmp.tif
f
"
,
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
)
...
...
@@ -52,7 +52,7 @@ def getPolygonArray(image, wkt):
geometry
=
ogr
.
CreateGeometryFromWkt
(
wkt
)
feature
=
ogr
.
Feature
(
layer
.
GetLayerDefn
())
feature
.
SetStyleString
(
"PEN(c:#FF0000,w:5px);"
)
#
feature.SetStyleString("PEN(c:#FF0000,w:5px);")
feature
.
SetGeometry
(
geometry
)
layer
.
CreateFeature
(
feature
)
...
...
@@ -61,6 +61,7 @@ def getPolygonArray(image, wkt):
np_polygon
=
polygonRaster
.
GetRasterBand
(
1
)
.
ReadAsArray
(
0
,
0
,
cols
,
rows
)
feature
=
None
data_source
=
None
polygonRaster
=
None
...
...
@@ -79,46 +80,50 @@ def rasterWkt(wkt, inputfile, outputfile):
sr
.
ImportFromWkt
(
inputImage
.
GetProjection
())
# Read the input bands as numpy arrays.
print
(
"driver"
)
driverTiff
=
gdal
.
GetDriverByName
(
'GTiff'
)
output
=
driverTiff
.
Create
(
outputfile
,
cols
,
rows
,
3
,
gdal
.
GDT_Byte
)
polygonRaster
=
driverTiff
.
Create
(
"polygonTmp.tif"
,
cols
,
rows
,
1
,
gdal
.
GDT_Byte
)
output
=
driverTiff
.
Create
(
outputfile
,
cols
,
rows
,
inputImage
.
RasterCount
,
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")
# shapefile
driver
=
ogr
.
GetDriverByName
(
"ESRI Shapefile"
)
data_source
=
driver
.
CreateDataSource
(
"myShape.shp"
)
# print("Burn Polygon")
# #Burn Polygon
# srs = osr.SpatialReference()
# srs.ImportFromEPSG(4326)
#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
())
# 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
)
# 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
):
np_input
=
inputImage
.
GetRasterBand
(
b
)
.
ReadAsArray
(
0
,
0
,
cols
,
rows
)
np_input
=
np_polygon
&
inputImage
.
GetRasterBand
(
b
)
.
ReadAsArray
(
0
,
0
,
cols
,
rows
)
output
.
GetRasterBand
(
b
)
.
SetNoDataValue
(
-
99
)
output
.
GetRasterBand
(
b
)
.
WriteArray
(
np_input
)
output
.
GetRasterBand
(
b
)
.
FlushCache
()
...
...
@@ -126,13 +131,13 @@ def rasterWkt(wkt, inputfile, outputfile):
output
.
SetGeoTransform
(
geotransform
)
output
.
SetProjection
(
sr
.
ExportToWkt
())
print
(
"end"
)
#Close files
feature
=
None
data_source
=
None
# feature = None
# data_source = None
# polygonRaster = None
output
=
None
polygonRaster
=
None
inputImage
=
None
def
main
(
argv
):
rasterWkt
(
argv
[
1
],
argv
[
2
],
argv
[
3
])
...
...
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