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Changing particular value of raster dataset to zero using ArcPy?
Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)
Announcing the arrival of Valued Associate #679: Cesar Manara
Unicorn Meta Zoo #1: Why another podcast?Python script using SAGA and arcpy for converting 'on the fly' LAS point cloud to shapefile?Saving raster dataset using ArcPy?Checking if domain contains particular coded value using ArcPy?Where clause problems when all parts are user input variablesHow to use the local macro to do ZonalStatisticsAsTable in batchRaster calculation in for loop returning exit code -1Running custom model via ArcPy with PyCharm fails with exit code -1073741819 (0xC0000005)?Entering date with arcpy.GetParameterAsText()?Extracting raster value to specific range using ArcPy?Adding compression variable to CopyRaster_management for TIFF Raster Dataset?
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0
I try to change a particular value of raster dataset to zero using python script.
When I deal with one raster, it works. Python scripts as follow:
import arcpy
from arcpy import env
from arcpy.sa import *
arcpy.CheckOutExtension("Spatial")
# Set environment settings
env.workspace = r'D:MATLABTEST'
# Set local variables
a="states1166.tif"
inRaster = Raster(a)
outCon = Con(inRaster == 1.000000020040877e+20, 0, inRaster)
# Save the outputs
outCon.save("D:MATLABTESTprif11166.tif")
But when I deal with multiple raster, it failed. Python scripts as follow:
# Import system modules
import arcpy
from arcpy import env
from arcpy.sa import *
import sys
import os
arcpy.CheckOutExtension("Spatial")
env.workspace = r'D:MATLABPriForest'
outdir = os.path.join(os.path.dirname(env.workspace),"Replace")
if not os.path.exists(outdir) : os.mkdir(outdir)
inRasters = arcpy.ListRasters("*")
print "Begin Replace"
for inRaster in inRasters:
outCon = Con(inRaster == 1.000000020040877e+20, 0, inRaster)
filename = 'PriForest' + os.path.basename(inRaster)
outfile = os.path.join(outdir,filename)
outCon.save(outfile)
print('finished')[enter link description here][1]
Does anyone know the reason?
arcpy spatial-analyst con
edited Apr 12 at 8:11
PolyGeo♦
54.1k1782246
asked Apr 12 at 8:06
Jianxing_ZhuJianxing_Zhu
1
|
show 1 more comment
0
I try to change a particular value of raster dataset to zero using python script.
When I deal with one raster, it works. Python scripts as follow:
import arcpy
from arcpy import env
from arcpy.sa import *
arcpy.CheckOutExtension("Spatial")
# Set environment settings
env.workspace = r'D:MATLABTEST'
# Set local variables
a="states1166.tif"
inRaster = Raster(a)
outCon = Con(inRaster == 1.000000020040877e+20, 0, inRaster)
# Save the outputs
outCon.save("D:MATLABTESTprif11166.tif")
But when I deal with multiple raster, it failed. Python scripts as follow:
# Import system modules
import arcpy
from arcpy import env
from arcpy.sa import *
import sys
import os
arcpy.CheckOutExtension("Spatial")
env.workspace = r'D:MATLABPriForest'
outdir = os.path.join(os.path.dirname(env.workspace),"Replace")
if not os.path.exists(outdir) : os.mkdir(outdir)
inRasters = arcpy.ListRasters("*")
print "Begin Replace"
for inRaster in inRasters:
outCon = Con(inRaster == 1.000000020040877e+20, 0, inRaster)
filename = 'PriForest' + os.path.basename(inRaster)
outfile = os.path.join(outdir,filename)
outCon.save(outfile)
print('finished')[enter link description here][1]
Does anyone know the reason?
arcpy spatial-analyst con
edited Apr 12 at 8:11
PolyGeo♦
54.1k1782246
asked Apr 12 at 8:06
Jianxing_ZhuJianxing_Zhu
1
Show us the error message.
– Mr. Che
Apr 12 at 8:14
well, the raster was a global map of forest area and the missing value was filled with 1.000000020040877e+20 . When I deal with multiple raster, the value was only replaced in the region without land. While the land area still remained the original value.
– Jianxing_Zhu
Apr 12 at 8:24
So the script does not fail to work? Try to print output parameters (outfile) and check that files.
– Mr. Che
Apr 12 at 8:32
The script run fine. I just did not get the ideal results from the script and confused about the results. The results were totally different with the result obtained form the former script and the results I got from raster calculator in ArcMap.
– Jianxing_Zhu
Apr 12 at 8:45
arcpy.Raster(inRaster) might help.
– FelixIP
Apr 12 at 9:38
|
show 1 more comment
0
0
0
I try to change a particular value of raster dataset to zero using python script.
When I deal with one raster, it works. Python scripts as follow:
import arcpy
from arcpy import env
from arcpy.sa import *
arcpy.CheckOutExtension("Spatial")
# Set environment settings
env.workspace = r'D:MATLABTEST'
# Set local variables
a="states1166.tif"
inRaster = Raster(a)
outCon = Con(inRaster == 1.000000020040877e+20, 0, inRaster)
# Save the outputs
outCon.save("D:MATLABTESTprif11166.tif")
But when I deal with multiple raster, it failed. Python scripts as follow:
# Import system modules
import arcpy
from arcpy import env
from arcpy.sa import *
import sys
import os
arcpy.CheckOutExtension("Spatial")
env.workspace = r'D:MATLABPriForest'
outdir = os.path.join(os.path.dirname(env.workspace),"Replace")
if not os.path.exists(outdir) : os.mkdir(outdir)
inRasters = arcpy.ListRasters("*")
print "Begin Replace"
for inRaster in inRasters:
outCon = Con(inRaster == 1.000000020040877e+20, 0, inRaster)
filename = 'PriForest' + os.path.basename(inRaster)
outfile = os.path.join(outdir,filename)
outCon.save(outfile)
print('finished')[enter link description here][1]
Does anyone know the reason?
arcpy spatial-analyst con
edited Apr 12 at 8:11
PolyGeo♦
54.1k1782246
asked Apr 12 at 8:06
Jianxing_ZhuJianxing_Zhu
1
I try to change a particular value of raster dataset to zero using python script.
When I deal with one raster, it works. Python scripts as follow:
import arcpy
from arcpy import env
from arcpy.sa import *
arcpy.CheckOutExtension("Spatial")
# Set environment settings
env.workspace = r'D:MATLABTEST'
# Set local variables
a="states1166.tif"
inRaster = Raster(a)
outCon = Con(inRaster == 1.000000020040877e+20, 0, inRaster)
# Save the outputs
outCon.save("D:MATLABTESTprif11166.tif")
But when I deal with multiple raster, it failed. Python scripts as follow:
# Import system modules
import arcpy
from arcpy import env
from arcpy.sa import *
import sys
import os
arcpy.CheckOutExtension("Spatial")
env.workspace = r'D:MATLABPriForest'
outdir = os.path.join(os.path.dirname(env.workspace),"Replace")
if not os.path.exists(outdir) : os.mkdir(outdir)
inRasters = arcpy.ListRasters("*")
print "Begin Replace"
for inRaster in inRasters:
outCon = Con(inRaster == 1.000000020040877e+20, 0, inRaster)
filename = 'PriForest' + os.path.basename(inRaster)
outfile = os.path.join(outdir,filename)
outCon.save(outfile)
print('finished')[enter link description here][1]
Does anyone know the reason?
arcpy spatial-analyst con
arcpy spatial-analyst con
edited Apr 12 at 8:11
PolyGeo♦
54.1k1782246
asked Apr 12 at 8:06
Jianxing_ZhuJianxing_Zhu
1
edited Apr 12 at 8:11
PolyGeo♦
54.1k1782246
asked Apr 12 at 8:06
Jianxing_ZhuJianxing_Zhu
1
edited Apr 12 at 8:11
PolyGeo♦
54.1k1782246
edited Apr 12 at 8:11
PolyGeo♦
54.1k1782246
edited Apr 12 at 8:11
PolyGeo♦
54.1k1782246
54.1k1782246
asked Apr 12 at 8:06
Jianxing_ZhuJianxing_Zhu
1
asked Apr 12 at 8:06
Jianxing_ZhuJianxing_Zhu
1
asked Apr 12 at 8:06
Jianxing_ZhuJianxing_Zhu
1
1
Show us the error message.
– Mr. Che
Apr 12 at 8:14
well, the raster was a global map of forest area and the missing value was filled with 1.000000020040877e+20 . When I deal with multiple raster, the value was only replaced in the region without land. While the land area still remained the original value.
– Jianxing_Zhu
Apr 12 at 8:24
So the script does not fail to work? Try to print output parameters (outfile) and check that files.
– Mr. Che
Apr 12 at 8:32
The script run fine. I just did not get the ideal results from the script and confused about the results. The results were totally different with the result obtained form the former script and the results I got from raster calculator in ArcMap.
– Jianxing_Zhu
Apr 12 at 8:45
arcpy.Raster(inRaster) might help.
– FelixIP
Apr 12 at 9:38
|
show 1 more comment
Show us the error message.
– Mr. Che
Apr 12 at 8:14
well, the raster was a global map of forest area and the missing value was filled with 1.000000020040877e+20 . When I deal with multiple raster, the value was only replaced in the region without land. While the land area still remained the original value.
– Jianxing_Zhu
Apr 12 at 8:24
So the script does not fail to work? Try to print output parameters (outfile) and check that files.
– Mr. Che
Apr 12 at 8:32
The script run fine. I just did not get the ideal results from the script and confused about the results. The results were totally different with the result obtained form the former script and the results I got from raster calculator in ArcMap.
– Jianxing_Zhu
Apr 12 at 8:45
arcpy.Raster(inRaster) might help.
– FelixIP
Apr 12 at 9:38
Show us the error message.
– Mr. Che
Apr 12 at 8:14
Show us the error message.
– Mr. Che
Apr 12 at 8:14
well, the raster was a global map of forest area and the missing value was filled with 1.000000020040877e+20 . When I deal with multiple raster, the value was only replaced in the region without land. While the land area still remained the original value.
– Jianxing_Zhu
Apr 12 at 8:24
well, the raster was a global map of forest area and the missing value was filled with 1.000000020040877e+20 . When I deal with multiple raster, the value was only replaced in the region without land. While the land area still remained the original value.
– Jianxing_Zhu
Apr 12 at 8:24
So the script does not fail to work? Try to print output parameters (
outfile) and check that files.– Mr. Che
Apr 12 at 8:32
So the script does not fail to work? Try to print output parameters (
outfile) and check that files.– Mr. Che
Apr 12 at 8:32
The script run fine. I just did not get the ideal results from the script and confused about the results. The results were totally different with the result obtained form the former script and the results I got from raster calculator in ArcMap.
– Jianxing_Zhu
Apr 12 at 8:45
The script run fine. I just did not get the ideal results from the script and confused about the results. The results were totally different with the result obtained form the former script and the results I got from raster calculator in ArcMap.
– Jianxing_Zhu
Apr 12 at 8:45
arcpy.Raster(inRaster) might help.
– FelixIP
Apr 12 at 9:38
arcpy.Raster(inRaster) might help.
– FelixIP
Apr 12 at 9:38
|
show 1 more comment
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Show us the error message.
– Mr. Che
Apr 12 at 8:14
well, the raster was a global map of forest area and the missing value was filled with 1.000000020040877e+20 . When I deal with multiple raster, the value was only replaced in the region without land. While the land area still remained the original value.
– Jianxing_Zhu
Apr 12 at 8:24
So the script does not fail to work? Try to print output parameters (
outfile) and check that files.– Mr. Che
Apr 12 at 8:32
The script run fine. I just did not get the ideal results from the script and confused about the results. The results were totally different with the result obtained form the former script and the results I got from raster calculator in ArcMap.
– Jianxing_Zhu
Apr 12 at 8:45
arcpy.Raster(inRaster) might help.
– FelixIP
Apr 12 at 9:38