Wrong min value from ArcGIS 10.4 zonal statistics as tablejoining a table from zonal statistics as table with...
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Wrong min value from ArcGIS 10.4 zonal statistics as table
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I used the zonal statistics as table tool in ArcGIS10.4 to calculate SRTM, the in_zone is a gridded shapefile, the in_value_Raster is the SRTM extracted for the region as in the image (90m x90m). The result table gave me min values of 1 and 0, which does not match the input raster at all. I would like to know what might be causing this problem and how to solve it. Ignore NoData option was checked. Both input shapefile and raster have the same spatial reference system:WGS84. I also converted them into UTM but the min value still didnt make any sense.
arcgis-desktop zonal-statistics srtm arcgis-10.4
|
show 2 more comments
I used the zonal statistics as table tool in ArcGIS10.4 to calculate SRTM, the in_zone is a gridded shapefile, the in_value_Raster is the SRTM extracted for the region as in the image (90m x90m). The result table gave me min values of 1 and 0, which does not match the input raster at all. I would like to know what might be causing this problem and how to solve it. Ignore NoData option was checked. Both input shapefile and raster have the same spatial reference system:WGS84. I also converted them into UTM but the min value still didnt make any sense.
arcgis-desktop zonal-statistics srtm arcgis-10.4
It may have to do with the number of unique values in your raster and/or the range of values in your raster. There are some limitations that ESRI should make more explicit. There's not much or clear documentation on the limitations, but see: pro.arcgis.com/en/pro-app/tool-reference/… and pro.arcgis.com/en/pro-app/tool-reference/…. So, you may be getting an artificial wrap-around of values.
– Tom
Jun 29 '16 at 16:14
there is a bug shifting the column, your 0 and 1 are the area (in degree, rounded) and the very large values are your areas in meters. I mentioned it in another answer, but I don't remember which was the exact question. Anyway, read your table by replacing count with ID, area with count, min with max ... and you'll get the consistent values.
– radouxju
Jun 29 '16 at 16:33
Thank you Tom, I reset the limit for raster under options.
– Mouse
Jun 29 '16 at 17:40
@radouxju, could you maybe describe how exactly the columns are shifted? My statistic selection was 'ALL', please see the last image. If I shift all the columns to the next column my MEDIAN column would not have any rows to match, thank you.
– Mouse
Jun 29 '16 at 17:41
Indeed you loose the last column. If you need the median you need to specifically ask for it.
– radouxju
Jun 30 '16 at 7:04
|
show 2 more comments
I used the zonal statistics as table tool in ArcGIS10.4 to calculate SRTM, the in_zone is a gridded shapefile, the in_value_Raster is the SRTM extracted for the region as in the image (90m x90m). The result table gave me min values of 1 and 0, which does not match the input raster at all. I would like to know what might be causing this problem and how to solve it. Ignore NoData option was checked. Both input shapefile and raster have the same spatial reference system:WGS84. I also converted them into UTM but the min value still didnt make any sense.
arcgis-desktop zonal-statistics srtm arcgis-10.4
I used the zonal statistics as table tool in ArcGIS10.4 to calculate SRTM, the in_zone is a gridded shapefile, the in_value_Raster is the SRTM extracted for the region as in the image (90m x90m). The result table gave me min values of 1 and 0, which does not match the input raster at all. I would like to know what might be causing this problem and how to solve it. Ignore NoData option was checked. Both input shapefile and raster have the same spatial reference system:WGS84. I also converted them into UTM but the min value still didnt make any sense.
arcgis-desktop zonal-statistics srtm arcgis-10.4
arcgis-desktop zonal-statistics srtm arcgis-10.4
edited Jun 29 '16 at 20:16
PolyGeo♦
53.9k1781245
53.9k1781245
asked Jun 29 '16 at 16:11
MouseMouse
737
737
It may have to do with the number of unique values in your raster and/or the range of values in your raster. There are some limitations that ESRI should make more explicit. There's not much or clear documentation on the limitations, but see: pro.arcgis.com/en/pro-app/tool-reference/… and pro.arcgis.com/en/pro-app/tool-reference/…. So, you may be getting an artificial wrap-around of values.
– Tom
Jun 29 '16 at 16:14
there is a bug shifting the column, your 0 and 1 are the area (in degree, rounded) and the very large values are your areas in meters. I mentioned it in another answer, but I don't remember which was the exact question. Anyway, read your table by replacing count with ID, area with count, min with max ... and you'll get the consistent values.
– radouxju
Jun 29 '16 at 16:33
Thank you Tom, I reset the limit for raster under options.
– Mouse
Jun 29 '16 at 17:40
@radouxju, could you maybe describe how exactly the columns are shifted? My statistic selection was 'ALL', please see the last image. If I shift all the columns to the next column my MEDIAN column would not have any rows to match, thank you.
– Mouse
Jun 29 '16 at 17:41
Indeed you loose the last column. If you need the median you need to specifically ask for it.
– radouxju
Jun 30 '16 at 7:04
|
show 2 more comments
It may have to do with the number of unique values in your raster and/or the range of values in your raster. There are some limitations that ESRI should make more explicit. There's not much or clear documentation on the limitations, but see: pro.arcgis.com/en/pro-app/tool-reference/… and pro.arcgis.com/en/pro-app/tool-reference/…. So, you may be getting an artificial wrap-around of values.
– Tom
Jun 29 '16 at 16:14
there is a bug shifting the column, your 0 and 1 are the area (in degree, rounded) and the very large values are your areas in meters. I mentioned it in another answer, but I don't remember which was the exact question. Anyway, read your table by replacing count with ID, area with count, min with max ... and you'll get the consistent values.
– radouxju
Jun 29 '16 at 16:33
Thank you Tom, I reset the limit for raster under options.
– Mouse
Jun 29 '16 at 17:40
@radouxju, could you maybe describe how exactly the columns are shifted? My statistic selection was 'ALL', please see the last image. If I shift all the columns to the next column my MEDIAN column would not have any rows to match, thank you.
– Mouse
Jun 29 '16 at 17:41
Indeed you loose the last column. If you need the median you need to specifically ask for it.
– radouxju
Jun 30 '16 at 7:04
It may have to do with the number of unique values in your raster and/or the range of values in your raster. There are some limitations that ESRI should make more explicit. There's not much or clear documentation on the limitations, but see: pro.arcgis.com/en/pro-app/tool-reference/… and pro.arcgis.com/en/pro-app/tool-reference/…. So, you may be getting an artificial wrap-around of values.
– Tom
Jun 29 '16 at 16:14
It may have to do with the number of unique values in your raster and/or the range of values in your raster. There are some limitations that ESRI should make more explicit. There's not much or clear documentation on the limitations, but see: pro.arcgis.com/en/pro-app/tool-reference/… and pro.arcgis.com/en/pro-app/tool-reference/…. So, you may be getting an artificial wrap-around of values.
– Tom
Jun 29 '16 at 16:14
there is a bug shifting the column, your 0 and 1 are the area (in degree, rounded) and the very large values are your areas in meters. I mentioned it in another answer, but I don't remember which was the exact question. Anyway, read your table by replacing count with ID, area with count, min with max ... and you'll get the consistent values.
– radouxju
Jun 29 '16 at 16:33
there is a bug shifting the column, your 0 and 1 are the area (in degree, rounded) and the very large values are your areas in meters. I mentioned it in another answer, but I don't remember which was the exact question. Anyway, read your table by replacing count with ID, area with count, min with max ... and you'll get the consistent values.
– radouxju
Jun 29 '16 at 16:33
Thank you Tom, I reset the limit for raster under options.
– Mouse
Jun 29 '16 at 17:40
Thank you Tom, I reset the limit for raster under options.
– Mouse
Jun 29 '16 at 17:40
@radouxju, could you maybe describe how exactly the columns are shifted? My statistic selection was 'ALL', please see the last image. If I shift all the columns to the next column my MEDIAN column would not have any rows to match, thank you.
– Mouse
Jun 29 '16 at 17:41
@radouxju, could you maybe describe how exactly the columns are shifted? My statistic selection was 'ALL', please see the last image. If I shift all the columns to the next column my MEDIAN column would not have any rows to match, thank you.
– Mouse
Jun 29 '16 at 17:41
Indeed you loose the last column. If you need the median you need to specifically ask for it.
– radouxju
Jun 30 '16 at 7:04
Indeed you loose the last column. If you need the median you need to specifically ask for it.
– radouxju
Jun 30 '16 at 7:04
|
show 2 more comments
4 Answers
4
active
oldest
votes
This is a bug, let's hope that it will solved soon because you loose the median column. The Feature ID header is missing then all column header are shifhted one step left.
re: 'This is a bug'. By a bug, do you mean document as a bug by esri? If so, is there a bug number to track when it has been resolved?
– Rex
Apr 12 '18 at 19:53
@Rex there is no bug report as far as I know. I call it a bug because the tool does not work as expected, and it work properly in previous versions.
– radouxju
Apr 13 '18 at 6:47
add a comment |
I ran the zonal statistics as table again with all the setting identical to the previous try on arcGIS 10.3x and got the correct output with all the desired columns (Image as below).
add a comment |
I did some testing and it appears that when you use your 'OBJECTID' as your zonal field, it cant add it as a column in the output so it causes a miss-match between the columns and the headers (column names). The workaround is to use a different column as your zonal field in your input and your columns should line up in your output.
add a comment |
Thank you Rex, great job! It help me a lot
New contributor
add a comment |
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4 Answers
4
active
oldest
votes
4 Answers
4
active
oldest
votes
active
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votes
active
oldest
votes
This is a bug, let's hope that it will solved soon because you loose the median column. The Feature ID header is missing then all column header are shifhted one step left.
re: 'This is a bug'. By a bug, do you mean document as a bug by esri? If so, is there a bug number to track when it has been resolved?
– Rex
Apr 12 '18 at 19:53
@Rex there is no bug report as far as I know. I call it a bug because the tool does not work as expected, and it work properly in previous versions.
– radouxju
Apr 13 '18 at 6:47
add a comment |
This is a bug, let's hope that it will solved soon because you loose the median column. The Feature ID header is missing then all column header are shifhted one step left.
re: 'This is a bug'. By a bug, do you mean document as a bug by esri? If so, is there a bug number to track when it has been resolved?
– Rex
Apr 12 '18 at 19:53
@Rex there is no bug report as far as I know. I call it a bug because the tool does not work as expected, and it work properly in previous versions.
– radouxju
Apr 13 '18 at 6:47
add a comment |
This is a bug, let's hope that it will solved soon because you loose the median column. The Feature ID header is missing then all column header are shifhted one step left.
This is a bug, let's hope that it will solved soon because you loose the median column. The Feature ID header is missing then all column header are shifhted one step left.
answered Jun 30 '16 at 7:11
radouxjuradouxju
41.3k144122
41.3k144122
re: 'This is a bug'. By a bug, do you mean document as a bug by esri? If so, is there a bug number to track when it has been resolved?
– Rex
Apr 12 '18 at 19:53
@Rex there is no bug report as far as I know. I call it a bug because the tool does not work as expected, and it work properly in previous versions.
– radouxju
Apr 13 '18 at 6:47
add a comment |
re: 'This is a bug'. By a bug, do you mean document as a bug by esri? If so, is there a bug number to track when it has been resolved?
– Rex
Apr 12 '18 at 19:53
@Rex there is no bug report as far as I know. I call it a bug because the tool does not work as expected, and it work properly in previous versions.
– radouxju
Apr 13 '18 at 6:47
re: 'This is a bug'. By a bug, do you mean document as a bug by esri? If so, is there a bug number to track when it has been resolved?
– Rex
Apr 12 '18 at 19:53
re: 'This is a bug'. By a bug, do you mean document as a bug by esri? If so, is there a bug number to track when it has been resolved?
– Rex
Apr 12 '18 at 19:53
@Rex there is no bug report as far as I know. I call it a bug because the tool does not work as expected, and it work properly in previous versions.
– radouxju
Apr 13 '18 at 6:47
@Rex there is no bug report as far as I know. I call it a bug because the tool does not work as expected, and it work properly in previous versions.
– radouxju
Apr 13 '18 at 6:47
add a comment |
I ran the zonal statistics as table again with all the setting identical to the previous try on arcGIS 10.3x and got the correct output with all the desired columns (Image as below).
add a comment |
I ran the zonal statistics as table again with all the setting identical to the previous try on arcGIS 10.3x and got the correct output with all the desired columns (Image as below).
add a comment |
I ran the zonal statistics as table again with all the setting identical to the previous try on arcGIS 10.3x and got the correct output with all the desired columns (Image as below).
I ran the zonal statistics as table again with all the setting identical to the previous try on arcGIS 10.3x and got the correct output with all the desired columns (Image as below).
answered Jun 30 '16 at 9:05
MouseMouse
737
737
add a comment |
add a comment |
I did some testing and it appears that when you use your 'OBJECTID' as your zonal field, it cant add it as a column in the output so it causes a miss-match between the columns and the headers (column names). The workaround is to use a different column as your zonal field in your input and your columns should line up in your output.
add a comment |
I did some testing and it appears that when you use your 'OBJECTID' as your zonal field, it cant add it as a column in the output so it causes a miss-match between the columns and the headers (column names). The workaround is to use a different column as your zonal field in your input and your columns should line up in your output.
add a comment |
I did some testing and it appears that when you use your 'OBJECTID' as your zonal field, it cant add it as a column in the output so it causes a miss-match between the columns and the headers (column names). The workaround is to use a different column as your zonal field in your input and your columns should line up in your output.
I did some testing and it appears that when you use your 'OBJECTID' as your zonal field, it cant add it as a column in the output so it causes a miss-match between the columns and the headers (column names). The workaround is to use a different column as your zonal field in your input and your columns should line up in your output.
answered Apr 12 '18 at 20:22
RexRex
384210
384210
add a comment |
add a comment |
Thank you Rex, great job! It help me a lot
New contributor
add a comment |
Thank you Rex, great job! It help me a lot
New contributor
add a comment |
Thank you Rex, great job! It help me a lot
New contributor
Thank you Rex, great job! It help me a lot
New contributor
New contributor
answered 16 mins ago
GillesGilles
1
1
New contributor
New contributor
add a comment |
add a comment |
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It may have to do with the number of unique values in your raster and/or the range of values in your raster. There are some limitations that ESRI should make more explicit. There's not much or clear documentation on the limitations, but see: pro.arcgis.com/en/pro-app/tool-reference/… and pro.arcgis.com/en/pro-app/tool-reference/…. So, you may be getting an artificial wrap-around of values.
– Tom
Jun 29 '16 at 16:14
there is a bug shifting the column, your 0 and 1 are the area (in degree, rounded) and the very large values are your areas in meters. I mentioned it in another answer, but I don't remember which was the exact question. Anyway, read your table by replacing count with ID, area with count, min with max ... and you'll get the consistent values.
– radouxju
Jun 29 '16 at 16:33
Thank you Tom, I reset the limit for raster under options.
– Mouse
Jun 29 '16 at 17:40
@radouxju, could you maybe describe how exactly the columns are shifted? My statistic selection was 'ALL', please see the last image. If I shift all the columns to the next column my MEDIAN column would not have any rows to match, thank you.
– Mouse
Jun 29 '16 at 17:41
Indeed you loose the last column. If you need the median you need to specifically ask for it.
– radouxju
Jun 30 '16 at 7:04