Build measure of state change The 2019 Stack Overflow Developer Survey Results Are In Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)PostGIS union multiple tables, big dataset, faster approach?Spatial join based on fieldUsing Zonal Statistics As Table for overlapping polygons in ArcPy?Tabulate intersection of ArcGIS for Desktop returns empty output?Count overlapping polygons, including duplicatesGetting mean values of reclassified raster classes inside a fishnet gridHow to retrieve Intersected geometry of the polygons geometry POINT (lat,lng) input?QGIS Union Error: multiple overlapping polygons created where only one should exist?How to extract pixel value counts from a raster in QGIS, in different polygons?Counting occurrences across many rasters using ArcGIS Desktop?
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Build measure of state change
The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)PostGIS union multiple tables, big dataset, faster approach?Spatial join based on fieldUsing Zonal Statistics As Table for overlapping polygons in ArcPy?Tabulate intersection of ArcGIS for Desktop returns empty output?Count overlapping polygons, including duplicatesGetting mean values of reclassified raster classes inside a fishnet gridHow to retrieve Intersected geometry of the polygons geometry POINT (lat,lng) input?QGIS Union Error: multiple overlapping polygons created where only one should exist?How to extract pixel value counts from a raster in QGIS, in different polygons?Counting occurrences across many rasters using ArcGIS Desktop?
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
I want to be able to build a measure in ArcGIS (ArcMap).
(1) I have some shapefiles of sovereign states by centuries. These are polygons with the name of the state as ID. (2) Moreover, I have a shapefile of current European regions at NUTS 2 level.
I would like to get a measure of the average number of States that existed in a given NUTS 2 region, over centuries. I have tried to build such a measure for days now.
My bet was to build this measure by using the tool Union. Take two maps of sovereign states for 1000 and 1100, for example, unionize them.
Union will give me a new attribute table with the polygons non-intersecting at t=1000, t=1100 and those intersecting in between.
What I want is a measure that will tell me how many States did rule in a given polygon.
Project the two sovereign states shapefiles for 1000 and 1100. Some polygons will likely maintain their borders, hence the measure should give 1 for the latter.
In other cases, the polygon in the first period will be crossed by another polygon. This will give three polygons: two that belong to the same states as before and another one (the intersection) which was belonging to state A in period t= 1000 and now to B in period t=1100. The measure should give 2 for this polygon.
Then I was thinking about using something like Spatial Join to be able to get the average count of polygons in a NUTS 2 region.
However the very first problem is that the attribute table that I get with GIS after using the Union tool as polygons with the State related at t=1000 and t= 11000 but I don't ever know how I can convert these different names to count (and a number).
arcgis-10.2 spatial-analyst spatial-join zonal-statistics union
asked Apr 7 at 1:36
RororoRororo
112
add a comment |
I want to be able to build a measure in ArcGIS (ArcMap).
(1) I have some shapefiles of sovereign states by centuries. These are polygons with the name of the state as ID. (2) Moreover, I have a shapefile of current European regions at NUTS 2 level.
I would like to get a measure of the average number of States that existed in a given NUTS 2 region, over centuries. I have tried to build such a measure for days now.
My bet was to build this measure by using the tool Union. Take two maps of sovereign states for 1000 and 1100, for example, unionize them.
Union will give me a new attribute table with the polygons non-intersecting at t=1000, t=1100 and those intersecting in between.
What I want is a measure that will tell me how many States did rule in a given polygon.
Project the two sovereign states shapefiles for 1000 and 1100. Some polygons will likely maintain their borders, hence the measure should give 1 for the latter.
In other cases, the polygon in the first period will be crossed by another polygon. This will give three polygons: two that belong to the same states as before and another one (the intersection) which was belonging to state A in period t= 1000 and now to B in period t=1100. The measure should give 2 for this polygon.
Then I was thinking about using something like Spatial Join to be able to get the average count of polygons in a NUTS 2 region.
However the very first problem is that the attribute table that I get with GIS after using the Union tool as polygons with the State related at t=1000 and t= 11000 but I don't ever know how I can convert these different names to count (and a number).
arcgis-10.2 spatial-analyst spatial-join zonal-statistics union
asked Apr 7 at 1:36
RororoRororo
112
Intersect with 1000, use summary statistics, where case field is NUTS' id. Use attribute join by that id to transfer frequency to nuts table, perhaps to a new field.
– FelixIP
Apr 7 at 3:38
Are you looking for a count such as Ghana: 13, Croatia: 1, Mumha: 54, etc...?
– Aaron♦
Apr 7 at 4:02
Hello, actually at the end of the day I am looking for a count, say 5 in Lombardia, 10 in Piemonte, etc.
– Rororo
Apr 7 at 5:12
add a comment |
I want to be able to build a measure in ArcGIS (ArcMap).
(1) I have some shapefiles of sovereign states by centuries. These are polygons with the name of the state as ID. (2) Moreover, I have a shapefile of current European regions at NUTS 2 level.
I would like to get a measure of the average number of States that existed in a given NUTS 2 region, over centuries. I have tried to build such a measure for days now.
My bet was to build this measure by using the tool Union. Take two maps of sovereign states for 1000 and 1100, for example, unionize them.
Union will give me a new attribute table with the polygons non-intersecting at t=1000, t=1100 and those intersecting in between.
What I want is a measure that will tell me how many States did rule in a given polygon.
Project the two sovereign states shapefiles for 1000 and 1100. Some polygons will likely maintain their borders, hence the measure should give 1 for the latter.
In other cases, the polygon in the first period will be crossed by another polygon. This will give three polygons: two that belong to the same states as before and another one (the intersection) which was belonging to state A in period t= 1000 and now to B in period t=1100. The measure should give 2 for this polygon.
Then I was thinking about using something like Spatial Join to be able to get the average count of polygons in a NUTS 2 region.
However the very first problem is that the attribute table that I get with GIS after using the Union tool as polygons with the State related at t=1000 and t= 11000 but I don't ever know how I can convert these different names to count (and a number).
arcgis-10.2 spatial-analyst spatial-join zonal-statistics union
asked Apr 7 at 1:36
RororoRororo
112
I want to be able to build a measure in ArcGIS (ArcMap).
(1) I have some shapefiles of sovereign states by centuries. These are polygons with the name of the state as ID. (2) Moreover, I have a shapefile of current European regions at NUTS 2 level.
I would like to get a measure of the average number of States that existed in a given NUTS 2 region, over centuries. I have tried to build such a measure for days now.
My bet was to build this measure by using the tool Union. Take two maps of sovereign states for 1000 and 1100, for example, unionize them.
Union will give me a new attribute table with the polygons non-intersecting at t=1000, t=1100 and those intersecting in between.
What I want is a measure that will tell me how many States did rule in a given polygon.
Project the two sovereign states shapefiles for 1000 and 1100. Some polygons will likely maintain their borders, hence the measure should give 1 for the latter.
In other cases, the polygon in the first period will be crossed by another polygon. This will give three polygons: two that belong to the same states as before and another one (the intersection) which was belonging to state A in period t= 1000 and now to B in period t=1100. The measure should give 2 for this polygon.
Then I was thinking about using something like Spatial Join to be able to get the average count of polygons in a NUTS 2 region.
However the very first problem is that the attribute table that I get with GIS after using the Union tool as polygons with the State related at t=1000 and t= 11000 but I don't ever know how I can convert these different names to count (and a number).
arcgis-10.2 spatial-analyst spatial-join zonal-statistics union
arcgis-10.2 spatial-analyst spatial-join zonal-statistics union
asked Apr 7 at 1:36
RororoRororo
112
asked Apr 7 at 1:36
RororoRororo
112
edited Apr 7 at 5:21
Rororo
asked Apr 7 at 1:36
RororoRororo
112
asked Apr 7 at 1:36
RororoRororo
112
asked Apr 7 at 1:36
RororoRororo
112
112
Intersect with 1000, use summary statistics, where case field is NUTS' id. Use attribute join by that id to transfer frequency to nuts table, perhaps to a new field.
– FelixIP
Apr 7 at 3:38
Are you looking for a count such as Ghana: 13, Croatia: 1, Mumha: 54, etc...?
– Aaron♦
Apr 7 at 4:02
Hello, actually at the end of the day I am looking for a count, say 5 in Lombardia, 10 in Piemonte, etc.
– Rororo
Apr 7 at 5:12
add a comment |
Intersect with 1000, use summary statistics, where case field is NUTS' id. Use attribute join by that id to transfer frequency to nuts table, perhaps to a new field.
– FelixIP
Apr 7 at 3:38
Are you looking for a count such as Ghana: 13, Croatia: 1, Mumha: 54, etc...?
– Aaron♦
Apr 7 at 4:02
Hello, actually at the end of the day I am looking for a count, say 5 in Lombardia, 10 in Piemonte, etc.
– Rororo
Apr 7 at 5:12
Intersect with 1000, use summary statistics, where case field is NUTS' id. Use attribute join by that id to transfer frequency to nuts table, perhaps to a new field.
– FelixIP
Apr 7 at 3:38
Intersect with 1000, use summary statistics, where case field is NUTS' id. Use attribute join by that id to transfer frequency to nuts table, perhaps to a new field.
– FelixIP
Apr 7 at 3:38
Are you looking for a count such as Ghana: 13, Croatia: 1, Mumha: 54, etc...?
– Aaron♦
Apr 7 at 4:02
Are you looking for a count such as Ghana: 13, Croatia: 1, Mumha: 54, etc...?
– Aaron♦
Apr 7 at 4:02
Hello, actually at the end of the day I am looking for a count, say 5 in Lombardia, 10 in Piemonte, etc.
– Rororo
Apr 7 at 5:12
Hello, actually at the end of the day I am looking for a count, say 5 in Lombardia, 10 in Piemonte, etc.
– Rororo
Apr 7 at 5:12
add a comment |
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Intersect with 1000, use summary statistics, where case field is NUTS' id. Use attribute join by that id to transfer frequency to nuts table, perhaps to a new field.
– FelixIP
Apr 7 at 3:38
Are you looking for a count such as Ghana: 13, Croatia: 1, Mumha: 54, etc...?
– Aaron♦
Apr 7 at 4:02
Hello, actually at the end of the day I am looking for a count, say 5 in Lombardia, 10 in Piemonte, etc.
– Rororo
Apr 7 at 5:12