Questions tagged [tabulate]
The tabulate tag has no usage guidance.
31
questions
0
votes
0
answers
13
views
Areas don't add up using Raster Calculator & and Tabulate Area
I'm using & (AND) in Raster Calculator for two rasters and then using Tabulate area to work out the area of each in a polygon layer. But the amount in the resulting table is more than the amount ...
0
votes
0
answers
10
views
Goal: find LC change using Tabulate Area tool
I am working with 2 years of LC data, 2006 and 2016, with an end goal of performing a LC change analysis. So far I have used the Tabulate Area, spatial analyst tool, which has given me an output table....
1
vote
0
answers
74
views
Count how much area of one layer feature are within another feature polygon
I am trying to count what percentage or area covers features from one layer my default layer - (usually polygon). And write these result into separate fields inside atribute table of my default layer (...
0
votes
1
answer
36
views
Running tabulate area command on Esri tiled imagery layer
Esri recently released a tiled imagery layer of land cover at 10 meter resolution. I'm interested in pulling stats from it based on county boundaries. I tried using the Tabulate Area command and it ...
0
votes
0
answers
65
views
ArcGIS Desktop 10.7 tabulate area outputs blanks or zeroes in zone field
I am tabulating the area of HUC10 polygons (a little over 4,000 of them) using LandFire raster biophysical classes, but everything I have tried outputs a zone field that is either blank or full of ...
0
votes
0
answers
76
views
Calculate raster landcover area in multiple overlapping buffers
I have 900 1km buffers (polygons) in one layer and a raster layer for forest area (reclassified into forest 1, non forest 0).
I have tried:
Tabulate area - but realised this does not work for ...
0
votes
0
answers
102
views
Tabulate intersection, but I need it with null values too, not just with matching intersect
I have problem with tabulate intersection tool (In ArcGIS - ArcMap 10.7.1). The number of data is 1298 with 500 m buffer. Then i have polygons, that I need to process. I run the tool, but get the ...
1
vote
0
answers
22
views
Tabulate intersection loses data rows [closed]
I am running the tabulate intersection tool for two vector shapefiles - lines and polygons.
I am using it to calculate the length of various road classifications (i.e. arterial, collector, highways, ...
2
votes
1
answer
76
views
How to import coincide table of r.coin tool of QGIS in Excel
I am trying to do a crosstabulation analysis with QGIS. I have used the grass tool r.coin and I have got the coincide report in txt format. However, I want to work with that report in excel, but I don´...
0
votes
0
answers
155
views
Convert tabulate area's output format into a text file (.txt or .csv) in the ModelBuilder in ArcGIS?
When I use the Tabulate Area tool, the original output's format is .dbf.
What can I do to export the output as a text file (.txt or .csv) in the ArcGIS ModelBuilder environment?
1
vote
0
answers
519
views
Tabulate Intersection
I'm attempting to calculate land use mix and in order to do so I need the proportion of each land use within each polygon zone. When i use the tabulate intersection tool I get proportions that are ...
1
vote
1
answer
1k
views
Tabulate area in QGIS
Does anyone know if there exists in QGIS any tool similar to "Tabulate Area" of ArcGIS to be able to calculate what percentage of values of a raster for each polygon?
So far I am using pktools, ...
2
votes
2
answers
2k
views
Calculating area of different land uses within boundaries
I am looking to calculate the percentage cover of different land classes in a number of districts in southern Malawi. The land cover map (raster) can be found here - http://www.masdap.mw/layers/...
0
votes
1
answer
87
views
Telling Tabulate Area to use custom textual labels for column names?
I have a land use raster with unique values of 1-8 and the appropriate label names for the land use are defined under the symbology tab.
When I process that raster with the Tabulate Area tool in ...
1
vote
0
answers
78
views
Inconsistency in areas extracted using Tabulate Area tool
I am extracting data using the tabulate area tool. The data has too many duplicates for each plot. However, when extracting these plots with duplicates separately, I do not see the duplicate values. ...
0
votes
1
answer
224
views
How to ensure raster tabulation is in integer using 'tabulate area' tool?
I'm trying to tabulate raster cells based on its values using the 'Tabulate Area' tool, but the result shows decimal values instead of integer. Is there any way I can ensure the result of the ...
0
votes
2
answers
1k
views
Overlapping polygons causing issues with Tabulate Area (Spatial Analyst) Tool
I am attempting to create a table that summarizes habitat information for a given survey area. My habitat information is in the form of a local raster file, with codes for specific habitat classes. My ...
1
vote
1
answer
89
views
Calculate area of adjoining raster class cells inside polygon
I am calculating the size of deforestation in private properties. My two data sets are a raster layer of deforested patches, each containing a number as the year it has been deforested, and a polygon ...
1
vote
1
answer
68
views
Unique pairs based on multi values
I will try to be as detailed as I can with the purpose and walkthrough of the situation.
I have 2 Feature Classes (fc1 and fc2).
fc1 is a polygon shapefile with no overlapping polygons and an id for ...
2
votes
1
answer
524
views
Tabulate Area produces weird results
I have a raster of land cover (resolution roughly 300x300 m) and a raster grid of zones (cells about 14000x14000 m). What I need is to calculate the precentage of each land cover category within each ...
1
vote
1
answer
1k
views
Tabulate intersect in R
I would like to get the areas related to the polygons resulting from the intersection between two SpatialPolygonsDataFrames: 'A' and 'B'. SpatialPolygonsDataFrame 'B' has 3 different 'classes', which ...
0
votes
1
answer
2k
views
Tabulate area tool's output results units?
I'm using ArcGIS DEsktop and I have tried to calculate the area of each different land cover class in a raster of 25m size in British National Grid coordinate system. To do that I used the tabulate ...
2
votes
1
answer
3k
views
Finding the area of polygons within other polygons in R [duplicate]
Is there a function in R which will loop through a layer of zonal polygons (i.e. a polygon grid) and return the area of a second polygon layer that is contained in each grid cell? I have a layer of ...
1
vote
0
answers
405
views
Tabulate Areas is losing rows [closed]
I've got a feature layer of certain fields (which I converted to raster), and a raster layer of different vegetation types. I now want to compute the area of each vegetation type for each field. For ...
0
votes
1
answer
1k
views
Using ArcGIS Tabulate Intersection to determine maximum land cover within polygon area
I have a shapefile (layer A) containing different polygons - each polygon representing an ecoregion. I have another layer of polygons (layer B) - each polygon representing a watershed boundary. I want ...
1
vote
1
answer
193
views
How to extract information from several shapefiles in the same time?
I'm using ArcGIS 10.2.1. I have a shapefile for 10 catchments and other three shapefiles for landuse, soil type and rock types. To extract the area of land use types, soil types or rock types for each ...
3
votes
2
answers
2k
views
Tabulate Area in ArcGIS for Desktop not creating correct output?
I have used the Tabulate Area zonal spatial analyst tool in ArcGIS many times, and am encountering a problem for the first time. I am using a polygon grid (fishnet) as my zone dataset, and tabulating ...
3
votes
5
answers
43k
views
How to calculate a percentage of an area covered by polygons ArcGIS 10.1
I created an Aspect Layer with 9 Zones on which I want to use the Tabulate Area Tool with another polygon layer namely Woods. So what I actually need to know is the percentage, covered by woods for ...
2
votes
1
answer
996
views
Tabulate Area for large datasets
I have been struggling trying to use Tabulate Area in Arc 9.3 for a large raster dataset.
I have one raster with 8 land uses and another vector layer with zones (which I converted to a raster with ...
5
votes
1
answer
672
views
Tabulate Area using GDAL and Numpy
How could I perform a Tabulate Area using GDAL and Numpy? I am trying to summarize how many pixels of each class in a Landcover raster are within each polygon of a Census Blocks shapefile.
I've ...
5
votes
1
answer
1k
views
Tabulate Area ArcGIS
I am trying to work out the relationship between the 'processing cell size' and the result from Tabulate Areas. If one uses the same as the raster cell size, and this is the same for both rasters, the ...