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Use this tag when asking questions related to where features overlap.
2
votes
Accepted
Deleting overlapping polygon features from one of two layers using QGIS?
You can also use "symmetrical difference" (vector > geopprocessing tools) to do what you want in one step (also called XOR, see a description of overlay operations on wikigis for more details)
On the …
2
votes
Intersection Type Data
Navteq-here does, but it is quite expensive. You can download a sample on their site to make sure it is what you want. I think TeleAtlas also does.
5
votes
Fixing thousands of small overlapping polygons?
Once you have created a topology, you have identified the errors.
In the list that shows the errors, you can select all the errors of the same type, right click on this list and chose a "fix". In yo …
1
vote
Assigning values to a grid cell based on number of intersecting features
This can be done with the spatial join tool. You need to select the JOIN_ONE_TO_ONE option. Of course, you might have to run this tool several times if your stressors are not in the same feature class …
7
votes
Accepted
How to fix overlapping polygons using ArcGIS for Desktop?
the quick and dirty method consists in using the "union" tool with the layer alone. Two new polygons will be created where polygons are overlapping and you can remove one of them. This is not straight …
4
votes
How to intersect more than two layers? Is there a quick way?
With ArcGIS for Desktop Basic and Standard licenses, the number of input feature classes or layers is limited to two. (source: arcgis help)
So if you don't have the advanced license, you need to run …
2
votes
Accepted
How do i rescale feature classes of different scales for intersect analysis?
If the data is georeferenced, you do not need to rescale anything. However, you should be aware that your data sources have different spatial resolution and use a tolerance (20-50 m) to avoid sliver p …
0
votes
How to find if a pixel is entirely within another pixel when comparing for example two GeoTI...
Assuming no rotation, if you have the coordinates of the center of your pixel, you can check that both the absolute difference between the X or Y coordinates of your "blue" pixel" and the "red" pixel …
3
votes
Split lines at intersections in ArcGIS
you can use feature to line if you have an advanced licence (which is the case if you have split line at point). Below is a snapshot of the feature to line help in ArcGIS.
2
votes
arcmap mapping information of 2 layers, how to get rid of non-related results
You can select by location the features in the blue circle, e.g. using the rules "touch the boundary of" your buffer, then select from the selected feature using "within" your buffer.
In your case, …
2
votes
Accepted
Cleaning up Line Features
I assume that you did a copy parallel equally on the left and the right of your original roads. So, in order to clean up a bit, you could
create a buffer polygon of the same size and dissolve all t …
1
vote
Accepted
How to output parts of layers (shapefiles) that do not intersect using ModelBuilder?
you can use the tool called "symmetrical diffrence" to create a new feature class. If you don't have an advanced licence, you can make an union then select by attribute the features with one of the tw …
0
votes
Overlap or intersect two choropleth
As Chris W says, I think that you are trying to build a bivariate representation of your data (not spatially intersecting).
Personnally, I find this easier to do in raster. Use the intensity in red …
66
votes
Accepted
Finding if two polygons intersect in Python
. – and a theoretical framework for
understanding them using the 3x3 matrix of the mutual intersections of
their component point sets
The following code shows how you can test for intersection:
from shapely.geometry …