Questions tagged [erase]

The action of removing data attributes or features through the processes of positive or negative selection and deletion.

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20
votes
2answers
11k views

Seeking QGIS equivalent of ArcGIS Erase tool?

Is there a QGIS equivalent of the Erase tool in ArcGIS Desktop? The Erase tool: Creates a feature class by overlaying the Input Features with the polygons of the Erase Features. Only those ...
10
votes
4answers
42k views

Cutting features to do opposite of clipping in ArcGIS Desktop? [duplicate]

What´s the easiest/smartest way of getting the opposite output of the clipping tool? I just need the area of feature A1 which is not covered by feature A2 in a new Layer/File. Now, I get the result ...
14
votes
3answers
4k views

Reverse clipping (erasing ) in R?

A reverse clip saves only the part of your spatial object that is outside the bounds of another object, as opposed to a regular clip which saves the parts that are inside the other object. ...
7
votes
3answers
18k views

Subtracting (erasing) polygons from polygon using ArcGIS for Desktop?

I have two polygon layers, one is green that represents all non-public right-of-way land. I have another polygon that is just a circle with a specified radius. I would like my output to be a polygon ...
5
votes
3answers
1k views

Can ogr2ogr “reverse clip” (or “clip out” or “erase” or “difference”) one shapefile from another?

Is there a means in ogr2ogr to "clip out" one shapefile from another? I know ogr2ogr -clipsrc B.shp out.shp A.shp will remove any part of A.shp that is NOT in B.shp. Is there an ogr2ogr command to ...
2
votes
2answers
1k views

Erase method using OGR

I'm trying to find the erase geoprocessing method as I am familiar with in ARC, but I can't seem to find it in OGR using Python. I have looked through the module OGR documentation but perhaps I missed ...
0
votes
1answer
61 views

In ArcGIS there is a Erase Point tool how can this be done in R

I have a SpatialPolygoneDataFrame and a SpatialPointsDataFrame I would like to erase the points inside of the polygon, Keeping only the points outside and all of the data. I am new to GIS in R moving ...
8
votes
1answer
703 views

Reduce processing time in Erase function using Arcpy in IDLE

I am processing 18,000 feature classes (saved in a file GDB), each with ~500 records (polygon features) in ocean areas, and I am running a script to remove area overlapping with the coast, using the ...
2
votes
2answers
398 views

Erase features from feature classes based on record ID?

This is the challenge: I have two feature classes, which have the same number of polygon features, that when overlaid form concentric "rings." I need to erase the inner circle from the outer circle ...
4
votes
1answer
297 views

How to cut unwanted area (polygon) using ArcGIS for Desktop?

I am using ArcGIS 10.2 for Desktop with a Basic level license. There are two overlapping polygon. Polygon A (with line stripes) and Polygon B (in beige color). Polygon A and Polygon B is a separate ...
0
votes
3answers
512 views

Increase spatial query performance (st_difference)

I have two link tables one is 9029 rows (and let's say this table is A) and the other is 11698 rows (and this table is B) the both tables are road link and A is for tunnel link and B is road link ...