Questions tagged [erase]

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

7 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
403 views

PostGIS st_difference similar to ArcGIS Erase?

I am attempting to replicate the ArcGIS erase tool in PostGIS. Here is the problem I am working with Two Layers land use land cover (150,000) multipolygon table multipolygon soils table (30,000) ...
1
vote
2answers
72 views

Getting Erase ExecuteError 999999?

I've made an arcpy script which worked last week, but I placed it somewhere different on my computer. I've made sure all the source files etc. are connected. However now I keep getting an error ...
0
votes
0answers
384 views

Function in R to get difference between two sets of polygons comparable in speed to QGIS

I have two very large polygon shapefiles for which I need to calculate the difference between the two shapefiles. One is a shapefile of forest polygons, the other is a shapefile of road polygons. I ...
0
votes
0answers
153 views

Getting empty output with Erase tool in ArcGIS Desktop?

I'm looking to isolate the parts of two hexagon feature classes that overlap: I thought that I could use the Overlay > Erase tool to do this. The "input feature" would be the first image, and the "...
0
votes
0answers
40 views

QGIS/PostGIS Difference Geoprocessing with tolerance

This is probably an extended question from my another question (Increase spatial query performance (st_difference)) This is the background is this. I have a road link and a tunnel link. From the road ...
0
votes
0answers
128 views

Polygon Erase through PyQGIS

I'm very beginner in QGIS and I want to erase Features by using PyQGIS. I have written this code. So far, it give me the geometry of each feature polygon layer, but I don't know how to erase it ...
-1
votes
2answers
21 views

Trying to make a toolbox from script buffer to erase to make feature layer

I am trying to take a script that I edited from a ModelBuilder export. I am trying to plug it back in to make a tool that will buffer then erase, and then make feature layers. What am I doing wrong? ...