Skip to main content

Questions tagged [buffer]

A region enclosing a point, line, or polygon at a specified distance.

0 votes
2 answers
61 views

Creating rings with buffer as polygon in QGIS [duplicate]

I need to draw circles with a buffer in one view. It will be an area around cities. I think it can be solved with a buffer or a cutout from the circle. How can I do this?
Marek Drličiak's user avatar
3 votes
1 answer
87 views

QGIS buffer concave at the front and rounded at the back

I have point layer, where points are grouped into groups - every feature has point_id and group_id. I want to generate around group of point buffer (for example 1500 meters) where front of points ...
Rii Pii's user avatar
  • 464
0 votes
1 answer
53 views

Seeing how far you can travel by road using QGIS [duplicate]

I have 2 layers, one with roads of an area, and other with shops of the area. What I want to do is to produce a map which could show the roads that are 100m within the shops. Note that what I want is ...
Denis Rusis's user avatar
0 votes
0 answers
78 views

Buffer around outer edge of polygon

I'm working in QGIS. I have a multipolygon layer and I want to create a 1.5 mile buffer around the outer edge of each polygon. The output of the Buffer tool (set to 1.5 miles) doesn't quite reach 1.5 ...
csft306's user avatar
  • 649
0 votes
0 answers
33 views

Deleting all adjacent small road lines perpendicular to buffer using ArcGIS Pro

I am using ArcGIS Pro 3.1.2. I clipped all road lines inside a buffer. However, some small adjacent road segments are within the network. Is there a tool or option that can get rid of this small part ...
GIS Noh's user avatar
  • 321
0 votes
0 answers
98 views

How to infer the cordinate system dynamically from a wkt point, for create buffers?

What about if you have a multiple point of the world? How can infer the cordinate system dynamically from a place in Python, for example Mexico, Brazil, Chile, Canada, etc.? The goal is to create a ...
Cristián Vargas Acevedo's user avatar
0 votes
0 answers
20 views

Pairwse Buffer using table of values

I'm trying to use a list of items that reference a distance to then use in a buffer. I'm having a hard time getting the table to work. I'm trying to create a drop down so they'd select Item1 and it ...
Davec433's user avatar
1 vote
1 answer
48 views

Feature disappears when setting a buffer to a drawn feature with turf.js in OpenLayers

As shown in the code posted below, I am using turf.js to buffer a geometry. The code below shows the steps I took to do the geometry buffering. In the following step: const asOLGeom = ...
Amr's user avatar
  • 43
1 vote
1 answer
42 views

How to buffer a selected point in PyQGIS

I have a few random points that I generated within a polygon. I randomly selected one of the points and would like to buffer that point. In the case below, buffering will be applied to all points and ...
seak23's user avatar
  • 191
0 votes
1 answer
38 views

Surfer Grid Contour - Inserting a buffer (river) to contours?

Using Surfer, I am making contours using a grid. I have a river running through my extent, that I need the contours to not cross over. How can I create this buffer? I can add a shapefile of the river ...
Maggie Perry's user avatar
3 votes
1 answer
251 views

Creating a one sided buffer in QGIS

I want a 3km buffer from a coastline but only on the seaward side. How would I accomplish this? I tried using difference but it didn't work I initially got a geometry error which I fixed and still no ...
Lane Simkin's user avatar
0 votes
1 answer
66 views

Generating polygons with a target area from points using st_buffer

I have some point geometries which I want to turn into polygons using st_buffer. For each point I have a target area that the resulting polygon should have. Here's an example using R: library(sf) # ...
karpfen's user avatar
  • 2,317
0 votes
0 answers
57 views

Area of intersection between two polygons: TopologyException: Input geom 0 is invalid

I am trying to compute the area of the intersection of two polygons as follows: inter = geomap_ilot.sjoin(df_final_quartiers_arrond) def f(frame): """A function to calculate ...
bravopapa's user avatar
  • 485
0 votes
0 answers
132 views

Fixing Error 1 "side location conflict" using clip raster by mask layer

I use QGIS version 3.34.3 and Windows 10. what I did so far: I downloaded the data from COSMOS Europe here: https://doi.tereno.net/landingpage/doi/https%3A%2F%2Fapi.datacite.org%2Fdois%2F10.34731%...
Jules's user avatar
  • 9
2 votes
1 answer
163 views

Generating centerline of a polygon feature, extending line feature - ArcGIS Pro

I am attempting to generate centerlines of polygon features using Polygon to Centerline in ArcGIS Pro. My goal in this effort is to create a straight line directly through the center of the feature. I ...
anthro_01's user avatar

15 30 50 per page