GIS Stack Exchange
GIS Stack Exchange

Questions tagged [polygon-creation]

Process of creating geometric polygon features.

513 questions
2
votes
2 answers

Tool for Creating Polygons

Does anyone know of any tools that exist for creating a polygons. I need to provide some employees with the ability to create shapes that detail the boundary of certain locations. So I just want a simple tool that they will simply be able to use to…
Layke
  • 125
  • 5
2
votes
0 answers

insert maximal number of circles into polygons

Possible Duplicate: algorithm to place maximum number of points within constrained area at a minimum spacing I'm trying to fit as many 30ft diameter circles into polygons of certain land cover classes without any overlap, neither with one another…
Julia
  • 111
  • 1
  • 2
  • 7
1
vote
1 answer

How to check a polygonal area for diagonal lines?

I currently have an algorithm which turns a polygon drawn on a map into a contiguous set of 100m^2 chunks. Sometimes the algorithm fails and I end up with chunks missing and a diagonal line remains part of my polygon. I'm working on fixing the…
SAR622
  • 121
  • 4
1
vote
1 answer

Draw a polygon with specified edge length in QGIS Madeira

I am looking for a possibiliy to draw a polygon with specified edge length in QGIS Madeira. I already checked further Threads belonging to this question, but all answers refer to PlugIns which are not correspondig with the current GIS Version.
Calosoma
  • 21
  • 1
  • 3
1
vote
1 answer

Unable to draw multiple polygons using Shapefile layer

I am new to QGIS. I would like to draw a boundary and a few polygons (to represent buildings or concreted areas) on a map for planning out a farm soil delineation map (with some irrigation). I was planning on drawing polylines to include pathways…
ian
  • 11
  • 3
1
vote
0 answers

How to draw an exact polygon with exact messurements

I want to draw a polygons on a Google satellite map. I made a Shapefile to work in, but I can't find the right tool to make a polygon that is exact 20 x 20 or 40 x 10 or some other measure. As I start drawing now its just a messy polygon... Can…
TDO
  • 11
  • 1