Top "Polygon" questions

For issues relating to the creation, manipulation and rendering of polygons in graphical user interfaces.

Polygon Intersection with Line | Python Shapely

I have been trying to use shapely to find the intersection of a line and a polygon, but I'm having …

python line polygon intersection shapely
mongodb check if point is in polygon

mongo 2.6 I have some amount of stored polygons. And I have a point. I what to know if this point …

mongodb polygon point mongodb-query
Scaling an arbitrary polygon

I've been scouring the internet for days, but have been unable to find a good answer (or at least one …

algorithm polygon concave
Google maps : How to open an InfoWindow for a Polygon by clicking on it?

I have a simple question, but i can't find the answer in the Google Maps API documentation... I have a …

google-maps click polygon infowindow openinfowindowhtml
Simplified (or smooth) polygons that contain the original detailed polygon

I have a detailed 2D polygon (representing a geographic area) that is defined by a very large set of vertices. …

algorithm geometry gis polygon computational-geometry
Intersection of two convex polygons

I have two convex polygons. Polygons are implemented as cyclic lists of their vertices. How to find an intersection of …

algorithm graphics polygon
Draw a Polygon using Mouse Points in C#

I need to be able to draw a polygon using mouse click locations. Here is my current code: //the drawshape …

c# polygon mouseclick-event
Change colour scheme for ggplot geom_polygon in R

I'm creating a map using the maps library and ggplot's geom_polygon. I'd simply like to change the default blue, …

r map ggplot2 polygon color-scheme
Reduce number of points in line

I'm searching for algorithms to reduce the LOD of polylines, lines (looped or not) of nodes. In simple words, I …

algorithm polygon level-of-detail
How to convert a GEOS MultiLineString to Polygon?

I am developing a GeoDjango application where users can upload map files and do some basic mapping operations like querying …

python gis polygon multilinestring geos