Top "Polygons" questions

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

google maps API v3 - how to draw dynamic polygons/polylines?

I have 4 days of experience with Google Maps Javascript API and i find their documentation and information sharing confusing at …

drawing google-maps-api-3 polygons
How do I Add and Remove Polygons on Google Maps v3?

I'm trying to show and remove polygons onto a Google Map, using v3 of the API. In my JavaScript, I've …

javascript google-maps google-maps-api-3 polygons
Initializing Half-edge data structure from vertices

I'm working on implementing various subdivision algorithms (such as catmull-clark); to do this efficiently requires a good way to store …

algorithm data-structures computational-geometry polygons
Identify if point is in the polygon

As per my requirement, I am drawing polygons on google map shown in the image below.(using maps v2) Now …

android google-maps geolocation android-maps-v2 polygons
Detecting clusters of white pixels in an image using openCV

Input Image: Expected Output: I intend to fit three (or some number of) polygons (for this case, rectangles) to signify …

opencv contour polygons regions
Shapefile with overlapping polygons: calculate average values

I have a very big polygon shapefile with hundreds of features, often overlapping each other. Each of these features has …

gis postgis shapefile polygons arcmap
Convert Multipolygon to Polygon in Python

Is it possible to convert a Multipolygon into a Polygon which fills all holes or missing inner areas using Shapely? …

python polygons shapely
Point in polygon algorithm for SQL Server

I'm trying to write a SQL query which determine if a given point is into a polygon. (I'm using SQL …

sql-server algorithm sql-server-2008 polygons point-in-polygon
Finding adjacent polygons in R (neighbors)

I'm starting with a SpatialPolygonsDataFrame which has the data to create a map of the districts of Ghana (available at …

r gis polygons
How to merge adjactent polygons to 1 polygon and keep min/max data?

I have the following polygons in PostGIS Each polygon has field with "Data" value. I would like auto merge the …

postgis esri qgis polygons