Tagged Questions

0
votes
1answer
145 views

How to draw straight lines inside google map polygon [closed]

I have created a google map using google map javascript API V3. I am drawing number of zipcode polygons. The polygons are of different colors depending upon some condition. Now I want to draw straight ...
0
votes
0answers
115 views

Editing a MultiPolygon in Geo Django admin Google Maps vs Open Street Maps

I have a website where we currently edit MultiPolygonFields in the Django admin using GoogleMaps V2 rather than the default OSM Open Street Maps layer. V2 is getting shut down soon in May 2013 and ...
5
votes
2answers
291 views

How to achieve an “inner glow” effect on polygons drawn using the Google Maps v3 javascript API?

Is it possible to produce an "inner glow" effect on polygons drawn using the Google Map v3 javascript API? If not possible using the vanilla Google Maps API, is there a 3rd party tool that can do it? ...
2
votes
1answer
202 views

Software for building non-overlapping sets of polygons?

We have multiple populations of patients spread out over geographic distances. For each population, we want users to easily define non-overlapping polygons. The outer borders are likely to be U.S ...
1
vote
1answer
397 views

How to color markers based on polygon area?

I have a map with around 317 markers and each marker is the center point of a polygon. The polygonal area varies throughout, so I want to represent the markers in such a way that the polygon with the ...
1
vote
1answer
276 views

I wanting to reproject the vertices of my polygon. I have been able to achieve this for the bounds but having a bit of trouble with the vertices

I wanting to reproject the vertices of my polygon. I have been able to achieve this for the bounds but having a bit of trouble with the vertices. function onFeatureModified(event) { ...
5
votes
1answer
1k views

How to calculate polygon area considering slopes?

I am looking for an accurate algorithm or a service to calculate surface area on earth where points are calculated on the basis of GPS Coordinates. I am using Google Map Api version 3 and are drawing ...
13
votes
1answer
738 views

Is it possible to gray out a Google Maps map except for some area?

What i am looking for is a way to emphasize a certain area on a Google Maps map by graying out the rest of the world. I heard about some solution of using 2 polygons of which 1 is visible and the ...
3
votes
2answers
3k views

How can I display this polygon in Google Maps, properly

NOTE: this question is sorta like a follow-on question to this original GIS Question I asked. In that question, the main suggestion was that I was trying to show two polys. Now, I'm asking about a ...
2
votes
3answers
127 views

Best program for crowd-sourced polygons on Gmaps

Looking for a way to crowd-source polygon creation on GMaps (in a wiki environment) that doesn't involved ESRI's expensive server software. Requirements: - a bunch of different wiki pages can be ...
13
votes
2answers
982 views

How can I fix my complex Polygons so they show correctly in Google Maps?

Problem: I'm trying to find a way to fix some broken polygon shapes and I'm not sure how I can do this. Details: I've got a number of polygons which I basically imported from TIGERLINES a while ...