A visual representation of an area-a symbolic depiction highlighting relationships between elements of that space such as objects, regions, and themes

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2
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0answers
22 views

How to create a syntesis map ( eg. climatic vulnerability) in Qgis [duplicate]

My final goal is to create a synthesis map of climatic vulnerabilities composed by different thematic variable with different weights. I would like to ask for support for the following issues: For ...
-1
votes
0answers
9 views

Getting outlines of localities in Maps api [closed]

How to integrate outlines of localities to a website.I am able to place markers for all businesses in a locality but the issue is getting the outline of locality as shown in google maps.
1
vote
0answers
28 views

Metric maps vs topological maps for path finding and UI rendering of indoor floor layouts

I'm building a software to map indoor floor plans of large facilities (like malls). I read through some of the questions on this forum, but my constraints are a little different than the ones ...
2
votes
0answers
42 views

How to create a legend for quantitative visualization with increasing icon size?

I am trying to find a way to do a map and legend like this: I am using QGIS 2.6 Brighton. The only way was to do a pie chart but I think it's not possible to create classes. I can create circles ...
0
votes
0answers
9 views

How to reformulate a great circle function from plot to ggplot2 system

My data frame consist in a list of projects, and everyone of them has a central node and several no-central nodes (I plot them with a function "map_points"). I want to connect this central node with ...
0
votes
1answer
28 views

Time spent writing cutting and rendering map tiles algorithm/mechanism

I know this a very vague question but I really need to know this. Can anyone help me find kinda matrix that shows how much time spent by different companies writing their map tile cutters/renderers ...
0
votes
0answers
18 views

CartoDB - infowindow / templates - multiple languages

Is it possible to configure CartoDB infowindow and templates in different languages via visualization panel? For instance, I am thinking to define in client js viewer some language templates, detect ...
2
votes
1answer
47 views

D3 missing zoom Choropleth + Raster

following this example and Choropleth from Mike's site trying to get: image + vector + choropleth = my map As you can see I'd lost zoom capability on vector layer. I'd been trying differents things, ...
0
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0answers
18 views

Enabling all layers by default using Leaflet?

I am using leaflet maps to compare heat layer and marker layer. I've an option to add multiple marker and heat layers dynamically. For me Heat layers are enabled by default as on when user adds new ...
2
votes
0answers
73 views

Advice needed on JavaFX Map Rendering

A few months ago I inherited an old (10+ years) Java Desktop application that used maps and simple icons to represent point data to various users. The application was writted in Swing and used Esri ...
1
vote
0answers
109 views

Finding and selecting locations in database near 10 km distance from path

In the Google Maps API, I have this Javascript. It is finding and showing user the shorter path between two cities. <!--////// \\\\\\\--> <style> #panel { position: ...
0
votes
0answers
122 views

Offline Maps API for C# Desktop Application?

I have a C# WPF application which has browser control to display a Google Map. Google Maps API v3 is being used in the application. I use data received from a service to plot users current location ...
0
votes
2answers
77 views

create a draggable circle in leaflet

hey guys can u please tell me how to create a circle in leaflet which can be dragged across the map.I do not want to use Circlemarkers as i want to specify radius in meters and also the size of ...
1
vote
0answers
48 views

KML Layer Watermark Removal

Hello right now I have a google maps page with KML Layers from multiple online resources. However all of these layers especially those from noaa have giant watermarks that take up large portions of my ...
1
vote
1answer
94 views

how to generate NDVI with multi channel images?

I have a 6 channel proprietary camera and I need to create a NDVI map. I created a map from each band, so now I have 6 files each one on a different band width. How can I proceed now? I am using QGIS ...
0
votes
0answers
6 views

Using CQL to query Multiple WMS layers? [duplicate]

I have two WMS layers, one with points which lie on a state map. I want to use cql to display a particular state and points on it ..when I separate the queries with a semicolon (ex ...
0
votes
2answers
49 views

How can I tell who owns a particular piece of property on a map?

not sure if this question quite fits this site or not... I already saw mentions of maponics and reportall but they both seem to be address specific one by one sort of tools. I basically would like ...
1
vote
0answers
33 views

Auto generate waypoints for a map

I am working on a project where I need a function which generate way-points considering the obstacle in the area. For example, if a shoreline world-map is given and the requirement is to generate 100 ...
2
votes
1answer
68 views

How to auto-generate multiple maps with different features in QGIS?

Anyone can explain me how can i auto-generate multiple maps with different variablies using Atlas tool in QGIS? So i have only 1 layer which consists of 10+ features, and i want select some of that ...
1
vote
0answers
77 views

Download layers from arcGIS online in python [closed]

How can I get layers/maps from arcgis online in Python? I mean to download layers from Arcgis online in python, just like publishing. I've searched about it in the documentation of Arcgis 10.2.2, but ...
1
vote
2answers
39 views

ArcGIS to Android Phone

So I have a ArcGIS webmap ( http://lvrs.maps.arcgis.com/apps/Viewer/index.html?appid=a2756011923849659bc76ecd5ef7201c) and I am wondering how would I export this and actually be able to run this on ...
0
votes
0answers
28 views

google maps float pin in center and return location

I would like to keep the pin constant in the center of google maps while the user can move the map and zoom around and whenever the map is untouched the current gps location of the pin (in the center ...
4
votes
1answer
164 views

Digitizing contour lines from paper maps using QGIS?

Is it possible to give digitized altitude lines (from paper map) heights using QGIS?
2
votes
2answers
64 views

Is there a county-level maps dataset that includes independent cities in virginia?

and thank you in advance for your help. The following code shows the dataset I am working with: library(maps) CountyMapData <- map_data("county") head(CountyMapData) long lat group ...
1
vote
1answer
201 views

Cant get infoWindow to show in CartoDB dynamic layer

Heres my very simple code. <title>Leaflet multilayer example | CartoDB.js</title> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <meta ...
2
votes
1answer
92 views

OpenLayers3 Navigation control

I want to navigate the map using mouse drag. we did it in openlayers2 using navigator control. Does Openlayers 3 have navigation control? should I add it to map like Openlayers 2?
2
votes
2answers
145 views

How to build a map that highlights only one state?

I'm a journalist working on maps of several Alaska databases. I'm learning as I go and have a question that's probably very basic, but very important for my projects: Using CartoDB, how can I create ...
0
votes
0answers
14 views

Customized use cases of ushahidi

I have always heard of ushahidi as a platform for crowdsourcing incidents, monitoring an event.. All of use cases are related to events or similar. For those who tried it, I would like to know if it ...
1
vote
1answer
65 views

Creating an online form with intergrated google maps

Not sure if anyone can help, but i am looking at creating an online form that includes a map (google or something similar) where the user can draw a poly and when the user hits submit, i get all the ...
5
votes
3answers
769 views

How to know if a point is inside a rectangle on the map?

I have four points that represent a rectangle (a,b,c,d). I got these points from mobile GPS. In my database I have this table of business locations: bussId | longitude | latitude ...
1
vote
1answer
108 views

Cost of usage for various providers [closed]

I want to use maping services in my website and I am confused about the options that are provided. I try to do a comparision between features, accuracy and most important cost. I am total newbie and ...
1
vote
1answer
69 views

Google Maps, here maps data in one database

I want to create a database from here and Google Maps to combine with my data. Then I create an application that can use this database. Basically I want to host the server with Google and here map ...
3
votes
2answers
300 views

Examples of ASCII-art maps

According to Wikipedia, ASCII-art is one of the earliest techniques used for digital graphical design. An ASCII-art technique can be traced back to 1939 and computer-art pioneers have used it since ...
1
vote
0answers
43 views

OpenLayers Multiple Maps Problem (maps leave blank)

I try a round with OpenLayers and was very impressed how mighty it is. But I have a problem (maybe a easy one, because I am not so trained in js). After adding additional maps all maps leave blank, ...
0
votes
0answers
87 views

Placing Pins and following transformation on zoom map d3

So I am using this http:// bl.ocks. org/mbostock/4699541 framework on D3.js and I just figured out how to append circles to the map. However when you click on a state the circle moves out of place ...
0
votes
0answers
93 views

No Load kml in Openlayers MVC ASP.NET

I have a problem to load a kml map using OpenLayers. I used this in this example: http://www.openlayers.org/dev/examples/sundials.html I put the following script to load the kml var wms = new ...
0
votes
1answer
149 views

Draw arc in Geo map WGS84 coordinate system

im trying to draw an arc in OpenLayers, in non Geo map it works well and here is my code: function calculateArcPointsNonGeo(center, radius,startAngle,endAngle,segments) { var pointList = ...
1
vote
0answers
87 views

Python error message after download (QGIS 1.8.0/ Windows 7)

Hello to all members of the forum, I downloaded from the OSM website a small area in the neighborhood of Strasbourg, France: X (longitude): 7.6808 7.8216 Y (latitude): 48.5075 48.52 I got the two ...
0
votes
0answers
18 views

QGIS Google satellite layer moving each time it's turned on [duplicate]

I have imported location data in a text layer, CRS = WGS84 and have put in Google Satellite and Google Street (WGS84/pseudo mercator) in but each time I switch on a Google layer it moves relative to ...
2
votes
1answer
188 views

plotting a map of north greenland in R

My knowledge in GIS and R is again tested when I want to map a small part of northern Greenland (called Washington Land) in R (and plot analysis data on top later). I've managed to plot it with ...
1
vote
2answers
206 views

render geotiff tiles as a map layer

i have the following problem: i have downloaded tiff files with gMapMaker and transformed them to GeoTiff using the associated .map files in QGIS. now i want to render these GeoTiff files to use them ...
0
votes
0answers
160 views

Plotting a Route on Google Maps using a string passed to a function as a parameter

I'm trying to plot a route, using Google Maps. I need to be able to pass a string to the function, to build the Polyline. I can do the following and it works fine: var flightPlanCoordinates = [ ...
2
votes
0answers
272 views

Convert Google Street View urls from OLD to NEW

My website accepts google street view links as submissions. Google has updated the url format some months ago. Does anybody know how the old format is converted into the new format (and vice versa)? ...
0
votes
0answers
15 views

Plotting two shapefiles using R? [duplicate]

I'm not familiar with using R for GIS. I was wondering if you can help me figure out how to plot different shapefiles at the same time. I'm using the "map" function to generate a map in order to get ...
0
votes
0answers
13 views

Is there any catalogue of Canadas MCR map series?

Browsing through the University of Toronto Map Library, I discovered a number of officially produced maps that I was not aware of, such as: A national Canadian series in six huge sheets at ...
0
votes
0answers
30 views

OpenLayer Maps not zooming

Initially the map zoom is set to 8, and that's the only place in the code i can change the zoom, any other location doesn't work. I have a function that draws a marker and a route on the map (works ...
0
votes
0answers
41 views

feature position on non-Geo-referenced Image

I use OpenLayers to show Map , when im creating the map, i want to show map image with an ImageLayer and VectorLayers, the image is non Geo-referenced. The use case: i receiving a map image url from ...
2
votes
2answers
90 views

What USGS maps exist in the 7.5' × 15' metric 1:25,000 series?

While browsing through the library, I discovered that USGS has, in fact, produced some metric maps at 1:25,000. One example is Thendara (NY), 43075-F1-TM-025. As far as I can tell, those maps are ...
3
votes
1answer
78 views

Coloring of features in ArcMap 10.1 changes randomly while zooming

I am using the sovereign states shapefile (ne_110m_admin_0_countries.zip) from http://www.naturalearthdata.com/ and joined the attributes with a spreadsheet file that codes many (but not all) country ...
7
votes
2answers
80 views

Resources for Learning 508 Compliance/Accessibility Requirements for GIS Figures

Does anyone know of any quality resources (books, papers, presentations, websites) for learning about 508 Compliance/Accessibility requirements in relation to cartography (GIS figures and templates)? ...