The representation of data in a viewable medium or format

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1answer
21 views

Mapping Ecclesiastical Parish Data

I am looking for a way to plot data relating to the number of people in a given location - the location being an ecclesiastical parish. So I need software that will allow me to import a map of ...
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2answers
33 views

How can I visualize a series of points on a world map?

I'd like to run a big list of IP addresses through geolocation and then display them on a map, most preferably an OpenStreetMap one. While geolocation will probably be easy using GeoIP, I'm looking ...
1
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1answer
20 views

EasyCustomLabel in QGIS do not resize the labels

I use EasyCustomLabel to move some labels, but if I try to change the dimensions of the chars I cannot view any changes, both in the work and in the printing sheets. I use QGIS 2.6.1.
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0answers
18 views

Visualizing geo count data points in gradual colors using ArcGIS desktop?

I have data looking like the following: Latitude Longitude Class 35.773444 -78.6305752 0 38.82349688 -77.61919194 1 41.4985021 -81.7144364 1 39.9528 -75.2104 0 Longitude, latitude and ...
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0answers
21 views

how to use rubbersheet in arcGIS for my matching results

I developed an algorithm for matching road network instances. I need to visualize the matching results where an arrow shows the mapping between two instances. I have seen it in many papers but I don't ...
1
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1answer
45 views

Generate maps from different columns of shapefile with QGIS

I have a shapefile with N columns describing different attributes of some features. I would like to generate a grid of maps, where each map is a different column. Visually, I'm thinking of something ...
0
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1answer
62 views

Compare Multiple attributes visually

I am working on a project in which I want to take point features( tweets) and compare them to the GDP per capita of countries. I would like to have my end result be such as the following: GDP Class ...
0
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1answer
41 views

Copying the visual shapes from another layer to the current one, while keeping the current layers' database

There are 2 layers that have similar shapes but small differences. I want to keep the shape of layer 1 while having the data of layer 2, which includes more data and it will be animated using ...
2
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0answers
66 views

Visualizing variability in the size and shape of polygons

I am working with a data set of area restrictions imposed by criminal courts. These restrictions ban a person from entering a demarcated area. These restrictions vary in their size, shape, and ...
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0answers
27 views

draw coloured LINESTRING over map [.NET (C#) if possible]

I need to render linestring on the map (possibly OSM map) where each pixel (or at least segment) has assigned custom color. In my linestring, each point defining the line has also color definition. ...
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0answers
38 views

How to handle Point Data with date ranges

I am running into an issue with the time sliders in Leaflet. It appears that most all of the sliders developed for Leaflet operate on the assumption that each record in your data layer has a specific ...
1
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1answer
34 views

cartodb - understanding private “with link” visualizations

We are creating web dashboards for a small number of customers (~5) in which each customer can view private business-related statistics. We want to embed some visualizations inside the dashboards. ...
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1answer
76 views

3D Symbology for a Model Farm in ArcScene

I am working on visualization of a model farm I have developed consisting of various types of grazing land, cropping areas and other. As I have constructed it myself, I don't have an image with it for ...
2
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0answers
69 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 ...
1
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1answer
46 views

Issues embedding map with CartoDB

We're having issues embedding a visualization into http://unitedlayer.com/fastest-growing-san-francisco-companies Previously, the embed code worked just fine. Once we pushed the map to the live site, ...
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0answers
33 views

Visualize regular grid as TMS

I have a regular grid of points with wind values with a distance between the points of approx. 300 m. I would like to visualize this and get a TMS (with TileStache) as a regular grid of arrows ...
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0answers
43 views

Polygon Visualization problem on ArcGIS Online?

Has anyone encountered Visualization problem when uploading shp (zip) file on ArcGIS Online? The polygons are all displaced and overlapped with each other! I am sharing the link with the layer of ...
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0answers
71 views

how to apply automatically current visualization option in NetCDF files using arcpy.mapping?

I am trying to create a time series animation automatically from NetCDF files, containing each file monthly data for the whole planet for periods of 10 years. I am writing a python script that reads ...
1
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1answer
32 views

How to create multible labels non-ovelaped in CartoDB?

I'm trying to make a map poiting the cities I've visited for work, in each city I've visited more than one place. Those places are my labels, bur they are overlaped. If I choose label overlap = false, ...
2
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2answers
104 views

What can be used to drape an High res Image over a DEM and get high quality results?

I have a High resolution Georeferenced Orthomosaic, as well as a DEM of that area. The pixel size of both is 20 cm. The data is in Tiff format. I tried to drape the Image on the DEM in ArcScene, but ...
2
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1answer
103 views

UTM Coordinate Mapping Across Zones

I am building an application that requires me to plot UTM coordinates on a chart using CSV data. I am given two UTM coordinates for each record, although I would like the application to handle zone ...
2
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2answers
133 views

Create a layer selector when making a map at runtime for CartoDB

Using the same theory to create a search box at runtime, (such as here), I wrote this code: var l = cdb.vis.Overlay.create('layer_selector', map.viz, {}) l.show(); $('#map').append(l.render().el); ...
1
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1answer
101 views

CartoDB - Method to show/hide layers for hatching overlap for > 4 layers?

Our goal is to show/hide individual hatched maps. Unfortunately we have more than the 4 max layers allowed in a viz. We successfully made and example where we show/hide the 4 layers in a viz: ...
14
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3answers
683 views

Using GIS tools for non-geographical problems

Many other fields have visual/"spatial" problems that can potentially be solved with GIS tools. I know I've used GIS tools for the odd non-geographical task and was wondering how much this happens and ...
5
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1answer
153 views

Standard colour ramp for wave height visualisation

I'm working on a visualisation of weather, including wave heights. The source data is from a WaveWatch 3 model, and I'm using GeoServer 2.7 (with NetCDF and dynamic colormap extensions) to do the ...
0
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1answer
111 views

CartoDB - can we overlay 2 visualizations

Suppose we make two map visualizations from a loaded polygon shapefile in the CartoDB free online system. Could we overlay these 2 maps on top of each other in a web page using the CartoDB.js API? ...
3
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1answer
193 views

Shapefiles not showing in OpenLayers using QGIS export to OpenLayers 3 plugin?

I am new to GISs in general and I am working with QGIS to generate layers to be shown on OSM using OpenLayers. My problem is the following: I have multiple layers in a QGIS project and I want to ...
1
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1answer
70 views

Cross information in ArcGIS for Desktop?

I'm a total amateur at ArcGIS for Desktop, this is the first time I use it for real. The thing is I have several shapefiles with information about: Schools in my city (elementary, middle and high ...
0
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1answer
72 views

Best program or tool for visualising big data sets really fast 10-20 GB data if the users don't know squat about GIS?

I have between 10-20 GB various GIS-data that there is a need to set up och and visualise for various users who want to be able to pan, zoom and switch between various layers and groups of layers ...
1
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1answer
43 views

Visualisation of “dominant” point in each location

I had an idea for a kind of visualisation, and I'd like to know if it's been done before, what it's called etc. Basically it would visualise a single numerical quantity that varies greatly, at ...
2
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1answer
62 views

Mapping datapoints over several floors of a building

I'm new to web mapping and am planning and investigating ways on how to best plot and visualize user flow through a building across several floors. We are planning on tracking users location based ...
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2answers
128 views

How to visualize pgrouting result?

So I use this query SELECT seq, id1 AS node, id2 AS edge, cost FROM pgr_dijkstra(' SELECT gid AS id, source::integer, ...
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0answers
28 views

Why does no data show up in the embedded CartoDB map? [closed]

It seems something went wrong with CartoDB. Recently I am trying to embed my visualization into my website. But only comes with a blank map. Then I noticed that the live example from the official ...
2
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2answers
202 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 ...
4
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2answers
286 views

How to build cylinder or cube multipatch objects in ArcGIS?

I'm trying to visualise a series of boreholes, which consist of points on the ground surface, and soil sample values taken at 0.01m depth intervals (in a related table). eg in this screenshot, I've ...
3
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0answers
335 views

QGIS 2.4.0-Chugiak: How to threshold NDVI to calculate emissivity for land surface temperature

I am analysing urban heat island using thermal band 6 of landsat TM-5 sensor with respect to Normalized difference vegetation index that derived from the Band 3(Red) and Band 4(NIR). Lansat TM years ...
2
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0answers
63 views

How to clearly display a huge shapefile with many point features?

I have two vector shapefiles, each with 54,000 features. When it's zoomed in on a small region, I can clearly see the feature colors: but as I zoom out, this is what I get: Any suggestions on ...
4
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2answers
252 views

Visualization of a field in Leaflet

In a Leaflet app I want to overlay raster data (technically speaking, a field) on a web map. The data consists of triples < lat,lon,value >, where value is in range [0,1], for example: ...
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0answers
22 views

Tools to generate all the possible geometries meeting specific constraints

I have an area = 2d polygon (generally a 4-side shape). I would like to generate all the possible rectangles matching the following constraints: that fall within the surface of the area with a ...
1
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0answers
56 views

What kind of methods are most commonly used to interpolate a relief?

I have got a topographic plan with height measurements which I converted to point shape file with height value in attributes. I was wondering, what kind of methods are most commonly used to ...
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0answers
45 views

Tutorial on creating geospatial visualizations with Processing(.org)?

Recently, I've seen examples, (lots of examples ) which use Processing(.org) for creating network visualizations. So far though, I have not been able to find any good tutorials on it. I was wondering ...
0
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1answer
103 views

how to display movements of a moving object in cartodb

I have few GPS tracks with lat long and timestamp. I want to present them on a map and to show how the movement took place using the time series location values (X,Y,T). I searched a lot but could not ...
2
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1answer
100 views

How to make a 3d visualisation of different peat layer to show the height of each layer?

I have bore hole point data that has about 5 to 7 types of peat layer and also has several depths. I also have digital elevation data of the area. I need to interpolate these layers separately, then ...
0
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1answer
23 views

Why did my Visualization tools disappear from the CartoDB Sidebar?

I was working with the "Intensity" visualization tool yesterday. Using the same data, I created a new map, and now I can only access: Simple, Choropleth, Category, and Bubble. Where did Intensity, ...
0
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1answer
51 views

Link to an individual info window in CartoDB?

I'm a new user, so thanks for your patience and assistance. I just published a very large parcel dataset on CartoDB. Another website would like to link their parcel dataset to ours. Meaning, if you ...
3
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3answers
706 views

Black/white hatching pattern fills in QGis

I am looking to replicate black & white maps in QGis, using hatching patterns and greyscales to indicate different categories of a continuous variable (example below). It is ...
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0answers
85 views

Which bins should be used for demographic data for a choropleth map?

I'm currently working on a project which produces a choropleth map similar to a map like this: http://dl.dropboxusercontent.com/u/54512470/Telefondaten_VIZ/index.html That map has 2x5 classifications ...
1
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1answer
158 views

generic “There is a problem with your connection” error in CartoDB

I changed the cartoCSS for a visualization, but in a pretty straightforward way (fyi: changed some numerical cutoffs to other numbers, did not touch anything else). I am getting a "There is a problem ...
10
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4answers
1k views

Looking for a free program for 3D visualization

Looking for a free program or web software for 3D visualization. I'd like to have an ArcScene like abilities. No editing needed, just need to see the data in a 3D format. It'd be really helpful for ...
1
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2answers
1k views

How to plot geoJSON using Python?

I have huge geojson file that I am working on: [{ "geometry": { "type": "MultiPolygon", "coordinates": [ [ [ ...