The representation of data in a viewable medium or format

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1
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0answers
13 views

Can I overlay a CartoDB visualisation on Bing Maps base?

If I am using Bing Maps as my base map, can i overlay a CartoDB visualisation (that I created earlier) on top of it? If so how do I go about doing that? The example on the cartodb site only refers to ...
1
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1answer
184 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: ...
2
votes
2answers
183 views

Laz LiDAR files display extremely long thin line of points

I am having difficulty properly visualizing aerial LIDAR data from the csc.noaa.gov source. Taking any of the .laz files, the point cloud displays as an extremely long thin line of points. Zoomed in, ...
7
votes
5answers
2k views

Visualization of satellite image - directly in python

Is there any way (a package or what not), to visualize a geotiff image directly in Python? I don't want to use ENVI or ArcGIS or anything else. Thank you in advance.
1
vote
1answer
501 views

Creating animated graphics to symbolize selections in ArcGIS Explorer?

I want to create and add some animated graphics to the features based on a query in ArcGIS Explorer, like some moving waves at the queried features. Is it possible?
0
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3answers
43 views

Delivering DEM layers with visualisation?

I'm not sure if it's right place to do that but I am in a strong need of getting some help. I am creating maps with lake bathymetry and there will be a lot of them. My task is to proceed the data ...
2
votes
1answer
64 views

Importing xyz text ascii GPS time-series for velocity visualization using QGIS?

How i can import text ascii xyz gps time-series in QGIS for velocity visualization? Example xyz MLBU 07SEP17 2007.7098 -0.119998752351520E+07 0.626106994328102E+07 -0.199557178074915E+06 ...
8
votes
6answers
1k views

What are the main fields of applications of 3D GIS?

I'm doing a scholary research on 3D GIS but i have some problems in finding where they are used. Does anyone know of any real life examples where 3D GIS has been adopted?
0
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0answers
39 views

How to leave out cities with less than X number of observation in ArcGIS?

I would like to generate some quintile maps based on the averaged sentiment score in each city in the US. However, not all the city has the same number of data point. How can I tell ArcGIS to show ...
2
votes
1answer
54 views

Generalizing exact location of certain data points using Carto CSS?

I am dealing with some sensitive data for which providing a high resolution of accuracy of the location would be detrimental. However, the general location is not sensitive and useful to share. I ...
14
votes
6answers
1k views

Ways to visualize multiple large LIDAR tiles?

I want to load approximately 10 large LIDAR tiles for analysis. I have tried using ArcScene but it appears there is a limit on how much data ArcScene can handle at one time. Each tile is 65-90MB in ...
2
votes
2answers
105 views

Identifying LiDAR tiles that are located within boundaries of AOI

I am attempting to replicate the process of creating digital elevation models from raw LiDAR data and have been provided with LAS files covering an approximate 530 square mile county area. However, I ...
2
votes
0answers
14 views

Applying colour ramp to DSM in ArcGIS using real elevation values as colour cut-offs?

I have a topo-bathymetric lidar DEM that I need to construct a CSR for in ArcGIS 10.3. I know how to make colour ramps and personalize them, but I'm wondering if it's possible to make a ramp based on ...
1
vote
1answer
67 views

QGIS - Problem in visualizing raster - Raster disappears when pan or zoom

I'm having the following problem in QGIS 2.12.0. When I load a raster, this disappear when I pan or zoom in or out the image. If I try to do some actions three four times, it appears again. It seems ...
3
votes
4answers
65 views

Showing spatial coincidence using QGIS / PostGIS?

I have a database of fire hydrants (HYD). The positions aren't very exact, the other fields are very useful. I also have a database of GPS'd fire hydrants (GPS). We are manually moving the HYD points ...
1
vote
0answers
144 views

How to represent the time(weekly/monthly) variationof a polygon map using one image?

I have a base map made up of three hundred polygons, Each polygon has lots of attribute values(For example, each week/month get a value). But I only want to draw one picture(due to page limitation) ...
0
votes
1answer
51 views

How to display multiple points in a torque map with CartoDB

I would like to create a visualization with multiple points change size based on a certain value, right now I only have one (check it out) I need them all to change at the same time. I see ...
0
votes
1answer
38 views

CartoDB - visualise multiple properties

Is there a clever way to visualise more than one property in a single map overlay? Ideally I would like to produce a dot grid map in which the size of the dot represents a scaled property and the ...
0
votes
0answers
22 views

Zoom beyond level z16 with MapBox Studio Classic

I've loaded a georeferenced TIFF over a university (NTNU) into MapBox Studio. The fist problem is that everything is black, and I have to use the longitude/latitude of the area to find it. Second, and ...
2
votes
1answer
47 views

Setting colour on point cloud data from raster

I was reading this article: 14 ways to take charge of lidar data. Number 12 states that you can change the colour of your point-cloud data by using a raster image. Does anyone know the process for ...
3
votes
1answer
1k views

How to process topographic survey data in ArcGIS?

I am interested to find out how others process topographic survey data in ArcGIS. Often I am only given a text file or an Excel spreadsheet containing XYZ points and simple attribute information ...
1
vote
0answers
32 views

Display polygon colours as percent reflectance of sunlight

I have a set of polygons which I would like to display in different colours. The only information I can give on the colours is the percent reflectance of sunlight in different channels, e.g.: B: ...
2
votes
2answers
46 views

Any free Tools to display more than 5000 geography objects in SQL Server?

SQL Server 2008 and up allow you to create a spatial index. If you select records that include a geography or geometry object, a spatial data tab appears that can display up to 5000 points or lines or ...
1
vote
0answers
119 views

show some data on a map by OpenStreetMap from C# VS2013 [closed]

I am very new to Open Street Map. I have some data that need to be shown on a map by Open Street Map from C# VS2013. It can be WPF or windows forms. The data is about some statistics results by ...
1
vote
2answers
175 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 ...
10
votes
6answers
5k views

Viewing LiDAR data from web browser?

I am looking to host lidar data on my own server and give clients the ability to view that data through a web browser as a 3D point cloud (file would be in .las format or equivalent), possibly with ...
0
votes
2answers
35 views

Visually identifying areas where older poles predominate?

I have a dataset of 300,000 poles including a number of attributes including pole age. What I'd like to do, ideally, is be able to distinguish areas that have more old poles. Unfortunately I can't ...
2
votes
0answers
63 views

How to visualise change matrices over time

i've hit a bit of a tricky visualisation issue; I am quantifying some land use and land use change (LULUC) over a number of years. Typically, for data going from year to the next, a land change ...
5
votes
3answers
3k views

Convert GML to GeoJSON

I have downloaded a GML file from Statistics Canada and would like to convert it into GeoJSON to use parts of it in a D3 visualization on the web. However, I did not find a converter that would do ...
1
vote
2answers
147 views

Free 3rd party library for showing geospatial vector information

Up to now, I have used GDAL to extract raster data from geotiffs and then, OpenGL to show that raster data. But when it comes to extract vector data with the help of OGR, what library would you ...
0
votes
1answer
30 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 ...
1
vote
2answers
82 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
vote
1answer
26 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.
1
vote
0answers
47 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 ...
0
votes
0answers
26 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 ...
0
votes
1answer
81 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 ...
1
vote
1answer
56 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
votes
1answer
49 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 ...
0
votes
1answer
30 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, ...
28
votes
12answers
17k views

How would I draw and visualize custom maps based on OSM data?

I would like to be able to use openstreetmap data for a specific region as a source and "draw" from that the map of infrastructure improvements - mostly roads. I want it to be self-hosted (not ...
3
votes
0answers
94 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 ...
3
votes
2answers
188 views

How do I visualize a time and space sequence of events in ArcGIS?

I would like to visualize this scenario: I have 5 weather stations. I would like to present a sequence of rainfall events for them. For example, rain was starts at station 2 at 6:09 and then went to ...
0
votes
0answers
70 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. ...
184
votes
54answers
60k views

What Makes a Map Beautiful? [closed]

Often times when we make maps it is based on our subjective interpretation of what is aesthetically pleasing. I would like if people posted examples of beautiful maps, displaying any phenomena in any ...
0
votes
1answer
782 views

How to use cartodb.js with API key for privacy of data

I would like to use cartodb.js in my web page reproduce a visualization that I created at CartoDB. But I want to keep private my visualization and data at CartoDB (and I am going to secure my web ...
4
votes
5answers
2k views

Where can I find free Bathymetric data for Indian Ocean?

I am looking for bathymetric data, to place in a map of India for visualization only. I don't really need very high resolution data, since the the map will be at a very small scale: Maybe 1:1Million ...
1
vote
0answers
81 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 ...
0
votes
1answer
256 views

Export ArcGis Time Visualization

How come when I try and export my time series in ArcMap it compresses the video to 3 seconds? My time change visualization is at least 10. What can I do to make my exported video longer?
1
vote
1answer
60 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. ...
1
vote
1answer
133 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 ...