Data with a spatial component (points, lines, polygons, raster data, etc.) as well as a time component (a particular date, time, date *and* time, span of time, etc.)

learn more… | top users | synonyms

2
votes
0answers
26 views

FOSS way of creating space time cube?

I've been experimenting with ArcGIS Pro's "Visualizing Space Time Cube" tool but found that there is a feature limitation when I try to publish it via ArcGIS Online. My goal is to publish it on the ...
2
votes
1answer
62 views

Time Manager in QGIS to perform spatio temporal analysis

I am working on identification and monitoring of pipeline oil spill using remote sensing and QGIS. (I am a new user.) I wish to know how to use the time manager in QGIS to monitor the incident events. ...
55
votes
12answers
5k views

Visualizing speed of movement on static (= printable) map?

Imagine you're tracking, for example, vehicle or animal movement and receive regular GPS position updates. How would you visualize speed of movement on a static (= printable) map? I've been coloring ...
2
votes
1answer
18 views

Dealing with spatio-temporal data: sp::over function in R

I have a dataset called carcass, which contains occurrences of livestock carcasses in Norway in the last 5 years (each raw corresponds to a single carcass, which has an ID number, along with longitude,...
1
vote
1answer
78 views

dynamic visualization of spatiotemporal data on a grid

I am handling spatiotemporal data and it is a quite new area for me. Basically I have data related to the position of cars at a given time in Montreal. I would like to dynamically visualize the ...
4
votes
1answer
628 views

Using PostGIS for a large trajectory dataset

I have a spatial trajectory dataset which basically contains about 10E6 (lat,lon,time)-tuples, grouped together by an identifier so they form trajectories. Currently, SQLite is used to store the raw ...
1
vote
3answers
252 views

Obtaining older Google earth raster image for indicating urban sprawl

I am planning to show Urban Sprawl over a time period of 10 years. I am need of older Google earth image for the area. Also, let me know about the useful ArcGIS temporal tools for such analysis.
33
votes
9answers
5k views

Visualisation of spatio-temporal data set?

I'm investigating visualisation of a spatio-temporal data-set. What examples are available, online or offline, of high-quality spatio-temporal data visualisation?
52
votes
3answers
18k views

Openlayers Animation Examples and Algorithms

i wonder for a long time if people in this community uses openlayers for animation needs. we have know this that animating on browser is a little bit exhausting for it but when a map meets with ...
0
votes
2answers
188 views

Leaflet TimeSlider not showing points correctly

I'm trying to add about 13 thousand points in a map using the TimeSlide plugin, but my points are not following a logical order of appearance. When I use the slider I get the dates in the box below in ...
9
votes
1answer
432 views

online map of 242,888 locations: which service to use? (what if temporal heat map?)

I have a 161.8 MB large CSV file with geocoded locations (with latitude and longitude) for 242,888 lines. I want to have an embeddable online map of all this. I wonder which service could deal with ...
3
votes
1answer
57 views

Spatio-temporal kriging - useful if not interpolating to new time points?

I have data measuring a variable Z say at several locations on a fixed network (each location at a fixed longitude and latitude). values of Z are measured daily at the same time. At the moment I am ...
4
votes
1answer
67 views

GRASS GIS temporal raster individual layer statistical summary

I have created a temporal raster in GRASS GIS which has 90 layers. I would like to extract the mean of each raster layer and export it as text file. Right now I have to export the rasters as GeoTiffs ...
4
votes
1answer
58 views

Tile server for temporal data

Is there any tile server that is able to render tiles for temporal data? I need to serve tiles for rain radar data and serve them in tilserverurl/{x}/{y}/{z}/{time} or similar way I've done a ...
4
votes
2answers
956 views

Creating network simulation / temporal models for videos? [closed]

I know of ArcGIS Tracking analyst and QGIS Time Manager. I have a transportation network with time based schedule for buses. I will create time aware shapefiles from this data. Is it possible to ...
2
votes
1answer
116 views

Spatio-temporal statistical analysis

I need to perform an anomaly analysis in both space and time. I have 4 data parameters: latitude, longitude, time and temperature. What I’m trying to do is to find temperature anomalies that are ...
0
votes
0answers
39 views

How can I use a spatial analysis tool (vector to raster) and keep date/time data?

I have a large point file of 18,000 points. These include amount of contaminants found in water samples from each point on different sample dates. For example the columns of pertinent data might ...
1
vote
0answers
84 views

Leaflet Temporal animation of marker clusters

I recently have applied the markercluster leaflet plug-in to my map and I was wondering if something like leaflet.timeline would be compatible with cluster visualization? if not is there any other ...
0
votes
0answers
76 views

registering MODIS in GRASS as space-time dataset

I have a problem using the space time module in GRASS GIS (7.1 for Ubuntu). I have a MODIS time series with 8 day interval, so 46 images per year. So I created a file (filelist_grass.txt) containing ...
1
vote
1answer
59 views

Different kinds of time+spatial data

I work on a geospatial aggregator. We support certain kinds of temporal data, but we don't have clear names for the different types, and I don't have a clear understanding of the range of geospatial+...
2
votes
0answers
44 views

I am working on layering GIS over time axile to visualize vehicle's movement in time [closed]

I am trying to combine time and latitude/longitude dimensions by layering calendar over map and essentially creating time-space map showing how vehicle moves in time and over the roads. Anybody have ...
1
vote
3answers
176 views

Visualizing multitemporal rasters scenes, side-by-side in QGIS?

I have to classify land cover/change every 2 months. Every 2 months about 5000 random selected points are classified, using L7/L8 images. For this, images from 5 different dates are show, side-by-side....
6
votes
1answer
242 views

Predict user's future location - location awareness mobile computing

This question is a part of an online course (Mobility Data Management) that I am currently auditing. A part of the project is to implement a system that can predict user's future location. This kind ...
1
vote
1answer
51 views

How to Predict demand on a bus route, considering variaton in kms and price?

If there is a route (line) modification, I mean change on distance; and also a change on the price for the user. How can I calculate the demand on the next year, considering seasonnality. What would ...
5
votes
1answer
176 views

Spatial+Temporal database request for 4D intersection

Here is the function I need to implement. My application deals with mobile objects with variable position and range (think of radar range). As I can't test each minute if n mobiles detect each other (...
4
votes
2answers
2k views

How to create an animated map?

I am seeking to create an animated map illustrating the simultaneous movement of different objects across a large area over time. The display should be capable of playing automatically, or by ...
1
vote
0answers
39 views

Weekly raster data for temperature and precipitation in US

I am looking for weekly raster data for US for temperature and precipitation. All the major datasets PRISM, WorldClim etc. are either on a monthly scale or daily scale. I was wondering if anyone has ...
1
vote
1answer
520 views

How to filter date values using OGR 1.11.0?

With OGR 1.10.1 this works: ogrinfo test2.shp -sql 'SELECT COUNT(*) FROM test2 WHERE DATE < "1970-01-01"' Note that DATE is a column of type date (not string). (Here's test data if you want to ...
3
votes
2answers
92 views

Prediction Population

I want to build a continuous data set with the population for 1970, 1981, 1991, 2001, 2011. I already have the population values for the same polygon, at sub-sections level (the lowest), for 1991, ...
3
votes
1answer
253 views

How to calculate “stop points” from a set of GPS tracklogs?

I have a set of GPS tracks pertaining to a cycling event that happened in the same day. I don't have much geographical information about the event itself, except for the tracklogs I downloaded from a ...
1
vote
1answer
170 views

NetCDF file size calculation

I'm planning to use the NetCDF file format for storing my time-series observation data on a server. I would like to use the "NetCDF-CF" conventions. Before I start writing any scripts for importing ...
2
votes
1answer
336 views

I need some more information on ASTER for time series analysis

See my previous post on ASTER I have a question about that I am not sure about. So, if I wanted to analyze 10 years or so, do I need to download each ASTER file for each year (e.g. 2003 ASTER, 2004 ...
1
vote
0answers
387 views

QGIS Points to Path Plugin Date/time error [closed]

I would like to use the Points to Paths plugin to plot the tracks of collared animals, exactly as specified on this page http://spatialgalaxy.net/2011/12/30/qgis-plugin-of-the-week-points-to-paths/ ...
1
vote
0answers
73 views

Indexing GIS data associated with user with timestamp

I have data for each user in this format user1:(timestamp,lattitude,longitude) user1:(timestamp1,lattitude1,longitude1)..... Here the 1 at the end of timestamp/lat/long is to specify a different ...
1
vote
1answer
805 views

How to Publish a Time Aware Mosaic dataset as an ImageService with Temporal component?

I have a Time Aware Mosaic dataset , which contains 5 rasters. I have entered the dates for the given rasters, by adding a Text Field with the dates. (The dates of the images are from 3/1/2013 to 3/5/...
8
votes
3answers
1k views

Temporal Analysis Tool: Seeking

I am looking for an alternative tool (proprietary or FOSS) that matches the functionality of Temporal Analyst for ArcGIS by DHI Software. The best I could get was the QGIS plugin Time Manager ...
8
votes
1answer
414 views

(How) do the modifiable areal unit problem and modifiable temporal unit problem interact?

I am reconstructing historical time series of land use and other related data from a variety of sources with different spatial and temporal resolutions and would be interested in what possible (hidden)...
1
vote
1answer
291 views

Does a graphic or graphicsLayer support time-awareness?

In the ArcGIS Server JavaScript API 2.6 I'm looking to implement map graphics. I can't see whether they support time-awareness. The help entry for graphicsLayer doesn't mention timeInfo, which is ...
7
votes
2answers
2k views

How to animate raster time series using open-source GIS?

I have a bunch of rasters taken about 10 minutes apart, and I have a nice QGIS project that produces pretty enough maps of them. I'm wondering if there's a way to animate this raster series, with a ...
1
vote
0answers
242 views

Time Slider and data driven pages

I have parcel polygon data from 1900 to 2000. Using the Time Slider tool I can animate the parcel map. I would like to parcel attribute information like grantor name as the map is populated over time....
2
votes
1answer
516 views

Temporal coverages dynamically reloaded from data store in GeoServer

I'm pretty new to GeoServer. I would like to serve results of a simulation that concerns geospatial data as a Web Coverage Service (it has to be OGC compliant). The individual steps of the simulation (...
2
votes
1answer
2k views

Time Slider in ArcMap 10 and Time Format Issues

I have an .xls file that contains Lat/Longs as well as a time stamp in this format: hh:mm:ss AM/PM When I create a feature class shapefile out of this .xls file, ArcMap reads it in and displays it ...
11
votes
2answers
302 views

Which weather on my road? Looking for a spatial weather forecast web service

My friend Bob goes from A to B leaving tomorrow morning at 6:00. There are many direction services that indicates him short, fast and/or cheap routes. Bob does not like to drive under the rain and ...
10
votes
2answers
1k views

How to design a Spatial Database for temporal Data?

I am working on a Weather based GIS App. I have the data from several weather stations, and this data will updated daily (by a web service). The obstacles I am facing are: There are currently 40 ...
16
votes
4answers
695 views

How to handle TIME in GIS?

Is there any way or any idea on how to handle Time attribute in GIS? For example, which are the ways to specify that an object is at a place at a given time interval and them it is in another place ...