A nonspatial continuum in which events occur in apparently irreversible succession from the past through the present to the future

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108 views

storing date range in PostgreSQL/PostGIS for time parameter in WMS/WFS

Using GeoServer I want to deliver some objects/features with WFS and WMS. The objects and their attributes have a date range during which they are valid. Say, we have street lamps and each street lamp ...
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1answer
52 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 ...
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1answer
235 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 ...
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1answer
42 views

Start and End Dates for CartoDB Torque

I was wondering if there is a way to have CartoDB's torque read end dates for point files, the same way that ArcGIS desktop can. I am trying to plot the foundation of certain cities, and then remove ...
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1answer
81 views

Creating Time-series (Temporal) Map of NDVI?

Is there a best practice for a cartographer to create a Time-series or Temporal Map ? I have 83 of the NDVI in an imagine format and should I converted them to polygons and populated them and display ...
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1answer
154 views

How do I get an accurate time attribute when importing a GPX layer as a vector

When I import a GPX file in QGIS (as a vector as track points) and I check the time attribute it appears to be 4 hours later than it should be. Interestingly when I take this same GPX file and use ...
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1answer
330 views

Custom time slider

Is there someone who made a custom time slider? Or someone knows where I can find examples or scripts for this subject? I need a time slider that would work also for years that are B.C. (e.g. 850 BC) ...
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1answer
191 views

QGIS not reading colormap from hand-edited .qgs file

I have a set of rasters which store solar radiation incidence over the course of a year. In QGIS, I want to map the same extent, and with the same reference features, varying only the solar raster ...
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1answer
1k views

Adding time enabled layers to ArcGIS online

I am trying to add time enabled layers into ArcGIS online. The information in the ArcGIS resource center makes it sound like it is possible to add time enabled layers from ArcMap to ArcGIS online. I ...
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1answer
452 views

How can I add the frequency (count) of a point shape file on an animated map?

The problem is this: I have a crime (point) data on a map which is animated via time slider using a 1-week-period. I see all the points I added without a problem, I also added a dynamic text ...
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0answers
22 views

Time not configuring correctly?

I'm trying to match data in a textfile that contains time, value, and fips code to the cntyidfp part of a map of US counties. However, even though I am able to match the two sets of data together, ...
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1answer
37 views

Is there a Time Slider feature in MapInfo?

Is there an Time Slider Feature in MapInfo? The only conclusion I have found in my research is that you have to buy the MapInfo Profiler arm?
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33 views

How do you create a map that has choropleths that will change with a timeslider? [closed]

I have data for different countries over time that I would like to display in a choropleth map with a time slider that plays automatically on click. What is the best way to do this. Thanks.
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113 views

Open source space time series database management system

I am aware of the existence of space time DBMSs such as Druid, InfluxDB or OpenTSDB. Is there anything like it for spatially explicit data? A time series extension for a common spatial DBMS (say, ...
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1answer
113 views

Why do classic google maps and the modern google maps show different types of driving times?

As I am currently working on a project, where driving times are quit important, I've noticed that classic google maps and modern google maps show different types of car driving times. While the ...
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1answer
69 views

Does QGIS Server come with time dimension support (WMS, WCS)?

I wanted to know if QGIS Server allows publishing data with time dimension support, in the case of services such as WMS or WCS?. If this is possible, how can I enable this feature?. Thanks for your ...
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1answer
58 views

How to do spatial join which is also based on time using ArcGIS for Desktop?

I have a time series plot of house sales for 4 years, but in those 4 years some districts change. I was wondering if I need to split the data into 4 layers for each year in order to join them to their ...
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1answer
71 views

Landsat8 View Imagery Service in ArcMap Layer Time Issue

I'm attempting to work with one of the newer ArcGIS Online subscription imagery services called Landsat 8 Views which allows you to view Landsat data for the US across several dates in 2013. I can ...
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0answers
32 views

Time attribute problems with Network Analyst

My network dataset is in a geographic coordinate system, and when I project into UTM to calculate Miles for a length field to use with my Speed Limits to create a time attribute it does not seem to ...
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0answers
34 views

Handling loading time for WMSGetFeatureInfo [closed]

I've got this code for a WMSGetFeatureInfo on Hover event: info.events.register("getfeatureinfo", this, function (evt){ ('#rastervalue').val(...)... }); my request to Geoserver takes ...
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0answers
37 views

Are there any js libraries for reading OSH data?

I want to do time based mapping on openstreetmap data in the Kathmandu, Nepal area. I think i have two options Using OpenStreetMap Change files (OSC) Using OpenStreetmap History files (OSH) I have ...
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0answers
90 views

Summing time spent on effort from point GPS data tracks in grid cells

I have one layer of point data representing GPS tracks collected during vessel surveys (an individual survey is indicated as the time between departing and returning to shore and there can be more ...
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147 views

Plotting time-series data in ArcGIS

I'm attempting to produce interpolated plots of water quality time-series data from ArcSDE. This is the data format: OID WELL_ID WELL_NAME SAMPLE_ID SAMPLE_DAT PARAM RESULT ...
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291 views

GeoServer timestamp format

In my app, I use GeoServer to serve my features and OpenLayers as a client. My data contains dates info in this format: 'yyy-mm-dd hh-mm-ss' but when it comes from GeoServer, it appears like: ...
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2answers
421 views

Using NetCDF for point time-series observations?

I have a large growing dataset of water and climate observations for several years in regular hourly time-step. The number of locations is cca. 1000 locations with latitude, longitude coordinates. At ...
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1answer
63 views

Cartodb: How to make dates appear in Torque time slider

I am trying to use my date column as a time-slider in my cartodb map. But it doesn't appear or seem to be an option. What am I doing wrong? Here's my map: Map Here's my data: Thanks.
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1answer
140 views

Geodatabase add current date and time to attribute

Is it possible in Arcmap 10.0 to create a geodatabase feature class that has a date field which auto populates with the current date and time, every time a new feature is created? Is this possible ...
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1answer
69 views

Geoserver, WMS-T and time ranges

I got a case where WMS-T is desired, preferably using GeoServer. The input data contains two date fields with start and end date, which describes a timespan. However, in Geoserver it seems that one ...
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1answer
79 views

How long should it take to load a point layer with readOGR? [closed]

I am afraid I am quite new to spatial analysis at anything beyond a superficial level, and I have only recently transitioned to utilizing R. I have been quite pleased with the versatility of areal ...
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1answer
334 views

GeoServer + dynamic datapath layer

My app based on Mapserver contains dynamic layers and using PHPMapscript I modify MAPFILE->LAYER->DATA value based on a parameter that comes via GET. Or I could even use RegEXP in the LAYER->DATA ...
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1answer
186 views

PostGIS Implementation of Brabyn and Skelly Road Network Travel Time Model

Is there a PostGIS implementation of the Brabyn and Skelly road network travel time model for the New Zealand road network? This model is outlined in: Brabyn L, Skelly C. Modeling population access ...
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1answer
23 views

Maintaining times with points2one in QGIS?

I have a problem that might be trivial, but I really cannot find a solution! I have a csv files with several points (x,y). These points represent the position of different animals at different ...
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44 views

Label changing with time slider using arcGIS

I have a list of lat/long locations with a time associated with them. With those locations I did a spatial join to find the total amount of points in each polygon. I would want to do is gradually ...
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334 views

Is there a way to calculate driving time/driving duration with google maps api without considering the traffic situation?

I am currently using this VBA-Code, written by Jamie Bull, to calculate both, driving distance, as well as driving duration, between approx. 1.500 villages and a specific shopping center, using excel. ...
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30 views

Long Time for conversion raster file to vector in QGIS

I'm a new user of QGIS, and I'm tring to convert a .tif file in a vector. To do that I have used the "Raster conversion" option, but it's taking long time. I'm waiting for the conversion since 20 ...
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0answers
47 views

eTrex 10 UTC or GMT time zone

I have an eTrex 10. I'd like my GPS to remain in UTC (or GMT) time zone, but it does not offer this option as far as I can tell. I think "Western European" and "Ignore DST" is equivalent to GMT. Is ...
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38 views

Can you create a layer containing years of daily data, then extracting a specific area and time frame

So I have a tone of .nc files containing gridded rainfall and precipitation data in daily time steps. The data spans from 1980 to 2005 for all of Ireland. Now what I am hoping to be able to do is to ...