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

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13 views

Time Aware Master Mosaic - error in time slider

I have a set of about 30 Mosaic Datasets each containing a year's worth of monthly rasters. These are time-aware, using an added column "TimeStamp" of type 'Text' and format YYYY/MM. Each of these ...
6
votes
2answers
157 views

How to speed up this script in QGIS?

I am a new in PyQGIS, I want to create a Point layer from a raster layer. In table of point layer created, there is 3 fields by name of "X_coord", "Y_coord" and "Azimuth", each point in Point layer ...
2
votes
1answer
41 views

What methodology is used to quantify global warming?

This article in the LA Times says: The first detailed global temperature measurements were recorded in 1880. Since then, nine of the 10 warmest years on record have occurred since 2002, ...
2
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1answer
34 views

Adding time value into network model of ArcGIS Network Analyst?

I am trying to set up a network model in ArcGis 10.3.1 so that I can find a route which will also give the time in minutes. The tutorial guide says this is set up in the attributes of the network ...
0
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1answer
13 views

wcs Time Dimension Always Returning Last Available Date

I currently have a geoserver instance with a working wms time dimension layer. I am able to ask for the raster geotiff for a specific day (2016-1-14) with the following request and geoserver responds ...
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0answers
13 views

Single Time Slider for Multiple Data Frames--ArcMap Desktop 10.3 [duplicate]

This question has been asked before, but never really answered: Is it possible to have a single time slider control that animates over multiple data frames? Reason being, I have one main map and 4 ...
4
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1answer
32 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 ...
1
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0answers
15 views

Filter GPS tracks to determine “Moving Time”

I am working with GPS tracks of outdoor activities, think cycling, running, hiking. These activities often have "rest periods" where people take a break, wait at traffic lights, or just stopped their ...
2
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0answers
21 views

Why time differs between gps and ntp exactly 90 seconds

EDIT: This question can be closed due to figured out the problem was in the NTP configuration. While the gps device is no gps data received, gps device is send gps time to server as zeros ...
0
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0answers
12 views

Convert Time Zone Tool returns <null> values

I am using ArcGIS desktop 10.2.2 and I am trying to use the convert time zone tool to convert times (field is a date field in a geodatabase) from UTC to PST and it is returning null values. I have ...
0
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0answers
27 views

Setting the time step interval in ArcGIS Online

I'm trying to publish a time aware layer with a time span of about 5 years to ArcGIS Portal, and it works, but instead of using the time step interval I have set in ArcGIS Desktop (1 week), it seems ...
6
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3answers
144 views

Can ArcGIS for Desktop auto populate Date Field with current date/time when feature is created?

I am using Arc Desktop 10.3.1 in a versioned environment. In the geodatabase for the service requests there is a field called Date Notified. I would like this field to be auto-populated with the ...
1
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0answers
21 views

Showing polygon in OpenLayers Timeline?

I am trying to use the OpenLayers TimeLine library with a kml file. I used the available example for kml in github, but it shows points instead of polygon. How can I display polygon the TimeLine ...
0
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0answers
13 views

Dissolving and labeling time enabled data using ArcGIS Online?

I have 12 feature classes with time-enabled data (~4000 polygons each), where each polygon corresponds to an administrative unit between certain years. So a polygon can appear several times or only ...
1
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0answers
57 views

Analyzing date and time in ArcGIS for Desktop? [closed]

I am have a Date/time field (MM/DD/YYYY hh:mm:ss format) in ArcMap 10.2.2 that I want to filter through and show the specific hour periods for accidents. The end result needs to help to show the ...
1
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1answer
38 views

Mapping Sales Data With ArcMap's Timeslider?

I have some made-up data describing "Brenner" (a made-up brand) beer sales per bar, restaurant, supermarket (i.e. "Account"). The volume of beer is measured in cases. And, the time range is 4 weeks. ...
3
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2answers
79 views

Download historical OpenStreetMap data

Where can I download historical data from OpenStreetMap? I am interested in downloading an OSM .pbf file of a particular city in previous years (say, from 2008 and 2010).
1
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0answers
47 views

How to create 10 day averages of a multiyear daily raster time series?

I have a set of daily modis LST rasters (.tif) over a roughly 13 year period (2002-2015). I would like to group them by 10 day periods, i.e. bin 1 = julian day(jd) 0-9, bin 2 = jd 10-19, etc so that ...
0
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0answers
28 views

Temporal Heat Map using Leaflet and ESRI

I am trying to create a temporal heat map using this template: https://esri.github.io/esri-leaflet/examples/visualizing-time-with-feature-layer.html I would like to show the symbology based on a ...
1
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1answer
46 views

Graphhopper Map-Matching looses time attribute

I try to use the Graphhopper Map-Matching. My GPX source file looks something like: <?xml version="1.0" encoding="UTF-8"?> <gpx version="1.0" creator="GPSBabel - http://www.gpsbabel.org" ...
9
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0answers
152 views

Identifying overlapping time intervals with two more criteria in R?

I have to check birds observations made over a longer period for duplicate/overlapping entries. Observers from different points (A,B,C) made observations and marked them on paper maps. Those lines ...
1
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0answers
70 views

Converting UNIX time to datetime in R [closed]

I am trying to convert a 13 character UNIX timestamp to datetime and I am getting a year that is in the 44000's. I'm not sure what I am doing wrong, hopefully someone can help. library(maptools) GMT ...
2
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0answers
25 views

Unable to permanently turn off time stamp display in QGIS Time Manager

Using QGIS 2.10.1 Time Manager, I wish to permanently turn off the time stamp display for one particular project. In Time Manager Plugin > Settings I uncheck "Display frame start time on map". The ...
0
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0answers
19 views

Time Difference of Arrival

I am trying to implement indoor positioning system in Matlab. Does any one know any simple method to find the time difference of arrival.I have 6 references and one target.Need to find the time ...
0
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0answers
39 views

Representing Geoserver's WMS-T as time-aware KML for GoogleEarth frontend

I'm using Geoserver to publish* sets of hourly raster imagery and fought for a while to get a working example of Time Aware KML accessing my Geoserver to enable GoogleEarth as a frontend. A snippet ...
1
vote
2answers
262 views

How can I represent Time in GeoJSON?

I'm modelling a bus route as a series of waypoints. Most of these waypoints have just a latitude and a longitude and represent points along a road. However, when the bus gets to a bus stop, the ...
2
votes
2answers
62 views

ArcGIS temporal relationship between two feature layers

how can I built a temporal relation between two feature layers. My first layer has a observation time period and my second feature has the actual observation. I would like to build the relation ...
0
votes
0answers
33 views

Specifying time and distance attributes in ArcGIS Network Analyst?

My network is taking too long to complete a route. I continually get a completion time of about a month when in reality it should take about 6-8 hours to complete. I downlaoded a tiger/line shapefile ...
0
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1answer
82 views

Create an Identify Route Locations tool that converts M values

I have a data set with many maritime routes that I would like to see the m values (time) for. ArcGIS's Identify Route Locations tool works exactly as I want it to, however, the m value displayed is ...
0
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0answers
100 views

How do I calculate the travel time between patients and hospital by helicopter and make a map out of it?

I have a layer(.shp) with hospital location and a layer(also .shp) with pick up positions of patients by helicopter. The table with the position of patients has two columns, one with departure time of ...
0
votes
1answer
94 views

Calculate driving distance and time from 2 lat/lon points

I'm researching a way to calculate driving time and distance for 2 latitude and longitude points? I'm unable to use any 3rd party controls or maps. If possible it has to all be generated locally to ...
1
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2answers
40 views

Convert time field omitting time and returning null values

I have a time field in my shapefile that is formatted as HH:mm:ss.s It is a text field, and I want to convert it to a date so I can calculate time elapsed across rows (if there's a better way to do ...
1
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0answers
56 views

Garmin GPX file, what units are the time values in?

I have a GPX file from a Garmin GPSMap 62s. The GPX file has a time column but the values are in the following format: 42079.98593 This point was collected at around 14:20 on 7/8/2015. I need to ...
5
votes
2answers
212 views

How to calculate with time values in QGIS?

I have two string fields in a vector layer, "From" and "To", with values in the format of 10:16:30 and 10:18:00 e.g. I would like to calculate the difference in minutes as a decimal value, in this ...
0
votes
0answers
38 views

Showing/displaying relationship between Earthquakes and Fracking operations?

I am presently analysing the relationship between hydraulic fracture operations and possible associated induced seismicity. I have both the earthquake data (as a shapefile with lat, long, magnitude ...
1
vote
1answer
52 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 ...
0
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0answers
51 views

Date/Time stamp from ArcGIS Online is in GMT and not CST , is there a resolution for this in ArcGIS Desktop 10.3?

We are currently using ArcGIS Desktop 10.3 and ArcGIS Online. We have tables being fed from the same feature class and when someone edits a point's attributes in ArcGIS Online the last edit date/time ...
0
votes
1answer
59 views

Incorrect time displaying in ArcGIS Javascipt popup template

I'm creating a web map that is updated a few times a day showing voltage readings from meters on our distribution network. This layer has a field called ReadTime, and the data type is Date. The date ...
0
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0answers
24 views

WCS request problem in time parameter

I am working with THREDDS server and I want to create a GetCoverage request of WCS. my aim is to take a subset of the time from my data. I can take the subset of the BBOX but can not take in time. my ...
1
vote
2answers
99 views

Is there any shapefile (or other format) of Russia's time zones after 2014 changes?

According to for example Wikipedia, Russia changed its time zone boundaries in 2014, moving areas between existing zones and defining new ones for the Crimea area. Is there any shapefile or other ...
-1
votes
1answer
130 views

How to create ASCII time-series files to make TSM_GUI in TIMESAT? [duplicate]

I would like to create TSM_GUI in TIMESAT, but as an input i have to choose ASCII time-series files, but I have only .tif images. How can i do that? Many thanks
0
votes
1answer
64 views

Convert DOY to mm-dd format [closed]

I have a problem with my date format. how can I convert day of year values to mm-dd format? For instance if my doy have a value of 161 this will be converted to 06-10 (June 10 for instance). And this ...
2
votes
1answer
43 views

Looking for API providing accurate timezone data

I'm looking for an API providing accurate timezone data. Thus far managed to find earthtools api but daylight saving time info isn't very accurate. I need to lookup by latitude/longitude or as an ...
0
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0answers
15 views

Timemapper and time of day

Timemapper provides an online tool to integrate data in a google sheet with a map. With a date attribute in the google sheets this provides a user friendly access to establishing time maps with ...
1
vote
1answer
141 views

Database Editor Tracking Time Stamp Issue

I have Esri Tech Support looking into this but I thought I would post it here too. I have a File Geodatabase with Editor Tracking Enabled. The date is fine but the time stamp for creation and edits ...
1
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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 ...
1
vote
1answer
50 views

Alternatives to GeoRSS for time-sensitive point data

I'm looking for a suitable data format for various organisations to publish point data with a recent time component, like events, road closures, etc. GeoRSS is the obvious candidate but: It's XML, ...
1
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0answers
50 views

Time enabled service has different time extent in ArcGIS Online?

I have a time enabled layer that I have published to ArcGIS for Server 10.3 There are times ranging from 5am to 10am (all on one day). This flows through to the ArcGIS Server service as expected: ...
1
vote
1answer
69 views

ExportToPNG with definition query for unique values?

I have a MXD with a layer that has a field that has many values. I need to export multiple layouts to PNG, applying a definition query to show the unique values for that layer. i.e. Just show the ...
0
votes
1answer
62 views

Using field Calculator for time in ArcGIS 10.2

I have a new field in a shapefile with the property "Date". I want to fill it with "9:00:00 AM". I tried several ways of using field calculator, but it gives date instead of time. How could I do ...