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

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10 views

Data Reviewer Regular Expression for HHMM time format

I am using Data Reviewer to check to see if a string field is in the time format HHMM using the regular expression check. I think I have the correct logic with this: ^([0[0-9]|1[0-9]|2[0-4])[0-5][0-9]...
1
vote
1answer
14 views

How do you write classify that you are using a time varaible in R?

I am using R. I am including time as a co-variate in my model. 10:30, 11:56, 12:00 etc Is there a way to tell R that my values are time measurements?
2
votes
2answers
206 views

spectral profile for multilayer/time series

I am missing a spectral profile in QGIS which enables me to see the values for all bands of a given pixel. (absolutely necessary for multispectral and multitemporal/time series work) It seems, there ...
1
vote
1answer
13 views

Creating a Time Aware Population Layer with Point Features

I am interested in using ArcGIS Pro's time aware capabilities to create a time aware map of the populated places for the state of Wyoming from the 1870 Census to the 2010 Census. In the end, I would ...
0
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1answer
39 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 ...
14
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8answers
8k views

Which tools and methods can be used to create isochrones?

I'd like to get an idea for what's involved in creating isochrones for a series of sites, with a reasonable degree of accuracy to the estimates. A general outline would be great, though my scenario ...
10
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1answer
345 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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1answer
239 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 ...
11
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1answer
366 views

Determining age of undated world map? [closed]

Often I look at a map and wonder when it was created. How do I figure out the age of an undated world map? If I have a vector file of world political boundaries, but I am not sure of the date, then ...
2
votes
1answer
85 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: ...
0
votes
1answer
204 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 ...
6
votes
3answers
1k views

Is there a free source of U.S. time zone borders?

I have a mapping app in which I need to display the borders between U.S. time zones. The easiest and most accurate way would be to feed in a list of lat/long coordinates representing the vertices of ...
3
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0answers
220 views

Space time analysis. Finding spatial patterns (cluster&disperse) over time in point data sets

I am trying to describe/find statistically spatial patterns in a point data set of industrial sites. The points feature apart from their location, a date for their opening, a date for their closure ...
1
vote
1answer
189 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 ...
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,...
2
votes
1answer
187 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 ...
1
vote
0answers
27 views

How to pass time dimension to postgis DB layer WHERE clause in Geoserver?

I have successfully configured a layer with time dimension that is backed by an SQL query to a PostGIS DB. I can query it through WMS, but I just can't find a way to pass the start and end time to the ...
1
vote
1answer
28 views

Geoserver WMS Time Support - Absolute Interval

as the title suggests, I am currently working with a wms provided by geoserver 2.8.x, with the focus being put on a time-attribute. The official documentation is really lacking details on how to ...
1
vote
0answers
19 views

Is it possible to embed a time-aware ArcGIS Online map so its slider begins at a specific time?

I am trying to combine a time-aware map made with ArcGIS Online with the "Story Journal" template. I want my story journal to highlight specific points in time in specific places on my story map. ...
3
votes
1answer
59 views

How can I work with time in QGIS

I would like to make a map displaying how several building uses have changed during the last decades. For example, this building was built in the year 1483 as a monastery, in 1880 it turned into a ...
0
votes
3answers
121 views

ArcPy Script Tool takes 30min - Ideas to accelerate the (raster) process

I developed an arcpy script tool that takes as input multiple rasters, a criterion to select specific cells from the raster which are then intersected with a point shapefile. At the end a value is ...
0
votes
1answer
44 views

ArcGIS Time Series Plot

I have a point dataset wih 911 calls for one year, including a column with the date (day) when the call was made. I would like to create a graphic that shows in which month how many calls were made, ...
8
votes
1answer
2k views

Incorrect date displayed with Esri JavaScript API v.2.6

I am working on a site that is using version 2.6 of the Esri Javascript API. I have an info window that displays some date information, and the date is one day behind the date in the database. For ...
0
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0answers
33 views

Find Maximum value per month in rasterstack/brick and corresponding timestamp R

When dealing with raster images, I found the raster and rts packages in R to be very flexible for analysing my raster data unlike ArcGIS. In my learning efforts, I have had to do some stacking/...
33
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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?
0
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0answers
12 views

Update XYZ Source for Looping

I'm attempting to update a layer's source to create a looping effect. I've specified a custom tileUrlFunction so that the time delineation is passed in the url appropriately: source: new ol....
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vote
2answers
3k 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 ...
0
votes
1answer
50 views

How to add date and time to a geotiff to enable time dimension in geoserver?

I have a collection of geotiff files, each one corresponding to a date YYYYMMDD. How can I had the information date to those geotiff, so that geoserver allows the enabling the "Time" dimension for ...
0
votes
0answers
62 views

How to calculate multiple travel times using gmapsdistance?

I am trying to use gmapsdistance on R to calculate multiple transit times from Google Maps. I have a Google API key and can generate transit travel times for one origin and one destination with the ...
3
votes
2answers
145 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).
0
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0answers
12 views

TimeDimension in R, leaflet [duplicate]

it's possible to do this this with R,leaflet ? any suggestion please?
2
votes
1answer
702 views

Adding frequency (count) of a point shapefile on an animated map?

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 indicating the time period on ...
0
votes
1answer
20 views

CartoDB Timestamp Multiple DATA

Is it possible in CartoDB to have multiple data points for the same timestamp so that when I do things like Torque or other viz it shows up with all the data at that time point? In other words the ...
2
votes
0answers
19 views

Large amount of time publishing to ArcGIS Online?

Publishing <5Mb tile packages to ArcGIS Online is taking more than 20 minutes. ESRI tech support has consistently given extremely vague answers that never solve and always reference server load. &...
6
votes
2answers
167 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 ...
0
votes
0answers
24 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 ...
2
votes
1answer
62 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, ...
0
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1answer
45 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 ...
2
votes
1answer
79 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 ...
5
votes
1answer
998 views

How to Query Layer using ArcGIS REST Services for Records with Date Closed Field less than 24 hours ago?

I am current trying to do layer definitions on a map and so I am trying to filter some records via a time factor so i was writing in the Where field DATE_CLOSED_ON > (CURRENT_TIME - 24) and ...
5
votes
2answers
419 views

How to apply ArcGIS time slider on Multiple Data Frames at once?

Is there a way to use the Time Slider on multiple data frames simultaneously? Example: My Dataframe 1 shows precipitation values over an area and DataFrame 2 shows corresponding temperature.. I want ...
0
votes
0answers
14 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
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 ...
1
vote
0answers
23 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
votes
0answers
35 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
votes
2answers
1k 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 ...
7
votes
3answers
495 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 ...
2
votes
0answers
75 views

How to detect temporal changes using ArcGIS? [closed]

I want to show urban sprawl in a city over ten year period. I took a MOOC on geospatial revolution, therein a link was shared to do such analysis. I just want to show the urban sprawl, nothing ...
0
votes
0answers
17 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 ...
2
votes
2answers
72 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 ...