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

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2
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1answer
12 views

Delaying with timezones and utcOffset?

Im working with an application dealing with timezones and I hope someone here might be able to answer this timezone-related question. Let us say that I am currently located in Norway. The UTC-time ...
0
votes
0answers
20 views

Union or Times for overlaying two maps?

I have created two different raster maps by Kernel density, one for street connectivity density and one for residential units density. I classified each of them in 5 classes with high density, high-...
2
votes
2answers
212 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
23 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
votes
0answers
27 views

ArcGIS Desktop 10.3: Time-variable minimum distance?

I'm currently running ArcGIS Desktop 10.3 and would like to build a new tool to determine the minimum distance between two point feature sets. The complexity comes from the fact that both datasets are ...
3
votes
0answers
140 views

ArcGIS Solar Radiation Tool - How is Local Solar Time/Local Time handled as input to the “within-day” time configuration?

I am scripting hourly interval runs of the Area Solar Radiation Tool, and need a hand understanding how to account for Local Solar Time (LST) versus Local Time (LT) within the tool. First off, I ...
1
vote
1answer
211 views

How to set time field when generating a GPX track with Python OGR?

I want to generate a GPX file with Python OGR. In particular I want to generate a tracks (layer of features of OGR type wkbMultiLineString) My script is below. I get the error ERROR 1: No such field: ...
1
vote
1answer
79 views

Converting 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 ...
0
votes
1answer
30 views

How to determine when the map has finished rendering

I have written a few functions to compare QGIS performance to MapInfo. Most of them involve doing some analysis then dumping the results on the map, as such the process would be considered 'finished' ...
2
votes
2answers
2k 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 ...
1
vote
1answer
22 views

How to display dynamic text together with date during timelapse?

I'm using time enabled data showing how environmental risks of gas development increases over three scenarios (reference, exploration only, small-scale development, large-scale development) in four ...
1
vote
1answer
18 views

How to fix a time error when exporting data

I frequently have to export data from a layer in ArcGIS online (that is created from Arc Collector offsite) to excel via CSV format. One of the fields is the CreationDate field that is automatically ...
0
votes
2answers
54 views

Modifying Time attribute using ModelBuilder?

I need to remove the DD-MM-YY from the "Time" attribute and only keep the HH:MM:SS using the modelbuilder. The model is displayed below and I use ArcMap 10.2. I have tried the "Calculate Field" and ...
0
votes
0answers
19 views

Time formatted cells turning values into zeros

After setting time format in one of the attribute table fields and filling in all cells, then saving, closing the table and reopening again, everything seemed OK. At a later moment all time values ...
0
votes
1answer
232 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 ...
2
votes
1answer
11 views

ArcGIS Online: Time-Aware App only takes time-related input?

I've been trying to use a dataset for the Time-Aware app on AGOL, but instead of using the year of a data point's collection, I'm trying to use the sequential order number (integer 1-10) of each layer....
0
votes
0answers
8 views

How to add current time in Qgis print composer? [duplicate]

Is there a way in the Print Composer of QGIS to create a label that will automatically update the time (current systems time) instead of having a label that you have to manually have to update?
0
votes
0answers
15 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
15 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?
0
votes
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
votes
8answers
9k 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
votes
1answer
395 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
vote
1answer
249 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
votes
1answer
376 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
92 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: ...
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
votes
0answers
232 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
191 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
23 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
194 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
30 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
32 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
60 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
126 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
47 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
votes
0answers
37 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
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?
0
votes
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....
1
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
60 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
84 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
158 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
votes
0answers
13 views

TimeDimension in R, leaflet [duplicate]

it's possible to do this this with R,leaflet ? any suggestion please?
2
votes
1answer
705 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
21 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
20 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
171 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
27 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 ...