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

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0
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33 views

How to get time-zones from latitude and longitude in raster?

I have a raster with longitudes and latitudes for the US with meteorological data (for about 100k grid points). I would like to get the time zone for each point in order to transform the time to local ...
4
votes
1answer
636 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 ...
0
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1answer
34 views

Arcpy - Updating fields using time.localtime()

My objective is to change the values under field "DATE_IMPOR" which are currently set at to the current time using time.localtime function. I'm having some problems getting there, above all one line ...
2
votes
1answer
153 views

How to create a time slider using arcgis javascript that only shows a year at a time?

I am looking at this example on how to create a time slider using the arcgis javascript api. Instead of showing the data cumulative from the start date. I want to just show the data for that ...
3
votes
0answers
28 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 ...
2
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0answers
24 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
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0answers
19 views

Verifying time-invariance for spatial gradients of air pollution?

I have data from a network of NO2 passive samplers. Measurement are repeated in the same positions in different years. I need to verify if spatial gradients in air pollution remain constant in time, ...
-1
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0answers
49 views

What GIS tools can calculate stream/flow path travel time?

Does anyone use GIS tools to analyze travel time along an identified stream or channel network? If so, which ones do you use? Assume that the network links or flowlines have velocity and distance ...
9
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1answer
289 views

Measuring distances between simultaneous points

I am working with GPS data and so I have UTM's with DATE/Time information. I have 2 groups of species (moose and wolves). I want to join the information from moose to wolves that match in time. So, ...
0
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0answers
18 views

Creating a time series from multiple rasters in ArcGIS

I have 10 rasters (10 yearly averages of data) that I've uploaded into GIS. I would like to do two things: Create a time-series of the values of that raster at one specific point within it. Create a ...
1
vote
0answers
21 views

Adding time enabled feature to layer running newest to oldest

I am seeking information about the Time Enabled feature of my map created in ArcGIS 10.1, Basic (ArcView). Specifically, I am wondering if the layer can be made to run from newest to oldest. I ...
25
votes
3answers
2k views

How to represent trend over time?

I have a time series of rasters where the cells of each raster represents some value at a certain time. I'd like to generate a map that highlights the magnitude of positive or negative trends in this ...
1
vote
0answers
39 views

How to to get time slice in raster dataset using ArcGIS?

I have a couple of rasters made in different time. Some of the rasters are overlapping and some of them - not. I need fast and efficient way to get time sliced values for each pixel. For example: ...
1
vote
1answer
48 views

OpenLayers measure map rendering time

I am using OpenLayers version 3 (answers with ver 2 are also OK) and want to measure how long it takes to render the vector layer. So, I have a vector layer with features: var vectorLayer = new ...
1
vote
1answer
48 views

How can I use ArcGIS Online to calculate walking times from points?

never did anything like this before I am currently planning an accessibility analysis for the recycling infrastructure in my city (waste collecting points) and I want to determine the walking time ...
1
vote
0answers
58 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: ...
12
votes
6answers
5k 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 ...
1
vote
2answers
34 views

Select feature based on both its own attributes and another feature's attributes

I have two points within a polygon, each representing a specific event with a date (listed as 120101 and 120719). The polygon itself represent an event for an extended time period (start: 120626 and ...
0
votes
1answer
36 views

Shapefiles do not store times so how do I create time intervals for use in Torque?

I created a bunch of time intervals in a file geodatabase with the intention of using them in Torque to create an animation based on those time intervals. However I can't upload a .gdb to my ...
1
vote
1answer
110 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 ...
10
votes
2answers
2k views

Interpolation for timeseries in ArcGIS Desktop?

I'm trying to calculate average rainfall value from a number of points using Inverse Weighted Distance tool in ArcGIS 9.3. My problem is that: each point has it own time series, therefore the ...
2
votes
1answer
402 views

NDVI time series in R — how do I create a time series object from a data frame?

I am doing a time series analysis of NDVI using the bfast package in R. Bfast requires a time series (TS) object. I have successfully created a data frame with the NDVI at various point locations ...
0
votes
0answers
32 views

Prevent rendering of a layer until time definition is applied

I want to add layers to a map, with some criteria. Before the layer is drawn, I want to a set a time definition on the client-side to limit the data being rendered. I've tried setting the time ...
0
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0answers
33 views

arcmap display full date

I am working with arcmap software. I have a points layer that was created from a gps device. this layer contains a few tracks from the same day (e.g driving to work in the morning, returning home, ...
3
votes
0answers
69 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 ...
5
votes
2answers
203 views

Show change in size over time

I'm a linguist, not a geographer, and a first-time poster here. I have some data about the use of a particular phrase in England between the years of 1225 and 1500. I have geolocations for the places ...
0
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0answers
70 views

ArcGIS Online is time/date stamping edits with GMT time, and not CST time. Is there a way to fix this?

We are currently using ArcGIS Online with ArcMap 10.0 . When someone edits a field in the Online Map it will time/date stamp the last edited attribute fields with the current date and time, currently ...
1
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1answer
28 views

Different timevalues in tool make service area ModelBuilder

In ModelBuilder i want to make a lot of service area layers. The input data would be the same but the day of time would change every time. So from 6:00:00 untill 22:00:00 i created already a table ...
2
votes
0answers
68 views

Modelbuilder - make service area layer

I made a model in the model builder (ArcGis) to make a service area layer (see figure). Now I want to run this tool for the same locations but for different hours. -> the results would be a feature ...
4
votes
2answers
444 views

Binding between QGIS custom form (Qt Designer) and date/time field in a SpatiaLite database table

For my attribute table I created a custom form in Qt Designer. The table has a date field and a time field. In Qt Designer there are widgets for entering date and time. But what data type is expected ...
1
vote
0answers
26 views

How do you restrict road access by time in ArcGIS Network Analyst? [duplicate]

I was wondering if there's a way to restrict road access based on time of day (i.e., create a time restricted road). I'm familiar with restricting roads based on vehicle weight/height, but time ...
3
votes
2answers
655 views

Enabling time aware layers using arcpy

Is it possible to enable time aware on a layer programmatically? I can add a time-enabled layer to a non-time aware data frame as shown here: ...
0
votes
1answer
96 views

Analyzing stacked time series NDVI images in ENVI

I just started playing around with stacking NDVI images from different years into one RGB value and am unsure how to read the photos or analyze them. The image on the left had R 2011 G 2011 and B ...
1
vote
1answer
168 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 ...
1
vote
1answer
25 views

wms with time dimension

I set up a layer with "time" dimension in Geoserver, but I'm having quite a hard time figuring out how to use it... It is a vector layer with some polygons in it. This is my layer configuration for ...
0
votes
2answers
30 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 ...
2
votes
1answer
74 views

Determining date or time Feature Class was created in File Geodatabase?

I had a script running at the office over the last 5 days and tried to remote on unsuccessfully since the 3rd day. I got here and it appears there was a power outage. Is there a way to find out the ...
0
votes
1answer
51 views

How to save time without date in shapefile's DATE filed using ArcGIS 10.2?

I am trying to save a time in a shapefile's DATE field (without a date, because shapefile can only store something one simultaneously - date or time). I use field calculator with PYTHON parser. I am ...
1
vote
1answer
38 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 ...
2
votes
1answer
55 views

Animate Data By Year Only

I'm trying to animate the opening and closing of particular businesses using yearly travel guides. I've created a data base that contains all the addresses and all of the years they appear so for ...
9
votes
3answers
2k views

Speeding up Python calculated timestamp field in ArcGIS Desktop?

I am new to Python and have started to create scripts for ArcGIS workflows. I am wondering how I can speed up my code to generate an "Hours" double numeric field from a timestamp field. I start with ...
0
votes
0answers
120 views

Fitting Time-series Values with a Gaussian Function

I'm trying to fit a stack of NDVI values to a Gaussian model to allow for determining dates of certain NDVI values using Python and NumPy/SciPy. I've attempted to do this with ...
1
vote
1answer
41 views

Inserting Timeline (similar to Legend) on map using ArcGIS for Desktop?

is there any way to insert a timeline in ArcGIS 10.1? I mean timeline more as a kind of legend showing at which time (or after how many minutes) point features occured (not animated or dynamic!). I ...
2
votes
0answers
53 views

ArcMap - Adding Multiple raster datasets to mosaic dataset (for temporal change)

I have a number of raster datasets containing lake water temperature data. I am looking to make these time enabled as to be able to scroll through them. I have converted them to .TIFF format and have ...
3
votes
1answer
61 views

How to automate exporting map for many fields in the same layer?

I need to make a few ~75 frame time-lapse animations where each frame is a map of site status in a given week. Each week's statuses are a different field in a single shapefile. I export a frame of ...
1
vote
1answer
115 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
1answer
53 views

ArcGIS 10.2.1 working with time and reporting when feature geometry has changed

I'm working, with ArcGIS 10.2, ona whole lot of petroleum licencing data that chops and changes, in active areas, on a relatively frequent period. i collect the geometry data month by month (saving ...
1
vote
0answers
35 views

Where to find spatial-temporal data? [closed]

I am an italian student, and I'm looking for a particular dataset. I'm interested in a model for spatial regression, with time-varying data. I'm looking for data with coordinates, measured in ...
6
votes
4answers
381 views

Open source web map client with time sliders using WMS source

I have a web map service (WMS on geoserver). It has a current visualization which is decent. The data is divided into months currently using tabs. I would like to visualize the data using an open ...
1
vote
1answer
36 views

Locating Moon in Sky from Earth

I am working on project which need to find moon location from a specified lat, long on earth. So basically info I am having is Lat,Long and Timezone. Format of the moon location Info? So first in ...