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3
votes
2answers
45 views

How to run a temporal query on a CSW using GeoNetwork?

On my GeoNetwork 2.10.3 a CSW GetRecords request (CQL) for TempExtent_begin after a certain date returns all of my metadata records. It seems like the filter expression is simply ignored. ...
3
votes
0answers
46 views

How to detect temporal changes using ArcGIS?

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 ...
1
vote
0answers
52 views

QGIS 2.2 - 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 ...
0
votes
1answer
110 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.
0
votes
0answers
65 views

Raster Catalog or Mosaic Dataset for Time Series dataset?

I am trying to determine which one is the best practice to build a time series. I have 2004 to 2013 NDVI clipped that I have assembled in Raster Catalog and Mosaic Dataset. Currently, I am using ...
3
votes
1answer
46 views

How to store the CHANGES to a map database

I'm looking into providing a map amendment service for a particular map series. The service will help map owners look into the changes made to the operational features of the map, after the map was ...
2
votes
1answer
40 views

Question on how many ASTER per year ? per month?

How many scenes are there for ASTER per year ? From what I understand is that the temporal is every 16 days. So, some month it will have 2 and some months it will have one. Thanks.
2
votes
1answer
126 views

Temporal GRASS GIS framework

I am trying to follow the tutorial posted here. When I get to this part "Extraction of seasonal mean temperature" and run this code: t.rast.extract \ input=temperature_mean_1950_2011_seasonal \ ...
1
vote
0answers
242 views

How to update polygon field with point count for multiple rows? (Temporal point-in-polygon)

I have a shapefile with several regions. It contains basic info like ID, Code, Name1, Name2, etc. It is overlaid with a shapefile of points (nearly 200k). Each point represents an event with a type ...
10
votes
2answers
438 views

How to identify and simplify point clusters with regard to time in PostGIS?

I just started to work with spatial databases and I want to write a SQL(PostGIS) query for automatic generalizing of raw GPS-tracks (with fixed tracking frequency). The first thing I am wokring on is ...
3
votes
0answers
205 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 ...
1
vote
0answers
95 views

Looking to combine temporal data from multiple shapefiles to produce a days per year file for each feature

I have many shapefiles in which there is a start date and an end-date per feature. I am hoping to produce a single shapefile that has each enclosed area with a "days per year" kind of calculation. ...
3
votes
2answers
593 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: ...
30
votes
9answers
3k views

What is the best practice for visualisation of a 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?