1 Go to TREmaps™ at tremaps5.tre-altamira.com
2 Enter your credentials
1 Project panel 2 TREmaps™ tools 3 Locate tool 4 Help 5 Logoff 6 Scale 7 Latitude & longitude coordinates 8 3D visualization 9 Navigation tools 10 Basemap options
1 Click on the name to activate the project
2 Expand the headings
3 Toggle layer on to visualize the layer
4 View layer properties, if needed
The system automatically archives layers, which have not been viewed for a long time in order to ensure optimal system performance for all users.
1 Archived layers are shown in light grey on the Project panel. Only the geographic extent is shown on the map when clicking on their name.
2 In order to visualize data from an archived layer, please contact us.
Option to download the data
1 Expand the project properties
2 Click on the download icon to download all the layers associated to the project
3 A message appears showing the download percentage. Once the download is complete, the zip file is automatically saved in the user’s Downloads folder
1 Individual & multiple time series
2 Individual & multiple average time series
3 Cross-section tool
4 Export data
View individual Time Series (TS)
1 Select the TS tool (default)
2 Click any point
3 A pop-up window appears with the associated TS
View multiple TS in one window
1 Select the TS tool (default)
2 Click on a point
3 Press Shift and click on other points
4 A pop-up window automatically appears after the first click and subsequent TS are added with the Shift function
Average TS for a group of points
1 Select the Average TS tool
2 Draw a polygon around a group of points. Double click to close the polygon
(Note: Up to 1000 pts can be averaged)
3 A pop-up appears with the associated average TS
TS Viewer tools
These tools are available in the top right corner of the TS window for every individual, multiple or average TS
3 Reset axes
4 Add toggle spike lines
5 Show closest data on hover
6 Compare data on hover
8 Download plot as “.png”
Create a cross-section
1 Select the Cross-section tool
2 Draw a line for the cross-section. Double click to end line
3 A pop-up window automatically appears. Enter the number of cells and the dimensions for the cells
4 The cross-section profile appears in a new window
1 Select the Export button
2 Draw a polygon around the area to be exported. Double click to close the polygon
(Note: only a maximum of 1000 points can be exported at once)
3 In the pop-up window, choose the output format (CSV, Geodatabase, Shapefile, KMZ) and enter a name for the file
4 The exported data is automatically downloaded to the user’s Download folder. The exported data has coordinates in WGS1984 Web Mercator and metric units
Temporal Filter on TS
1 View the layer properties
2 Zoom in to the main features of interest until the temporal filter tool becomes enabled
(Note: The zoom extent should contain less than 1000 points)
3 Click on the Temporal Filter tool
4 In the pop-up window, select the dates for the period of the filtered data
5 Click on the points and open the filtered TS
(Note: the symbology, i.e. colors of the points, of the filtered data is also automatically updated considering the rates of the filtered period)
6 To disable the TS filter, click on the Temporal filter tool again or zoom out
- See more average time series on the same figure.
- Display several average time series and single time series in the same figure.
- Draw a linear regression for each TS (average and single).
- The Projects panel can be collapsed.
- The Legend is automatically displayed when a layer is visible. The legend window can be collapsed and moved.
- The properties of each layer also include transparency options and metadata information such as the product, satellite, geometry and analysis period.
- The minimized Time Series and Cross-section windows are located in the lower left hand corner of the browser window.
- The 3D view only allows visualization of layers and user-drawn polygons and cross-section lines. The TREmaps™ tools are currently inactive in the 3D view.
- Error messages are displayed in the lower right hand corner of the browser window.
TREmaps™ officially supports the latest versions of Google Chrome and Mozilla Firefox and TRE ALTAMIRA recommends these browsers for optimal performance. While other internet browsers are not officially supported, most functionalities of TREmaps™ are compatible with any browser.
If connection or usage issues are experienced, please verify that you are using a supported internet browser, and that the following domains are reachable from your network: