Syntax highlighting of 50a44b1 ~( HRSC)

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The HRSC on board ESA's Mars Express will image the entire planet in full colour, 3D and with a resolution of about 10 meters. Selected areas will be imaged at 2-metre resolution.

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== Instrument description ==

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== Downloading HRSC data ==

=== HRSC Imagery === 

From the “Maps” tab, zoom-in on your region of interest, but beware that HRSC products have a very large coverage. Select the relevant HRSC layer you would like to use (RDRv3 for basic calibrated data, REFDRv3 for map-projected images, Team DTM for elevation models). You can see the products footprints that appear on the map. Use the “Select” button to choose the products you desire over an area. Use the right-click context menu to add your selection to your workspace. 

{{HRSC/select_hrsc.jpg||width="800"}}

In the "Workspace" tab, you will see your product selection. HRSC products are processed by the science team, there is only one step to download the data.

Check the product status: if some data is not already done yet, select the rows you would like to request by ticking the input on the left column (you can use the "Select all" button to select all visible products) and click on the "Process" action on the top of the workspace table. You can check more information about the processing in the job tab if needed.

Once all the data you would like is done, select entries by ticking the input on the left column (you can use the "Select all" button to select all visible products) and click on the "Copy" action to request a copy of the data in your personal directory. You can then proceed to download products as described in the SFTP section. 

== Data description ==

=== Images ===

==== Directory content ====

MarsSI propose the following products from the HRSC dataset:

 * RDRv3 : Radiometric Data Record, version 3, 1-channel
 * REFDRv3 : map-projected RDR products, 1-channel
 * DEM : Digital Elevation Model

These images are usually in the PDS data format, the suffix indicates the data content of the image:

 * ND = nadir
 * BL = blue
 * GR = green
 * IR = near IR
 * RE = red
 * DT = DEM sphere
 * DA = DEM aeroid

There can also be S1, S2, P1, P2 and ND types that represent panchromatic channels [TODO: find if the wavelengths are constant across images]
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==== Georeferencing ====

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== References ==

 * Product suffix description: [[https://ode.rsl.wustl.edu/Mars/pagehelp/quickstartguide/hrsc_refdr3.htm]]