ISIS Application Documentation
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Import HRSC image
Description
Categories
Groups
Examples
History
Description
This program imports Mars Express HRSC files. This includes both the HRSC Stereo and the SRC instruments with procesing level of "1" or "2" (not "3"). The program populates all label keywords necessary to create the corresponding camera models.
For the stereo instrument there is always prefix data. The prefix data is collected and used to look for "gaps" aka missing lines. The line prefix data for HRSC files contain time and exposure duration for each line. We look for occurrences where the time + exposure duration is not equal to the next line's time to find missing lines. This program uses two passes, the first reads the PDS file into a cube, the second inserts lines where gaps were identified.
For the SRC instrument, this program reads the PDS file and converts it to an ISIS cube. The PDS file for the SRC instrument is much simpler than the stereo instrument files and requires no special processing.
Categories
Related Applications to Previous Versions of ISIS
This program replaces the following applications existing in previous versions of ISIS:- mex2isis.pl
- readpfx
Parameter Groups
Files
| Name | Description |
|---|---|
| FROM | Input HRSC Stereo or SRC Image |
| TO | Output Isis cube |
Files: FROM
Description
Use this parameter to select the PDS filename. This file must contain the PDS labels, however the image data can be detached and will be automatically obtained from the PDS image pointer keyword. If the pointer is incorrect then use the IMAGE parameter to specify the file containing the binary image data.
| Type | filename |
|---|---|
| File Mode | input |
| Filter | *.lbl *.LBL *.img *.IMG |
Files: TO
Description
Use this parameter to select the output filename
| Type | cube |
|---|---|
| File Mode | output |
| Filter | *.cub |
Examples
Example 1
Import an HRSC stereo instrument image with gaps
Description
Command Line
Input Images
Input HRSC Image
|
This is the raw input image, not imported with this program This image was imported with pds2isis and then exported with isis2std, in order to get a good idea of what the raw input image looks like. |
Output HRSC Gap
|
Input discontinuity from this example This is a zoomed in region of what will become a gap from this example. Notice the features aren't aligned in the middle of the image, as if there are missing lines. |
Output Images
Output HRSC Image
|
Output image from this example This is the output from this example. The large "black" areas are NULL lines where data was missing, according to the prefix data on the raw input image. |
Output HRSC Gap
|
A gap from this example This is a zoomed in region of a gap from this example. Notice the features on the top and bottom would not normally line up if the gap did not exist. |
History
| Steven Lambright | 2008-01-16 | Original version |
| Christopher Austin | 2008-03-18 | Checks if input file is rdr based on whether or not the input file has prefix data. |
| Steven Lambright | 2008-05-13 | Removed references to CubeInfo |
| Steven Lambright | 2008-07-28 | Updated to support the HRSC camera model. The Kernels group now has the IK code properly added, the summing keyword is propagated, the times table is now compressed into only having entries on time changes, and the times no longer have a 'Z' at the end of them once imported. |
| Adam Paquette | 2016-10-05 | Updated the error messages thrown when hrsc2isis trys to ingest an image that is not an HRSC image, and when hrsc2isis trys to ingest a map projected image. Fixes #4259. |
| Stuart Sides | 2020-03-31 | Added ability to read HRSC SRC images |