taskGNU Astronomy Utilities - Tasks: task #14122, MakeCatalog only generate clump...


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task #14122: MakeCatalog only generate clump catalogs when specified in objects image

Submitter:  Mohammad Akhlaghi <makhlaghi>
Submitted:  Sun 14 Aug 2016 06:51:42 PM UTC
Should Start On:  Sun 14 Aug 2016 03:00:00 PM UTC Should be Finished on:  Sun 14 Aug 2016 03:00:00 PM UTC
Category:  MakeCatalog Priority:  5 - Normal
Item Group:  Enhancement Status:  Done
Privacy:  Public Assigned to:  makhlaghi
Percent Complete:  100% Open/Closed:  Closed
Effort:  0.00

Tue 16 Aug 2016 02:41:30 PM UTC, comment #1: 

The process was completed and is now pushed to the main repository. A test was also added for this job (setting the total number of tests to 41). So if you get the chance to compile, build and test this version, any feedback would be most welcome ;-).

The procedure involved more than just MakeCatalog. Since MakeCatalog expects integer types (short, long for example) for its object label images. So an option was also added to MakeProfiles so the user could set the output type of the image.

Maybe later we can add a utility to do such data type conversions on an input image (maybe as part of ConvertType, or maybe not, I am still thinking about it) in a systematic and robust manner so we don't have to rely on adding options to all the cases that might need it. So if you have any ideas, please share them ;-).

Mohammad Akhlaghi <makhlaghi>
Group administrator
Sun 14 Aug 2016 06:51:42 PM UTC, original submission:  

Currently MakeCatalog will generate both clumps and object catalogs. This is perfect for directly using all of NoiseChisel's output. But is very limiting when you want to be more creative in defining catalogs, for example making an object pixel map with MakeProfiles (see task #14115, which doesn't include a clump image).

One way we can do this is by using a header keyword in the object image for example `WCLUMPS' (for with-clumps). When this header keyword is set (for example by NoiseChisel), then MakeCatalogs will know that it should also look for a clump image and make a clump catalog. But when it isn't given or has a value of `no', then MakeCatalogs will only look at the object image and make an object catalog.

Mohammad Akhlaghi <makhlaghi>
Group administrator


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