... | ... | @@ -6,11 +6,37 @@ The temperature calibration contains the look-up tables (LUT), which converts th |
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For a more detailed describtion how the NUC works, please check out the QRT wiki page.
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Functions to get the temperature calibrations are:
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1.
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download_LUT
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download_calibration_raw_files_by_time
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get_calib_data
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apply_calib_on_raw
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2. spatial calibration:
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The spatial calibration relates each pixel to a real space coordinates. It is based on a scene model. These scene models are stored for each camera in the |
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The spatial calibration relates each pixel to a real space coordinates. It is based on a scene model. These scene models are stored for each camera in the database. They can be downloaded with:
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download_scene_model
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For the heat flux a regular mapping was implemented and used to have the same heat flux grid for all divertor views from the 10 AEF cmaeras. This heat flux mapping can be downloaded with:
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download_heatflux_mapping_reference
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(contains several frames of the same shape as the heat flux images with different information. Information are the profile distance vector for each heat flux profile from THEODOR, the local finger/ stack coordiante system, the coordinate system of the mapping and the target identifier and an identifier for each finger/stack)
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The mapping can be back related to the original pixels and to the scene model of the temperature data. This mapping relation can be download with:
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download_heatflux_scene_model_reference (contains for each pixel of the heatflux image the post likely pixel in the original tempeature image (most likely because each heat flux pixel is based on a bilinear interpolation on 4 temperature pixels), the CAD or 3D information from this most likely pixel and the PFC information from this most likely pixel).
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To use now this mapping information to relate heat flux information to real space coordinates, simply use the heat flux image and the information of the CAD_X, CAD_Y and CAD_Z image from the download_heatflux_scene_model_reference function.
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If you want on the other hand relate a heat flux profile to real space coordinates, you need to perform some more steps:
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1. get the internal used finger_ID of your profile. You can use for this the function give_finger_ID
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2. use the Finger_ID information to locate your finger in the heat flux image. Use therefore the function download_heatflux_mapping_reference to get the finger_id for all pixels in the heat flux image. with a comparison, you should be able to find out now the coordiantes of the profile in the heat flux image.
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3. use the coordinates you got to get now the CAD_X, CAD_Y and CAD_Z information for your profile out of the scene model information from the function download_heatflux_scene_model_reference. Now you should have the information you searched for.
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