GOSAT-1/2 Level 1 product reading toolkit User’s manual (C ...

GST-190020

GOSAT-1/2 Level 1 product reading toolkit User's manual (C Language)

Aug, 2019 Japan Aerospace Exploration Agency

Version Date 2019/08

Page

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Table of Contents

1. Introduction.................................................................................................................... 1 11 Supported product formats ................................................................................ 1 12 List of Application Programming Interface (API) ............................................ 2

2. System requirements..................................................................................................... 3 3. Install.............................................................................................................................. 4 4. Parameter files............................................................................................................... 5 5. Sample programs ........................................................................................................... 6 6. API Specification............................................................................................................ 8

61 Handling HDF files............................................................................................. 8 611 gtk_com_hdfopen ......................................................................................... 8 612 gtk_com_hdfclose ......................................................................................... 9 613 gtk_com_dimsize........................................................................................ 10 614 gtk_com_read ..............................................................................................11 615 gtk_com_dump ........................................................................................... 13

62 GOSAT-1 FTS Level 1 product API ................................................................. 14 621 gtk_fts1_getigm ......................................................................................... 14 622 gtk_fts1_getspc .......................................................................................... 16 623 gtk_fts1_rad2bt.......................................................................................... 18 624 gtk_fts1_readcam ...................................................................................... 20

63 GOSAT-2 FTS-2 Level 1 product API .............................................................. 21 631 gtk_fts2_getigm ......................................................................................... 21 632 gtk_fts2_getspc .......................................................................................... 23 633 gtk_fts2_rad2bt.......................................................................................... 25 634 gtk_fts2_readcam ...................................................................................... 27

64 GOSAT-1 CAI Level 1 product API.................................................................. 28 641 gtk_com_readstruct ................................................................................... 28 642 gtk_cai1_geointerpol.................................................................................. 30 643 gtk_cai1_dn2rad ........................................................................................ 32 644 gtk_cai1_cutimage ..................................................................................... 33

65 GOSAT-1 CAI-2 Level 1 product API .............................................................. 35 651 gtk_cai2_geointerpol.................................................................................. 35 652 gtk_cai2_dn2rad ........................................................................................ 36 653 gtk_cai2_cutimage ..................................................................................... 38

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654 gtk_cai2_geocalc ........................................................................................ 40 655 gtk_cai2_resampimage.............................................................................. 42 656 gtk_cai2_create_sensor_param................................................................. 44 657 gtk_cai2_delete_sensor_param................................................................. 45 658 gtk_cai2_create_processed_image ............................................................ 46 659 gtk_cai2_delete_image .............................................................................. 49 6510 gtk_cai2_create_resample_info ............................................................. 50 6511 gtk_cai2_get_resample_position ........................................................... 51 6512 gtk_cai2_delete_resample_info ............................................................. 53

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1. Introduction This document is the user's manual for GOSAT Level 1 product reading Toolkit (GTK). GTK is a programming library to read GOSAT-1/GOSAT-2 Level 1 product. This document describes about C language version.

11

Supported product formats

GTK supports product formats described in Table 1.1-1.

Table 1.1 -1 Supported product format list

No

Product file

1

TANSO-FTS Level 1A product

2

TANSO-FTS Level 1B product

3

TANSO-CAI Level 1A product

4

TANSO-FTS-2 Level 1A product

5

TANSO-FTS-2 Level 1B product

6

TANSO-CAI-2 Level 1A product

Version. V2XX V2XX V130 V1XX V1XX V1XX

Following document describes for more detail about the format.

GOSAT / TANSO Level 1 Product Description Document TANSO-FTS Section Level 1 Data Format Description Document TANSO-CAI Version GOSAT-2 Mission Operations System_Level 1 Data Format Description Document

(TANSO-FTS-2 Version) GOSAT-2 Mission Operations System_Level 1 Data Format Description Document

(TANSO-CAI-2 Version)

1

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