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@rouault rouault commented Jan 5, 2025

added in PROJ-data per OSGeo/PROJ-data#132

Using Helmert transformation:

$ echo -12.82 45.16 0 | bin/cs2cs -d 8 RGM04 RGM23
-12.81999702	45.16000607 0.00000000

Using grid:

$ echo -12.82 45.16 0 | PROJ_DATA=data:/home/even/proj/PROJ-data/fr_ign bin/cs2cs -d 9 RGM04 RGM23
-12.819997232	45.160006187 0.00000000

added in PROJ-data per OSGeo/PROJ-data#132

Using Helmert transformation:
```
$ echo -12.82 45.16 0 | bin/cs2cs -d 8 RGM04 RGM23
-12.81999702	45.16000607 0.00000000
```

Using grid:
```
$ echo -12.82 45.16 0 | PROJ_DATA=data:/home/even/proj/PROJ-data/fr_ign bin/cs2cs -d 8 RGM04 RGM23
-12.81999723	45.16000619 0.00000000
```
@rouault rouault added this to the 9.6.0 milestone Jan 5, 2025
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rouault commented Jan 7, 2025

Test point confirmed by IGN to match Circe v5.4.6 results

@rouault rouault merged commit 6258c65 into OSGeo:master Jan 7, 2025
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