Do not exspect more acurate results with these coordinates!!


These GCPs are reverse geotagged from an OpenDroneMap created Geotif
with WGS84 coordinates in the EXIF tags.

I also do not have a height value for the points!
(Set to 400m for testing purposes...)

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CRS:
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WGS 84 / UTM zone 17N
EPSG: 32617

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GCP point values:
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GCP_PointNr,X_Coordinate,Y_Coordinate
1,274914.738,4603349.014,400
2,274915.887,4603307.715,400
3,274985.284,4603319.756,400
4,274920.710,4603258.802,400
5,274879.571,4603204.279,400
-----------


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Better human readable gcp_list.txt
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EPSG:32617
## comment: the first line must contain EPSG. ( mandatory )
## x1 y1 z1 pixelx1 pixely1 imagename1 idGCP
## 0/0 of Pixel Coord = Upper left corner pixelX(column_0..) pixelY(row_0..)
# GCP01
274914.738    4603349.014    400    1229.676   514.215    DJI_0068.JPG    HV01
274914.738    4603349.014    400    1268.023    31.309    DJI_0104.JPG    HV01
274914.738    4603349.014    400    1350.499  1506.619    1JI_0076.JPG    HV01
# this is a comment, skip. 
# GCP02, no idGCP ( old format )
274915.887    4603307.715    400    1276.695  1043.561    DJI_0068.JPG
274915.887    4603307.715    400     750.239    81.604    DJI_0104.JPG
274915.887    4603307.715    400     336.897   634.845    DJI_0083.JPG
274915.887    4603307.715    400    1344.332   956.654    1JI_0076.JPG
# GCP03
274985.284    4603319.756    400    2125.152   841.227    DJI_0068.JPG    HV03
274985.284    4603319.756    400     919.044   903.661    DJI_0104.JPG    HV03
274985.284    4603319.756    400     483.157  1088.268    1JI_0076.JPG    HV03
# GCP04
274920.710    4603258.802    400   1376.513   1662.513    DJI_0068.JPG    HV04
274920.710    4603258.802    400    183.508    181.808    DJI_0104.JPG    HV04
274920.710    4603258.802    400    919.236    537.724    DJI_0083.JPG    HV04
274920.710    4603258.802    400   2202.425   1319.122    DJI_0063.JPG    HV04
274920.710    4603258.802    400    604.750    771.373    DJI_0074.JPG    HV04
# GCP05
274879.571    4603204.279    400   1617.581   1008.779    DJI_0083.JPG    HV05
274879.571    4603204.279    400   1505.237    849.416    DJI_0063.JPG    HV05
274879.571    4603204.279    400   1291.725   1257.747    DJI_0074.JPG    HV05