I am trying to solve an issue with WebODM where I have my Ground Control Points surveyed with GPS in New York State Plane Feet and utilize that file when processing the orthos in WebODM. However, When I extract the DTM and insert it into QGIS with the project specified in the ESPG:6537 coordinate system and generate contours from the DTM they still are generated in meters. The ortho successfully is in the correct 6537 coordinate system. Am I missing something? Below is my GCP file and a screen shot of the project in QGIS along with the processing parameters in WebODM. Any help would be greatly appreciated. Thanks.
GCP File with what I think is the proper header:
+proj=tmerc +lat_0=38.83333333333334 +lon_0=-74.5 +k=0.9999 +x_0=150000 +y_0=0 +ellps=GRS80 +units=us-ft +no_defs
655879.625 1592749.792 926.21 4220.13 1083.44 DJI_0641.JPG TP1
655879.625 1592749.792 926.21 4027.50 1554.00 DJI_0642.JPG TP1
655879.625 1592749.792 926.21 3897.85 2046.92 DJI_0643.JPG TP1
656273.277 1592906.797 902.30 2472.48 414.34 DJI_0486.JPG TP2
656273.277 1592906.797 902.30 2645.77 854.54 DJI_0487.JPG TP2
656273.277 1592906.797 902.30 2582.69 1374.31 DJI_0488.JPG TP2
656350.845 1592652.334 900.36 2267.92 608.62 DJI_0496.JPG TP3
656350.845 1592652.334 900.36 2264.54 1124.46 DJI_0497.JPG TP3
656350.845 1592652.334 900.36 2277.69 1628.77 DJI_0498.JPG TP3
656250.615 1592250.078 864.17 3417.66 1036.00 DJI_0552.JPG TP5
656250.615 1592250.078 864.17 3488.00 1441.38 DJI_0553.JPG TP5
656250.615 1592250.078 864.17 3562.71 1838.35 DJI_0554.JPG TP5
WebODM Processing Parameters:
[INFO] DTM is turned on, automatically turning on point cloud classification
[INFO] Initializing OpenDroneMap app - Sat Feb 15 14:47:11 2020
[INFO] ==============
[INFO] build_overviews: False
[INFO] camera_lens: auto
[INFO] cameras: {}
[INFO] crop: 3
[INFO] debug: False
[INFO] dem_decimation: 1
[INFO] dem_euclidean_map: False
[INFO] dem_gapfill_steps: 3
[INFO] dem_resolution: 100.0
[INFO] depthmap_resolution: 640
[INFO] dsm: False
[INFO] dtm: True
[INFO] end_with: odm_orthophoto
[INFO] fast_orthophoto: False
[INFO] force_gps: False
[INFO] gcp: /var/www/data/da9f691c-c5b0-4033-b41d-c63a82e980cb/gcp/New_gcp_file_1581434881031_NYSP_East_NAD83_2011.txt
[INFO] ignore_gsd: True
[INFO] matcher_distance: 0
[INFO] matcher_neighbors: 8
[INFO] max_concurrency: 10
[INFO] merge: all
[INFO] mesh_octree_depth: 9
[INFO] mesh_point_weight: 4
[INFO] mesh_samples: 1.0
[INFO] mesh_size: 100000
[INFO] min_num_features: 18000
[INFO] mve_confidence: 0.6
[INFO] name: da9f691c-c5b0-4033-b41d-c63a82e980cb
[INFO] opensfm_depthmap_method: PATCH_MATCH
[INFO] opensfm_depthmap_min_consistent_views: 3
[INFO] opensfm_depthmap_min_patch_sd: 1
[INFO] orthophoto_compression: DEFLATE
[INFO] orthophoto_cutline: False
[INFO] orthophoto_no_tiled: False
[INFO] orthophoto_resolution: 1.0
[INFO] pc_classify: True
[INFO] pc_csv: False
[INFO] pc_ept: False
[INFO] pc_filter: 2.5
[INFO] pc_las: True
[INFO] pc_sample: 0
[INFO] project_path: /var/www/data
[INFO] rerun: None
[INFO] rerun_all: False
[INFO] rerun_from: [‘odm_dem’, ‘odm_orthophoto’]
[INFO] resize_to: 2048
[INFO] skip_3dmodel: False
[INFO] sm_cluster: None
[INFO] smrf_scalar: 1.25
[INFO] smrf_slope: 0.15
[INFO] smrf_threshold: 0.5
[INFO] smrf_window: 18.0
[INFO] split: 999999
[INFO] split_overlap: 150
[INFO] texturing_data_term: area
[INFO] texturing_keep_unseen_faces: False
[INFO] texturing_nadir_weight: 16
[INFO] texturing_outlier_removal_type: gauss_clamping
[INFO] texturing_skip_global_seam_leveling: False
[INFO] texturing_skip_hole_filling: False
[INFO] texturing_skip_local_seam_leveling: False
[INFO] texturing_skip_visibility_test: False
[INFO] texturing_tone_mapping: none
[INFO] time: False
[INFO] use_3dmesh: False
[INFO] use_exif: False
[INFO] use_fixed_camera_params: False
[INFO] use_hybrid_bundle_adjustment: False
[INFO] use_opensfm_dense: False
[INFO] verbose: False
[INFO] ==============
[INFO] Running dataset stage
[INFO] Loading dataset from: /var/www/data/da9f691c-c5b0-4033-b41d-c63a82e980cb/images
[INFO] Loading 281 images
[INFO] Wrote images database: /var/www/data/da9f691c-c5b0-4033-b41d-c63a82e980cb/images.json
[INFO] Found 281 usable images
[INFO] Parsing SRS header: +proj=tmerc +lat_0=38.83333333333334 +lon_0=-74.5 +k=0.9999 +x_0=150000 +y_0=0 +ellps=GRS80 +units=us-ft +no_defs
[INFO] Generated coords file from GCP: WGS84 UTM 18N
[INFO] Parsing SRS header: WGS84 UTM 18N
[INFO] Parsing SRS header: WGS84 UTM 18N
[INFO] 12 GCP points will be used for georeferencing
[INFO] Parsing SRS header: WGS84 UTM 18N
[INFO] Finished dataset stage
[INFO] Running split stage
[INFO] Normal dataset, will process all at once.
[INFO] Finished split stage
[INFO] Running merge stage
[INFO] Normal dataset, nothing to merge.
[INFO] Finished merge stage
[INFO] Running opensfm stage
[INFO] Altitude data detected, enabling it for GPS alignment