U fbA@sTdZddlZddlZddlZddlmZddZddZ dd Z d d Z d d Z dS)zz IoU Module, with help from https://github.com/SpaceNetChallenge/utilities/blob/spacenetV3/spacenetutilities/evalTools.py N)linear_sum_assignmentcCs2tjjdd}t|D]\}}|||jq|S)NT) interleaved)rtreeindexIndex enumerateinsertbounds)Z poly_listridxgeomr d/home/ec2-user/SageMaker/vegetation-management-remars2022/remars2022-workshop/libs/deepforest/IoU.pycreate_rtree_from_poly src Csg}g}g}t||jj}|jD]T}||krL|j|j|j}|j} nd} ||j||j|j || q$t |||d} | S)zBCalculate overlap between one polygon and all ground truth by arear) prediction_idtruth_idarea) list intersectiongeometryr rlocrappendrrpd DataFrame) test_poly truth_polys rtree_indexrrrZ matched_listrintersection_resultintersection_arearesultsr r r _overlap_s(    rcCs@g}|D] \}}t|||d}||q tj|dd}|S)zBFind area of overlap among all sets of ground truth and prediction)rrrT) ignore_index)iterrowsrrrconcat) test_polysrrrrrowresultr r r _overlap_all.s r&cCs(||j}|j}||jj}||S)zIntersection over union)rrrunion)rZ truth_polyrrZ union_arear r r _iou_;s r(c Cs |jj|d<|jj|d<t|j}t|||d}|dddj}t|dd\}}g}|D]\}} ||kr|t ||kdd} t ||j | k|j |} ||j | kj jd} n d} d} d} |t| g|g| | d q\t|}||dd d d d g}|S)z Args: ground_truth: a projected geopandas dataframe with geoemtry submission: a projected geopandas dataframe with geometry Returns: iou_df: dataframe of IoU scores rr)r#rrrT)maximizerN)rrIoUscorexminxmaxyminymax)rvaluesrrr&pivotrr!npwherer(rrr+rrrr"merge) ground_truthZ submissionrZ overlap_dfmatrixrow_indcol_indZiou_dfrr$Z matched_idiour+r r r compute_IoUCs>    r:) __doc__numpyr2rpandasrscipy.optimizerrrr&r(r:r r r r s