compression accuracy

Image Image Image The compression results for the same case were obtained using identical settings (only the compression precision differs: 1e-5(tol_Rdetect=1e-6) and 1e-6(tol_Rdetect=1e-7)). It was found that neither compression achieved the ideal accuracy (both acc values were around 1e-3). However, I observed that when the compression precision was set smaller (1e-6), the RCS curve could already fit perfectly (the result for 1e-5 was poor), and the rankmax of each level also increased. Could you explain why this happens? Is it due to the settings of the tol_comp and tol_Rdetect parameters?
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