Support larger operator training samples

backend/tests/test_sprint127_operator_sample_quality_matrix.py

@@ -43,6 +43,9 @@ def test_prepare_operator_real_data_samples_help_does_not_require_gis_dependenci
     assert result.returncode == 0
     assert "Prepare real Digitaal Vlaanderen" in result.stdout
     assert "--samples" in result.stdout
+    assert "--width" in result.stdout
+    assert "--height" in result.stdout
+    assert "--half-size-scale" in result.stdout
 
 
 def test_multi_sample_detection_quality_matrix_runs_existing_matrix_for_each_sample() -> None: