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README.md

@@ -50,7 +50,7 @@ configs:
 
 Interleaved image-text chain-of-thought for spatial reasoning.  Each row is a question with one or more input images,
 a written plan, one or more **helper pictures** that a model is trained to draw, a reading of each picture, and the
-answer.  66,487 rows (train 64,654 / validation 1,833) from 8
+answer.  63,871 rows (train 62,136 / validation 1,735) from 8
 sources, grouped by the kind of task into the 6 subsets below -- choose one in the viewer.  The validation
 split is held out by scene.
 
@@ -68,7 +68,7 @@ is therefore written toward the stored answer, and it can misdescribe a picture
 | `jigsaw` | Jigsaw reassembly: which candidate pieces fill the grey holes of a photo, or in which order shuffled strips of a photo belong | the completed / reassembled photo | `zebra_jigsaw`, `thinkmorph_jigsaw` | 16,185 | 458 |
 | `multiview_counting` | Multi-view counting: how many objects of a kind are on a cluttered table seen in 2-7 photos, or which kind is the most numerous | the real overhead photo of the same table | `messytable_relabel` | 6,334 | 107 |
 | `perspective_taking` | Perspective taking: after walking to a marked X and turning 90 degrees, is an object closer / further, on the left / right | the rendered view from the X after the turn | `ipt_pet` | 8,393 | 211 |
-| `cross_view` | Cross-view reasoning: objects seen from two spots of one room: visible in both, direction or distance between objects, counts | a wide panorama of the room (it does not wrap around) | `vdrop` | 6,508 | 264 |
+| `cross_view` | Cross-view reasoning: objects seen from two spots of one room: which one shows in both, which is nearest to a named object, how many | a wide panorama of the room (it does not wrap around) | `vdrop` | 3,990 | 166 |
 | `state_tracking` | Multi-step state tracking: where a bouncing ball exits, what a scene of solids looks like after a sequence of edits, how many remain | the trajectory or scene after each step, one picture per step | `motif` (ball_tracking_naive, manipulation_naive), `zebra_multihop` | 14,632 | 445 |
 | `navigation` | Navigation and route planning: the move sequence across a frozen lake avoiding holes, or the number of turns on the route through a maze | the grid with the route drawn | `thinkmorph_spatial_nav`, `motif` (maze_naive) | 12,602 | 348 |
 
@@ -90,10 +90,12 @@ every row):
 
 - `ipt_mvc` is removed (counts that miss visible paintings, hidden type conventions, options that give the answer, a
   top-down map that cannot show what is counted).
+- the cross-view questions that ask a direction -- from the viewpoint of one photo (`perspective_taking`) or between two objects (`relative_direction`) -- are removed (`vdrop_helper_misleads_direction` below): their helper panorama is taken from a third spot, and answering with it made a model worse than answering without it (Qwen3.8-27B with thinking, the same 29 sampled questions with and without the panorama: -21 and -13 points).
 - rows removed, by reason:
 
 | reason | rows |
 |---|---:|
+| vdrop_helper_misleads_direction | 2,616 |
 | motif_answer_in_operations | 741 |
 | multihop_unstated_removal | 562 |
 | multihop_text_determined | 280 |
@@ -114,10 +116,10 @@ every row):
 
 | flag | meaning | rows |
 |---|---|---|
-| `A.vdrop_pair_n=<n>` | rows that share this row's two input views (and so its panorama) | cross_view 6,772 |
+| `A.vdrop_pair_n=<n>` | rows that share this row's two input views (and so its panorama) | cross_view 4,156 |
 | `A.nav_moves=<n>` | number of moves in a frozen-lake answer | navigation 5,727 |
 | `A.manip_count` | a manipulation question that asks for a count (object positions do not matter) | state_tracking 1,782 |
-| `A.vdrop_wrap_claim` | the text says the panorama wraps around (it does not) | cross_view 904 |
+| `A.vdrop_wrap_claim` | the text says the panorama wraps around (it does not) | cross_view 464 |
 | `A.multihop_untouched` | no operation can change the counted class (the answer is the initial count) | state_tracking 574 |
 | `A.repeat_target` | a helper repeats an earlier helper of the row (a no-op step) | state_tracking 564 |
 | `A.text_issue=<name>` | a text-only issue found by a rule (the label and pictures are fine) | jigsaw 261, state_tracking 5 |

build_report.json

@@ -1,5 +1,5 @@
 {
- "export": "v1_r5",
+ "export": "v1_r6",
  "categories": {
   "jigsaw": {
    "title": "Jigsaw reassembly",
@@ -76,23 +76,21 @@
    "title": "Cross-view reasoning",
    "sources": {
     "vdrop": {
-     "train": 6508,
-     "validation": 264
+     "train": 3990,
+     "validation": 166
     }
    },
    "splits": {
-    "train": 6508,
-    "validation": 264
+    "train": 3990,
+    "validation": 166
    },
    "flags": {
-    "A.vdrop_pair_n=<n>": 6772,
-    "A.vdrop_wrap_claim": 904
+    "A.vdrop_pair_n=<n>": 4156,
+    "A.vdrop_wrap_claim": 464
    },
    "tasks": {
     "vdrop/anchor": 676,
     "vdrop/counting": 603,
-    "vdrop/perspective_taking": 1251,
-    "vdrop/relative_direction": 1365,
     "vdrop/relative_distance": 2877
    },
    "max_inputs": 2,
@@ -185,6 +183,7 @@
    "validation_maze_near_twin_in_train": 46
   },
   "vdrop": {
+   "vdrop_helper_misleads_direction": 2616,
    "vdrop_broken_panorama": 35
   },
   "zebra_jigsaw": {

cross_view/meta/train/chunk_00000.parquet

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cross_view/parquet_info.json

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-  "num_row_groups": 3
+  "num_rows": 166,
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  }
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