more 3d assets for cnn_v3

72 files changed, 45 insertions, 1 deletions

diff --git a/cnn_v3/training/dataset/full/barb_0001/albedo.png b/cnn_v3/training/dataset/full/barb_0001/albedo.png
new file mode 100644
index 0000000..25070e5
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barb_0001/albedo.png
diff --git a/cnn_v3/training/dataset/full/barb_0001/depth.png b/cnn_v3/training/dataset/full/barb_0001/depth.png
new file mode 100644
index 0000000..3a76e89
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barb_0001/depth.png
diff --git a/cnn_v3/training/dataset/full/barb_0001/matid.png b/cnn_v3/training/dataset/full/barb_0001/matid.png
new file mode 100644
index 0000000..6b7a3c9
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barb_0001/matid.png
diff --git a/cnn_v3/training/dataset/full/barb_0001/normal.png b/cnn_v3/training/dataset/full/barb_0001/normal.png
new file mode 100644
index 0000000..c9fa0f3
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barb_0001/normal.png
diff --git a/cnn_v3/training/dataset/full/barb_0001/shadow.png b/cnn_v3/training/dataset/full/barb_0001/shadow.png
new file mode 100644
index 0000000..0a84060
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barb_0001/shadow.png
diff --git a/cnn_v3/training/dataset/full/barb_0001/source.png b/cnn_v3/training/dataset/full/barb_0001/source.png
new file mode 100644
index 0000000..67e9569
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barb_0001/source.png
diff --git a/cnn_v3/training/dataset/full/barb_0001/target.png b/cnn_v3/training/dataset/full/barb_0001/target.png
new file mode 100644
index 0000000..955677e
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barb_0001/target.png
diff --git a/cnn_v3/training/dataset/full/barb_0001/transp.png b/cnn_v3/training/dataset/full/barb_0001/transp.png
new file mode 100644
index 0000000..b8bd985
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barb_0001/transp.png
diff --git a/cnn_v3/training/dataset/full/barc_0001/albedo.png b/cnn_v3/training/dataset/full/barc_0001/albedo.png
new file mode 100644
index 0000000..5a3013d
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barc_0001/albedo.png
diff --git a/cnn_v3/training/dataset/full/barc_0001/depth.png b/cnn_v3/training/dataset/full/barc_0001/depth.png
new file mode 100644
index 0000000..0022248
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barc_0001/depth.png
diff --git a/cnn_v3/training/dataset/full/barc_0001/matid.png b/cnn_v3/training/dataset/full/barc_0001/matid.png
new file mode 100644
index 0000000..c825fd4
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barc_0001/matid.png
diff --git a/cnn_v3/training/dataset/full/barc_0001/normal.png b/cnn_v3/training/dataset/full/barc_0001/normal.png
new file mode 100644
index 0000000..fa8a8d8
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barc_0001/normal.png
diff --git a/cnn_v3/training/dataset/full/barc_0001/shadow.png b/cnn_v3/training/dataset/full/barc_0001/shadow.png
new file mode 100644
index 0000000..6ddba0f
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barc_0001/shadow.png
diff --git a/cnn_v3/training/dataset/full/barc_0001/source.png b/cnn_v3/training/dataset/full/barc_0001/source.png
new file mode 100644
index 0000000..5485c97
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barc_0001/source.png
diff --git a/cnn_v3/training/dataset/full/barc_0001/target.png b/cnn_v3/training/dataset/full/barc_0001/target.png
new file mode 100644
index 0000000..c288c39
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barc_0001/target.png
diff --git a/cnn_v3/training/dataset/full/barc_0001/transp.png b/cnn_v3/training/dataset/full/barc_0001/transp.png
new file mode 100644
index 0000000..c825fd4
--- /dev/null
+++ b/cnn_v3/training/dataset/full/barc_0001/transp.png
diff --git a/cnn_v3/training/dataset/full/class_0001/albedo.png b/cnn_v3/training/dataset/full/class_0001/albedo.png
new file mode 100644
index 0000000..4debad7
--- /dev/null
+++ b/cnn_v3/training/dataset/full/class_0001/albedo.png
diff --git a/cnn_v3/training/dataset/full/class_0001/depth.png b/cnn_v3/training/dataset/full/class_0001/depth.png
new file mode 100644
index 0000000..90b5853
--- /dev/null
+++ b/cnn_v3/training/dataset/full/class_0001/depth.png
diff --git a/cnn_v3/training/dataset/full/class_0001/matid.png b/cnn_v3/training/dataset/full/class_0001/matid.png
new file mode 100644
index 0000000..3bd95ee
--- /dev/null
+++ b/cnn_v3/training/dataset/full/class_0001/matid.png
diff --git a/cnn_v3/training/dataset/full/class_0001/normal.png b/cnn_v3/training/dataset/full/class_0001/normal.png
new file mode 100644
index 0000000..08d65bb
--- /dev/null
+++ b/cnn_v3/training/dataset/full/class_0001/normal.png
diff --git a/cnn_v3/training/dataset/full/class_0001/shadow.png b/cnn_v3/training/dataset/full/class_0001/shadow.png
new file mode 100644
index 0000000..917c396
--- /dev/null
+++ b/cnn_v3/training/dataset/full/class_0001/shadow.png
diff --git a/cnn_v3/training/dataset/full/class_0001/source.png b/cnn_v3/training/dataset/full/class_0001/source.png
new file mode 100644
index 0000000..176f7c0
--- /dev/null
+++ b/cnn_v3/training/dataset/full/class_0001/source.png
diff --git a/cnn_v3/training/dataset/full/class_0001/target.png b/cnn_v3/training/dataset/full/class_0001/target.png
new file mode 100644
index 0000000..e4efeb8
--- /dev/null
+++ b/cnn_v3/training/dataset/full/class_0001/target.png
diff --git a/cnn_v3/training/dataset/full/class_0001/transp.png b/cnn_v3/training/dataset/full/class_0001/transp.png
new file mode 100644
index 0000000..1bd8458
--- /dev/null
+++ b/cnn_v3/training/dataset/full/class_0001/transp.png
diff --git a/cnn_v3/training/dataset/full/monk_0001/albedo.png b/cnn_v3/training/dataset/full/monk_0001/albedo.png
new file mode 100644
index 0000000..84a16eb
--- /dev/null
+++ b/cnn_v3/training/dataset/full/monk_0001/albedo.png
diff --git a/cnn_v3/training/dataset/full/monk_0001/depth.png b/cnn_v3/training/dataset/full/monk_0001/depth.png
new file mode 100644
index 0000000..ff31c72
--- /dev/null
+++ b/cnn_v3/training/dataset/full/monk_0001/depth.png
diff --git a/cnn_v3/training/dataset/full/monk_0001/matid.png b/cnn_v3/training/dataset/full/monk_0001/matid.png
new file mode 100644
index 0000000..582c655
--- /dev/null
+++ b/cnn_v3/training/dataset/full/monk_0001/matid.png
diff --git a/cnn_v3/training/dataset/full/monk_0001/normal.png b/cnn_v3/training/dataset/full/monk_0001/normal.png
new file mode 100644
index 0000000..9f9d823
--- /dev/null
+++ b/cnn_v3/training/dataset/full/monk_0001/normal.png
diff --git a/cnn_v3/training/dataset/full/monk_0001/shadow.png b/cnn_v3/training/dataset/full/monk_0001/shadow.png
new file mode 100644
index 0000000..dfd78d3
--- /dev/null
+++ b/cnn_v3/training/dataset/full/monk_0001/shadow.png
diff --git a/cnn_v3/training/dataset/full/monk_0001/source.png b/cnn_v3/training/dataset/full/monk_0001/source.png
new file mode 100644
index 0000000..da4bf46
--- /dev/null
+++ b/cnn_v3/training/dataset/full/monk_0001/source.png
diff --git a/cnn_v3/training/dataset/full/monk_0001/target.png b/cnn_v3/training/dataset/full/monk_0001/target.png
new file mode 100644
index 0000000..d4a1c16
--- /dev/null
+++ b/cnn_v3/training/dataset/full/monk_0001/target.png
diff --git a/cnn_v3/training/dataset/full/monk_0001/transp.png b/cnn_v3/training/dataset/full/monk_0001/transp.png
new file mode 100644
index 0000000..582c655
--- /dev/null
+++ b/cnn_v3/training/dataset/full/monk_0001/transp.png
diff --git a/cnn_v3/training/dataset/orig/barb_0001/0001.exr b/cnn_v3/training/dataset/orig/barb_0001/0001.exr
new file mode 100644
index 0000000..75fe136
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/0001.exr
diff --git a/cnn_v3/training/dataset/orig/barb_0001/albedo.png b/cnn_v3/training/dataset/orig/barb_0001/albedo.png
new file mode 100644
index 0000000..6f5c175
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/albedo.png
diff --git a/cnn_v3/training/dataset/orig/barb_0001/align.sh b/cnn_v3/training/dataset/orig/barb_0001/align.sh
new file mode 100755
index 0000000..97c3186
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/align.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+mkdir -p clipped
+
+magick "albedo.png" -crop 1256x720+14+0 +repage "clipped/albedo.png"
+magick "depth.png" -crop 1256x720+14+0 +repage "clipped/depth.png"
+magick "matid.png" -crop 1256x720+14+0 +repage "clipped/matid.png"
+magick "normal.png" -crop 1256x720+14+0 +repage "clipped/normal.png"
+magick "shadow.png" -crop 1256x720+14+0 +repage "clipped/shadow.png"
+magick "source.png" -crop 1256x720+14+0 +repage "clipped/source.png"
+magick "transp.png" -crop 1256x720+14+0 +repage "clipped/transp.png"
+magick "target.png" -virtual-pixel black -distort AffineProjection "0.934636,0,0,0.944414,13.54,-2.38" -crop 1256x720+14+0 +repage "clipped/target.png"
diff --git a/cnn_v3/training/dataset/orig/barb_0001/depth.png b/cnn_v3/training/dataset/orig/barb_0001/depth.png
new file mode 100644
index 0000000..cd1aa6e
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/depth.png
diff --git a/cnn_v3/training/dataset/orig/barb_0001/matid.png b/cnn_v3/training/dataset/orig/barb_0001/matid.png
new file mode 100644
index 0000000..c189b13
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/matid.png
diff --git a/cnn_v3/training/dataset/orig/barb_0001/normal.png b/cnn_v3/training/dataset/orig/barb_0001/normal.png
new file mode 100644
index 0000000..a8d4053
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/normal.png
diff --git a/cnn_v3/training/dataset/orig/barb_0001/shadow.png b/cnn_v3/training/dataset/orig/barb_0001/shadow.png
new file mode 100644
index 0000000..0a89035
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/shadow.png
diff --git a/cnn_v3/training/dataset/orig/barb_0001/source.png b/cnn_v3/training/dataset/orig/barb_0001/source.png
new file mode 100644
index 0000000..ab281a5
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/source.png
diff --git a/cnn_v3/training/dataset/orig/barb_0001/target.png b/cnn_v3/training/dataset/orig/barb_0001/target.png
new file mode 100644
index 0000000..1e6f0d7
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/target.png
diff --git a/cnn_v3/training/dataset/orig/barb_0001/transp.png b/cnn_v3/training/dataset/orig/barb_0001/transp.png
new file mode 100644
index 0000000..ba4eb70
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barb_0001/transp.png
diff --git a/cnn_v3/training/dataset/orig/barc_0001/0001.exr b/cnn_v3/training/dataset/orig/barc_0001/0001.exr
new file mode 100644
index 0000000..9b073bb
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/0001.exr
diff --git a/cnn_v3/training/dataset/orig/barc_0001/albedo.png b/cnn_v3/training/dataset/orig/barc_0001/albedo.png
new file mode 100644
index 0000000..1c97e6e
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/albedo.png
diff --git a/cnn_v3/training/dataset/orig/barc_0001/align.sh b/cnn_v3/training/dataset/orig/barc_0001/align.sh
new file mode 100755
index 0000000..63a8ae6
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/align.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+mkdir -p clipped
+
+magick "albedo.png" -crop 1221x710+33+8 +repage "clipped/albedo.png"
+magick "depth.png" -crop 1221x710+33+8 +repage "clipped/depth.png"
+magick "matid.png" -crop 1221x710+33+8 +repage "clipped/matid.png"
+magick "normal.png" -crop 1221x710+33+8 +repage "clipped/normal.png"
+magick "shadow.png" -crop 1221x710+33+8 +repage "clipped/shadow.png"
+magick "source.png" -crop 1221x710+33+8 +repage "clipped/source.png"
+magick "transp.png" -crop 1221x710+33+8 +repage "clipped/transp.png"
+magick "target.png" -virtual-pixel black -distort AffineProjection "0.908899,0,0,0.925781,32.82,7.92" -crop 1221x710+33+8 +repage "clipped/target.png"
diff --git a/cnn_v3/training/dataset/orig/barc_0001/depth.png b/cnn_v3/training/dataset/orig/barc_0001/depth.png
new file mode 100644
index 0000000..0a1bd9f
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/depth.png
diff --git a/cnn_v3/training/dataset/orig/barc_0001/matid.png b/cnn_v3/training/dataset/orig/barc_0001/matid.png
new file mode 100644
index 0000000..ba4eb70
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/matid.png
diff --git a/cnn_v3/training/dataset/orig/barc_0001/normal.png b/cnn_v3/training/dataset/orig/barc_0001/normal.png
new file mode 100644
index 0000000..13a6473
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/normal.png
diff --git a/cnn_v3/training/dataset/orig/barc_0001/shadow.png b/cnn_v3/training/dataset/orig/barc_0001/shadow.png
new file mode 100644
index 0000000..0a89035
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/shadow.png
diff --git a/cnn_v3/training/dataset/orig/barc_0001/source.png b/cnn_v3/training/dataset/orig/barc_0001/source.png
new file mode 100644
index 0000000..0d35827
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/source.png
diff --git a/cnn_v3/training/dataset/orig/barc_0001/target.png b/cnn_v3/training/dataset/orig/barc_0001/target.png
new file mode 100644
index 0000000..a53ebd6
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/target.png
diff --git a/cnn_v3/training/dataset/orig/barc_0001/transp.png b/cnn_v3/training/dataset/orig/barc_0001/transp.png
new file mode 100644
index 0000000..ba4eb70
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/barc_0001/transp.png
diff --git a/cnn_v3/training/dataset/orig/class_0001/0001.exr b/cnn_v3/training/dataset/orig/class_0001/0001.exr
new file mode 100644
index 0000000..efc7a56
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/0001.exr
diff --git a/cnn_v3/training/dataset/orig/class_0001/albedo.png b/cnn_v3/training/dataset/orig/class_0001/albedo.png
new file mode 100644
index 0000000..f6b6fc2
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/albedo.png
diff --git a/cnn_v3/training/dataset/orig/class_0001/align.sh b/cnn_v3/training/dataset/orig/class_0001/align.sh
new file mode 100755
index 0000000..a4f4ff8
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/align.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+mkdir -p clipped
+
+magick "albedo.png" -crop 1256x717+14+1 +repage "clipped/albedo.png"
+magick "depth.png" -crop 1256x717+14+1 +repage "clipped/depth.png"
+magick "matid.png" -crop 1256x717+14+1 +repage "clipped/matid.png"
+magick "normal.png" -crop 1256x717+14+1 +repage "clipped/normal.png"
+magick "shadow.png" -crop 1256x717+14+1 +repage "clipped/shadow.png"
+magick "source.png" -crop 1256x717+14+1 +repage "clipped/source.png"
+magick "transp.png" -crop 1256x717+14+1 +repage "clipped/transp.png"
+magick "target.png" -virtual-pixel black -distort AffineProjection "0.934588,0,0,0.934842,14.12,1.24" -crop 1256x717+14+1 +repage "clipped/target.png"
diff --git a/cnn_v3/training/dataset/orig/class_0001/depth.png b/cnn_v3/training/dataset/orig/class_0001/depth.png
new file mode 100644
index 0000000..5749e39
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/depth.png
diff --git a/cnn_v3/training/dataset/orig/class_0001/matid.png b/cnn_v3/training/dataset/orig/class_0001/matid.png
new file mode 100644
index 0000000..a7c5fb5
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/matid.png
diff --git a/cnn_v3/training/dataset/orig/class_0001/normal.png b/cnn_v3/training/dataset/orig/class_0001/normal.png
new file mode 100644
index 0000000..2ef1770
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/normal.png
diff --git a/cnn_v3/training/dataset/orig/class_0001/shadow.png b/cnn_v3/training/dataset/orig/class_0001/shadow.png
new file mode 100644
index 0000000..0a89035
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/shadow.png
diff --git a/cnn_v3/training/dataset/orig/class_0001/source.png b/cnn_v3/training/dataset/orig/class_0001/source.png
new file mode 100644
index 0000000..320a18b
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/source.png
diff --git a/cnn_v3/training/dataset/orig/class_0001/target.png b/cnn_v3/training/dataset/orig/class_0001/target.png
new file mode 100644
index 0000000..a0b3935
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/target.png
diff --git a/cnn_v3/training/dataset/orig/class_0001/transp.png b/cnn_v3/training/dataset/orig/class_0001/transp.png
new file mode 100644
index 0000000..45ff42e
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/class_0001/transp.png
diff --git a/cnn_v3/training/dataset/orig/monk_0001/albedo.png b/cnn_v3/training/dataset/orig/monk_0001/albedo.png
new file mode 100644
index 0000000..9e938f6
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/monk_0001/albedo.png
diff --git a/cnn_v3/training/dataset/orig/monk_0001/depth.png b/cnn_v3/training/dataset/orig/monk_0001/depth.png
new file mode 100644
index 0000000..a9f4799
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/monk_0001/depth.png
diff --git a/cnn_v3/training/dataset/orig/monk_0001/go.sh b/cnn_v3/training/dataset/orig/monk_0001/go.sh
new file mode 100755
index 0000000..de1ce0d
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/monk_0001/go.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+mkdir -p clipped
+magick "albedo.png" -crop 627x357+9+2 +repage "clipped/albedo.png"
+magick "depth.png" -crop 627x357+9+2 +repage "clipped/depth.png"
+magick "matid.png" -crop 627x357+9+2 +repage "clipped/matid.png"
+magick "normal.png" -crop 627x357+9+2 +repage "clipped/normal.png"
+magick "shadow.png" -crop 627x357+9+2 +repage "clipped/shadow.png"
+magick "source.png" -crop 627x357+9+2 +repage "clipped/source.png"
+magick "target.png" -crop 627x357+9+2 +repage "clipped/target.png"
+magick "transp.png" -crop 627x357+9+2 +repage "clipped/transp.png"
+magick "target.png" -virtual-pixel black -distort AffineProjection "0.466970,0,0,0.467532,8.90,2.36" -crop 627x357+9+2 +repage "clipped/target.png"
diff --git a/cnn_v3/training/dataset/orig/monk_0001/matid.png b/cnn_v3/training/dataset/orig/monk_0001/matid.png
new file mode 100644
index 0000000..2428f72
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/monk_0001/matid.png
diff --git a/cnn_v3/training/dataset/orig/monk_0001/normal.png b/cnn_v3/training/dataset/orig/monk_0001/normal.png
new file mode 100644
index 0000000..502a826
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/monk_0001/normal.png
diff --git a/cnn_v3/training/dataset/orig/monk_0001/shadow.png b/cnn_v3/training/dataset/orig/monk_0001/shadow.png
new file mode 100644
index 0000000..fb21a2e
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/monk_0001/shadow.png
diff --git a/cnn_v3/training/dataset/orig/monk_0001/source.png b/cnn_v3/training/dataset/orig/monk_0001/source.png
new file mode 100644
index 0000000..04fec3a
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/monk_0001/source.png
diff --git a/cnn_v3/training/dataset/orig/monk_0001/target.png b/cnn_v3/training/dataset/orig/monk_0001/target.png
new file mode 100644
index 0000000..ae92ad3
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/monk_0001/target.png
diff --git a/cnn_v3/training/dataset/orig/monk_0001/transp.png b/cnn_v3/training/dataset/orig/monk_0001/transp.png
new file mode 100644
index 0000000..2428f72
--- /dev/null
+++ b/cnn_v3/training/dataset/orig/monk_0001/transp.png
diff --git a/tools/adjust.html b/tools/adjust.html
index 19109c2..f0d768f 100644
--- a/tools/adjust.html
+++ b/tools/adjust.html
@@ -258,7 +258,7 @@ document.getElementById('dl').onclick = () => {
     s(out1, "clipped_" + name1); s(out2, "clipped_" + name2);
 };
 
-const SOURCE_FILES = ['albedo.png','depth.png','matid.png','normal.png','shadow.png','source.png','target.png','transp.png'];
+const SOURCE_FILES = ['albedo.png','depth.png','matid.png','normal.png','shadow.png','source.png','transp.png'];
 
 function buildCommands() {
     if (!l1 || !l2) return null;