From ad8f6fb6cb65d6fca5018f13a512417bee43f7c0 Mon Sep 17 00:00:00 2001
From: Johannes Holke <johannes.holke@dlr.de>
Date: Fri, 25 Jul 2025 15:08:15 +0200
Subject: [PATCH 1/9] Add video for Pi computation

---
 pictures/compute_pi/.gitattributes          | 1 +
 pictures/compute_pi/ComputePiWitht8code.mp4 | 3 +++
 2 files changed, 4 insertions(+)
 create mode 100644 pictures/compute_pi/.gitattributes
 create mode 100644 pictures/compute_pi/ComputePiWitht8code.mp4

diff --git a/pictures/compute_pi/.gitattributes b/pictures/compute_pi/.gitattributes
new file mode 100644
index 0000000..f8ff2b5
--- /dev/null
+++ b/pictures/compute_pi/.gitattributes
@@ -0,0 +1 @@
+*.mp4 filter=lfs diff=lfs merge=lfs -text
diff --git a/pictures/compute_pi/ComputePiWitht8code.mp4 b/pictures/compute_pi/ComputePiWitht8code.mp4
new file mode 100644
index 0000000..b7b2f63
--- /dev/null
+++ b/pictures/compute_pi/ComputePiWitht8code.mp4
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e48745fd5ad1ce2cb4bf54160bc7ac40d78533176a99802b65c826619cbaa102
+size 2123816

From dbfbc939760803e3dc91ad893fe0898693b72d07 Mon Sep 17 00:00:00 2001
From: Johannes Holke <johannes.holke@dlr.de>
Date: Fri, 25 Jul 2025 15:12:11 +0200
Subject: [PATCH 2/9] Add paraview State for compute pi example

---
 pictures/compute_pi/compute_pi_pvstate.pvsm | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 pictures/compute_pi/compute_pi_pvstate.pvsm

diff --git a/pictures/compute_pi/compute_pi_pvstate.pvsm b/pictures/compute_pi/compute_pi_pvstate.pvsm
new file mode 100644
index 0000000..0d37997
--- /dev/null
+++ b/pictures/compute_pi/compute_pi_pvstate.pvsm
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:caf1c06db53d172fe0cc949f793f77dcea86d4e6d79a99433546cbe6ce0e7f18
+size 1043766

From f7f073a6e1cf626d5efded5ebf7485e1826c0723 Mon Sep 17 00:00:00 2001
From: Johannes Holke <johannes.holke@dlr.de>
Date: Fri, 25 Jul 2025 15:12:44 +0200
Subject: [PATCH 3/9] moved view to subfolder

---
 pictures/compute_pi/{ => video}/ComputePiWitht8code.mp4 | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename pictures/compute_pi/{ => video}/ComputePiWitht8code.mp4 (100%)

diff --git a/pictures/compute_pi/ComputePiWitht8code.mp4 b/pictures/compute_pi/video/ComputePiWitht8code.mp4
similarity index 100%
rename from pictures/compute_pi/ComputePiWitht8code.mp4
rename to pictures/compute_pi/video/ComputePiWitht8code.mp4

From 79e422eea43a4f0e2e62f05902375dcf24b77a70 Mon Sep 17 00:00:00 2001
From: Johannes Holke <johannes.holke@dlr.de>
Date: Fri, 25 Jul 2025 15:13:58 +0200
Subject: [PATCH 4/9] Add vtu files for compute pi example

---
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_0.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_0_0.vtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_1.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_10.pvtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_10_0.vtu      | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_11.pvtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_11_0.vtu      | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_12.pvtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_12_0.vtu      | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_13.pvtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_13_0.vtu      | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_1_0.vtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_2.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_2_0.vtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_3.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_3_0.vtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_4.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_4_0.vtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_5.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_5_0.vtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_6.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_6_0.vtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_7.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_7_0.vtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_8.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_8_0.vtu       | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_9.pvtu        | 3 +++
 .../vtu/t8_compute_Pi__Triangle_x_1p000000_level_9_0.vtu       | 3 +++
 28 files changed, 84 insertions(+)
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_0.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_0_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_1.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_10.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_10_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_11.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_11_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_12.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_12_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_13.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_13_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_1_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_2.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_2_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_3.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_3_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_4.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_4_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_5.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_5_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_6.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_6_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_7.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_7_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_8.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_8_0.vtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_9.pvtu
 create mode 100644 pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_9_0.vtu

diff --git a/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_0.pvtu b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_0.pvtu
new file mode 100644
index 0000000..43a133d
--- /dev/null
+++ b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_0.pvtu
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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new file mode 100644
index 0000000..ec98da0
--- /dev/null
+++ b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_0_0.vtu
@@ -0,0 +1,3 @@
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new file mode 100644
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--- /dev/null
+++ b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_1.pvtu
@@ -0,0 +1,3 @@
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new file mode 100644
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--- /dev/null
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new file mode 100644
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--- /dev/null
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new file mode 100644
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--- /dev/null
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--- /dev/null
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+version https://git-lfs.github.com/spec/v1
+oid sha256:0d1bc9aac1c5e9971f976312fdeb31d64b9ca011a26eabad20f42e7981833d47
+size 705
diff --git a/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_7_0.vtu b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_7_0.vtu
new file mode 100644
index 0000000..6950da8
--- /dev/null
+++ b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_7_0.vtu
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ccb3aa0ecd3a9d70fda5c385e2b50f814bfdf7ed44c9d2e78709abb576fa7c12
+size 41911
diff --git a/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_8.pvtu b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_8.pvtu
new file mode 100644
index 0000000..f929098
--- /dev/null
+++ b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_8.pvtu
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5f885023c5b275b28da242c69bd391142cd2e36d33b2afa7cbeaee7f3315b9fe
+size 705
diff --git a/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_8_0.vtu b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_8_0.vtu
new file mode 100644
index 0000000..74492e7
--- /dev/null
+++ b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_8_0.vtu
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f24b012e28a4157cbe4bc590efb950b92d3e4e570e7ad31c7bfb95ac57734604
+size 86646
diff --git a/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_9.pvtu b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_9.pvtu
new file mode 100644
index 0000000..b6e21bb
--- /dev/null
+++ b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_9.pvtu
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:211a9719bd11b4e3973c48a1e828d7fab98088b9693c2700b4c44a6554607bb3
+size 705
diff --git a/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_9_0.vtu b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_9_0.vtu
new file mode 100644
index 0000000..de38135
--- /dev/null
+++ b/pictures/compute_pi/vtu/t8_compute_Pi__Triangle_x_1p000000_level_9_0.vtu
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:87b5efc145a4b633b5e195b03a4e13a3b41e9832911a5c793698c0b3522a1c25
+size 179423

From 7215292896c082975bdd3c8571c165590bc1ac2a Mon Sep 17 00:00:00 2001
From: Johannes Holke <johannes.holke@dlr.de>
Date: Fri, 25 Jul 2025 15:15:06 +0200
Subject: [PATCH 5/9] Add screenshot

---
 pictures/compute_pi/ComputePi.jpeg | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 pictures/compute_pi/ComputePi.jpeg

diff --git a/pictures/compute_pi/ComputePi.jpeg b/pictures/compute_pi/ComputePi.jpeg
new file mode 100644
index 0000000..1cefc83
--- /dev/null
+++ b/pictures/compute_pi/ComputePi.jpeg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ada06bdcec74ab359f5b58491cc6c98f023a091e3246286d9ae5cd3b13322905
+size 552432

From db715e3f2fd47af8da3ea374e7e29943084b16fe Mon Sep 17 00:00:00 2001
From: Johannes Holke <johannes.holke@dlr.de>
Date: Fri, 25 Jul 2025 15:15:24 +0200
Subject: [PATCH 6/9] add readme

---
 pictures/compute_pi/README.md | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 pictures/compute_pi/README.md

diff --git a/pictures/compute_pi/README.md b/pictures/compute_pi/README.md
new file mode 100644
index 0000000..c7d2bfd
--- /dev/null
+++ b/pictures/compute_pi/README.md
@@ -0,0 +1 @@
+Compute Pi example

From ed1c38b813e2dbff85b2354f8f7af46f7e1455b1 Mon Sep 17 00:00:00 2001
From: Johannes Holke <johannes.holke@dlr.de>
Date: Fri, 25 Jul 2025 15:16:02 +0200
Subject: [PATCH 7/9] add gitattributes

---
 pictures/compute_pi/.gitattributes | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pictures/compute_pi/.gitattributes b/pictures/compute_pi/.gitattributes
index f8ff2b5..69a72f7 100644
--- a/pictures/compute_pi/.gitattributes
+++ b/pictures/compute_pi/.gitattributes
@@ -1 +1,5 @@
 *.mp4 filter=lfs diff=lfs merge=lfs -text
+*.pvsm filter=lfs diff=lfs merge=lfs -text
+*.pvtu filter=lfs diff=lfs merge=lfs -text
+*.vtu filter=lfs diff=lfs merge=lfs -text
+*.jpeg filter=lfs diff=lfs merge=lfs -text

From 4461a3b9de2030ffde1f7e6b90c432dab6965edd Mon Sep 17 00:00:00 2001
From: Johannes Holke <johannes.holke@dlr.de>
Date: Fri, 25 Jul 2025 22:50:39 +0200
Subject: [PATCH 8/9] Update README.md

---
 pictures/README.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/pictures/README.md b/pictures/README.md
index 23993c9..add033d 100644
--- a/pictures/README.md
+++ b/pictures/README.md
@@ -1 +1,18 @@
 Use this directory for large pictures
+
+- aircraft_curved_tets_gif
+
+https://github.com/DLR-AMR/t8data/blob/t8ComputePi/pictures/aircraft_curved_tets_gif/README.md
+
+A gif of a curved airplane mesh with dynamic refinement moving through the mesh.
+
+- release_2_0
+
+A mesh and pictures of a mesh modelling the text "V2.0" which we used for our 2.0 release
+
+- compute_pi
+
+VTK files, video and screenshot of a t8code example that computes Pi.
+https://github.com/DLR-AMR/t8data/blob/t8ComputePi/pictures/compute_pi/README.md
+
+

From a256afc5dd23eb62de16ff3c1a2e77f19f0da643 Mon Sep 17 00:00:00 2001
From: Johannes Holke <johannes.holke@dlr.de>
Date: Fri, 25 Jul 2025 22:56:45 +0200
Subject: [PATCH 9/9] Update README.md

---
 pictures/compute_pi/README.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/pictures/compute_pi/README.md b/pictures/compute_pi/README.md
index c7d2bfd..73cbb1d 100644
--- a/pictures/compute_pi/README.md
+++ b/pictures/compute_pi/README.md
@@ -1 +1,17 @@
 Compute Pi example
+
+With https://github.com/DLR-AMR/t8code/pull/1800 we added an example that approximates Pi to t8code.
+On Pi approximation day 2025, i.e. July 22nd, we posted a video to LinkedIn showcasing this example.
+We approximate Pi by computing the area of the unit circle. To do so we iteratively refine at the boundary of the unit circle and 
+compute the area of all triangles inside of it.
+
+<p align="center">
+  <img width="1000px" src=ComputePi.jpeg>
+</p>
+
+This data repo consists of:
+
+- The screenshot above: https://github.com/DLR-AMR/t8data/blob/t8ComputePi/pictures/compute_pi/ComputePi.jpeg
+- The video that we posted: https://github.com/DLR-AMR/t8data/tree/t8ComputePi/pictures/compute_pi/video
+- A paraview state from which we created the screenshot and video: https://github.com/DLR-AMR/t8data/blob/t8ComputePi/pictures/compute_pi/compute_pi_pvstate.pvsm
+- The paraview "pvtu" and "vtu" files that we used for the video. The paraview state uses these files: https://github.com/DLR-AMR/t8data/tree/t8ComputePi/pictures/compute_pi/vtu