Merge "Move extend to canfd"
diff --git a/frc971/vision/calibration.fbs b/frc971/vision/calibration.fbs
index 64a5d3c..99b6228 100644
--- a/frc971/vision/calibration.fbs
+++ b/frc971/vision/calibration.fbs
@@ -8,7 +8,7 @@
 
 // Calibration information for a given camera on a given robot.
 table CameraCalibration {
-  // The name of the camera node which this calibration data applies to.
+  // The name of the compute node which this calibration data applies to.
   node_name:string (id: 0);
   // The team number of the robot which this calibration data applies to.
   team_number:int (id: 1);
diff --git a/y2024/constants/971.json b/y2024/constants/971.json
index 38b63d7..dbdc3d9 100644
--- a/y2024/constants/971.json
+++ b/y2024/constants/971.json
@@ -8,16 +8,16 @@
 {
   "cameras": [
     {
-      "calibration": {% include 'y2024/constants/calib_files/calibration_orin-971-1-1_cam-24-05_1970-01-05_17-40-27.793683328.json' %}
+      "calibration": {% include 'y2024/constants/calib_files/calibration_orin1-971-0_cam-24-05_2024-03-01_11-01-05.102438041.json' %}
     },
     {
-      "calibration": {% include 'y2024/constants/calib_files/calibration_orin-971-1-0_cam-24-06_1970-01-05_17-40-29.245444672.json' %}
+      "calibration": {% include 'y2024/constants/calib_files/calibration_orin1-971-1_cam-24-06_2024-03-01_11-01-20.409861949.json' %}
     },
     {
-      "calibration": {% include 'y2024/constants/calib_files/calibration_orin-971-1-0_cam-24-07_2024-02-24_19-52-27.338466592.json' %}
+      "calibration": {% include 'y2024/constants/calib_files/calibration_imu-971-0_cam-24-07_2024-03-01_11-01-32.895328333.json' %}
     },
     {
-      "calibration": {% include 'y2024/constants/calib_files/calibration_orin-971-1-0_cam-24-08_2024-02-24_16-21-54.420797344.json' %}
+      "calibration": {% include 'y2024/constants/calib_files/calibration_imu-971-1_cam-24-08_2024-03-01_11-02-11.982641320.json' %}
     }
   ],
   "robot": {
diff --git a/y2024/constants/calib_files/calibration_imu-971-0_cam-24-07_2024-03-01_11-01-32.895328333.json b/y2024/constants/calib_files/calibration_imu-971-0_cam-24-07_2024-03-01_11-01-32.895328333.json
new file mode 100755
index 0000000..d013e2a
--- /dev/null
+++ b/y2024/constants/calib_files/calibration_imu-971-0_cam-24-07_2024-03-01_11-01-32.895328333.json
@@ -0,0 +1,46 @@
+{
+ "node_name": "imu",
+ "team_number": 971,
+ "intrinsics": [
+  647.822815,
+  0.0,
+  715.37616,
+  0.0,
+  647.799316,
+  494.638641,
+  0.0,
+  0.0,
+  1.0
+ ],
+ "fixed_extrinsics": {
+  "data": [
+   1.0,
+   -0.0,
+   0.0,
+   0.111049,
+   0.0,
+   0.258819,
+   0.965926,
+   0.263806,
+   -0.0,
+   -0.965926,
+   0.258819,
+   0.347685,
+   0.0,
+   0.0,
+   0.0,
+   1.0
+  ]
+ },
+ "dist_coeffs": [
+  -0.2423,
+  0.057169,
+  0.000302,
+  0.000016,
+  -0.005638
+ ],
+ "calibration_timestamp": 1708833147338466592,
+ "camera_id": "24-07",
+ "camera_number": 0,
+ "reprojection_error": 1.362672
+}
\ No newline at end of file
diff --git a/y2024/constants/calib_files/calibration_imu-971-1_cam-24-08_2024-03-01_11-02-11.982641320.json b/y2024/constants/calib_files/calibration_imu-971-1_cam-24-08_2024-03-01_11-02-11.982641320.json
new file mode 100755
index 0000000..fbe79d5
--- /dev/null
+++ b/y2024/constants/calib_files/calibration_imu-971-1_cam-24-08_2024-03-01_11-02-11.982641320.json
@@ -0,0 +1,46 @@
+{
+ "node_name": "imu",
+ "team_number": 971,
+ "intrinsics": [
+  645.963562,
+  0.0,
+  751.21698,
+  0.0,
+  645.34906,
+  605.204102,
+  0.0,
+  0.0,
+  1.0
+ ],
+ "fixed_extrinsics": {
+  "data": [
+   0.0,
+   -0.258819,
+   -0.965926,
+   -0.323293,
+   1.0,
+   0.0,
+   -0.0,
+   0.268249,
+   0.0,
+   -0.965926,
+   0.258819,
+   0.471129,
+   0.0,
+   0.0,
+   0.0,
+   1.0
+  ]
+ },
+ "dist_coeffs": [
+  -0.248733,
+  0.06221,
+  -0.000901,
+  0.000128,
+  -0.006595
+ ],
+ "calibration_timestamp": 1708820514420797344,
+ "camera_id": "24-08",
+ "camera_number": 1,
+ "reprojection_error": 1.591953
+}
\ No newline at end of file
diff --git a/y2024/constants/calib_files/calibration_orin-971-1-0_cam-24-08_2024-02-24_16-21-54.420797344.json b/y2024/constants/calib_files/calibration_orin-971-1-0_cam-24-08_2024-02-24_16-21-54.420797344.json
index b5a848b..14d9bda 100755
--- a/y2024/constants/calib_files/calibration_orin-971-1-0_cam-24-08_2024-02-24_16-21-54.420797344.json
+++ b/y2024/constants/calib_files/calibration_orin-971-1-0_cam-24-08_2024-02-24_16-21-54.420797344.json
@@ -1,5 +1,5 @@
 {
- "node_name": "orin1",
+ "node_name": "imu",
  "team_number": 971,
  "intrinsics": [
   645.963562,
diff --git a/y2024/constants/calib_files/calibration_orin-971-1-1_cam-24-05_1970-01-05_17-40-27.793683328.json b/y2024/constants/calib_files/calibration_orin-971-1-1_cam-24-05_1970-01-05_17-40-27.793683328.json
index 9ef782e..2ac9471 100755
--- a/y2024/constants/calib_files/calibration_orin-971-1-1_cam-24-05_1970-01-05_17-40-27.793683328.json
+++ b/y2024/constants/calib_files/calibration_orin-971-1-1_cam-24-05_1970-01-05_17-40-27.793683328.json
@@ -1,5 +1,5 @@
 {
- "node_name": "orin1",
+ "node_name": "imu",
  "team_number": 971,
  "intrinsics": [
   648.360168,
diff --git a/y2024/constants/calib_files/calibration_orin1-971-0_cam-24-05_2024-03-01_11-01-05.102438041.json b/y2024/constants/calib_files/calibration_orin1-971-0_cam-24-05_2024-03-01_11-01-05.102438041.json
new file mode 100755
index 0000000..317e453
--- /dev/null
+++ b/y2024/constants/calib_files/calibration_orin1-971-0_cam-24-05_2024-03-01_11-01-05.102438041.json
@@ -0,0 +1,46 @@
+{
+ "node_name": "orin1",
+ "team_number": 971,
+ "intrinsics": [
+  648.360168,
+  0.0,
+  729.818665,
+  0.0,
+  648.210327,
+  641.988037,
+  0.0,
+  0.0,
+  1.0
+ ],
+ "fixed_extrinsics": {
+  "data": [
+   0.0,
+   0.0,
+   1.0,
+   0.284397,
+   -1.0,
+   0.0,
+   0.0,
+   0.226771,
+   0.0,
+   -1.0,
+   0.0,
+   0.442951,
+   0.0,
+   0.0,
+   0.0,
+   1.0
+  ]
+ },
+ "dist_coeffs": [
+  -0.255473,
+  0.068444,
+  0.000028,
+  -0.000078,
+  -0.008004
+ ],
+ "calibration_timestamp": 409227793683328,
+ "camera_id": "24-05",
+ "camera_number": 0,
+ "reprojection_error": 1.058851
+}
\ No newline at end of file
diff --git a/y2024/constants/calib_files/calibration_orin1-971-1_cam-24-06_2024-03-01_11-01-20.409861949.json b/y2024/constants/calib_files/calibration_orin1-971-1_cam-24-06_2024-03-01_11-01-20.409861949.json
new file mode 100755
index 0000000..0eb10db
--- /dev/null
+++ b/y2024/constants/calib_files/calibration_orin1-971-1_cam-24-06_2024-03-01_11-01-20.409861949.json
@@ -0,0 +1,46 @@
+{
+ "node_name": "orin1",
+ "team_number": 971,
+ "intrinsics": [
+  648.644104,
+  0.0,
+  755.677979,
+  0.0,
+  648.522644,
+  597.744812,
+  0.0,
+  0.0,
+  1.0
+ ],
+ "fixed_extrinsics": {
+  "data": [
+   -1.0,
+   0.0,
+   0.0,
+   0.111049,
+   -0.0,
+   -0.258819,
+   -0.965926,
+   -0.263806,
+   0.0,
+   -0.965926,
+   0.258819,
+   0.347685,
+   0.0,
+   0.0,
+   0.0,
+   1.0
+  ]
+ },
+ "dist_coeffs": [
+  -0.25182,
+  0.063137,
+  0.000118,
+  0.000005,
+  -0.006342
+ ],
+ "calibration_timestamp": 409229245444672,
+ "camera_id": "24-06",
+ "camera_number": 1,
+ "reprojection_error": 1.344104
+}
\ No newline at end of file
diff --git a/y2024/constants/test_data/calibration_cam-3.json b/y2024/constants/test_data/calibration_cam-3.json
index 01d1ac0..16e67ec 100644
--- a/y2024/constants/test_data/calibration_cam-3.json
+++ b/y2024/constants/test_data/calibration_cam-3.json
@@ -1,5 +1,5 @@
 {
-  "node_name": "orin2",
+  "node_name": "imu",
   "camera_number": 0,
   "team_number": 7971,
   "intrinsics": [
diff --git a/y2024/constants/test_data/calibration_cam-4.json b/y2024/constants/test_data/calibration_cam-4.json
index 3360781..1e5b623 100644
--- a/y2024/constants/test_data/calibration_cam-4.json
+++ b/y2024/constants/test_data/calibration_cam-4.json
@@ -1,5 +1,5 @@
 {
-  "node_name": "orin2",
+  "node_name": "imu",
   "camera_number": 1,
   "team_number": 7971,
   "intrinsics": [
diff --git a/y2024/localizer/corrections_plotter.ts b/y2024/localizer/corrections_plotter.ts
index dbfbda6..fcd56eb 100644
--- a/y2024/localizer/corrections_plotter.ts
+++ b/y2024/localizer/corrections_plotter.ts
@@ -42,7 +42,7 @@
 
   const targets = [];
   const targetLabels = [];
-  for (const orin of ['orin1', 'orin2']) {
+  for (const orin of ['orin1', 'imu']) {
     for (const camera of ['camera0', 'camera1']) {
       targetLabels.push(orin + ' ' + camera);
       targets.push(aosPlotter.addRawMessageSource(
diff --git a/y2024/localizer/localizer.cc b/y2024/localizer/localizer.cc
index 34c0bc7..441360c 100644
--- a/y2024/localizer/localizer.cc
+++ b/y2024/localizer/localizer.cc
@@ -34,8 +34,8 @@
 namespace y2024::localizer {
 namespace {
 constexpr std::array<std::string_view, Localizer::kNumCameras>
-    kDetectionChannels{"/orin1/camera0", "/orin1/camera1", "/orin2/camera0",
-                       "/orin2/camera1"};
+    kDetectionChannels{"/orin1/camera0", "/orin1/camera1", "/imu/camera0",
+                       "/imu/camera1"};
 
 size_t CameraIndexForName(std::string_view name) {
   for (size_t index = 0; index < kDetectionChannels.size(); ++index) {
diff --git a/y2024/localizer/localizer_replay.cc b/y2024/localizer/localizer_replay.cc
index 763ad36..c2c4c16 100644
--- a/y2024/localizer/localizer_replay.cc
+++ b/y2024/localizer/localizer_replay.cc
@@ -33,7 +33,7 @@
   aos::logger::LogReader reader(logfiles, &config.message());
 
   reader.RemapLoggedChannel("/localizer", "y2024.localizer.Status");
-  for (const auto orin : {"orin1", "orin2"}) {
+  for (const auto orin : {"orin1", "imu"}) {
     for (const auto camera : {"camera0", "camera1"}) {
       reader.RemapLoggedChannel(absl::StrCat("/", orin, "/", camera),
                                 "y2024.localizer.Visualization");
diff --git a/y2024/vision/BUILD b/y2024/vision/BUILD
index 4b515cf..aab6e64 100644
--- a/y2024/vision/BUILD
+++ b/y2024/vision/BUILD
@@ -115,3 +115,22 @@
         "@org_tuxfamily_eigen//:eigen",
     ],
 )
+
+cc_binary(
+    name = "modify_extrinsics",
+    srcs = [
+        "modify_extrinsics.cc",
+    ],
+    target_compatible_with = ["@platforms//os:linux"],
+    visibility = ["//y2024:__subpackages__"],
+    deps = [
+        "//aos:configuration",
+        "//aos:init",
+        "//aos/events:event_loop",
+        "//frc971/vision:calibration_fbs",
+        "//frc971/vision:vision_util_lib",
+        "//y2024/constants:constants_fbs",
+        "@com_google_absl//absl/strings:str_format",
+        "@org_tuxfamily_eigen//:eigen",
+    ],
+)
diff --git a/y2024/vision/apriltag_detector.cc b/y2024/vision/apriltag_detector.cc
index 96ff869..5edcf36 100644
--- a/y2024/vision/apriltag_detector.cc
+++ b/y2024/vision/apriltag_detector.cc
@@ -20,10 +20,12 @@
   const frc971::constants::ConstantsFetcher<y2024::Constants> calibration_data(
       &event_loop);
 
+  CHECK(FLAGS_channel.length() == 8);
+  int camera_id = std::stoi(FLAGS_channel.substr(7, 1));
   const frc971::vision::calibration::CameraCalibration *calibration =
       y2024::vision::FindCameraCalibration(
           calibration_data.constants(),
-          event_loop.node()->name()->string_view());
+          event_loop.node()->name()->string_view(), camera_id);
 
   frc971::apriltag::ApriltagDetector detector(&event_loop, FLAGS_channel,
                                               calibration);
diff --git a/y2024/vision/calibrate_multi_cameras.cc b/y2024/vision/calibrate_multi_cameras.cc
index 9148217..f743e00 100644
--- a/y2024/vision/calibrate_multi_cameras.cc
+++ b/y2024/vision/calibrate_multi_cameras.cc
@@ -31,7 +31,7 @@
             "If true, show visualization from field level, rather than above");
 DEFINE_string(config, "",
               "If set, override the log's config file with this one.");
-DEFINE_string(constants_path, "y2023/constants/constants.json",
+DEFINE_string(constants_path, "y2024/constants/constants.json",
               "Path to the constant file");
 DEFINE_double(max_pose_error, 5e-5,
               "Throw out target poses with a higher pose error than this");
@@ -64,11 +64,11 @@
 // and then map each subsequent camera based on the data collected and
 // the extrinsic poses computed here.
 
-// TODO<Jim>: Not currently using estimate from pi1->pi4-- should do full
-// estimation, and probably also include camera->imu extrinsics from all
-// cameras, not just pi1
+// TODO<Jim>: Not currently using estimate from first camera to last camera--
+// should do full estimation, and probably also include camera->imu extrinsics
+// from all cameras, not just first camera
 
-namespace y2023::vision {
+namespace y2024::vision {
 using frc971::vision::DataAdapter;
 using frc971::vision::ImageCallback;
 using frc971::vision::PoseUtils;
@@ -425,15 +425,8 @@
       aos::logger::SortParts(aos::logger::FindLogs(argc, argv)),
       config.has_value() ? &config->message() : nullptr);
 
-  constexpr size_t kNumPis = 4;
-  for (size_t i = 1; i <= kNumPis; i++) {
-    reader.RemapLoggedChannel(absl::StrFormat("/pi%u/constants", i),
-                              "y2023.Constants");
-  }
-
-  reader.RemapLoggedChannel("/imu/constants", "y2023.Constants");
-  reader.RemapLoggedChannel("/logger/constants", "y2023.Constants");
-  reader.RemapLoggedChannel("/roborio/constants", "y2023.Constants");
+  reader.RemapLoggedChannel("/imu/constants", "y2024.Constants");
+  reader.RemapLoggedChannel("/orin1/constants", "y2024.Constants");
   reader.Register();
 
   y2024::SendSimulationConstants(reader.event_loop_factory(), FLAGS_team_number,
@@ -441,10 +434,9 @@
 
   VLOG(1) << "Using target type " << FLAGS_target_type;
   std::vector<std::string> node_list;
-  node_list.push_back("pi1");
-  node_list.push_back("pi2");
-  node_list.push_back("pi3");
-  node_list.push_back("pi4");
+  node_list.push_back("orin1");
+  node_list.push_back("imu");
+  std::vector<std::string> camera_list;
   std::vector<const calibration::CameraCalibration *> calibration_list;
 
   std::vector<std::unique_ptr<aos::EventLoop>> detection_event_loops;
@@ -461,65 +453,76 @@
         reader.event_loop_factory()->MakeEventLoop(
             (node + "_detection").c_str(), pi));
 
-    frc971::constants::ConstantsFetcher<y2024::Constants> constants_fetcher(
-        detection_event_loops.back().get());
+    for (const std::string camera : {"/camera0", "/camera1"}) {
+      std::string camera_name = "/" + node + camera;
+      camera_list.push_back(camera_name);
+      frc971::constants::ConstantsFetcher<y2024::Constants> constants_fetcher(
+          detection_event_loops.back().get());
 
-    const calibration::CameraCalibration *calibration =
-        y2024::vision::FindCameraCalibration(constants_fetcher.constants(),
-                                             node);
-    calibration_list.push_back(calibration);
+      // Get the calibration for this orin/camera pair
+      int camera_id = std::stoi(camera.substr(7, 1));
+      const calibration::CameraCalibration *calibration =
+          y2024::vision::FindCameraCalibration(constants_fetcher.constants(),
+                                               node, camera_id);
+      calibration_list.push_back(calibration);
 
-    frc971::vision::TargetType target_type =
-        frc971::vision::TargetTypeFromString(FLAGS_target_type);
-    frc971::vision::CharucoExtractor *charuco_ext =
-        new frc971::vision::CharucoExtractor(calibration, target_type);
-    charuco_extractors.emplace_back(charuco_ext);
+      // Extract the extrinsics from the calibration, and save as "defaults"
+      cv::Mat extrinsics_cv =
+          frc971::vision::CameraExtrinsics(calibration).value();
+      Eigen::Matrix4d extrinsics_matrix;
+      cv::cv2eigen(extrinsics_cv, extrinsics_matrix);
+      const auto ext_H_robot_pi = Eigen::Affine3d(extrinsics_matrix);
+      default_extrinsics.emplace_back(ext_H_robot_pi);
 
-    cv::Mat extrinsics_cv =
-        frc971::vision::CameraExtrinsics(calibration).value();
-    Eigen::Matrix4d extrinsics_matrix;
-    cv::cv2eigen(extrinsics_cv, extrinsics_matrix);
-    const auto ext_H_robot_pi = Eigen::Affine3d(extrinsics_matrix);
-    default_extrinsics.emplace_back(ext_H_robot_pi);
+      VLOG(1) << "Got extrinsics for " << node << ", " << camera << " as\n"
+              << default_extrinsics.back().matrix();
 
-    VLOG(1) << "Got extrinsics for " << node << " as\n"
-            << default_extrinsics.back().matrix();
+      // If we've got full logs, we need to set up a charuco/april tag extractor
+      // nd a call back to handle the data
+      if (FLAGS_use_full_logs) {
+        frc971::vision::TargetType target_type =
+            frc971::vision::TargetTypeFromString(FLAGS_target_type);
+        frc971::vision::CharucoExtractor *charuco_ext =
+            new frc971::vision::CharucoExtractor(calibration, target_type);
+        charuco_extractors.emplace_back(charuco_ext);
 
-    if (FLAGS_use_full_logs) {
-      LOG(INFO) << "Set up image callback for node " << node_list[i];
-      frc971::vision::ImageCallback *image_callback =
-          new frc971::vision::ImageCallback(
-              detection_event_loops[i].get(), "/" + node_list[i] + "/camera",
-              [&reader, &charuco_extractors, &detection_event_loops, &node_list,
-               i](cv::Mat rgb_image,
-                  const aos::monotonic_clock::time_point eof) {
-                aos::distributed_clock::time_point pi_distributed_time =
-                    reader.event_loop_factory()
-                        ->GetNodeEventLoopFactory(
-                            detection_event_loops[i].get()->node())
-                        ->ToDistributedClock(eof);
-                HandleImage(detection_event_loops[i].get(), rgb_image, eof,
-                            pi_distributed_time, *charuco_extractors[i],
-                            node_list[i]);
-              });
+        LOG(INFO) << "Set up image callback for node " << node << ", camera "
+                  << camera;
+        frc971::vision::ImageCallback *image_callback =
+            new frc971::vision::ImageCallback(
+                detection_event_loops[i].get(), camera_name,
+                [&reader, &charuco_extractors, &detection_event_loops,
+                 &node_list, i](cv::Mat rgb_image,
+                                const aos::monotonic_clock::time_point eof) {
+                  aos::distributed_clock::time_point pi_distributed_time =
+                      reader.event_loop_factory()
+                          ->GetNodeEventLoopFactory(
+                              detection_event_loops[i].get()->node())
+                          ->ToDistributedClock(eof);
+                  HandleImage(detection_event_loops[i].get(), rgb_image, eof,
+                              pi_distributed_time, *charuco_extractors[i],
+                              node_list[i]);
+                });
 
-      image_callbacks.emplace_back(image_callback);
-    } else {
-      detection_event_loops[i]->MakeWatcher(
-          "/camera", [&reader, &detection_event_loops, &node_list,
-                      i](const TargetMap &map) {
-            aos::distributed_clock::time_point pi_distributed_time =
-                reader.event_loop_factory()
-                    ->GetNodeEventLoopFactory(detection_event_loops[i]->node())
-                    ->ToDistributedClock(aos::monotonic_clock::time_point(
-                        aos::monotonic_clock::duration(
-                            map.monotonic_timestamp_ns())));
+        image_callbacks.emplace_back(image_callback);
+      } else {
+        detection_event_loops[i]->MakeWatcher(
+            camera, [&reader, &detection_event_loops, camera_name,
+                     i](const TargetMap &map) {
+              aos::distributed_clock::time_point pi_distributed_time =
+                  reader.event_loop_factory()
+                      ->GetNodeEventLoopFactory(
+                          detection_event_loops[i]->node())
+                      ->ToDistributedClock(aos::monotonic_clock::time_point(
+                          aos::monotonic_clock::duration(
+                              map.monotonic_timestamp_ns())));
 
-            HandleTargetMap(map, pi_distributed_time, node_list[i]);
-          });
-      LOG(INFO) << "Created watcher for using the detection event loop for "
-                << node_list[i] << " with i = " << i << " and size "
-                << detection_event_loops.size();
+              HandleTargetMap(map, pi_distributed_time, camera_name);
+            });
+        LOG(INFO) << "Created watcher for using the detection event loop for "
+                  << node << " with i = " << i << " and size "
+                  << detection_event_loops.size() << " and camera " << camera;
+      }
     }
   }
 
@@ -531,17 +534,17 @@
       << "Must have at least one view of both boards";
   int base_target_id = two_board_extrinsics_list[0].board_id;
   VLOG(1) << "Base id for two_board_extrinsics_list is " << base_target_id;
-  for (auto node : node_list) {
+  for (auto camera : camera_list) {
     std::vector<TimestampedPiDetection> pose_list;
     for (auto ext : two_board_extrinsics_list) {
       CHECK_EQ(base_target_id, ext.board_id)
           << " All boards should have same reference id";
-      if (ext.pi_name == node) {
+      if (ext.pi_name == camera) {
         pose_list.push_back(ext);
       }
     }
     Eigen::Affine3d avg_pose_from_pi = ComputeAveragePose(pose_list);
-    VLOG(1) << "Estimate from " << node << " with " << pose_list.size()
+    VLOG(1) << "Estimate from " << camera << " with " << pose_list.size()
             << " observations is:\n"
             << avg_pose_from_pi.matrix();
   }
@@ -558,14 +561,14 @@
   std::vector<Eigen::Affine3d> updated_extrinsics;
   // Use the first node's extrinsics as our base, and fix from there
   updated_extrinsics.push_back(default_extrinsics[0]);
-  LOG(INFO) << "Default extrinsic for node " << node_list[0] << " is "
+  LOG(INFO) << "Default extrinsic for camera " << camera_list[0] << " is "
             << default_extrinsics[0].matrix();
-  for (uint i = 0; i < node_list.size() - 1; i++) {
+  for (uint i = 0; i < camera_list.size() - 1; i++) {
     H_camera1_camera2_list.clear();
     // Go through the list, and find successive pairs of cameras
     for (auto [pose1, pose2] : detection_list) {
-      if ((pose1.pi_name == node_list[i]) &&
-          (pose2.pi_name == node_list[i + 1])) {
+      if ((pose1.pi_name == camera_list[i]) &&
+          (pose2.pi_name == camera_list[i + 1])) {
         Eigen::Affine3d H_camera1_boardA = pose1.H_camera_target;
         // If pose1 isn't referenced to base_target_id, correct that
         if (pose1.board_id != base_target_id) {
@@ -613,11 +616,11 @@
     // TODO<Jim>: If we don't get any matches, we could just use default
     // extrinsics
     CHECK(H_camera1_camera2_list.size() > 0)
-        << "Failed with zero poses for node " << node_list[i];
+        << "Failed with zero poses for node " << camera_list[i];
     if (H_camera1_camera2_list.size() > 0) {
       Eigen::Affine3d H_camera1_camera2_avg =
           ComputeAveragePose(H_camera1_camera2_list);
-      LOG(INFO) << "From " << node_list[i] << " to " << node_list[i + 1]
+      LOG(INFO) << "From " << camera_list[i] << " to " << camera_list[i + 1]
                 << " found " << H_camera1_camera2_list.size()
                 << " observations, and the average pose is:\n"
                 << H_camera1_camera2_avg.matrix();
@@ -640,9 +643,10 @@
       Eigen::Affine3d next_extrinsic =
           updated_extrinsics.back() * H_camera1_camera2_avg;
       updated_extrinsics.push_back(next_extrinsic);
-      LOG(INFO) << "Default Extrinsic for " << node_list[i + 1] << " is \n"
+      LOG(INFO) << "Default Extrinsic for " << camera_list[i + 1] << " is \n"
                 << default_extrinsics[i + 1].matrix();
-      LOG(INFO) << "--> Updated Extrinsic for " << node_list[i + 1] << " is \n"
+      LOG(INFO) << "--> Updated Extrinsic for " << camera_list[i + 1]
+                << " is \n"
                 << next_extrinsic.matrix();
 
       // Wirte out this extrinsic to a file
@@ -677,11 +681,14 @@
       std::stringstream time_ss;
       time_ss << realtime_now;
 
-      // Assumes node_list name is of form "pi#" to create camera id
+      // TODO: This breaks because we're naming orin1 and imu as nodes
+      // Assumes camera_list name is of form "/orin#/cameraX" to create
+      // calibration filename
       const std::string calibration_filename =
           FLAGS_output_folder +
-          absl::StrFormat("/calibration_pi-%d-%s_cam-%s_%s.json",
-                          FLAGS_team_number, node_list[i + 1].substr(2, 3),
+          absl::StrFormat("/calibration_orin-%d-%s-%d_cam-%s_%s.json",
+                          FLAGS_team_number, camera_list[i + 1].substr(5, 1),
+                          calibration_list[i + 1]->camera_number(),
                           calibration_list[i + 1]->camera_id()->data(),
                           time_ss.str());
 
@@ -701,9 +708,9 @@
     delete image_callbacks[i];
   }
 }
-}  // namespace y2023::vision
+}  // namespace y2024::vision
 
 int main(int argc, char **argv) {
   aos::InitGoogle(&argc, &argv);
-  y2023::vision::ExtrinsicsMain(argc, argv);
+  y2024::vision::ExtrinsicsMain(argc, argv);
 }
diff --git a/y2024/vision/modify_extrinsics.cc b/y2024/vision/modify_extrinsics.cc
new file mode 100644
index 0000000..9122191
--- /dev/null
+++ b/y2024/vision/modify_extrinsics.cc
@@ -0,0 +1,189 @@
+#include <cmath>
+#include <filesystem>
+#include <regex>
+
+#include "Eigen/Dense"
+#include "Eigen/Geometry"
+#include "absl/strings/str_format.h"
+
+#include "aos/configuration.h"
+#include "aos/events/event_loop.h"
+#include "aos/flatbuffer_merge.h"
+#include "aos/init.h"
+#include "aos/network/team_number.h"
+#include "aos/time/time.h"
+#include "aos/util/file.h"
+#include "frc971/vision/calibration_generated.h"
+
+// This is a helper program to build and rename calibration files
+// You can:
+// (1) pass it in a new set of orin #, team #, camera #, to rename the file
+// (2) Pass in extrinsics to set the extrinsics
+// By default, writes to /tmp, but will write to calib_files folder if
+// full path is given and calibration_folder is blank
+
+DEFINE_string(orig_calib_file, "",
+              "Intrinsics to use for estimating board pose prior to solving "
+              "for the new intrinsics.");
+DEFINE_string(calibration_folder, "/tmp", "Folder to place calibration files.");
+DEFINE_string(node_name, "",
+              "Node name to use, e.g. orin1, imu; unchanged if blank");
+DEFINE_int32(team_number, -1, "Team number to use; unchanged if -1");
+DEFINE_int32(camera_number, -1, "Camera number to use; unchanged if -1");
+
+DEFINE_bool(set_extrinsics, true, "Set to false to ignore extrinsic data");
+DEFINE_bool(use_inches, true,
+            "Whether to use inches as units (meters if false)");
+DEFINE_bool(use_degrees, true,
+            "Whether to use degrees as units (radians if false)");
+DEFINE_double(camera_x, 0.0, "x location of camera");
+DEFINE_double(camera_y, 0.0, "y location of camera");
+DEFINE_double(camera_z, 0.0, "z location of camera");
+// Don't currently allow for roll of cameras
+DEFINE_double(camera_yaw, 0.0, "yaw of camera about robot z axis");
+DEFINE_double(camera_pitch, 0.0, "pitch of camera relative to robot y axis");
+// TODO: This could be done by setting the pixel size and using the intrinsics
+DEFINE_double(focal_length, 0.002, "Focal length in meters");
+
+namespace frc971::vision {
+namespace {
+
+// TODO: Put this in vision_util_lib?  Except, it depends on Eigen
+std::vector<float> MatrixToVector(const Eigen::Matrix<double, 4, 4> &H) {
+  std::vector<float> data;
+  for (int row = 0; row < 4; ++row) {
+    for (int col = 0; col < 4; ++col) {
+      data.push_back(H(row, col));
+    }
+  }
+  return data;
+}
+
+// Merge the original calibration file with all its changes
+aos::FlatbufferDetachedBuffer<calibration::CameraCalibration> BuildCalibration(
+    const frc971::vision::calibration::CameraCalibration *calibration,
+    std::string node_name, uint16_t camera_number, uint16_t team_number) {
+  aos::FlatbufferDetachedBuffer<frc971::vision::calibration::CameraCalibration>
+      cal_copy = aos::RecursiveCopyFlatBuffer(calibration);
+
+  flatbuffers::FlatBufferBuilder fbb;
+  flatbuffers::Offset<flatbuffers::String> node_name_offset =
+      fbb.CreateString(absl::StrFormat("%s", node_name.c_str()));
+
+  // If we're told to set the extrinsics, clear old and add in new
+  flatbuffers::Offset<calibration::TransformationMatrix>
+      fixed_extrinsics_offset;
+  if (FLAGS_set_extrinsics) {
+    cal_copy.mutable_message()->clear_fixed_extrinsics();
+    Eigen::Affine3d extrinsic_matrix;
+    // Convert to metric
+    double translation_scale = (FLAGS_use_inches ? 0.0254 : 1.0);
+    Eigen::Translation3d translation(FLAGS_camera_x * translation_scale,
+                                     FLAGS_camera_y * translation_scale,
+                                     FLAGS_camera_z * translation_scale);
+
+    // convert to radians
+    double angle_scale = (FLAGS_use_degrees ? M_PI / 180.0 : 1.0);
+    // The rotation that takes robot coordinates (x forward, z up) to camera
+    // coordiantes (z forward, x right)
+    Eigen::Quaterniond R_robo_cam =
+        Eigen::AngleAxisd(-M_PI / 2.0, Eigen::Vector3d::UnitZ()) *
+        Eigen::AngleAxisd(-M_PI / 2.0, Eigen::Vector3d::UnitX());
+    Eigen::AngleAxisd pitchAngle(FLAGS_camera_pitch * angle_scale,
+                                 Eigen::Vector3d::UnitY());
+    Eigen::AngleAxisd yawAngle(FLAGS_camera_yaw * angle_scale,
+                               Eigen::Vector3d::UnitZ());
+
+    Eigen::Quaterniond rotation = yawAngle * pitchAngle * R_robo_cam;
+    Eigen::Vector3d focal_length_offset =
+        (rotation * Eigen::Translation3d(0.0, 0.0, FLAGS_focal_length))
+            .translation();
+    translation = translation * Eigen::Translation3d(focal_length_offset);
+
+    extrinsic_matrix = translation * rotation;
+    flatbuffers::Offset<flatbuffers::Vector<float>> data_offset =
+        fbb.CreateVector(
+            frc971::vision::MatrixToVector(extrinsic_matrix.matrix()));
+    calibration::TransformationMatrix::Builder matrix_builder(fbb);
+    matrix_builder.add_data(data_offset);
+    fixed_extrinsics_offset = matrix_builder.Finish();
+  }
+
+  calibration::CameraCalibration::Builder camera_calibration_builder(fbb);
+  camera_calibration_builder.add_node_name(node_name_offset);
+  camera_calibration_builder.add_team_number(team_number);
+  if (FLAGS_set_extrinsics) {
+    camera_calibration_builder.add_fixed_extrinsics(fixed_extrinsics_offset);
+  }
+  camera_calibration_builder.add_camera_number(camera_number);
+  fbb.Finish(camera_calibration_builder.Finish());
+
+  aos::FlatbufferDetachedBuffer<calibration::CameraCalibration> updated_cal =
+      fbb.Release();
+
+  aos::FlatbufferDetachedBuffer<calibration::CameraCalibration>
+      merged_calibration =
+          aos::MergeFlatBuffers(&cal_copy.message(), &updated_cal.message());
+  return merged_calibration;
+}
+
+void Main(std::string orig_calib_filename) {
+  LOG(INFO) << "Reading from file: " << orig_calib_filename;
+  aos::FlatbufferDetachedBuffer<calibration::CameraCalibration>
+      base_calibration =
+          aos::JsonFileToFlatbuffer<calibration::CameraCalibration>(
+              orig_calib_filename);
+
+  // Populate the new variables from command-line or from base_calibration
+  std::string node_name =
+      (FLAGS_node_name == "" ? base_calibration.message().node_name()->str()
+                             : FLAGS_node_name);
+  int team_number =
+      (FLAGS_team_number == -1 ? base_calibration.message().team_number()
+                               : FLAGS_team_number);
+  int camera_number =
+      (FLAGS_camera_number == -1 ? base_calibration.message().camera_number()
+                                 : FLAGS_camera_number);
+  aos::FlatbufferDetachedBuffer<calibration::CameraCalibration>
+      new_calibration = BuildCalibration(&base_calibration.message(), node_name,
+                                         camera_number, team_number);
+
+  // Set a new timestamp on the file, but leave calibration_timestamp unchanged
+  const aos::realtime_clock::time_point realtime_now =
+      aos::realtime_clock::now();
+  std::stringstream time_ss;
+  time_ss << realtime_now;
+  // Use the camera_id that is set in the json file (not the filename)
+  std::string camera_id = base_calibration.message().camera_id()->str();
+
+  const std::string dirname =
+      (FLAGS_calibration_folder == ""
+           ? std::filesystem::path(orig_calib_filename).parent_path().string()
+           : FLAGS_calibration_folder);
+  const std::string new_calib_filename =
+      dirname + "/" +
+      absl::StrFormat("calibration_%s-%d-%d_cam-%s_%s.json", node_name.c_str(),
+                      team_number, camera_number, camera_id.c_str(),
+                      time_ss.str());
+
+  VLOG(1) << "From: " << orig_calib_filename << " -> "
+          << aos::FlatbufferToJson(base_calibration, {.multi_line = true});
+
+  VLOG(1) << "Writing: " << new_calib_filename << " -> "
+          << aos::FlatbufferToJson(new_calibration, {.multi_line = true});
+
+  LOG(INFO) << "Writing to file: " << new_calib_filename;
+  aos::util::WriteStringToFileOrDie(
+      new_calib_filename,
+      aos::FlatbufferToJson(new_calibration, {.multi_line = true}));
+}
+
+}  // namespace
+}  // namespace frc971::vision
+
+int main(int argc, char **argv) {
+  aos::InitGoogle(&argc, &argv);
+  CHECK(argc == 2) << "Must supply a starting calibration filename";
+  std::string filename = argv[1];
+  frc971::vision::Main(filename);
+}
diff --git a/y2024/vision/viewer.cc b/y2024/vision/viewer.cc
index 6f83ec2..d5ada14 100644
--- a/y2024/vision/viewer.cc
+++ b/y2024/vision/viewer.cc
@@ -85,8 +85,11 @@
 
   frc971::constants::ConstantsFetcher<y2024::Constants> constants_fetcher(
       &event_loop);
+  CHECK(FLAGS_channel.length() == 8);
+  int camera_id = std::stoi(FLAGS_channel.substr(7, 1));
   const auto *calibration_data = FindCameraCalibration(
-      constants_fetcher.constants(), event_loop.node()->name()->string_view());
+      constants_fetcher.constants(), event_loop.node()->name()->string_view(),
+      camera_id);
   const cv::Mat intrinsics = frc971::vision::CameraIntrinsics(calibration_data);
   const cv::Mat dist_coeffs =
       frc971::vision::CameraDistCoeffs(calibration_data);
diff --git a/y2024/vision/vision_util.cc b/y2024/vision/vision_util.cc
index 4c196ce..6acd234 100644
--- a/y2024/vision/vision_util.cc
+++ b/y2024/vision/vision_util.cc
@@ -5,17 +5,20 @@
 namespace y2024::vision {
 
 const frc971::vision::calibration::CameraCalibration *FindCameraCalibration(
-    const y2024::Constants &calibration_data, std::string_view node_name) {
+    const y2024::Constants &calibration_data, std::string_view node_name,
+    int camera_number) {
   CHECK(calibration_data.has_cameras());
   for (const y2024::CameraConfiguration *candidate :
        *calibration_data.cameras()) {
     CHECK(candidate->has_calibration());
-    if (candidate->calibration()->node_name()->string_view() != node_name) {
+    if (candidate->calibration()->node_name()->string_view() != node_name ||
+        candidate->calibration()->camera_number() != camera_number) {
       continue;
     }
     return candidate->calibration();
   }
-  LOG(FATAL) << ": Failed to find camera calibration for " << node_name;
+  LOG(FATAL) << ": Failed to find camera calibration for " << node_name
+             << " and camera number " << camera_number;
 }
 
 }  // namespace y2024::vision
diff --git a/y2024/vision/vision_util.h b/y2024/vision/vision_util.h
index d8fa562..c903760 100644
--- a/y2024/vision/vision_util.h
+++ b/y2024/vision/vision_util.h
@@ -9,7 +9,8 @@
 namespace y2024::vision {
 
 const frc971::vision::calibration::CameraCalibration *FindCameraCalibration(
-    const y2024::Constants &calibration_data, std::string_view node_name);
+    const y2024::Constants &calibration_data, std::string_view node_name,
+    int camera_number);
 
 }  // namespace y2024::vision
 
diff --git a/y2024/y2024_imu.json b/y2024/y2024_imu.json
index 6ab6c03..155edb4 100644
--- a/y2024/y2024_imu.json
+++ b/y2024/y2024_imu.json
@@ -171,7 +171,7 @@
       "max_size": 200
     },
     {
-      "name": "/orin2/camera0",
+      "name": "/imu/camera0",
       "type": "frc971.vision.CameraImage",
       "source_node": "imu",
       "channel_storage_duration": 1000000000,
@@ -182,7 +182,7 @@
       "num_senders": 18
     },
     {
-      "name": "/orin2/camera1",
+      "name": "/imu/camera1",
       "type": "frc971.vision.CameraImage",
       "source_node": "imu",
       "channel_storage_duration": 1000000000,
@@ -193,7 +193,7 @@
       "num_senders": 18
     },
     {
-      "name": "/orin2/camera0",
+      "name": "/imu/camera0",
       "type": "foxglove.CompressedImage",
       "source_node": "imu",
       "logger": "NOT_LOGGED",
@@ -202,7 +202,7 @@
       "max_size": 622384
     },
     {
-      "name": "/orin2/camera1",
+      "name": "/imu/camera1",
       "type": "foxglove.CompressedImage",
       "source_node": "imu",
       "logger": "NOT_LOGGED",
@@ -211,35 +211,35 @@
       "max_size": 622384
     },
     {
-      "name": "/orin2/camera0",
+      "name": "/imu/camera0",
       "type": "foxglove.ImageAnnotations",
       "source_node": "imu",
       "frequency": 65,
       "max_size": 50000
     },
     {
-      "name": "/orin2/camera1",
+      "name": "/imu/camera1",
       "type": "foxglove.ImageAnnotations",
       "source_node": "imu",
       "frequency": 65,
       "max_size": 50000
     },
     {
-      "name": "/orin2/camera0",
+      "name": "/imu/camera0",
       "type": "y2024.localizer.Visualization",
       "source_node": "imu",
       "frequency": 65,
       "max_size": 50000
     },
     {
-      "name": "/orin2/camera1",
+      "name": "/imu/camera1",
       "type": "y2024.localizer.Visualization",
       "source_node": "imu",
       "frequency": 65,
       "max_size": 50000
     },
     {
-      "name": "/orin2/camera0",
+      "name": "/imu/camera0",
       "type": "frc971.vision.TargetMap",
       "source_node": "imu",
       "frequency": 65,
@@ -247,7 +247,7 @@
       "max_size": 1024
     },
     {
-      "name": "/orin2/camera1",
+      "name": "/imu/camera1",
       "type": "frc971.vision.TargetMap",
       "source_node": "imu",
       "frequency": 65,
@@ -550,7 +550,7 @@
         "source_node": "imu"
       },
       "rename": {
-        "name": "/orin2/camera"
+        "name": "/imu/camera"
       }
     }
   ],