Fish eye correction

2026-05-03 12:19:45 +10:00
parent 254d4cd070
commit 902f46774f
2 changed files with 195 additions and 0 deletions
--- a/shaders/fisheye-reproject/shader.json
+++ b/shaders/fisheye-reproject/shader.json
@@ -0,0 +1,100 @@
+{
+  "id": "fisheye-reproject",
+  "name": "Fisheye Reproject",
+  "description": "Inverse-projects a cropped fisheye source into a virtual rectilinear or cylindrical camera view with pan, tilt, and roll controls.",
+  "category": "Projection",
+  "entryPoint": "shadeVideo",
+  "parameters": [
+    {
+      "id": "lensFovDegrees",
+      "label": "Lens FOV",
+      "type": "float",
+      "default": 190.0,
+      "min": 1.0,
+      "max": 220.0,
+      "step": 0.1
+    },
+    {
+      "id": "center",
+      "label": "Optical Center",
+      "type": "vec2",
+      "default": [0.5, 0.5],
+      "min": [0.0, 0.0],
+      "max": [1.0, 1.0],
+      "step": [0.001, 0.001]
+    },
+    {
+      "id": "radius",
+      "label": "Fisheye Radius",
+      "type": "vec2",
+      "default": [0.5, 0.885],
+      "min": [0.001, 0.001],
+      "max": [2.0, 2.0],
+      "step": [0.001, 0.001]
+    },
+    {
+      "id": "virtualFovDegrees",
+      "label": "Virtual FOV",
+      "type": "float",
+      "default": 75.0,
+      "min": 1.0,
+      "max": 175.0,
+      "step": 0.1
+    },
+    {
+      "id": "panDegrees",
+      "label": "Pan",
+      "type": "float",
+      "default": 0.0,
+      "min": -180.0,
+      "max": 180.0,
+      "step": 0.1
+    },
+    {
+      "id": "tiltDegrees",
+      "label": "Tilt",
+      "type": "float",
+      "default": 0.0,
+      "min": -120.0,
+      "max": 120.0,
+      "step": 0.1
+    },
+    {
+      "id": "rollDegrees",
+      "label": "Roll",
+      "type": "float",
+      "default": 0.0,
+      "min": -180.0,
+      "max": 180.0,
+      "step": 0.1
+    },
+    {
+      "id": "fisheyeModel",
+      "label": "Fisheye Model",
+      "type": "enum",
+      "default": "equidistant",
+      "options": [
+        { "value": "equidistant", "label": "Equidistant" },
+        { "value": "equisolid", "label": "Equisolid" },
+        { "value": "stereographic", "label": "Stereographic" },
+        { "value": "orthographic", "label": "Orthographic" }
+      ]
+    },
+    {
+      "id": "outputProjection",
+      "label": "Output Projection",
+      "type": "enum",
+      "default": "rectilinear",
+      "options": [
+        { "value": "rectilinear", "label": "Rectilinear" },
+        { "value": "cylindrical", "label": "Cylindrical" }
+      ]
+    },
+    {
+      "id": "outsideColor",
+      "label": "Outside Color",
+      "type": "color",
+      "default": [0.0, 0.0, 0.0, 1.0]
+    }
+  ]
+}