Updated shader and fixed PNG output

shaders/fisheye-equirectangular-mirror/shader.json

@@ -1,7 +1,7 @@
 {
   "id": "fisheye-equirectangular-mirror",
   "name": "Fisheye Equirectangular Mirror",
-  "description": "Unwraps a single fisheye lens into a 360x180 equirectangular map by mirroring the rear hemisphere into the same fisheye source.",
+  "description": "Unwraps a single width-filled 16:9 fisheye lens into a 360x180 equirectangular map by mirroring the rear hemisphere into the same fisheye source.",
   "category": "Projection",
   "entryPoint": "shadeVideo",
   "parameters": [
@@ -9,7 +9,7 @@
       "id": "lensFovDegrees",
       "label": "Lens FOV",
       "type": "float",
-      "default": 180.0,
+      "default": 190.0,
       "min": 1.0,
       "max": 220.0,
       "step": 0.1
@@ -27,7 +27,7 @@
       "id": "radius",
       "label": "Fisheye Radius",
       "type": "vec2",
-      "default": [0.5, 0.5],
+      "default": [0.5, 0.8889],
       "min": [0.001, 0.001],
       "max": [2.0, 2.0],
       "step": [0.001, 0.001]
@@ -59,15 +59,6 @@
       "max": 180.0,
       "step": 0.1
     },
-    {
-      "id": "seamAngleDegrees",
-      "label": "Seam Angle",
-      "type": "float",
-      "default": 0.0,
-      "min": -180.0,
-      "max": 180.0,
-      "step": 0.1
-    },
     {
       "id": "fisheyeModel",
       "label": "Fisheye Model",
@@ -80,6 +71,24 @@
         { "value": "orthographic", "label": "Orthographic" }
       ]
     },
+    {
+      "id": "edgeFill",
+      "label": "Edge Fill",
+      "type": "float",
+      "default": 0.06,
+      "min": 0.0,
+      "max": 0.3,
+      "step": 0.001
+    },
+    {
+      "id": "edgeBlur",
+      "label": "Edge Blur",
+      "type": "float",
+      "default": 0.018,
+      "min": 0.0,
+      "max": 0.12,
+      "step": 0.001
+    },
     {
       "id": "outsideColor",
       "label": "Outside Color",