50 lines
1.3 KiB
Plaintext
50 lines
1.3 KiB
Plaintext
{
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"name": "edge_detect_1",
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"node_position": {
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"x": 0,
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"y": 0
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},
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"parameters": {
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"size": 6
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},
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"shader_model": {
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"code": "",
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"global": "",
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"inputs": [
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{
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"default": "vec3(0.0)",
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"function": true,
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"label": "",
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"longdesc": "The input image",
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"name": "in",
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"shortdesc": "Input",
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"type": "rgb"
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}
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],
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"instance": "float $(name)_fct(vec2 uv) {\n\tvec3 e = vec3(1.0/$size, -1.0/$size, 0);\n\tvec3 rv = 8.0*$in(uv);\n\trv -= $in(uv+e.xy);\n\trv -= $in(uv-e.xy);\n\trv -= $in(uv+e.xx);\n\trv -= $in(uv-e.xx);\n\trv -= $in(uv+e.xz);\n\trv -= $in(uv-e.xz);\n\trv -= $in(uv+e.zx);\n\trv -= $in(uv-e.zx);\n\trv = abs(rv);\n\treturn max(rv.x, max(rv.y ,rv.z))*$size;\n}",
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"longdesc": "An edge detect filter that detects edges along all directions and draws them in white on a black background",
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"name": "Edge detect 1",
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"outputs": [
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{
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"f": "clamp($(name)_fct($uv), 0.0, 1.0)",
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"longdesc": "Shows the generated outlines",
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"shortdesc": "Output",
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"type": "f"
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}
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],
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"parameters": [
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{
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"default": 9,
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"first": 4,
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"label": "Size",
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"last": 12,
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"longdesc": "The resolution of the input image",
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"name": "size",
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"shortdesc": "Size",
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"type": "size"
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}
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],
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"shortdesc": "Edge detect"
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},
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"type": "shader"
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} |