Skip to content

Instantly share code, notes, and snippets.

@utaani

utaani/node-red-google-cloud-vision-ocr.json

Created February 24, 2016 05:24
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save utaani/9eee22ccdb7283ac11f7 to your computer and use it in GitHub Desktop.
Save utaani/9eee22ccdb7283ac11f7 to your computer and use it in GitHub Desktop.
Download ZIP
Google Cloud Vision OCR test
Raw
node-red-google-cloud-vision-ocr.json
[
{
"id": "b9814cc7.854288",
"type": "template",
"z": "cec74554.ecbe",
"name": "JSON template",
"field": "payloadrule",
"fieldType": "msg",
"format": "json",
"syntax": "plain",
"template": "{\n \"requests\":[\n {\n \"image\":{\n \"content\":\"base64-encoded-file-data\"\n },\n \"features\":[\n {\n \"type\":\"TEXT_DETECTION\",\n \"maxResults\":1\n }\n ],\n \"imageContext\": {\n \"languageHints\": [\n \"en\"\n ]\n }\n }\n ]\n}",
"x": 357,
"y": 382,
"wires": [
[
"75f29394.9ec6ac"
]
]
},
{
"id": "f1d904d.52a44f8",
"type": "http in",
"z": "cec74554.ecbe",
"name": "",
"url": "/gcvuploaderpost",
"method": "post",
"swaggerDoc": "",
"x": 166,
"y": 194,
"wires": [
[
"beda337a.453d58",
"11231db8.92097a"
]
]
},
{
"id": "10e643e0.6e26c4",
"type": "http response",
"z": "cec74554.ecbe",
"name": "",
"x": 746,
"y": 660,
"wires": []
},
{
"id": "beda337a.453d58",
"type": "debug",
"z": "cec74554.ecbe",
"name": "",
"active": false,
"console": "false",
"complete": "false",
"x": 430,
"y": 196.5,
"wires": []
},
{
"id": "11231db8.92097a",
"type": "function",
"z": "cec74554.ecbe",
"name": "multipart splitter (file in first part only)",
"func": "var mpart=new Buffer(msg.payload.length);\nvar bpart=new Buffer(msg.payload.length);\n\n// skip header to bpart (after \\r\\n\\r\\n)\nvar spos=0;\nfor(var i=0; i<msg.payload.length; i++) {\n mpart[i]=msg.payload.readInt8(i);\n if(mpart[i]==10 && mpart[i-1]==13 && mpart[i-2]==10 && mpart[i-3]==13) {\n spos=i+1;\n }\n}\nmpart.copy(bpart,0,spos);\n\n// drop fooder to msg.payload (before \\r\\n--)\nvar epos=0;\nfor(var i=0; i<bpart.length; i++) {\n mpart[i]=bpart.readInt8(i);\n if(mpart[i]==45 && mpart[i-1]==45 && mpart[i-2]==10 && mpart[i-3]==13) {\n epos=i-3;\n break;\n }\n}\nmsg.payload=new Buffer(epos);\nmpart.copy(msg.payload,0,0,epos);\n\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 319,
"y": 262,
"wires": [
[
"52b05767.7efdc",
"bf8997c6.b998b"
]
]
},
{
"id": "52b05767.7efdc",
"type": "debug",
"z": "cec74554.ecbe",
"name": "",
"active": false,
"console": "false",
"complete": "false",
"x": 773.5,
"y": 384,
"wires": []
},
{
"id": "30dbd84c.f0123",
"type": "http in",
"z": "cec74554.ecbe",
"name": "",
"url": "/gcvup",
"method": "get",
"swaggerDoc": "",
"x": 137,
"y": 100,
"wires": [
[
"5ddb1373.73dc84"
]
]
},
{
"id": "5ddb1373.73dc84",
"type": "template",
"z": "cec74554.ecbe",
"name": "form",
"field": "payload",
"fieldType": "msg",
"format": "html",
"syntax": "mustache",
"template": "<!DOCTYPE html>\n<html>\n<head>\n<meta name=\"viewport\" content=\"user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width;\" />\n</head>\n<body>\n<div class=\"form\">\nUpload Photo\n<form method=\"post\" action=\"gcvuploaderpost\" enctype=\"multipart/form-data\">\n<p><input type=\"file\" name=\"example5\" accept=\"image/jpeg\"></p>\n<p><input type=\"submit\"></p>\n</div>\n</form>\n</body>\n</html>",
"x": 320,
"y": 100,
"wires": [
[
"d7180415.b6842"
]
]
},
{
"id": "d7180415.b6842",
"type": "http response",
"z": "cec74554.ecbe",
"name": "",
"x": 525,
"y": 100,
"wires": []
},
{
"id": "9737bc4f.a5563",
"type": "comment",
"z": "cec74554.ecbe",
"name": "Uploader form",
"info": "",
"x": 138,
"y": 52,
"wires": []
},
{
"id": "d7af09e6.5de05",
"type": "debug",
"z": "cec74554.ecbe",
"name": "",
"active": false,
"console": "false",
"complete": "payloadrule",
"x": 794,
"y": 427,
"wires": []
},
{
"id": "75f29394.9ec6ac",
"type": "change",
"z": "cec74554.ecbe",
"name": "request body json maker",
"rules": [
{
"t": "change",
"p": "payloadrule",
"pt": "msg",
"from": "base64-encoded-file-data",
"fromt": "str",
"to": "payload",
"tot": "msg"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 387,
"y": 428,
"wires": [
[
"d7af09e6.5de05",
"22e577fa.d12da8"
]
]
},
{
"id": "2a6b9a52.d2b906",
"type": "http request",
"z": "cec74554.ecbe",
"name": "",
"method": "POST",
"ret": "obj",
"url": "",
"x": 355,
"y": 520,
"wires": [
[
"3b9e7b8c.b3ee14",
"5696f75c.63a58"
]
]
},
{
"id": "22e577fa.d12da8",
"type": "change",
"z": "cec74554.ecbe",
"name": "http request maker",
"rules": [
{
"t": "set",
"p": "payload",
"pt": "msg",
"to": "payloadrule",
"tot": "msg"
},
{
"t": "set",
"p": "url",
"pt": "msg",
"to": "https://vision.googleapis.com/v1/images:annotate\\?key=YOUR_GOOGLE_APIKey",
"tot": "str"
},
{
"t": "set",
"p": "headers",
"pt": "msg",
"to": "\"Content-Type: application/json\"",
"tot": "str"
}
],
"action": "",
"property": "",
"from": "",
"to": "",
"reg": false,
"x": 372,
"y": 474,
"wires": [
[
"2b488937.9b9246",
"2a6b9a52.d2b906"
]
]
},
{
"id": "2b488937.9b9246",
"type": "debug",
"z": "cec74554.ecbe",
"name": "",
"active": false,
"console": "false",
"complete": "true",
"x": 756,
"y": 470,
"wires": []
},
{
"id": "3b9e7b8c.b3ee14",
"type": "debug",
"z": "cec74554.ecbe",
"name": "",
"active": true,
"console": "false",
"complete": "false",
"x": 777,
"y": 516,
"wires": []
},
{
"id": "bf8997c6.b998b",
"type": "base64",
"z": "cec74554.ecbe",
"name": "",
"x": 341,
"y": 336,
"wires": [
[
"b9814cc7.854288"
]
]
},
{
"id": "22fe864f.d46c6a",
"type": "debug",
"z": "cec74554.ecbe",
"name": "",
"active": true,
"console": "false",
"complete": "payload",
"x": 759,
"y": 595,
"wires": []
},
{
"id": "5696f75c.63a58",
"type": "function",
"z": "cec74554.ecbe",
"name": "",
"func": "msg.payload = msg.payload.responses[0].textAnnotations[0].description\nreturn msg;",
"outputs": 1,
"noerr": 0,
"x": 557.5,
"y": 596.5,
"wires": [
[
"22fe864f.d46c6a",
"10e643e0.6e26c4"
]
]
},
{
"id": "a7be63d8.da6318",
"type": "comment",
"z": "cec74554.ecbe",
"name": "API post",
"info": "",
"x": 128.5,
"y": 150.5,
"wires": []
},
{
"id": "7eaa7e3c.e2ade8",
"type": "comment",
"z": "cec74554.ecbe",
"name": "check your languageHints ->",
"info": "",
"x": 129,
"y": 382,
"wires": []
},
{
"id": "952ae6c7.5810f8",
"type": "comment",
"z": "cec74554.ecbe",
"name": "check your APIkey in msg.url ->",
"info": "https://cloud.google.com/vision/docs/getting-started#setting_up_an_api_key",
"x": 135,
"y": 473,
"wires": []
}
]
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment