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Progress for this repo is moving to the Nexview organization.

Home Page: https://github.com/Nexview

License: MIT License

CoffeeScript 98.64% HTML 1.36%
nexrad radar radar-processing wsr-88d weather noaa nws graphic-alphanumeric-data symbology-data binary-decoding

nexrad.js's Introduction

nexrad.js v1.1.1

A JavaScript processor for WSR-88D NEXRAD radar data.

To install, run npm install; bower install.

Start the server by renaming config.default.json to config.json and running npm start.

v1.0.0 has been deprecated and will be removed in v2.0.0.

Nexrad

Description Data

Returns all processed description blocks

POST /v1.1/nexrad/description

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "description": {
        "divider": -1,
        "latitude": 35.333,
        "tabularoffset": "0"
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

Graphic Alphanumeric Data

Returns all processed graphic alphanumeric blocks

POST /v1.1/nexrad/graphic_alpha

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "graphic_alpha": {
        "divider": 27,
        "blockid": "15846",
        "pages": {
            "1": {
                "data": {
                    "messages": {
                        "1": {
                            "text_color": "0",
                            "pos_i": 0,
                            "message": " CIR STMID  10    M0 992    Y1 439    U0  12    M0 402    N1 824    A1          "
                        }
                    }
                },
                "vectors": {
                    "1": {
                        "pos_i_begin": 4,
                        "pos_j_begin": 0,
                        "pos_j_end": 0
                    },
                    "color": "3"
                }
            },
            "number": "1",
            "length": "574"
        }
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

Header Data

Returns all processed header blocks

POST /v1.1/nexrad/headers

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "headers": {
        "code": "27",
        "date": "2012-06-19T17:00:00.000Z",
        "numberOfBlocks": "3"
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

All Radial Data

Returns all processed radial blocks

POST /v1.1/nexrad/radial

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "headers": {
        "code": "27",
        "date": "2012-06-19T17:00:00.000Z",
        "numberOfBlocks": "3"
    },
    "description": {
        "divider": -1,
        "latitude": 35.333,
        "tabularoffset": "0"
    },
    "symbology": {
        "divider": "65535",
        "blockid": "1",
        "radial": {
            "0": {
                "colorValues": [
                    "0",
                    "0",
                    "0"
                ],
                "numOfRLE": "19",
                "angledelta": 0.9,
                "startangle": 136.1
            }
        }
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

Symbology Data (Raster)

Returns all processed symbology blocks

POST /v1.1/nexrad/symbology

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "symbology": {
        "divider": "65535",
        "blockid": "1",
        "row": {
            "1": {
                "data": [
                    "14",
                    "14",
                    "6"
                ],
                "bytes": "12591"
            }
        }
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

Symbology Data (Radial)

Returns all processed symbology blocks

POST /v1.1/nexrad/symbology/radial

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "symbology": {
        "divider": "65535",
        "blockid": "1",
        "radial": {
            "0": {
                "colorValues": [
                    "0",
                    "0",
                    "0"
                ],
                "numOfRLE": "19",
                "angledelta": 0.9,
                "startangle": 136.1
            }
        }
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

Radial

All Data (Deprecated)

Returns all processed data

POST /v1/nexrad/radial

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "headers": {
        "code": "27",
        "date": "2012-06-19T17:00:00.000Z",
        "numberOfBlocks": "3"
    },
    "description": {
        "divider": -1,
        "latitude": 35.333,
        "tabularoffset": "0"
    },
    "symbology": {
        "divider": "65535",
        "blockid": "1",
        "radial": {
            "0": {
                "colorValues": [
                    "0",
                    "0",
                    "0"
                ],
                "numOfRLE": "19",
                "angledelta": 0.9,
                "startangle": 136.1
            }
        }
    },
    "graphic_alpha": {
        "divider": 27,
        "blockid": "15846",
        "pages": {
            "1": {
                "data": {
                    "messages": {
                        "1": {
                            "text_color": "0",
                            "pos_i": 0,
                            "message": " CIR STMID  10    M0 992    Y1 439    U0  12    M0 402    N1 824    A1          "
                        }
                    }
                },
                "vectors": {
                    "1": {
                        "pos_i_begin": 4,
                        "pos_j_begin": 0,
                        "pos_j_end": 0
                    },
                    "color": "3"
                }
            },
            "number": "1",
            "length": "574"
        }
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

Description Data (Deprecated)

Returns all processed description blocks

POST /v1/nexrad/radial/description

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "description": {
        "divider": -1,
        "latitude": 35.333,
        "tabularoffset": "0"
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

Graphic Alphanumeric Data (Deprecated)

Returns all processed graphic alphanumeric blocks

POST /v1/nexrad/radial/graphic_alpha

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "graphic_alpha": {
        "divider": 27,
        "blockid": "15846",
        "pages": {
            "1": {
                "data": {
                    "messages": {
                        "1": {
                            "text_color": "0",
                            "pos_i": 0,
                            "message": " CIR STMID  10    M0 992    Y1 439    U0  12    M0 402    N1 824    A1          "
                        }
                    }
                },
                "vectors": {
                    "1": {
                        "pos_i_begin": 4,
                        "pos_j_begin": 0,
                        "pos_j_end": 0
                    },
                    "color": "3"
                }
            },
            "number": "1",
            "length": "574"
        }
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

Header Data (Deprecated)

Returns all processed header blocks

POST /v1/nexrad/radial/headers

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "headers": {
        "code": "27",
        "date": "2012-06-19T17:00:00.000Z",
        "numberOfBlocks": "3"
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

Symbology Data (Deprecated)

Returns all processed symbology blocks

POST /v1/nexrad/radial/symbology

Parameters

Name Type Description
file Binary NEXRAD-specific binary data file

Success Response

Success Response:

HTTP/1.1 200 OK
{
    "symbology": {
        "divider": "65535",
        "blockid": "1",
        "radial": {
            "0": {
                "colorValues": [
                    "0",
                    "0",
                    "0"
                ],
                "numOfRLE": "19",
                "angledelta": 0.9,
                "startangle": 136.1
            }
        }
    }
}

Error Response

Error Response:

HTTP/1.1 4xx
{
    "status": "4xx",
    "error": "Error description"
}

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nexrad.js's Issues

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