設置Raster對象的RPC（Rational Polynomial Coefficients）參數信息。

語法

raster ST_SetRPCGeoreference(raster raster_obj, text rpc_json)

參數

參數名稱 描述
raster_obj Raster對象。
rpc_json JSON格式的RPC描述信息。

描述

支持的RPC參數如下：

參數名稱 描述 類型
lineOff 線偏移 float
sampOff 采樣偏移 float
latOff 緯度偏移 float
longOff 經度偏移 float
heightOff 高程偏移 float
lineScale 線比例 float
sampScale 采樣比例 float
latScale 緯度比例 float
longScale 經度比例 float
heightScale 高程比例 float
lineDenCoeff 線分母系數（20個） float array
lineNumCoeff 線分子系數（20個） float array
sampNumCoeff 采樣分子系數（20個） float array
sampDenCoeff 采樣分母系數（20個） float array
errBias 錯誤誤差。以米為單位的圖像中所有點的水平軸的均方根偏差誤差，未知時為-1.0。 float
errRandom 隨機誤差。以米為單位的圖像中每個點每水平軸的均方根隨機誤差，未知時為-1.0。 float

示例

SELECT ST_RPCGeoreference(ST_setRPCGeoreference(raster_obj, '{
    "lineOff": 12800.00,
    "sampOff": 4008.00,
    "latOff": 55.02030000,
    "longOff": 27.04780000,
    "heightOff": 179.000,
    "lineScale": 12800.00,
    "sampScale": 4008.00,
    "latScale": 0.12380000,
    "longScale": 0.06850000,
    "heightScale": 300.000,
    "lineNumCoeff": [
        -2.104832000000000E-03,
        -1.642616000000000E-02,
        -1.027459000000000E+00,
        4.182002500000000E-03,
        -1.902795200000000E-03,
        1.614313300000000E-05,
        4.786355800000000E-04,
        -2.127866900000000E-04,
        6.958830700000000E-03,
        -2.260572200000000E-06,
        -2.225955200000000E-07,
        -3.746937200000000E-07,
        4.648645700000000E-04,
        -1.801288800000000E-08,
        5.140758300000000E-06,
        7.566147900000000E-04,
        -5.452440900000000E-07,
        1.394079900000000E-07,
        -1.828159600000000E-05,
        2.421558100000000E-09
    ],
    "lineDenCoeff": [
        1.000000000000000E+00,
        -5.006651300000000E-04,
        -1.457830900000000E-03,
        6.037474400000000E-04,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00
    ],
    "sampNumCoeff": [
        1.000000000000000E+00,
        -5.006651300000000E-04,
        -1.457830900000000E-03,
        6.037474400000000E-04,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00
    ],
    "sampDenCoeff": [
        1.000000000000000E+00,
        -5.006651300000000E-04,
        -1.457830900000000E-03,
        6.037474400000000E-04,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00,
        0.000000000000000E+00
    ]
}'))
FROM raster_table
WHERE id = 1;

------------------------------
 {"lineOff":12800.0,"sampOff":4008.0,"latOff":55.0203,"longOff":27.0478,"heightOff":179.0,"lineScale":12800.0,"sampScale":4008.0,"latScale":0.1238,"longScale":0.0685,"heightScale":300.0,"errBias":-1.0,"errRandom":-1.0,"lineDenCoeff":[1.0,-0.00050066513,-0.0014578309,0.0006037474.
.4,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0],"lineNumCoeff":[-0.002104832,-0.01642616,-1.027459,0.0041820025,-0.0019027952,0.000016143133,0.00047863558,-0.00021278669,0.0069588307,-0.0000022605722,-2.2259552e-7,-3.7469372e-7,0.00046486457,-1.8012888e-8,0.0.
.000051407583,0.00075661479,-5.4524409e-7,1.3940799e-7,-0.000018281596,2.4215581e-9],"sampDenCoeff":[1.0,-0.00050066513,-0.0014578309,0.00060374744,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0],"sampNumCoeff":[1.0,-0.00050066513,-0.0014578309,0.00060374744,0.0.
.,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0]}