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The highly anticipated对栅格is finally here!New to FME 2018.1, the RasterConvolver is a transformer that applies a convolution filter to raster data.Convolution filters are applied using a kernel which is specified by a matrix of weights for the neighboring values.Filtering can be used to smooth, sharpen, enhance edges and other raster image manipulation operations.
In this scenario, you are interested in applying a convolution filter in order to sharpen a GeoTIFF image.For more information on Raster processing using the RasterConvolver, check out the边缘检测与对栅格article or the光栅斜率计算作为对栅格实施例article.
The RasterConvolver accepts input features containing a raster geometry and outputs the features after applying a convolution filter to each band.
注意:默认情况下,保留带解释设为否 - 把这个作为没有将转换红,绿,蓝条带所述的GeoTIFF到Real64(即转换为灰度图像)。
Data used in this tutorial originates from open data made available by the温哥华市, British Columbia.It contains information licensed under the Open Government License - Vancouver.
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