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  • 1.  Polygonise - same cell value option not available

    Posted 28 days ago

    I downloaded some Surge Risk rasters from National Storm Surge Risk Maps - Version 4 and I would like to polygonise the data into same cell values.

    The methods drop down only shows Valid/Invalid and Raster Extent.  The raster is a geotiff.  What do I need to do to get the same cell value option showing?



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    Jay Russell
    Lead Systems Analyst
    CenterPoint Energy, Inc.
    Houston TX
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  • 2.  RE: Polygonise - same cell value option not available

    Posted 24 days ago

    After more research I discovered that I need to convert my original image into a continuous image.

    The directions for performing that operation are at https://customer.precisely.com/s/article/Converting-GeoTIFF-image-raster-to-classified-raster-using-MapInfo-Pro-Advanced?language=en_US#:~:text=Currently%2C%20there%20is%20no%20direct,the%20class%20values%20as%20needed)

    The output from the continuous operation can then be polygonised.



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    Jay Russell
    Lead Systems Analyst
    CenterPoint Energy, Inc.
    Houston TX
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    Original Message