Image services published from signed 8-bit integer raster datasets with any form of compression applied turn black upon changing the symbology to 'Unique Values' or 'Classify' in ArcGIS Online Map Viewer.

Informações Adicionais

Solução Provisória

If using a signed 8-bit integer raster dataset, do not apply any form compression. If compression is applied to a signed integer dataset, it must have one bit depth higher than 8 to display correctly. Unsigned integer raster datasets displays regardless of bit depth and compression.

See the attached 'Pixel-compression-table.png' table to see configurations that do not exhibit this behavior.

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