[Geoserver-devel] [JIRA] (GEOS-8691) WCS Deflate compression does not seem to support predictors

GeoServer GeoServer Developer
1

Jukka Rahkonen created an issue

GeoServer / BugGEOS-8691

WCS Deflate compression does not seem to support predictors

Issue Type:

BugBug

Assignee:

Unassigned

Created:

17/Apr/18 11:30 AM

Priority:

MediumMedium

Reporter:

Jukka Rahkonen

All these requests seem to produce identical result:

localhost:8080/geoserver/wcs?service=WCS&version=2.0.1&request=GetCoverage&CoverageID=nurc__mosaic&format=image/geotiff&geotiff:compression=DEFLATE&geotiff:predictor=None

localhost:8080/geoserver/wcs?service=WCS&version=2.0.1&request=GetCoverage&CoverageID=nurc__mosaic&format=image/geotiff&geotiff:compression=DEFLATE&geotiff:predictor=Horizontal

localhost:8080/geoserver/wcs?service=WCS&version=2.0.1&request=GetCoverage&CoverageID=nurc__mosaic&format=image/geotiff&geotiff:compression=DEFLATE&geotiff:predictor=FloatingPoint

Server does not give any error messages about wrong or not supported predictor values. Is sends an image withour warnigns also with

http://localhost:8080/geoserver/wcs?service=WCS&version=2.0.1&request=GetCoverage&CoverageID=nurc__mosaic&format=image/geotiff&geotiff:compression=DEFLATE&geotiff:predictor=Cat

If selection of predictor for the Deflate compression is not implemented it should send an exception “PredictorNotSupported”. In case of Cat probably “PredictorInvalid”.

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