[Geoserver-devel] [jira] (GEOS-6897) DDS/BIL response format gives erroneous output

[JIRA]

Title: Message Title

Juha Hyvärinen created an issue   GeoServer / GEOS-6897 DDS/BIL response format gives erroneous output Issue Type: Bug Assignee: Andrea Aime Attachments: erroneous_result.png, expected_result.png Components: WMS Created: 20/Feb/15 6:48 AM Environment: Ubuntu 14.04 with OpenJDK7 and JAI extensions. GeoServer build from master branch based on commit: 1b49762967414b546db2f33881d4f61b6218e0e9 Priority: Major Reporter: Juha Hyvärinen As an input data I'm using self generated 32bit float GeoTIFF file from Southern Finland. When data is requested using basicly any other WMS format than application/bil all works as intended. In BIL response something strange happens when asked resolution aproaches source data resolution in the selected area. With my test data critical resolution seems to be 195x195. All requests made with that or higher resolution results incorrect response. Resolutions below 195x195 works fine. To clarify problem I encoded BIL response to png file and it's attached as erroneous_result.png Steps to reproduce problem: 1. Add DDS/BIL community module to Geoserver 2. Download source geotiff from: http://dev.cyberlightning.com/~jhyvarinen/dds/2m_tiff.tiff (sorry for large file) 3. Add it to Geoserver and configure BIL output 4. Make request using application/bil32 output format Sample image was requested with following request: http://localhost:8080/geoserver/wms?service=WMS&version=1.1.0&request=GetMap&srs=EPSG:4326&styles=&layers=2m_tiff&&bbox=24.566065820277917,60.17408188261909,24.602107414942907,60.19203272287593&width=200&height=200&format=application/bil32 When request format is changed to image/png it results correct response. Add Comment   This message was sent by Atlassian JIRA (v6.1.6#6162-sha1:7af547c)

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