[Geoserver-devel] [JIRA] (GEOS-10052) Blank parts of WMS results near upper and/or left side with certain bounding box coordinates and image sizes

GeoServer GeoServer Developer
1

Devin Eyre created an issue

GeoServer / BugGEOS-10052

Blank parts of WMS results near upper and/or left side with certain bounding box coordinates and image sizes

Issue Type:

BugBug

Affects Versions:

2.16.2

Assignee:

Unassigned

Components:

WMS

Created:

05/May/21 9:59 PM

Environment:

Ubuntu 16.04
geoserver 2.16.2
tomcat8
JVM: Oracle Corporation: 1.8.0_201 (Java HotSpot™ 64-Bit Server VM)
RAM: 12 GB
Using JAI-EXT for all but Lookup operation

Priority:

MediumMedium

Reporter:

Devin Eyre

I’m seeing blank parts along either the top and/or left sides when requesting an image with some bounding boxes and sizes. The layer is a time-enabled imagemosaic, which is in EPSG:4326, and covers the globe at a resolution of 1/8th degree resolution. Increasing the requested area slightly makes the area which was blank filled in.

Here’s a WMS call which exhibits the problem:
http://localhost:8080/geoserver/wms?service=WMS&request=GetMap&format=application/openlayers&version=1.3.0&layers=significant_wave_height&styles=wave_ht_meters_sig&transparent=true&crs=EPSG:3857&bbox=697492.508703977,9597913.35523451,817665.800051298,9687546.93524809&width=1271&height=948

By trial and error, I discovered that reducing the height to 880 or less makes the problem disappear.

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