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Changes between Initial Version and Version 2 of Ticket #8888

Timestamp:: 05/24/12 16:55:34 (12 years ago)
Author:: wmoore
Comment:

Legend:

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: Added
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Ticket #8888
- Property Owner changed from jburel to cxallan
- Property Cc wmoore added
- Property Component changed from Insight to Services
- Property Summary changed from Bug: Split-view of thumbnails missing images to Bug: Render with No Active Channels

Ticket #8888 – Description

-                      initial
+                      v2
  * OMERO-merge-blue - Build # 157
+This is due to the fact that the rendering Engine throws an exception if you turn off all the channels then try to render
+{{{
+i = conn.getObject("Image", 145)
+pid = i.getPixelsId()
+re = conn.createRenderingEngine()
+re.lookupPixels(pid)
+re.load()
+pd = omero.romio.PlaneDef()
+pd.z = 10
+pd.t = 0
+re.renderCompressed(pd)       # OK
+re.setActive(0, False)              # This is a single-channel image
+re.renderCompressed(pd)
+  File "/Users/will/Desktop/OMERO/dist/lib/python/omero_api_RenderingEngine_ice.py", line 326, in renderCompressed
+    return _M_omero.api.RenderingEngine._op_renderCompressed.invoke(self, ((_def, ), _ctx))
+omero.ApiUsageException: exception ::omero::ApiUsageException
+{
+    serverStackTrace = ome.conditions.ApiUsageException: No active channel bindings found.
+        at omeis.providers.re.GreyScaleStrategy.findFirstActiveChannelBinding(GreyScaleStrategy.java:274)
+        at omeis.providers.re.GreyScaleStrategy.renderAsPackedInt(GreyScaleStrategy.java:131)
+        at omeis.providers.re.Renderer.renderAsPackedInt(Renderer.java:511)
+}}}