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<body><div>Hi,<br></div>
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<div>Just to add to the comments on logging, there is a new pull request at <a href="https://github.com/mapserver/mapserver/pull/5707">https://github.com/mapserver/mapserver/pull/5707</a><br></div>
<div>It makes sense to me that it should be possible to turn off logging for queries not returning features.<br></div>
<div>The tests, and client applications however benefit from a message saying no results are returned, so the request can't be merged in its current state. <br></div>
<div>Are there any other examples of returning messages to the user without logging to follow?<br></div>
<div><br></div>
<div>Seth</div>
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<div>On Fri, Nov 16, 2018, at 5:26 PM, Lime, Steve D (MNIT) wrote:<br></div>
<blockquote type="cite"><div><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="colour" style="color:rgb(31, 73, 125)">This isn’t surprising. We haven’t been real good about consistently using levels across the code base – cleaning that up would be a good project (or sprint activity) and wouldn’t require deep technical knowledge.</span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="colour" style="color:rgb(31, 73, 125)"> </span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="colour" style="color:rgb(31, 73, 125)">I’ll create a ticket for the case you’ve pointed about below…</span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="colour" style="color:rgb(31, 73, 125)"> </span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="colour" style="color:rgb(31, 73, 125)">--Steve</span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="colour" style="color:rgb(31, 73, 125)"> </span></span></span><br></p><div><div style="border-right-width:initial;border-bottom-width:initial;border-left-width:initial;border-right-style:none;border-bottom-style:none;border-left-style:none;border-right-color:initial;border-bottom-color:initial;border-left-color:initial;border-image-source:initial;border-image-slice:initial;border-image-width:initial;border-image-outset:initial;border-image-repeat:initial;border-top-width:1pt;border-top-style:solid;border-top-color:rgb(225, 225, 225);padding-top:3pt;padding-right:0in;padding-bottom:0in;padding-left:0in;"><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><b>From:</b> mapserver-users [mailto:mapserver-users-bounces@lists.osgeo.org] <b>On Behalf Of </b>Rahkonen Jukka (MML)<br> <b>Sent:</b> Friday, November 16, 2018 5:48 AM<br> <b>To:</b> Mapserver-Users (mapserver-users@lists.osgeo.org) <mapserver-users@lists.osgeo.org><br> <b>Subject:</b> [mapserver-users] About the granularity of DEBUG on tileindex layers</span></span></p></div>
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<p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"> </span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span lang="FI">Hi,</span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span lang="FI"> </span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt">I have always used just ”DEBUG 5” for debugging raster layers but now I finally made a test with Mapserver 7.0.1 for seeing what is the real difference between the debugging levels. I was a bit surprised to see that there is not so much
difference at all, and that the DEBUG 1 level gives information that is missing from the higher debugging levels but that would be useful sometimes.</span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"> </span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt">Debug 1 prints these lines</span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:05:50 2018].964589 msDrawRasterLayerLow(layer_name): entering.</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:05:50 2018].980393 msDrawRasterLayerLow(layer_name): Filename is: path/file.TIF</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:05:50 2018].980423 msDrawRasterLayerLow(layer_name): Path is: path/file.TIF</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:05:50 2018].980591 AUTO = +proj=utm +zone=35 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:05:50 2018].980677 msDrawRasterLayerGDAL(): Entering transform.</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:05:50 2018].980687 msDrawRasterLayerGDAL(): src=9979,8,1786,1062, dst=0,0,1697,1009</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:05:50 2018].980691 msDrawRasterLayerGDAL(): source raster PL (9978.817,7.700) for dst PL (0,0).</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:05:50 2018].980700 msDrawRasterLayerGDAL(): red,green,blue,alpha bands = 1,2,3,0</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt"> </span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt"> </span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"> </span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt">All debug levels from level 2 print these lines:</span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"> </span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:09:05 2018].581597 msDrawRasterLayerLow(layer_name): entering.</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:09:05 2018].589989 AUTO = +proj=utm +zone=35 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:09:05 2018].590061 msDrawRasterLayerGDAL(): Entering transform.</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:09:05 2018].590069 msDrawRasterLayerGDAL(): src=2318,7977,1786,1062, dst=0,0,1697,1009</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:09:05 2018].590073 msDrawRasterLayerGDAL(): source raster PL (2317.846,7977.061) for dst PL (0,0).</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:09:05 2018].590081 msDrawRasterLayerGDAL(): red,green,blue,alpha bands = 1,2,3,0</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"><span class="font" style="font-family:"Courier New""><span class="size" style="font-size:7pt">[Fri Nov 16 12:09:05 2018].720794 msDrawMap(): Layer 3 (layer_name), 0.139s</span></span></span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"> </span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"> </span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt">The only additional item that debug levels 2 and above give is the rendering time msDrawMap that is often useful. But at the same time the filename and path items which are present at debug level 1 are missing.</span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"> </span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt">I suggest to add debug items msDrawRasterLayerLow(): Filename and msDrawRasterLayerLow(): Path should be added alto to debug levels >=2. For being even more useful the highest debug level could give also timings about reading the tileindex
and perhaps separate timings about things like how long does it take to read the “src” window from each “Filename” and if overviews are used or not.</span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt"> </span></span><br></p><p style="margin: 0in 0in 0.0001pt;"><span class="font" style="font-family:Calibri, sans-serif"><span class="size" style="font-size:11pt">-Jukka Rahkonen-</span></span><br></p></div>
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