topic Re: Georeferenced TIF is off in longitude by 1/3 of a degree in ArcGIS Earth Questions https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1637384#M1290 <P>Shall we do a search in the epsg database to find all CRS's using a ".5" meridian or parallel <a href="https://community.esri.com/t5/user/viewprofilepage/user-id/59021">@GeoffroyRicher-Lalonde</a>&nbsp;? <span class="lia-unicode-emoji" title=":winking_face:">😉</span>&nbsp;</P> Tue, 29 Jul 2025 17:24:16 GMT Pål_Herman_Sund 2025-07-29T17:24:16Z Georeferenced TIF is off in longitude by 1/3 of a degree https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1624479#M1281 <P>Here is a download repository of georeferenced TIF for this bounding box:&nbsp;</P><UL><LI>North : 46,125 N</LI><LI>South : 46,0 N</LI><LI>East : 76,0 W</LI><LI>West : 76,25 W</LI></UL><P><A href="https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/IMAGERIE/Produits_derives_LiDAR/31K/31K01SE/" target="_blank">https://diffusion.mffp.gouv.qc.ca/Diffusion/DonneeGratuite/Foret/IMAGERIE/Produits_derives_LiDAR/31K/31K01SE/</A>&nbsp;</P><P>When I download the shaded DTM (MNT_Ombre_31K01SE.tif) and add it to ArcGIS Pro, everything is fine. The TIF is well georeferenced:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="GeoffroyRicherLalonde_0-1750191413649.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/134540iAFCB7077055A0488/image-size/medium?v=v2&amp;px=400" role="button" title="GeoffroyRicherLalonde_0-1750191413649.png" alt="GeoffroyRicherLalonde_0-1750191413649.png" /></span></P><P>But when I add the same TIF to ArcGIS Earth, the raster is off in longitude by exactly 0.3333 degree:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="GeoffroyRicherLalonde_1-1750191756056.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/134541i20B0782D5E26A1C5/image-size/medium?v=v2&amp;px=400" role="button" title="GeoffroyRicherLalonde_1-1750191756056.png" alt="GeoffroyRicherLalonde_1-1750191756056.png" /></span></P><P>There is no error in latitude. This bounding box and this TIF is just an example. Any other TIF of any other bounding box will have this 0.3333 degree error in longitude. Why does the TIF is OK in ArcGIS Pro but off in ArcGIS Earth ?</P><P>Thank you.</P> Tue, 17 Jun 2025 20:39:29 GMT https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1624479#M1281 GeoffroyRicher-Lalonde 2025-06-17T20:39:29Z Re: Georeferenced TIF is off in longitude by 1/3 of a degree https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1624653#M1282 <P>Interesting differences between Pro and Earth when it comes to interpret EPSG:2951<BR /><BR />Pro</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Pl_Herman_Sund_0-1750251608013.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/134564i38F56F602CBF5674/image-size/medium?v=v2&amp;px=400" role="button" title="Pl_Herman_Sund_0-1750251608013.png" alt="Pl_Herman_Sund_0-1750251608013.png" /></span></P><P><BR />Earth</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Pl_Herman_Sund_1-1750251664828.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/134565i70D93B2EFBDC473B/image-size/medium?v=v2&amp;px=400" role="button" title="Pl_Herman_Sund_1-1750251664828.png" alt="Pl_Herman_Sund_1-1750251664828.png" /></span></P><P>&nbsp;</P><P>So Pro interpret the EPSG code and does a CM og -76.5. Earth provide a EPSG code of 0 and a CM of -76.8333. I would log that as a supportcase.</P><P>&nbsp;</P><P>br</P><P>pH</P><P><BR /><BR /></P> Wed, 18 Jun 2025 13:03:00 GMT https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1624653#M1282 Pål_Herman_Sund 2025-06-18T13:03:00Z Re: Georeferenced TIF is off in longitude by 1/3 of a degree https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1624707#M1283 <P>Thank you&nbsp;<a href="https://community.esri.com/t5/user/viewprofilepage/user-id/341726">@Pål_Herman_Sund</a>&nbsp;for these explications !&nbsp;</P> Wed, 18 Jun 2025 15:18:12 GMT https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1624707#M1283 GeoffroyRicher-Lalonde 2025-06-18T15:18:12Z Re: Georeferenced TIF is off in longitude by 1/3 of a degree https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1624996#M1284 <P>Always supporting nordic skiers&nbsp;<a href="https://community.esri.com/t5/user/viewprofilepage/user-id/59021">@GeoffroyRicher-Lalonde</a>&nbsp;<span class="lia-unicode-emoji" title=":grinning_face_with_smiling_eyes:">😄</span>&nbsp;<BR />cheers from Norway</P> Thu, 19 Jun 2025 09:05:06 GMT https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1624996#M1284 Pål_Herman_Sund 2025-06-19T09:05:06Z Re: Georeferenced TIF is off in longitude by 1/3 of a degree https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1637349#M1289 <P>The same 1/3 degree problem has been identified with&nbsp;<SPAN>EPSG:32198. The central meridian should be <STRONG>-68.5</STRONG> not <STRONG>-68.8333333333333</STRONG>.&nbsp;</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="GeoffroyRicherLalonde_0-1753803924403.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/137454i033E812DCD2297C0/image-size/medium?v=v2&amp;px=400" role="button" title="GeoffroyRicherLalonde_0-1753803924403.png" alt="GeoffroyRicherLalonde_0-1753803924403.png" /></span></P> Tue, 29 Jul 2025 15:50:50 GMT https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1637349#M1289 GeoffroyRicher-Lalonde 2025-07-29T15:50:50Z Re: Georeferenced TIF is off in longitude by 1/3 of a degree https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1637384#M1290 <P>Shall we do a search in the epsg database to find all CRS's using a ".5" meridian or parallel <a href="https://community.esri.com/t5/user/viewprofilepage/user-id/59021">@GeoffroyRicher-Lalonde</a>&nbsp;? <span class="lia-unicode-emoji" title=":winking_face:">😉</span>&nbsp;</P> Tue, 29 Jul 2025 17:24:16 GMT https://community.esri.com/t5/arcgis-earth-questions/georeferenced-tif-is-off-in-longitude-by-1-3-of-a/m-p/1637384#M1290 Pål_Herman_Sund 2025-07-29T17:24:16Z