topic Re: How to transform images (Flip and Rotate) using Python? in Python Questions https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181756#M13992 <HTML><HEAD></HEAD><BODY><P>You could try use the third party 'Pillow' python module.</P><P>This should allow you to rotate multiple images at once.</P></BODY></HTML> Wed, 13 Sep 2017 09:07:35 GMT RichardGeoghegan2 2017-09-13T09:07:35Z How to transform images (Flip and Rotate) using Python? https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181753#M13989 <HTML><HEAD></HEAD><BODY><P>I have received imagery from a surveyor that is currently falling within the Northern Hemisphere and upside down. The following is easy to resolve if its a CAD drawing using the "Transformations" tab under the properties window of the CAD layer within ArcMap. Is there a way to apply the same transformation using Python for each image tile?</P><P></P><P></P><P>CAD: Transformation</P><P><IMG __jive_id="370329" class="image-2 jive-image" src="https://community.esri.com/legacyfs/online/370329_pastedImage_3.png" style="width: 620px; height: 561px;" /></P><P>Original Position: Northern Hemisphere and rotated.</P><P></P><P><IMG __jive_id="370330" class="image-3 jive-image" src="https://community.esri.com/legacyfs/online/370330_pastedImage_4.png" style="width: 620px; height: 490px;" /></P><P>CAD: Transformation and Rotation</P><P><IMG __jive_id="370334" class="jive-image image-4" src="https://community.esri.com/legacyfs/online/370334_pastedImage_5.png" style="width: 620px; height: 375px;" /></P><P>CAD: Transformed (correct location)</P><P></P><P><IMG class="image-5 jive-image" src="https://community.esri.com/legacyfs/online/370336_pastedImage_1.png" style="width: auto; height: auto;" /></P><P>Imagery: Current Imagery (Northern hemisphere and rotated)</P><P></P><P>Any assistance to achieve the following will be appreciated.</P></BODY></HTML> Fri, 08 Sep 2017 08:43:07 GMT https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181753#M13989 PeterWilson 2017-09-08T08:43:07Z Re: How to transform images (Flip and Rotate) using Python? https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181754#M13990 <HTML><HEAD></HEAD><BODY><P>Have you tried&nbsp;<A class="link-titled" href="http://desktop.arcgis.com/en/arcmap/latest/tools/data-management-toolbox/flip.htm" title="http://desktop.arcgis.com/en/arcmap/latest/tools/data-management-toolbox/flip.htm">Flip—Help | ArcGIS Desktop</A>&nbsp;?</P></BODY></HTML> Fri, 08 Sep 2017 09:44:46 GMT https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181754#M13990 JayantaPoddar 2017-09-08T09:44:46Z Re: How to transform images (Flip and Rotate) using Python? https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181755#M13991 <HTML><HEAD></HEAD><BODY><P>I bet you don't have world files for the images... Sounds like a missing negative sign and a flop of the X and Y coordinates...&nbsp; World files would be a lot faster to fix</P></BODY></HTML> Fri, 08 Sep 2017 11:56:50 GMT https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181755#M13991 DanPatterson_Retired 2017-09-08T11:56:50Z Re: How to transform images (Flip and Rotate) using Python? https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181756#M13992 <HTML><HEAD></HEAD><BODY><P>You could try use the third party 'Pillow' python module.</P><P>This should allow you to rotate multiple images at once.</P></BODY></HTML> Wed, 13 Sep 2017 09:07:35 GMT https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181756#M13992 RichardGeoghegan2 2017-09-13T09:07:35Z Re: How to transform images (Flip and Rotate) using Python? https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181757#M13993 <HTML><HEAD></HEAD><BODY><P>I agree with Dan, and would first take a look at the world file first in case a negative sign is missing or reversed.</P><P></P><P>Some links that might help:</P><UL><LI><A class="link-titled" href="http://desktop.arcgis.com/en/arcmap/10.3/manage-data/cad/world-files-for-cad-datasets.htm" title="http://desktop.arcgis.com/en/arcmap/10.3/manage-data/cad/world-files-for-cad-datasets.htm">World files for CAD datasets—Help | ArcGIS for Desktop</A>&nbsp;</LI><LI><A class="link-titled" href="http://desktop.arcgis.com/en/arcmap/latest/manage-data/raster-and-images/world-files-for-raster-datasets.htm" title="http://desktop.arcgis.com/en/arcmap/latest/manage-data/raster-and-images/world-files-for-raster-datasets.htm">World files for raster datasets—Help | ArcGIS Desktop</A>&nbsp;</LI><LI>older blog&nbsp;&nbsp; <A class="link-titled" href="https://blogs.esri.com/esri/arcgis/2011/01/19/my-image-is-in-the-wrong-spot/" title="https://blogs.esri.com/esri/arcgis/2011/01/19/my-image-is-in-the-wrong-spot/">My image is in the wrong spot | ArcGIS Blog</A>&nbsp;</LI><LI><A class="link-titled" href="https://en.wikipedia.org/wiki/World_file" title="https://en.wikipedia.org/wiki/World_file">World file - Wikipedia</A>&nbsp;</LI></UL><P></P><P>If the world file doesn't work, then I would look into the flip...but make sure you know what the input world file and/or spatial reference is, so you can figure out what you need to correct it.&nbsp; You can usually find out this info in ArcCatalog with are right-click to look at the properties.</P><P></P><P>(I don't have any experience with the "pillow" python mod...but I plan to check it out too).</P></BODY></HTML> Wed, 13 Sep 2017 15:40:14 GMT https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181757#M13993 RebeccaStrauch__GISP 2017-09-13T15:40:14Z Re: How to transform images (Flip and Rotate) using Python? https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181758#M13994 <HTML><HEAD></HEAD><BODY><P>Hi Richard</P><P>Thanks I clean forgot about Python's Pillow module. I was able to batch all the images and correct them.</P></BODY></HTML> Mon, 18 Sep 2017 18:13:08 GMT https://community.esri.com/t5/python-questions/how-to-transform-images-flip-and-rotate-using/m-p/181758#M13994 PeterWilson 2017-09-18T18:13:08Z