<?xml version="1.0" encoding="UTF-8" ?>
<?xml-stylesheet type="text/xsl" href="https://communities.bentley.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>The block is affected by a spherical effect after Aerotriangulation</title><link>https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25554/the-block-is-affected-by-a-spherical-effect-after-aerotriangulation</link><description /><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>The block is affected by a spherical effect after Aerotriangulation</title><link>https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25554/the-block-is-affected-by-a-spherical-effect-after-aerotriangulation</link><pubDate>Wed, 03 Feb 2021 11:14:52 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:d91ed5cc-9276-4d99-b208-a5640e3030c8</guid><dc:creator>Felix James</dc:creator><comments>https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25554/the-block-is-affected-by-a-spherical-effect-after-aerotriangulation#comments</comments><description>Current Revision posted to ContextCapture | Descartes | Pointools | Orbit Wiki by Felix James on 2/3/2021 11:14:52 AM&lt;br /&gt;
&lt;table style="border:0px solid #dce5f0;background-color:#dce5f0;" border="0"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Product(s):&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;ContextCapture&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Version(s):&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;04.00.01.01&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Environment:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N\A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Area:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N/A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Subarea:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N\A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt;&lt;/p&gt;
&lt;h1&gt;Problem Description&lt;/h1&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;The block is affected by a spherical effect after AT I have a problem when importing my XLS-blockfile&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;b&gt;&lt;span lang="EN-US"&gt;&lt;span style="color:black;font-family:Times New Roman;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;&lt;span lang="EN-US"&gt;&lt;/span&gt;&lt;/b&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;The user acquired a nadir aerial dataset and did follow a specific calibration step&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;/span&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;An Aerotriangulation was submitted, the distortion parameters were computed and Photogroup oriented, but the result was not acceptable.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;h1&gt;Steps to Resolve&lt;/h1&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;span style="color:black;font-family:Times New Roman;"&gt;This kind of dataset results in a spherical deformation due to distortion parameters inaccuracy.&lt;/span&gt;&lt;/span&gt;&lt;span lang="EN-US"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;span style="color:black;font-family:Times New Roman;"&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic1.png"&gt;&lt;img width="906" height="592" style="width:673px;height:456px;" alt=" " src="/resized-image/__size/940x0/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic1.png" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;- To avoid this problem, it is recommended to:&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Capture a small dataset of any object with the same camera&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Process an AT on this dataset by keeping the default settings&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Export the optical properties&amp;nbsp;of the aero-triangulated photogroup&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Import these optical parameters in your &amp;quot;UAV-photogroup&amp;quot;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Submit an AT and make sure to set the distortion parameters on &amp;quot;Keep&amp;quot; instead of &amp;quot;Adjust&amp;quot;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- The process will take advantage from these more accurate parameters and avoid the spherical effect.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic2.png"&gt;&lt;img width="882" height="577" style="width:660px;height:442px;" alt=" " src="/resized-image/__size/940x0/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic2.png" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;h1 style="margin-top:0cm;margin-right:0cm;margin-bottom:8pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;See Also&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h1&gt;
&lt;p&gt;&lt;a href="https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25556.export-import-camera-optical-properties"&gt;https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25556.export-import-camera-optical-properties&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;img width="189" height="60" style="border-width:0px;" alt=" " src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" /&gt;&lt;/p&gt;
&lt;table style="border:0px solid #dce5f0;background-color:#dce5f0;" border="0"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&amp;nbsp;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Original Author:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;Felix James&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;

&lt;div style="font-size: 90%;"&gt;Tags: ContextCapture, 04.00.01.01, en, SELECTsupport, Aerotriagulation&lt;/div&gt;
</description></item><item><title>The block is affected by a spherical effect after Aerotriangulation</title><link>https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25554/the-block-is-affected-by-a-spherical-effect-after-aerotriangulation/revision/3</link><pubDate>Thu, 03 Dec 2015 15:19:34 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:d91ed5cc-9276-4d99-b208-a5640e3030c8</guid><dc:creator>Felix James</dc:creator><comments>https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25554/the-block-is-affected-by-a-spherical-effect-after-aerotriangulation#comments</comments><description>Revision 3 posted to ContextCapture | Descartes | Pointools | Orbit Wiki by Felix James on 12/3/2015 3:19:34 PM&lt;br /&gt;
&lt;table style="border:0px solid #dce5f0;background-color:#dce5f0;" border="0"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Product(s):&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;ContextCapture&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Version(s):&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;04.00.01.01&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Environment:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N\A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Area:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N/A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Subarea:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N\A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt;&lt;/p&gt;
&lt;h1&gt;Problem Description&lt;/h1&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;The block is affected by a spherical effect after AT I have a problem when importing my XLS-blockfile&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;b&gt;&lt;span lang="EN-US"&gt;&lt;span style="color:black;font-family:Times New Roman;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;&lt;span lang="EN-US"&gt;&lt;/span&gt;&lt;/b&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;The user acquired a nadir aerial dataset and did follow a specific calibration step&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;/span&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;An Aerotriangulation was submitted, the distortion parameters were computed and Photogroup oriented, but the result was not acceptable.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;h1&gt;Steps to Resolve&lt;/h1&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;span style="color:black;font-family:Times New Roman;"&gt;This kind of dataset results in a spherical deformation due to distortion parameters inaccuracy.&lt;/span&gt;&lt;/span&gt;&lt;span lang="EN-US"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;span style="color:black;font-family:Times New Roman;"&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic1.png"&gt;&lt;img width="906" height="592" style="width:673px;height:456px;" alt=" " src="/resized-image/__size/940x0/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic1.png" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;- To avoid this problem, it is recommended to:&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Capture a small dataset of any object with the same camera&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Process an AT on this dataset by keeping the default settings&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Export the optical properties&amp;nbsp;of the aero-triangulated photogroup&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Import these optical parameters in your &amp;quot;UAV-photogroup&amp;quot;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Submit an AT and make sure to set the distortion parameters on &amp;quot;Keep&amp;quot; instead of &amp;quot;Adjust&amp;quot;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- The process will take advantage from these more accurate parameters and avoid the spherical effect.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic2.png"&gt;&lt;img width="882" height="577" style="width:660px;height:442px;" alt=" " src="/resized-image/__size/940x0/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic2.png" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;h2 style="margin-top:0cm;margin-right:0cm;margin-bottom:8pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;See Also&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;
&lt;h1&gt;&amp;nbsp;&lt;/h1&gt;
&lt;p&gt;&lt;img width="189" height="60" style="border-width:0px;" alt=" " src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" /&gt;&lt;/p&gt;
&lt;table style="border:0px solid #dce5f0;background-color:#dce5f0;" border="0"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&amp;nbsp;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Original Author:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;Felix James&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;

&lt;div style="font-size: 90%;"&gt;Tags: ContextCapture, 04.00.01.01, en, SELECTsupport, Aerotriagulation&lt;/div&gt;
</description></item><item><title>The block is affected by a spherical effect after Aerotriangulation</title><link>https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25554/the-block-is-affected-by-a-spherical-effect-after-aerotriangulation/revision/2</link><pubDate>Thu, 03 Dec 2015 15:01:27 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:d91ed5cc-9276-4d99-b208-a5640e3030c8</guid><dc:creator>Felix James</dc:creator><comments>https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25554/the-block-is-affected-by-a-spherical-effect-after-aerotriangulation#comments</comments><description>Revision 2 posted to ContextCapture | Descartes | Pointools | Orbit Wiki by Felix James on 12/3/2015 3:01:27 PM&lt;br /&gt;
&lt;table style="border:0px solid #dce5f0;background-color:#dce5f0;" border="0"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Product(s):&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;ContextCapture&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Version(s):&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;04.00.01.01&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Environment:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N\A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Area:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N/A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Subarea:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N\A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;
&lt;p&gt;&lt;/p&gt;
&lt;h1&gt;Problem Description&lt;/h1&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;The block is affected by a spherical effect after AT I have a problem when importing my XLS-blockfile&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;b&gt;&lt;span lang="EN-US"&gt;&lt;span style="color:black;font-family:Times New Roman;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;&lt;span lang="EN-US"&gt;&lt;/span&gt;&lt;/b&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;The user acquired a nadir aerial dataset and did follow a specific calibration step&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;/span&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;An Aerotriangulation was submitted, the distortion parameters were computed and Photogroup oriented, but the result was not acceptable.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;h1&gt;Steps to Resolve&lt;/h1&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;span style="color:black;font-family:Times New Roman;"&gt;This kind of dataset results in a spherical deformation due to distortion parameters inaccuracy.&lt;/span&gt;&lt;/span&gt;&lt;span lang="EN-US"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;span style="color:black;font-family:Times New Roman;"&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic1.png"&gt;&lt;img width="906" height="592" style="width:673px;height:456px;" src="/resized-image/__size/940x0/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic1.png" alt=" " /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;- To avoid this problem, it is recommended to:&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Capture a small dataset of any object with the same camera&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Process an AT on this dataset by keeping the default settings&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Export the optical properties&amp;nbsp;of the aero-triangulated photogroup&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Import these optical parameters in your &amp;quot;UAV-photogroup&amp;quot;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Submit an AT and make sure to set the distortion parameters on &amp;quot;Keep&amp;quot; instead of &amp;quot;Adjust&amp;quot;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- The process will take advantage from these more accurate parameters and avoid the spherical effect.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color:black;"&gt;&lt;a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic2.png"&gt;&lt;img width="882" height="577" style="width:660px;height:442px;" src="/resized-image/__size/940x0/__key/communityserver-wikis-components-files/00-00-00-02-18/Pic2.png" alt=" " /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;h1&gt;&amp;nbsp;&lt;/h1&gt;
&lt;p&gt;&lt;img width="189" height="60" style="border-width:0px;" alt=" " src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" /&gt;&lt;/p&gt;
&lt;table style="border:0px solid #dce5f0;background-color:#dce5f0;" border="0"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&amp;nbsp;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Original Author:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;Felix James&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;

&lt;div style="font-size: 90%;"&gt;Tags: ContextCapture, 04.00.01.01, en, SELECTsupport, Aerotriagulation&lt;/div&gt;
</description></item><item><title>The block is affected by a spherical effect after Aerotriangulation</title><link>https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25554/the-block-is-affected-by-a-spherical-effect-after-aerotriangulation/revision/1</link><pubDate>Thu, 03 Dec 2015 13:58:59 GMT</pubDate><guid isPermaLink="false">6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:d91ed5cc-9276-4d99-b208-a5640e3030c8</guid><dc:creator>Felix James</dc:creator><comments>https://communities.bentley.com/products/3d_imaging_and_point_cloud_software/w/wiki/25554/the-block-is-affected-by-a-spherical-effect-after-aerotriangulation#comments</comments><description>Revision 1 posted to ContextCapture | Descartes | Pointools | Orbit Wiki by Felix James on 12/3/2015 1:58:59 PM&lt;br /&gt;
&lt;table style="border-top:#dce5f0 0px solid;border-right:#dce5f0 0px solid;border-bottom:#dce5f0 0px solid;border-left:#dce5f0 0px solid;background-color:#dce5f0;" border="0"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Product(s):&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;ContextCapture&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Version(s):&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;04.00.01.01 &lt;/td&gt;
&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Environment:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N\A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Area:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N/A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Subarea:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;N\A&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;
&lt;p&gt;&lt;/p&gt;
&lt;h1&gt;Problem Description&lt;/h1&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;The block is affected by a spherical effect after AT I have a problem when importing my XLS-blockfile&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;b&gt;&lt;span lang="EN-US"&gt;&lt;font color="black" face="Times New Roman"&gt;&amp;nbsp;&lt;/font&gt;&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;&lt;span lang="EN-US"&gt;&lt;/span&gt;&lt;/b&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;The user acquired a nadir aerial dataset and did follow a specific calibration step&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;/span&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;An Aerotriangulation was submitted, the distortion parameters were computed and Photogroup oriented, but the result was not acceptable.&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;/p&gt;
&lt;h1&gt;Steps to Resolve&lt;/h1&gt;
&lt;p&gt;&lt;span lang="EN-US"&gt;&lt;font color="black" face="Times New Roman"&gt;This kind of dataset results in a spherical deformation due to distortion parameters inaccuracy.&lt;/font&gt;&lt;/span&gt;&lt;span lang="EN-US"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;span lang="EN-US"&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;- To avoid this problem, it is recommended to:&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Capture a small dataset of any object with the same camera&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Process an AT on this dataset by keeping the default settings&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Export the optical properties (refer to the two next parts) of the aero-triangulated photogroup&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Import these optical parameters in your &amp;quot;UAV-photogroup&amp;quot;&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- Submit an AT and make sure to set the distortion parameters on &amp;quot;Keep&amp;quot; instead of &amp;quot;Adjust&amp;quot;&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style="margin:0cm 0cm 8pt 18pt;"&gt;&lt;span lang="EN-US"&gt;&lt;font face="Times New Roman"&gt;&lt;font color="black"&gt;&lt;span&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;/span&gt;- The process will take advantage from these more accurate parameters and avoid the spherical effect.&lt;/font&gt;&lt;/font&gt;&lt;/span&gt;&lt;/div&gt;&lt;/span&gt;
&lt;h1&gt;&amp;nbsp;&lt;/h1&gt;&lt;img style="border-left-width:0px;border-right-width:0px;border-bottom-width:0px;border-top-width:0px;" alt=" " src="http://communities.bentley.com/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" width="189" height="60" /&gt; 
&lt;table style="border-top:#dce5f0 0px solid;border-right:#dce5f0 0px solid;border-bottom:#dce5f0 0px solid;border-left:#dce5f0 0px solid;background-color:#dce5f0;" border="0"&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;&amp;nbsp;&lt;/strong&gt;&lt;/td&gt;
&lt;td style="text-align:right;"&gt;&lt;strong&gt;Original Author:&lt;/strong&gt;&lt;/td&gt;
&lt;td&gt;Felix James&lt;/td&gt;
&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;

&lt;div style="font-size: 90%;"&gt;Tags: ContextCapture, 04.00.01.01, en, SELECTsupport&lt;/div&gt;
</description></item></channel></rss>