payload: {"action":"created","issue":{"url":"https://api.github.com/repos/libvips/libvips/issues/1323","repository_url":"https://api.github.com/repos/libvips/libvips","labels_url":"https://api.github.com/repos/libvips/libvips/issues/1323/labels{/name}","comments_url":"https://api.github.com/repos/libvips/libvips/issues/1323/comments","events_url":"https://api.github.com/repos/libvips/libvips/issues/1323/events","html_url":"https://github.com/libvips/libvips/issues/1323","id":450534563,"node_id":"MDU6SXNzdWU0NTA1MzQ1NjM=","number":1323,"title":"As a new discoverer of VIPS looking for moasic tools, the term \"bands\" was confusing","user":{"login":"toybuilder","id":898761,"node_id":"MDQ6VXNlcjg5ODc2MQ==","avatar_url":"https://avatars2.githubusercontent.com/u/898761?v=4","gravatar_id":"","url":"https://api.github.com/users/toybuilder","html_url":"https://github.com/toybuilder","followers_url":"https://api.github.com/users/toybuilder/followers","following_url":"https://api.github.com/users/toybuilder/following{/other_user}","gists_url":"https://api.github.com/users/toybuilder/gists{/gist_id}","starred_url":"https://api.github.com/users/toybuilder/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/toybuilder/subscriptions","organizations_url":"https://api.github.com/users/toybuilder/orgs","repos_url":"https://api.github.com/users/toybuilder/repos","events_url":"https://api.github.com/users/toybuilder/events{/privacy}","received_events_url":"https://api.github.com/users/toybuilder/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2019-05-30T22:29:57Z","updated_at":"2019-05-31T06:13:16Z","closed_at":null,"author_association":"NONE","body":"I just discovered VIPS, evaluating it for a project which requires creating mosaics.  As I had just jumped right into the mosaic documentation, and don't have prior experience with VIPS, I was confused by the way the term \"bands\" were being used.  \r\nAfter poking around for a while, I finally realized that \"bands\" are (in common paralance) color channels.  \r\nAt first, I thought bands were referring to stripes of data (a subregion).  Clearly, that's not the case.\r\nMay I suggest adding the definition of bands into the annotations-glossary?"},"comment":{"url":"https://api.github.com/repos/libvips/libvips/issues/comments/497589074","html_url":"https://github.com/libvips/libvips/issues/1323#issuecomment-497589074","issue_url":"https://api.github.com/repos/libvips/libvips/issues/1323","id":497589074,"node_id":"MDEyOklzc3VlQ29tbWVudDQ5NzU4OTA3NA==","user":{"login":"toybuilder","id":898761,"node_id":"MDQ6VXNlcjg5ODc2MQ==","avatar_url":"https://avatars2.githubusercontent.com/u/898761?v=4","gravatar_id":"","url":"https://api.github.com/users/toybuilder","html_url":"https://github.com/toybuilder","followers_url":"https://api.github.com/users/toybuilder/followers","following_url":"https://api.github.com/users/toybuilder/following{/other_user}","gists_url":"https://api.github.com/users/toybuilder/gists{/gist_id}","starred_url":"https://api.github.com/users/toybuilder/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/toybuilder/subscriptions","organizations_url":"https://api.github.com/users/toybuilder/orgs","repos_url":"https://api.github.com/users/toybuilder/repos","events_url":"https://api.github.com/users/toybuilder/events{/privacy}","received_events_url":"https://api.github.com/users/toybuilder/received_events","type":"User","site_admin":false},"created_at":"2019-05-31T06:13:16Z","updated_at":"2019-05-31T06:13:16Z","author_association":"NONE","body":"While on the subject of being new to VIPS and looking at the docs with fresh eyes, I noticed in the description for mosaic:\r\n\r\n> dx and dy give the displacement of sec relative to ref , in other words, the vector to get from the origin of sec to the origin of ref , in other words, dx will generally be a negative number.\r\n\r\nI believe you mean dx will generally be a negative number for horizontal mosaic (default)?\r\n\r\n"}}
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