{"action":"created","issue":{"url":"https://api.github.com/repos/Ultimaker/CuraEngine/issues/749","repository_url":"https://api.github.com/repos/Ultimaker/CuraEngine","labels_url":"https://api.github.com/repos/Ultimaker/CuraEngine/issues/749/labels{/name}","comments_url":"https://api.github.com/repos/Ultimaker/CuraEngine/issues/749/comments","events_url":"https://api.github.com/repos/Ultimaker/CuraEngine/issues/749/events","html_url":"https://github.com/Ultimaker/CuraEngine/pull/749","id":316576370,"node_id":"MDExOlB1bGxSZXF1ZXN0MTgzMjcxNDc2","number":749,"title":"Bridge wall mods","user":{"login":"smartavionics","id":585618,"node_id":"MDQ6VXNlcjU4NTYxOA==","avatar_url":"https://avatars1.githubusercontent.com/u/585618?v=4","gravatar_id":"","url":"https://api.github.com/users/smartavionics","html_url":"https://github.com/smartavionics","followers_url":"https://api.github.com/users/smartavionics/followers","following_url":"https://api.github.com/users/smartavionics/following{/other_user}","gists_url":"https://api.github.com/users/smartavionics/gists{/gist_id}","starred_url":"https://api.github.com/users/smartavionics/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/smartavionics/subscriptions","organizations_url":"https://api.github.com/users/smartavionics/orgs","repos_url":"https://api.github.com/users/smartavionics/repos","events_url":"https://api.github.com/users/smartavionics/events{/privacy}","received_events_url":"https://api.github.com/users/smartavionics/received_events","type":"User","site_admin":false},"labels":[{"id":766485081,"node_id":"MDU6TGFiZWw3NjY0ODUwODE=","url":"https://api.github.com/repos/Ultimaker/CuraEngine/labels/JIRA","name":"JIRA","color":"0e8a16","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":6,"created_at":"2018-04-22T12:48:09Z","updated_at":"2018-07-31T07:09:53Z","closed_at":"2018-07-23T10:57:59Z","author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/Ultimaker/CuraEngine/pulls/749","html_url":"https://github.com/Ultimaker/CuraEngine/pull/749","diff_url":"https://github.com/Ultimaker/CuraEngine/pull/749.diff","patch_url":"https://github.com/Ultimaker/CuraEngine/pull/749.patch"},"body":"This PR modifies the bridge wall code in two ways:\r\n\r\n1 - it now assumes that at the start of a wall, the nozzle is fully pressurised. e.g. following a retract/prime sequence or a short move from the end of a preceding wall and so will use the maximum amount of coasting it can before the start of the first bridge segment. Before, it assumed that there was no pressure in the nozzle and so it did not coast before the start of the first bridge wall segment unless that was some distance from the start of the wall. Because it wasn't coasting when it should, the first bridge segment tended to droop more than it should have done.\r\n\r\n2 - following a bridge segment it now immediately reverts the extrusion rate to the rate required by the line that follows the bridge but it still accelerates slowly so, in effect, it over-extrudes for a short period. This helps compensate for the underextrusion that occurs immediately following a bridge segment because the extruder can't increase the pressure in the nozzle quickly enough to keep up with the accelerating nozzle.\r\n"},"comment":{"url":"https://api.github.com/repos/Ultimaker/CuraEngine/issues/comments/409118849","html_url":"https://github.com/Ultimaker/CuraEngine/pull/749#issuecomment-409118849","issue_url":"https://api.github.com/repos/Ultimaker/CuraEngine/issues/749","id":409118849,"node_id":"MDEyOklzc3VlQ29tbWVudDQwOTExODg0OQ==","user":{"login":"jackha","id":1016604,"node_id":"MDQ6VXNlcjEwMTY2MDQ=","avatar_url":"https://avatars1.githubusercontent.com/u/1016604?v=4","gravatar_id":"","url":"https://api.github.com/users/jackha","html_url":"https://github.com/jackha","followers_url":"https://api.github.com/users/jackha/followers","following_url":"https://api.github.com/users/jackha/following{/other_user}","gists_url":"https://api.github.com/users/jackha/gists{/gist_id}","starred_url":"https://api.github.com/users/jackha/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jackha/subscriptions","organizations_url":"https://api.github.com/users/jackha/orgs","repos_url":"https://api.github.com/users/jackha/repos","events_url":"https://api.github.com/users/jackha/events{/privacy}","received_events_url":"https://api.github.com/users/jackha/received_events","type":"User","site_admin":false},"created_at":"2018-07-31T07:09:53Z","updated_at":"2018-07-31T07:09:53Z","author_association":"CONTRIBUTOR","body":"Yeah I know that the banana isn't going to bridge well. By the extra extrusion I mean the increased extrusion width on the left in the middle. Is there any way that you can prevent that increased width in that part? If it's hard then we can leave it for now and see if people complain about it."}}
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