Changes between Version 33 and Version 43 of Help/Action/MergeNodes
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Help/Action/MergeNodes
v33 v43 1 [[TranslatedPages ]]1 [[TranslatedPages(outdated=The example screenshots need to be retaken with bigger node render setting.)]] 2 2 3 3 = Tools > Merge Nodes = 4 4 [[PageOutline(2-10,Table of Contents)]] 5 5 6 [[ Image(source:trunk/images/mergenodes.svg,48,middle)]] ''Keyboard shortcut:'' **{{{M}}}**6 [[JOSMImage(mergenodes,48,link=,middle,margin-right=20)]] ''Keyboard shortcut:'' **`M`** 7 7 8 **Merge the currently selected nodes into one node.**8 **Merge nodes into the oldest one.** 9 9 10 **Note**: There are different activation steps for this tool which are covered at [wikitr:/Help/Action/Select Select Move tool] (you have to hold "Ctrl" while moving object). 11 12 * The order of selection matters, as the remaining node will keep the position of the last selected node. 13 * Usually the [wikitr:/Help/Concepts/Object#ObjectId object id] and [wikitr:/Help/Concepts/Object#ObjectHistory object history] of the oldest node with lowest id is kept. 10 * The order of [wikitr:/Help/Action/Select selection] matters, as the remaining target node will keep the position of the last selected one. 11 * The [wikitr:/Help/Concepts/Object#ObjectId object id] and [wikitr:/Help/Concepts/Object#ObjectHistory object history] of the oldest node with at least one parent will be preserved. If no parent object exists, the oldest node with lowest, positive id will be used (see #17866). 12 * Ways will be silently deleted if their child node number drops below two, see [#WaysToDeleteStillInUse below]. 14 13 * All [wikitr:/Help/Concepts/Object#Tags1 tags] with only a single value and all relation memberships from all nodes will be added and the [wikitr:/Help/Action/CombineWay#TagsMembershipsConflictDialog Tags/Memberships Conflict Dialog] will open if manual decisions are needed. In normal user mode it will additionally warn before adding any tag or membership the nodes do not have in common, like Combine Ways, see [wikitr:/Help/Action/CombineWay#CombineConfirmation Combine Confirmation]. 15 14 16 15 17 16 == Can't merge because way still in use == #WaysToDeleteStillInUse 18 The nodes you merge may be part of [wikitr:/Help/Concepts/Object#Ways ways]. If you merge them these "parent" ways may loose one or more of their nodes. In some cases the number of nodes left in these ways may drop below 2. Ways with less than 2 nodes don't make senseand JOSM tries to delete them.17 The nodes you merge may be part of [wikitr:/Help/Concepts/Object#Ways ways]. If you merge them these parent ways may lose one or more of their nodes. In some cases the number of nodes left in these ways may drop below two. Ways with less than two nodes are invalid and JOSM tries to delete them. 19 18 20 19 In some cases, though, a way to be deleted could still be in use, for instance, because a relation is referring to it. JOSM aborts merging nodes in these cases. Instead, it displays the following warning message: 21 20 22 [[Image(warning-way-still-in-use.png )]]21 [[Image(warning-way-still-in-use.png,link=)]] 23 22 24 23 Click on ''Abort Merging'' to close the dialog. The selected nodes are not merged. … … 26 25 27 26 == Target position depends on last selection and advanced setting == 27 === Advanced Preferences ===#AdvancedPreferences 28 One of 3 modes can be set in the [[JOSMImage(preferences/advanced,link=,24,middle)]] [wikitr:/Help/Preferences/Advanced advanced preferences] with the `merge-nodes.mode` key: 28 29 29 === Advanced Preferences === 30 One of 3 modes can be set in the [wikitr:/Help/Preferences/Advanced advanced preferences] with the {{{merge-nodes.mode}}} key: 31 32 * merge-nodes.mode=0 - default and simple: '''last selected node will be used as position of resulting node''' 33 * merge-nodes.mode=1 - to average locations of all selected nodes 34 * merge-nodes.mode=2 - weighted average where nearby nodes have lower weight than remote 30 ||= **Mode setting** =||= **Description** =|| 31 || `merge-nodes.mode=0` || default and simple: **last selected node will be used as position of resulting node**. || 32 || `merge-nodes.mode=1` || to average locations of all selected nodes. 33 || `merge-nodes.mode=2` || weighted average where nearby nodes have lower weight than remote. || 35 34 36 35 Before merge (initial state): 37 36 38 [[Image(before merge.png, 50%)]]37 [[Image(before merge.png,800,link=)]] 39 38 40 After merge with merge-nodes.mode=0 (latest selected node is important): 39 * After merge with `merge-nodes.mode=0` (latest selected node is important): 41 40 42 (''one of 9 positions, depending on the last node in selection'')41 (''one of 9 positions, depending on the last node in selection'') 43 42 44 After merge with merge-nodes.mode=1(without weight):43 * After merge with `merge-nodes.mode=1` (without weight): 45 44 46 [[Image(after merge-nodes.mode=1.png,50%)]]45 [[Image(after merge-nodes.mode=1.png,800,link=)]] 47 46 48 After merge with merge-nodes.mode=2(weighted average):47 * After merge with `merge-nodes.mode=2` (weighted average): 49 48 50 [[Image(after merge-nodes.mode=2.png,50%)]]49 [[Image(after merge-nodes.mode=2.png,800,link=)]] 51 50 52 51 53 52 == See also == 54 * [[Image(source:trunk/images/mapmode/move/move.png,middle)]] [wikitr:/Help/Action/Select Select Move]55 * [[Image(source:trunk/images/mapmode/improvewayaccuracy.png,middle)]] [wikitr:/Help/Action/ImproveWayAccuracy Improve Way Accuracy] - over time many mappers switch to this tools instead of manually selecting-and-moving each node56 53 * [[JOSMImage(mapmode/move/move)]] [wikitr:/Help/Action/Select Select Move] 54 * [[JOSMImage(mapmode/improvewayaccuracy)]] [wikitr:/Help/Action/ImproveWayAccuracy Improve Way Accuracy] - over time many mappers switch to this tools instead of manually selecting-and-moving each node 55 * #6696 - patch about merge-nodes.mode 57 56 58 57 ---- 59 Back to [wikitr:/Help/Menu/Tools Tools menu] [[Br]]58 Back to [wikitr:/Help/Menu/Tools Tools menu] \\ 60 59 Back to [wikitr:/Help Main Help]
