Draft Snap: Difference between revisions

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(Note: using many snapping methods at the same time can be problematic; in this case, try activating only one snapping method.)
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== Description == <!--T:6-->

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The [[Image:Workbench_Draft.svg|24px]] [[Draft Module|Draft Workbench]] tools allow you to pick points, distances, radiuses, and angles graphically by clicking on the [[3D_view|3D view]] with the pointer.
Snapping means "gluing" your next 3d point onto an existing point. Snapping is available with most [[Draft Module|Draft]] and [[Arch Module|Arch]] tools, and can be enabled and disabled globally with the [[Image:Snap_Lock.png|32px]] [[#Options|Draft ToggleSnap]] command. Each snap location below can also be enabled or disabled individually by clicking the corresponding button on the snap toolbar.


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However, when these parameters need to be precise, it is possible to enter the exact [[Draft Coordinates|Draft Coordinates]] in the dialog for the tool.

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Another way of selecting more precise points is by using snapping. Snapping means "gluing" your next point onto an existing point or feature of another object.

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Snapping is available with most [[Draft Module|Draft]] and [[Arch Module|Arch Workbench]] tools, and can be enabled and disabled globally with the {{Button|[[Image:Snap_Lock.svg|16px]] [[Draft ToggleSnap|Draft ToggleSnap]]}} button, located in the snap toolbar, which can be made active with the menu {{MenuCommand|View → Toolbars → Draft Snap}}. Each snap method can be enabled or disabled individually by clicking the corresponding button on the toolbar.

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{{Emphasis|Note:}} using many snapping methods at the same time can be problematic; in this case, try activating only one snapping method.

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[[Image:Draft_Snap_example.jpg]]
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{{Caption|Line snapping perpendicularly to another line}}


==Available snap locations== <!--T:3-->
== Available snap locations == <!--T:3-->
* [[Image:Snap_Midpoint.png|32px]] [[Draft_Midpoint|Midpoint]]: the middle point of line and arc segments
* [[Image:Snap_Near.svg|32px]] [[Draft Near|Near]]: snaps to the closest point or edge on the nearest object.
* [[Image:Snap_Perpendicular.png|32px]] [[Draft_Perpendicular|Perpendicular]]: on line and arc segments, perpendicularly to the latest point
* [[Image:Snap_Extension.svg|32px]] [[Draft Extension|Extension]]: snaps on an imaginary line that extends beyond the endpoints of line segments. Hover the mouse over the desired object to activate its extension snap.
* [[Image:Snap_Grid.png|32px]] [[Draft_ToggleGrid|Grid]]: the nodes of the Draft grid, if visible.
* [[Image:Snap_Parallel.svg|32px]] [[Draft Parallel|Parallel]]: snaps on an imaginary line parallel to a line segment. Hover the mouse over the desired object to activate its parallel snap.
* [[Image:Snap_Intersection.png|32px]] [[Draft_Intersection|Intersection]]: the intersection of 2 line or arc segments. Hover the mouse over the two desired objects to activate their intersection snaps
* [[Image:Snap_Grid.svg|32px]] [[Draft Grid|Grid]]: snaps to the intersections of the grid lines, if the grid is visible.
* [[Image:Snap_Parallel.png|32px]] [[Draft_Parallel|Parallel]]: on an imaginary line parallel to a line segment. Hover the mouse over the desired object to activate its parallel snap
* [[Image:Snap_Endpoint.svg|32px]] [[Draft Endpoint|Endpoint]]: snaps to the endpoints of line, arc and spline segments.
* [[Image:Snap_Endpoint.png|32px]] [[Draft_Endpoint|Endpoint]]: the endpoints of line, arc and spline segments
* [[Image:Snap_Midpoint.svg|32px]] [[Draft Midpoint|Midpoint]]: snaps to the middle point of line and arc segments.
* [[Image:Snap_Angle.png|32px]] [[Draft_Angle|Angle]]: the special cardinal points of circles and arcs, at 45° and 90°
* [[Image:Snap_Perpendicular.svg|32px]] [[Draft Perpendicular|Perpendicular]]: on line and arc segments, snaps perpendicularly to the latest point.
* [[Image:Snap_Center.png|32px]] [[Draft_Center|Center]]: the center point of arcs and circles
* [[Image:Snap_Angle.svg|32px]] [[Draft Angle|Angle]]: snaps to the special cardinal points of circles and arcs, at 45° and 90°.
* [[Image:Snap_Center.svg|32px]] [[Draft Center|Center]]: snaps to the center point of arcs and circles.
* [[Image:Snap_Extension.png|32px]] [[Draft_Extension|Extension]]: on an imaginary line that extends beyond the endpoints of line segments. Hover the mouse over the desired object to activate its extension snap
* [[Image:Snap_Near.png|32px]] [[Draft_Near|Near]]: the closest point on the nearest object
* [[Image:Snap_Ortho.svg|32px]] [[Draft Ortho|Ortho]]: snaps on imaginary lines that cross the last point, and extend at 0°, 45° and 90°.
* [[Image:Snap_Intersection.svg|32px]] [[Draft Intersection|Intersection]]: snaps to the intersection of two line or arc segments. Hover the mouse over the two desired objects to activate their intersection snaps.
* [[Image:Snap_Ortho.png|32px]] [[Draft_Ortho|Ortho]]: on imaginary lines that cross the last point, and extend at 0°, 45° and 90°
* [[Image:Snap_Special.png|32px]] [[Draft_Special|Special]]: on special points defined by object
* [[Image:Snap_Special.svg|32px]] [[Draft Special|Special]]: snaps on special points defined by the object. {{Version|0.17}}
* [[Image:Snap_Dimensions.png|32px]] [[Draft_Dimensions|Dimensions]]: lets you snap to one of the three lines making up the draft dimension
* [[Image:Snap_Dimensions.svg|32px]] [[Draft Dimensions|Dimensions]]: shows temporary X and Y dimensions while snapping.
* [[Image:Snap_WorkingPlane.png|32px]] [[Draft_WorkingPlane|Restrict to working plane]]: always places the snapped point on the current [[Draft SelectPlane|working plane]], even if you snap to a point outside that working plane.
* [[Image:Snap_WorkingPlane.svg|32px]] [[Draft WorkingPlane|Working plane]]: always places the snapped point on the current [[Draft SelectPlane|working plane]], even if you snap to a point outside that working plane.

=== Advanced snapping === <!--T:11-->

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* Additional snap locations can be obtained by combining two snapping methods, such as [[Draft Ortho|Draft Ortho]] and [[Draft Extension|Draft Extension]], that will give you a snap point at the intersection of their imaginary lines.
* Other snap locations can be obtained by using [[Draft Constrain|Draft Constrain]]s, that is, by holding {{KEY|Shift}} or pressing {{KEY|X}}, {{KEY|Y}} or {{KEY|Z}} while drawing.
* Press {{KEY|Q}} while drawing to insert a "hold point" at the current location of the cursor. You will then be able to snap orthogonally to these hold points, and at the intersections of their orthogonal axes. If [[Draft Midpoint|Draft Midpoint]] snapping is enabled, you will also be able to snap at the mid distance between any two hold points. {{Version|0.17}}


==Options== <!--T:4-->
==Options== <!--T:4-->
* [[Image:Snap_Lock.png|32px]] [[Draft ToggleSnap|Lock]]: turns snapping on/off globally
* [[Image:Draft_ToggleGrid.svg|32px]] [[Draft ToggleGrid|Toggle grid]]: turns the working plane grid on and off.
* [[Image:Snap_Lock.svg|32px]] [[Draft ToggleSnap|Lock]]: turns snapping on and off globally.
* Certain additional snap locations can be obtained by combining 2 snap locations, such as ortho + extension, that will give you a snap point at the intersection of their imaginary lines.
* The maximum distance at which a point is considered a snapping point is specified in the [[Draft Preferences|Draft Preferences]], and can also be changed on-the-fly by pressing {{KEY|<nowiki>[</nowiki>}} (increase) or {{KEY|<nowiki>]</nowiki>}} (decrease) keys.
* Other, more complex snap locations can also be obtained by using [[Draft Constrain|constraining]] (by pressing {{KEY|SHIFT}} or {{KEY|X}} or {{KEY|Y}} or {{KEY|Z}} while drawing).
* Pressing {{KEY|L}} while drawing locks the current angle of the line segment being drawn.
* Pressing {{KEY|A}} while drawing locks the current angle of the line segment being drawn.
* The maximum distance at which a point is snapped a snap location is specified in the [[Draft Preferences|preferences]], and can also be changed on-the-fly by pressing {{KEY|<nowiki>[</nowiki>}} or {{KEY|<nowiki>]</nowiki>}} keys.


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Revision as of 22:46, 18 February 2020

Description

The Draft Workbench tools allow you to pick points, distances, radiuses, and angles graphically by clicking on the 3D view with the pointer.

However, when these parameters need to be precise, it is possible to enter the exact Draft Coordinates in the dialog for the tool.

Another way of selecting more precise points is by using snapping. Snapping means "gluing" your next point onto an existing point or feature of another object.

Snapping is available with most Draft and Arch Workbench tools, and can be enabled and disabled globally with the File:Snap Lock.svg Draft ToggleSnap button, located in the snap toolbar, which can be made active with the menu View → Toolbars → Draft Snap. Each snap method can be enabled or disabled individually by clicking the corresponding button on the toolbar.

Note: using many snapping methods at the same time can be problematic; in this case, try activating only one snapping method.

Line snapping perpendicularly to another line

Available snap locations

Advanced snapping

  • Additional snap locations can be obtained by combining two snapping methods, such as Draft Ortho and Draft Extension, that will give you a snap point at the intersection of their imaginary lines.
  • Other snap locations can be obtained by using Draft Constrains, that is, by holding Shift or pressing X, Y or Z while drawing.
  • Press Q while drawing to insert a "hold point" at the current location of the cursor. You will then be able to snap orthogonally to these hold points, and at the intersections of their orthogonal axes. If Draft Midpoint snapping is enabled, you will also be able to snap at the mid distance between any two hold points. introduced in version 0.17

Options

  • Toggle grid: turns the working plane grid on and off.
  • File:Snap Lock.svg Lock: turns snapping on and off globally.
  • The maximum distance at which a point is considered a snapping point is specified in the Draft Preferences, and can also be changed on-the-fly by pressing [ (increase) or ] (decrease) keys.
  • Pressing A while drawing locks the current angle of the line segment being drawn.