Difference between revisions of "Draft Snap"

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(→‎Description: If you are having problems correctly positioning your points, try using only one snapping method at the time.)
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== Description == <!--T:6-->
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== Description ==
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The [[Image:Workbench_Draft.svg|24px]] [[Draft Module|Draft Workbench]] tools allow you to pick points and distances by clicking on the [[3D_view|3D view]] with the pointer, or by entering [[Draft_Coordinates|Draft Coordinates]] in the [[task_panel|task panel]] of the tool.
  
[[Draft Workbench]] tools allow you to pick points, distances, radiuses, and angles graphically by clicking on the 3D view with the pointer.
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Another way of selecting points is by snapping. '''Snapping''' means "gluing" your next point onto an existing point or feature of another object.
  
However, when these parameters need to be precise, it is possible to enter the exact [[Draft Coordinates]] in the dialog for the tool.
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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|[[File:Draft_ToggleSnap.svg|16px]] [[Draft ToggleSnap|Toggle snap]]}} button, located in the snap toolbar: {{MenuCommand|View → Toolbars → Draft Snap}}.
  
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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{{Emphasis|Note:}} using many snapping methods at the same time can be problematic; in this case, try activating only one snapping method.
  
Snapping is available with most [[Draft Workbench|Draft]] and [[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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[[Image:Draft_Snap_example.jpg]]
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{{Caption|Line snapping perpendicularly to another line}}
  
While using many snapping methods at the same time can be useful to draw your objects in the desired positions, it can also be problematic if your cursor attaches constantly to the wrong points. If this is the case, and you are having problems correctly positioning your points, try using only one snapping method at the time.
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== Draft Snap toolbar == <!--T:3-->
  
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[[Image:Draft_Snap_example.jpg|Line snapping perpendicularly to another line]]
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* [[Image:Draft_ToggleSnap.svg|32px]] [[Draft_ToggleSnap|Toggle snap]]: toggles [[Draft Snap|object snapping]] globally on or off.
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* [[Image:Snap_Endpoint.svg|32px]] [[Draft_Endpoint|Endpoint]]: snaps to the endpoints of line, arc and spline segments.
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* [[Image:Snap_Midpoint.svg|32px]] [[Draft_Midpoint|Midpoint]]: snaps to the middle point of line and arc segments.
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* [[Image:Snap_Center.svg|32px]] [[Draft_Center|Center]]: snaps to the center point of arcs and circles.
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* [[Image:Snap_Angle.svg|32px]] [[Draft_Angle|Angle]]: snaps to the special cardinal points of circles and arcs, at 45° and 90°.
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* [[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.
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* [[Image:Snap_Perpendicular.svg|32px]] [[Draft_Perpendicular|Perpendicular]]: on line and arc segments, snaps perpendicularly to the latest point.
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* [[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.
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* [[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.
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* [[Image:Snap_Special.svg|32px]] [[Draft_Special|Special]]: snaps on special points defined by the object. {{Version|0.17}}
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* [[Image:Snap_Near.svg|32px]] [[Draft_Near|Near]]: snaps to the closest point or edge on the nearest object.
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* [[Image:Snap_Ortho.svg|32px]] [[Draft_Ortho|Ortho]]: snaps on imaginary lines that cross the last point, and extend at 0°, 45° and 90°.
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* [[Image:Snap_Grid.svg|32px]] [[Draft_Grid|Grid]]: snaps to the intersections of the grid lines, if the grid is visible.
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* [[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.
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* [[Image:Snap_Dimensions.svg|32px]] [[Draft_Dimensions|Dimensions]]: shows temporary X and Y dimensions while snapping.
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* [[Image:Draft_ToggleGrid.svg|32px]] [[Draft_ToggleGrid|Toggle grid]]: toggles the visibility of the grid on or off.
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=== 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.
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* 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.
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* 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}}
  
== Available snap locations == <!--T:3-->
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==Options== <!--T:18-->  
* [[Image:Draft_ToggleGrid.png|32px]] [[Draft ToggleGrid|Toggle grid]]: only shows or hides the grid.
 
* [[Image:Snap_Near.png|32px]] [[Draft Near|Near]]: snaps to the closest point or edge on the nearest object.
 
* [[Image:Snap_Extension.png|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_Parallel.png|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_Grid.png|32px]] [[Draft Grid|Grid]]: snaps to the intersections of the grid lines, if the grid is visible.
 
* [[Image:Snap_Endpoint.png|32px]] [[Draft Endpoint|Endpoint]]: snaps to the endpoints of line, arc and spline segments.
 
* [[Image:Snap_Midpoint.png|32px]] [[Draft Midpoint|Midpoint]]: snaps to the middle point of line and arc segments.
 
* [[Image:Snap_Perpendicular.png|32px]] [[Draft Perpendicular|Perpendicular]]: on line and arc segments, snaps perpendicularly to the latest point.
 
* [[Image:Snap_Angle.png|32px]] [[Draft Angle|Angle]]: snaps to the special cardinal points of circles and arcs, at 45° and 90°.
 
* [[Image:Snap_Center.png|32px]] [[Draft Center|Center]]: snaps to the center point of arcs and circles.
 
* [[Image:Snap_Ortho.png|32px]] [[Draft Ortho|Ortho]]: snaps on imaginary lines that cross the last point, and extend at 0°, 45° and 90°.
 
* [[Image:Snap_Intersection.png|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_Special.png|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_WorkingPlane.png|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.
 
  
==Options== <!--T:4-->
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* [[Image:Snap_Lock.png|32px]] [[Draft ToggleSnap|Lock]]: turns snapping on/off globally
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* 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|[}} (increase) or {{KEY|]}} (decrease) keys.
* 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.
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* Pressing {{KEY|A}} while drawing locks the current angle of the line segment being drawn. (''Editor: maybe obsolete?'')
* 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.
 
* 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.
 
* Pressing {{KEY|Q}} while drawing inserts a hold point at the current location of the mouse cursor. You will then be able to snap orthogonally to those hold points, and at the intersections of their orthogonal axes. If midpoint snapping is enabled, you will also be able to snap at the mid distance between any two hold points. {{Version|0.17}}
 
  
 
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Latest revision as of 19:45, 15 May 2020

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Description

The Workbench Draft.svg Draft Workbench tools allow you to pick points and distances by clicking on the 3D view with the pointer, or by entering Draft Coordinates in the task panel of the tool.

Another way of selecting points is by 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 Draft ToggleSnap.svg Toggle snap button, located in the snap toolbar: View → Toolbars → Draft Snap.

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

Draft Snap example.jpg

Line snapping perpendicularly to another line


Draft Snap toolbar

  • Draft ToggleSnap.svg Toggle snap: toggles object snapping globally on or off.
  • Snap Endpoint.svg Endpoint: snaps to the endpoints of line, arc and spline segments.
  • Snap Midpoint.svg Midpoint: snaps to the middle point of line and arc segments.
  • Snap Center.svg Center: snaps to the center point of arcs and circles.
  • Snap Angle.svg Angle: snaps to the special cardinal points of circles and arcs, at 45° and 90°.
  • Snap Intersection.svg Intersection: snaps to the intersection of two line or arc segments. Hover the mouse over the two desired objects to activate their intersection snaps.
  • Snap Perpendicular.svg Perpendicular: on line and arc segments, snaps perpendicularly to the latest point.
  • Snap Extension.svg 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.
  • Snap Parallel.svg Parallel: snaps on an imaginary line parallel to a line segment. Hover the mouse over the desired object to activate its parallel snap.
  • Snap Special.svg Special: snaps on special points defined by the object. introduced in version 0.17
  • Snap Near.svg Near: snaps to the closest point or edge on the nearest object.
  • Snap Ortho.svg Ortho: snaps on imaginary lines that cross the last point, and extend at 0°, 45° and 90°.
  • Snap Grid.svg Grid: snaps to the intersections of the grid lines, if the grid is visible.
  • Snap WorkingPlane.svg Working plane: always places the snapped point on the current working plane, even if you snap to a point outside that working plane.
  • Snap Dimensions.svg Dimensions: shows temporary X and Y dimensions while snapping.
  • Draft ToggleGrid.svg Toggle grid: toggles the visibility of the grid on or off.

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

  • 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. (Editor: maybe obsolete?)