Tools Reference

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*** DRAFT ***


Tools Menu

The drawing tools are used to create and modify entities such as lines, circles, etc in a drawing... yada, yada, yada


Tool | Icon | Menu Path | Description

Line

2 points {DrawLine}: Draw a line between two assigned points.

Angle {DrawLineAngle}: Draw a line from an assigned point defining the start, middle or end of the line and with an assigned length and angle.

Horizontal {DrawLineHorizontal): Draw a horizontal line from an assigned point defining the start, middle or end of the line and with an assigned length.

Vertical {DrawLineVertical}: Draw a vertical line from an assigned point defining the start, middle or end of the line and with an assigned length.

Freehand Line {DrawLineFree}: Draw a non-geometric line.

Parallel through point {DrawLineParallelThrough}: Draw a given number of lines parallel to a selected existing line through an assigned point.

Parallel {DrawLineParallel}: Draw a given number of lines parallel to a selected existing line with a given distance between lines.

Rectangle {DrawLineRectangle}: Draw a rectagle by assigning the points of two diagonally opposite corners.

Bisector {DrawLineBisector}: Draw a given number of lines bisecting two existing non-parallel lines (e.g. at an angle to each other with or without a common point).

Tangent (P,C) {DrawLineTangent1}: Draw a line from an assigned point tangent to an existing circle.

Tangent (C,C) {DrawLineTangent2}: Draw a line tangent to two existing circles.

Tangent Orthogonal {DrawLineOrthTan}: Draw a line tangent to an existing circle and perpendicular to an existing line.

Orthogonal {DrawLineOrthogonal}: Draw a line of a given length perpendicular to an existing line placing the centre at an assigned point.

Relative Angle {DrawLineRelAngle}: Draw a line with a given length and at a given angle relative to an existing line placing the centre of the line at an assigned point.

Polygon (Cen,Cor) {DrawPolyline}: Draw a polygon with a given number of sides assigning the centre point and point of one vertex.

Polygon (Cen,Tan) {DrawLinePolygonCenTan}: Draw a polygon with a given number of sides assigning the centre point and point of the centre of one side.

Polygon (Cor,Cor) {DrawLinePolygonCorCor}: Draw a polygon with a given number of sides assigning the two points of one side.

Circle

Centre, Point {DrawCircle}: Draw a circle with a given radius by assigning a centre point and a point on the circumference.

Centre, Radius {DrawCircleCR}: Draw a circle with a given radius centred at an assigned point.

2 Points {DrawCircle2P}: Draw a circle with a given diameter by assigning two opposite points on the circumference.

2 Points, Radius {DrawCircle2PR}: Draw a circle with two points on the circumference and with an assigned radius.

3 Points {DrawCircle3P}: Draw a circle assigning three points on the circumference.

Concentric {DrawCircleParallel}: Draw a circle concentric, with the same centre point, to an existing circle.

Circle Inscribed {DrawCircleInscribe}: Draw a circle inside an existing polygon of four sides or more.

Tangential 2 Circles, Radius {DrawCircleTan2}: Draw a circle tangential to two circles with a given radius.

Tangential, 2 Circles, 1 Point {DrawCircleTan2_1P}: Draw a circle tangential to two existing circles and assigning a centre point to establish the radius.

Tangential, 2 Points {DrawCircleTan2}: Draw a circle tangential to an existing circle and define the diameter and placement by assigning two points on the circumference.

Tangential, 2 Circles, Radius {DrawCircleTan2}: Draw a circle tangential to two existing circles with a given radius.

Tangential, 3 Circles {DrawCircleTan3}: Draw a circle tangential to three existing circles and/or lines.

Curve

Center, Point, Angles {DrawArc}: Draw a curve (arc) with a given radius defined by a center point and a point on the circumference, the direction of rotation (clockwise or counter-clockwise), a point defining the start position of the arc and a point defining the end position of the arc.

3 Points {DrawArc3P}: Draw a curve (arc) by assigning three points on the circumference of the arc defining the start position, a point on the circumference and end position of the arc.

Concentric {DrawArcParallel}: Draw a curve (arc) concentric, with the same centre point, to an existing curve (arc) with a defined offset.(*)

Arc Tangential {DrawArcTangential}: Draw a curve (arc) tangential to the end of an exsiting line segment with a defined radius or angle (deg).

Ellipse

Ellipse (Axis) {DrawEllipseAxis}: Draw an ellipse by assigning a centre point, a point on the circumference of major access and a point on the circumference the minor access.

Ellipse Arc (Axis) {DrawEllipseArcAxis}: N/A

Ellipse Foci Point {DrawEllipseFociPoint}: Draw an ellipse by assigning two foci points and a point on the circumference.

Ellipse 4 Point {DrawEllipse4Points}: Draw an ellipse assigning four points on the circumference.

Ellipse Center and 3 Points {DrawEllipseCenter3Points}: Draw an ellipse by assigning a centre point three points on the circumference.

Ellipse Inscribed {DrawEllipseInscribe}: Draw a Ellipse constrained by four existing non-parallel line segments.

Spline

Spline {DrawSpline}: Draw an open or closed spline (curve) by assigning control points and a given degree of freedom (1 - 3).

Spline through points {DrawSplinePoints}: Draw an open or closed spline (curve) by defining points on the spline.

Polyline

Polyline {DrawPolyline}: Draw an open or closed continuous line consisting of one or more straight line or arc segments defined by endpoints and / or radius or angle for arcs.

Add node {PolylineAdd}: Add node to existing polyline. (Use "Snap on Entity" to place new node on segment.)

Append node {PolylineAppend}: Add one or more segments to an existing polyline by selecting polyine and adding new node endpoint.

Delete node {PolylineDel}: Delete selected node of an existing polyline.

Delete between two nodes {PolylineDelBetween}: Delete one or more nodes between selected nodes of an existing polyline.

Trim segments {PolylineTrim}: Extend two seperate non-parallel segments of an existing polyline to intersect at a new node.

Create Equidistant Polylines {PolylineEquidistant}: Draw a given number of polylines parallel to a selected existing polyline with a given distance between lines.

Create Polyline from Existing Segments {PolylineSegment}: Create polyline from two or more existing seperate line or arc segments forming a continuous line.

Select

Select Entity {SelectSingle}: Select, or deselect, one or more entities (default cursor action).

Select Window {SelectWindow}: Select one or more enties enclosed by selection window (L to R), or crossed by selection window (R to L) (default cursor "drag" action).

Deselect Window {DeselectWindow}: Deselect one or more enties enclosed by selection window (L to R), or crossed by selection window (R to L).

(De-)Select Contour {SelectContour}: Select or deselected entities connected by shared points.

Select Intersected Entities {SelectIntersected}: Select on or more entities crossed by selection line.

Deselect Intersected Entities {DeselectIntersected}: Deselect on or more entities crossed by selection line.

(De-)Select Layer {SelectLayer}: Select or deselected all entities on the layer of the selected entity.

Select All {SelectAll}: Select all entities on visible layers ([Ctrl]-[A]).

Deselect all {DeselectAll}: Deselect all entities on visible layers ([Ctrl]-[K] or default [Esc] action).

Invert Selection {SelectInvert}: Select all un-selected entities will deselecting all selected entities.

Dimension

Aligned {DimAligned}: Apply dimension lines and text aligned to an existing entity by selecting start and end points on a line segment and placement point for the text.

Linear {DimLinear}: Apply dimension lines and text at an defined angle to an entity by selecting start and end points on a line segment and placement point for the text.

Horizontal {DimLinearHor}: Apply dimension lines and text aligned to an entity by selecting start and end points on a line segment and placement point for the text.

Vertical {DimLinearVer}: Apply dimension lines and text aligned to an entity by selecting start and end points on a line segment and placement point for the text.

Radial {DimRadial}: Apply dimension lines and text a circle's or arc's radius by selecting entity and placement point for the text.

Diametric {DimDiametric}: Apply dimension lines and text a circle's or arc's diameter by selecting entity and placement point for the text.

Angular {DimAngular}: Apply angular dimension by selecting two existing non-parallel line segments and placement point for the text.

Leader {DimLeader}: Draw a text leader by by selecting start (arrow location), intermediate and end points.

Modify

Attributes {ModifyAttributes}: Modify the common attributes of one or more selected entities, including Layer, Pen color, Pen width, and Pen Line type.

Delete {ModifyDelete}: Mark one or more entities to be deleted, press [Enter] to complete operation.

Delete selected {ModifyDeleteQuick}: Delete one or more selected entities.

Delete Freehand {ModifyDeleteFree}: Delete segment within a polyline define by two points. (Use "Snap on Entity" to place points.)

Move / Copy {ModifyMove}: Move a selected entity by defining a reference point and a relative target point. Optionally keep the original entity (Copy), create mulitple copies and / or alter attributes and layer.

Revert direction {ModifyRevertDirection}: Swap start and end points of one or more selected entities.

Rotate {ModifyRotate}: Rotate a selected entity around a rotation point, moving the entity from a reference point to a target point. Optionally keep the original entity, create multiple copies and / or alter attributes and layer.

Scale {ModifyScale}: Increase or decrease the size of a selected entity from a reference point by a defined factor for both axis. Optionally keep the original entity, create mulitple copies and / or alter attributes and layer.

Mirror {ModifyMirror}: Create a mirror image of a selected entity around an axis defined by two points. Optionally keep the original entity and / or alter attributes and layer.

Move and Rotate {ModifyMoveRotate}: Move a selected entity by defining a reference point and a relative target point and rotataing the entity at a given angle. Optionally keep the original entity, create mulitple copies and / or alter attributes and layer.

Rotate Two {ModifyRotate2}: Rotate a selected entity around an absolute rotation point, while rotating the entity around a relative reference point to a target point. Optionally keep the original entity, create multiple copies and / or alter attributes and layer.

Stretch {ModifyStretch}: Move a selected portion of a drawing by defining a reference point and a relative target point.

Bevel {ModifyBevel}: Create a sloping edge between two intersecting line segments with defined by a setback on each segment.

Fillet {ModifyRound}: Create a rounded edge between two intersecting line segments with defined radius.

Explode Text into Letters {ModifyExplodeText}: Separate a string of text into individual character entities.

Explode {BlocksExplode}: Separate one or more selected blocks into individual entities.

Info

Point inside contour {InfoInside}: Provides indication of point being inside or outside of the selected closed contour (polygon, circle, ployline, etc).

Distance Point to Point {InfoDist}: Provides distance, cartesian and polar coordinates between two specified points.

Distance Entity to Point {InfoDist2}: Provides shortest distance selected entity and specified point.

Angle between two lines {InfoAngle}: Provides angle between two selected line segments, measured counter-clockwise.

Total length of selected entities {InfoTotalLength}: Provides total length of one or more selected entities (length of line segment, circle circimference, etc).

Polygonal Area {InfoArea}: Provides area of polygon defined by three or more specified points.

Misc

MText {DrawMText}: Insert multi-line text into drawing at a specified base point. Optionally define font, text height, angle, width factor, alignment, angle, special symbols and character set.

Text {DrawText}: Insert single-line text into drawing at a specified base point. Optionally define font, text height, alignment, angle, special symbols and character set.

Hatch {DrawHatch}: Fill a closed entity (polygon, circle, polyline, etc) with a defined pattern or a solid fill. Optionally define scale and angle.

Insert Image {DrawImage}: Insert an image, bitmapped or vector, at a specified point. Optionally define angle, scale factor and DPI.

Points {DrawPoint}: Draw a point at the assigned coordinates.

Related

Points: http://wiki.librecad.org/index.php/Points

Snapping: http://wiki.librecad.org/index.php/Snapping

http://wiki.librecad.org/index.php/Category:Tools

http://wiki.librecad.org/index.php/Commands

http://wiki.librecad.org/index.php/A_short_manual_for_use_from_the_command_line

http://wiki.librecad.org/index.php/User_Interface

http://wiki.librecad.org/index.php/LibreCAD_users_Manual