civil 3d draw 3d polyline
3D Polyline
A 3D Polyline is a specialized version of a polyline that can have unlike height at every vertex.
The 3D Polyline command is available from the Draw pulldown carte, from the Describe toolbar or at the Control: line (3DP). Unless disabled, the Polyline 3D Options dialog box will appear after starting Carlson's 3D Polyline control.
Prompt for Elevation/Gradient: When this option is enabled, the elevation for each new vertex volition be displayed as a prompt, giving you an opportunity to override that value by typing in a new elevation. When disabled, the pinnacle to exist assigned to each new vertex is displayed just y'all are not given a chance to assign a unlike elevation.
Prompt for Coordinate Point Elevations: This option merely applies if you specify a point number from an associated Coordinate (.CRD) file to establish the X,Y,Z values for a new 3D Polyline vertex. When this option is enabled, the superlative for each new vertex will be displayed as a prompt, giving you an opportunity to override that value by typing in a new acme. When disabled, the elevation to exist assigned to each new vertex is displayed only y'all are not given a chance to assign a dissimilar elevation.
Superlative Adder: Use this setting to add together a constant elevation value to all default elevation values.
Check Height Range: Enabling this choice allows you to monitor elevations assigned to 3D Polyline vertices and event a warning (with options to correct) if the elevation falls exterior the specified range. If the proposed meridian of a 3D Polyline vertex falls outside the range specified, the Alarm: Elevation Range dialog box is displayed. The Warning: Top Range dialog box allows you to assign a new elevation to the vertex, arrange the acceptable range of elevations or turn OFF monitoring of elevations. 
Skip Inline Vertices for Extend: This setting applies to the "Extend" option with the Full Altitude SubMenu selection. If enabled, an existing vertex will dissolve when lengthening a 3D Polyline segment.
Machine-Zoom Style: This setting provides three options for Auto-Zoom: Never, Proximity or Always. The "Never" setting requires you to manually Zoom or Pan to continue the current polyline vertex centered in the cartoon screen. The "Proximity" setting will activate the "Proximity Level" setting and will automatically re-eye the view only if the current polyline vertex is inside a sure distance of the limits of the drawing expanse. The "Always" selection will automatically re-eye the view afterwards each new polyline vertex is added.
In the "Polyline Properties" department of the dialog box y'all have several alternatives for specifying the layer, color and linetype of the newly created polyline.
Use Current Drawing Properties: Select this choice if you desire the layer, color and linetype of the newly created polyline to match those currently set in the drawing.
Layer: Utilize this setting to manually assign the layer for the newly created polyline. You tin type in the new layer name, utilise the "Select" button to choose an existing layer from the cartoon'southward layer list or use the "Pick" button to select an entity in the drawing and match its layer.
Set Color: Employ this button to manually specify a colour for the newly created polyline.
Width: Specify the width of the newly created polyline.
Linetype: Utilize the "Select" button to manually specify a linetype for the newly created polyline.
Select Code: This option allows you to set the layer, color and linetype of a new polyline by using the backdrop assigned to a Field to Finish field code. The field lawmaking is selected from an existing Field Code table (.FLD) file that has been previously specified in the Point Defaults dialog box.
Prompts
For A 3D Polyline With A Specified Tiptop At Each Vertex:Command: 3dp
[Continue/Extend/Follow/Options/<Pick point or point numbers>]: screen pick a signal
Interpolate/Object/<Top> <0.00>: 150.l
Z: 150.50
[Arc/Close/Distance/Follow/Undo/<Pick point or signal numbers>]: screen pick a indicate
Percent/Ratio/Elevation/Degree/Object/Osnap[.]/Next point or tiptop<Interpolate>: 155.25
Z: 155.25, Hz dist: 324.63, Slope dist: 324.66, Slope: 1.5% Ratio: 68.3:one
[Arc/Close/Distance/Extend/Follow/Line/Disengage/<Selection indicate or signal numbers>]: screen pick a point
Percentage/Ratio/Elevation/Caste/Object/Osnap[.]/Next bespeak or tiptop<Interpolate>: 148.12
Z: 148.12, Hz dist: 272.88, Gradient dist: 272.98, Slope: -two.half dozen% Ratio: -38.3:ane
[Arc/Close/Distance/Extend/Follow/Line/Disengage/<Pick point or betoken numbers>]: press Enter
Command:
For A 3D Polyline With Interpolated Elevations At One or More Vertices:
Command: 3dp
[Continue/Extend/Follow/Options/<Option point or point numbers>]: screen option a point
Interpolate/Object/<Elevation> <0.00>: 91.73
Z: 91.73
[Arc/Close/Distance/Follow/Undo/<Pick signal or point numbers>]: screen pick a point
Percent/Ratio/Top/Caste/Object/Osnap[.]/Next betoken or top<Interpolate>: screen pick a point
This bespeak peak will exist interpolated upon completion.
Pct/Ratio/Elevation/Degree/Object/Osnap[.]/Next point or elevation<Interpolate>: screen option a point
This point peak will exist interpolated upon completion.
Percent/Ratio/Meridian/Degree/Object/Osnap[.]/Next point or elevation<Interpolate>: screen pick a point
This point summit will exist interpolated upon completion.
Percent/Ratio/Elevation/Caste/Object/Osnap[.]/Next point or elevation<Interpolate>: 94.44
Z: 94.44, Hz dist: 79.39, Gradient dist: 122.88, Slope: 0.8% Ratio: 122.4:1
[Arc/Close/Distance/Extend/Follow/Line/Undo/<Option bespeak or betoken numbers>]: printing Enter
Command:
Note that the difference betwixt this and the previous example is that, instead of entering an elevation for each vertex, we are screen picking another new vertex. Each time we neglect to enter an elevation we are notified that, "This indicate acme will be interpolated upon completion." After we specify "94.44" equally the pinnacle of the final vertex, the gradient of the interpolated segments is calculated using the total elevation modify and the total length of all interpolated segments. Now, the elevations of all vertices can be determined and fix based on the resulting slope.
Options and SubMenu Options
Once all settings have been specified and the "OK" push is picked, the options shown below are available from the Control: line. To consequence whatever of these options, simply type in the capitalized portion of the Option at the Command: line and press Enter. The default option is ever shown between angle brackets < Default >.When starting a new 3D Polyline, the initial gear up of options aid you in setting the Ten,Y location of the starting time vertex:
Continue: This option allows you to select an existing polyline to which you'd like to add more line or arc segments. When prompted to "Select a polyline to continue or extend:", you may pick anywhere on the existing polyline and the new segment will begin at the ending vertex nearest your cursor. New line or arc segments can be added past screen-picking or using the options at the Command: line. Once finished adding segments, they are automatically joined to the original polyline.
Extend: This pick gives y'all many ways to lengthen or shorten an existing polyline using the abbreviated SubMenu options shown below. Some of these options create additional segments at the end of the existing polyline and some permit you to modify the length of the ending segment of the polyline. When prompted to "Select a polyline to continue or extend:", y'all may pick anywhere on the existing polyline and the "Extend" will occur at the ending vertex nearest your cursor. One time finished Extending, the new segments are automatically joined to the original polyline.
[I / R / L / S / T / A / B / E / U / Ten / Assistance / <Enter or Pick Altitude>]
I - Input mode - This option toggles the distance input between feet & inches (will prompt first for feet, then prompt over again for inches) and decimal feet.
R - Right rotate - From the ending vertex, turns the arrow ninety-degrees to the right then prompts for a distance.
L - Left rotate - From the catastrophe vertex, turns the arrow 90-degrees to the left and so prompts for a altitude.
S - Switch management - From the ending vertex, turns the pointer 180-degrees and then prompts for a distance.
T - Total distance - Prompts you to "Enter total distance (100.00)" and displays the current length of the segment in parentheses. If a number smaller than the current altitude is entered, this option volition shorten the existing segment. If a number larger than the current distance is entered, this choice will lengthen the existing segment. This option is also afflicted by the Skip Inline Vertices for Extend setting in the Polyline 3D Options dialog box. If "Skip Inline Vertices for Extend" is enabled, so the existing vertex volition be dissolved when lengthening a segment. If the setting is non enabled, then the existing vertex will be left intact and an additional segment will be created inline.
A - Bending change - From the ending vertex, prompts you to "Enter Angle (ddd.mmss):" to turn the pointer past a specified angle and so prompts for a altitude.
B - Bearing/Azimuth/Turned/Deflection - From the ending vertex, this option allows yous to set the pointer direction by specifying an Angle. The Angle format is Qdd.mmss and there are a variety of ways to employ the "Q" value to specify the Angle. Come across hither for more.
East - Extend to edge - Extends current segment to some other line or entity
U - Undo - Undo last activeness
X - Quit extend way - Returns to normal 3D Polyline Depict mode
Help - Displays the descriptions of the Extend options
Enter or Pick Distance - Altitude to extend the current segment
Follow: This pick allows yous to trace all or a portion of an existing polyline. After issuing the "Follow" option, you are prompted to "Select the polyline to Follow:" and then to "Specify the offset follow point:". After snapping to a starting point on the polyline, yous are asked whether you want to "Interpolate follow vertices elevations?". After answering Yes or No, you will so be prompted to specify the "Last follow point or follow distance:" where you can snap to another point on the polyline or type in a distance to trace the existing polyline.
Options: This will display the Polyline 3D Options dialog box.
Pick Betoken or Point Numbers: This is the default prompt for the command. From here you tin prepare a new polyline vertex by screen picking, entering coordinates in Ten,Y format or entering a point number from the associated Coordinate (.CRD) file.
After setting its location, the next set up of options help you calculate the elevation of the initial vertex:
Interpolate: This option will set up the height of the vertex by calculating the slope between other vertices of known peak.
Object: This option allows y'all to "Select an elevation label or a point on a polyline:" to ready the elevation of the vertex. Elevation labels such every bit "FFE: 124.85" or "Z: 124.85" can be selected.
Acme: This is the default selection and prompts you to blazon in the elevation for the vertex.
For subsequent 3D Polyline vertices, several options are added to help y'all in setting the X,Y location of each new vertex:
Arc/Line: New polyline segments can exist either an Arc or a Line segment. If the last polyline segment fatigued was a LINE, then the "Arc" option will be shown as an bachelor option; however, if the concluding polyline segment drawn was an ARC, then the "Line" choice will be bachelor.
When in the "Arc" way, there are many additional SubMenu options available to yous for creating an arc segment within the new polyline. The options are generated directly from the standard CAD version of the PLINE command and include Radius Point, Radius Length, Arc Length, Chord and 2d Indicate (Indicate on Curve).
Close: This pick will create a new Line or Arc segment back to the starting vertex of the polyline and results in a closed polyline.
Altitude: This choice allows you to commencement enter a distance for the new Line segment and so to specify the direction using one of three methods: Cursor, Line or Bending.
Cursor - This method will describe the polyline segment in the direction of your cursor position.
Line - This method prompts you to select a line or polyline segment to which it volition depict a parallel segment.
Angle - This method prompts you for an Bending to make up one's mind the direction of your new polyline segment. The Angle format is Qdd.mmss and there are a diverseness of ways to use the "Q" value to specify the Bending. Run across here for more.
Disengage: Undo the last fatigued polyline segment.
Afterwards setting subsequent vertices, several more options are added to help you calculate the elevation of each new vertex:
Percent: This selection allows you lot to specify the gradient in Per centum format (three%) from the previous vertex.
Ratio: This option allows yous to specify the slope in Ratio format (for three:one, enter 3) from the previous vertex.
Degree: This option allows you to specify the slope bending in decimal degree format (dd.dddd) from the previous vertex.
Osnap[.]: Using the [.] will toggle Running OSNAP settings ON or OFF.
Angle Entry Methods
The Bending format is Qdd.mmss where: Q=quadrant/angle, d=degrees, m=minutes and s=seconds.
The Quadrant/Bending tin be specified as:
1=NE (NorthEast)
2=SE (SouthEast)
three=SW (SouthWest)
4=NW (NorthWest)
5=AZ (AZimuth)
6=AL (turned Bending-Left)
7=AR (turned Bending-Right)
8=DL (Deflection angle-Left)
9=DR (Deflection angle-Right)
Pulldown Menu Location: Draw
Keyboard Command: 3DP
Prerequisite: None
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Source: http://files.carlsonsw.com/mirror/manuals/Carlson_2014/source/General/Draw/3D_Polyline/3D_Polyline.html
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