GeoTools->Polyline Tool Set 2

Prev. Polyline Tool Set 1

Table of Contents

Polyline Tool Set 3

The Polyline tools are a set of tools for performing various types of editing and inquiry operations on polylines.




Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Specify a new start point for polylines
Command line : GT_NEWSTART 
The GT_NEWSTART command allows to specify a new start point for closed polylines. Use this to change the start point of closed polylines without changing the polyline geometry. The new point specified must fall on the polyline and the nearest vertex is taken as the start point and the polyline is re-constructed.



Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Explode wide polylines retain width geometry
Command line : GT_XP_WPL 
The GT_XP_WPL command allows Linear polylines with widths to be exploded and to retain the geometry of the original polyline. The exploded objects will be created as lines.

Layer to place  

Source: Explodes the polyline and places the result in the layer in which it was created (source layer)

Current: Explodes the polyline and places the result in the layer which is current

Specify: Explodes the polyline and places the result in the layer selected by the user

Layer-name: Displays the name of the layer selected

Select: Clicking on Select button pops up the select layer dialog box

Delete original objects: Checking this box deletes the original source object after exploding

 

Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Filter polylines
Command line : GT_PLFILTER 

Filters polylines based on their properties.

Apply powerful filters on polylines

The following properties of polylines can be filtered from the selection set.

2D 3D Open
Closed Fitted Arced
Splined Meshed Polyface
Z value Length Number of vertices
Area Start-End Distance  

The length, area, number of vertices or start-end distances are specified by entering < n, <= n, > n, >= n, = n, /= n where "n" is the value to check for.

Specify the numeric logical comparative operator in one of these ways.

< 'Value' - Less than 'Value'
<= 'Value' - Less than or equal to 'Value'
> 'Value' - Greater than 'Value'
>= 'Value' - Greater than or equal to 'Value'
= 'Value' - Equal to 'Value'
/= 'Value' - Not Equal to 'Value'

Enter Length / Area / Z criteria: <= 55.0
This would select all objects with the specified property less than or equal to 55.0

Notes: The Start-End distances are always measured in slope in the case of 3d polylines. The Z value check will fail if there is even one vertex in the polyline that fails to meet the criterion.



Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Offset 3D polylines
Command line : GT_3DOFFSET 

The GT_3DOFFSET command is used to offset 3d polylines in the same manner as 2d polylines. 3D polyline can be offset both horizontally and vertically. This can be a very useful in several civil engineering design situations that require the offsetted polyline to be elevated or lowered by a fixed amount relative to the source polyline.


GT_3DOFFSET Tutorial 



Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Extract part of polyline
Command line : GT_PARTEXTRACT 
See under Build Tools

Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Copy part of polyline
Command line : GT_PARTCOPY
See under Build Tools


Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Offset part of polyline
Command line : GT_PARTOFFSET 
See under Build Tools


Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Stretch part of polyline
Command line : GT_PARTSTRETCH 
See under Build Tools


Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Mirror part of polyline
Command line : GT_PARTMIRROR 
See under Build Tools


Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Rotate part of polyline
Command line : GT_PARTROTATE 
See under Build Tools


Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Reshape part of a polyline
Command line : GT_PARTRESHAPE
The GT_PARTRESHAPE command can be used to re-shape or, in other words, re-digitize part of a polyline. You will be asked to pick two points on a polyline and will be prompted to pick the new locations of the points in between. The source polyline will then be updated and the newly digitized points will be used instead of the old set of points between the two source points.


Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Determine direction of polyline
Command line : GT_PL_DIR 
The GT_PL_DIR command determines if the selected polyline vertices flow in the clockwise or counter clockwise direction

See Also: GT_PL_STAT



Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Provide detailed polyline statistics
Command line : GT_PL_STAT 

Create output file: Check this option if you want the output from this command to be saved to an ASCII text file.

Browse: Click on this button to select an output file to save the polyline statistics listing

Create tabular output: Creates the polyline statistics in a tabulated form

Treat polyline as elevation view: Checking this option causes the polyline to be treated as elevation view. In other words, the X and Y of the two vertices of the polyline are treated as measurements in the Z plane and the difference between the Y values is taken as the actual elevation difference between the points.

Hide dialog box and run GT_PL_STAT with current settings next time: Checking this option causes GT_PL_STAT to run the next time without dialog box. You will be prompted to only select the polyline to compute statistics and the program operates with the current settings as last set. This setting enables users to run the command quickly without having to navigate through the dialog box each time. The setting remains in place for the current AutoCAD session unless it is reset using the 'GT_ShowDlg' command. 

Table Text Height: Specify the required text height for the contents of table.

An example of the statistical information is shown below:

Polyline properties:
----------------------
Polyline is Open.
Polyline is 2D.
Polyline does not contain arc segments.
This is a clockwise polyline.
Polyline is a light weight polyline.

The picked point is at vertex # 3
The coordinates of the picked point is: 3.4398,4.7316,0
The elevation at the picked point is: 0
Slope Length : 8.3293 Projected horizontal length: 8.3293
Maximum X coordinate : 8.7316 Minimum X coordinate : 1.7754
Maximum Y coordinate : 5.4440 Minimum Y coordinate : 3.3751
Maximum Z coordinate : 0 Minimum Z coordinate : 0
Number of vertices : 7

Press any key to continue.

Vertex #

X-Coord

Y-Coord

Z-Coord

SegmentLength

SegmentSlope(%)

SegmentSlope(degs)

Azimuth(Bearing)

1

1.7754

3.3751

0

1

0.0000%

0.0000 degs

Horiz 27.7211

2          

2.3636

4.4943

0           

1           

0.0000%

0.0000 degs

Horiz 101.9711

3          

3.1101

4.3361  

0           

1           

0.0000%

0.0000 degs    

Horiz 39.8179

4          

4.0149

5.4214  

0           

1           

0.0000%

0.0000 degs    

Horiz 101.6543

5           

5.4401

5.1275  

0           

1           

0.0000%

0.0000 degs    

Horiz 75.7249

6          

6.6843

5.4440   

0            

2           

0.0000%

0.0000 degs    

Horiz 107.7604

7          

8.7316

4.7883  

0

 

 

 

 

Longest segment in polyline : 2.1497
Shortest segment in polyline : 0.7631
Average segment length in polyline : 1.3882


GT_PL_STAT Tutorial

See Also:
GT_PL_DIR


Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Explode splined and fitted polylines
Command line : GT_XPSPL 
This command is used to explode splined and fitted polylines. Upon selecting the splined or fitted polylines, they are exploded into their line or arc segment and then joined back to produce a "plain" polyline with line or arc segments. This command is useful to many geographic and surveying users who require a non-splined non-fitted polyline for many design purposes.



Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Convert  a spline/ellipse to a polyline
 
Command line : GT_SPL2PL 

Convert splines to polylines

It is possible to use the GT_SPL2PL command to convert splines to polylines in three different ways.

Join Fit points: This option joins all the Fit points (DXF Code 11) of a spline and creates a polyline out of it.

Join Control points:  This option joins all the Control (DXF Code 10) points of a spline and creates a polyline out of it.

Re-create spline geometry (DXF method): This method is the most precise and attempts to re-create the geometry of the spline as closely as possible. It works by creating the DXF output of the spline object in Release 12 format and then imports it in again as a polyline. With long polylines, this may occasionally cause AutoCAD to become unstable and even crash. Please ensure that you save your drawing prior to running this command. 

Interpolate by inter-vertex distance: This method allows specifying a distance between the two vertices of the polyline that will be created.

Vertex distance:
Specify the vertex distance here. Every polyline vertex will be spaced apart by this amount.  

Layer to place  

Source: Choosing this option places the result in the layer in which it was created (source layer)

Current: Choosing this option places the result in the current layer

Specify: Choosing this option allows to specify the layer  to place the resultant object

Layer-name: Displays the name of the layer selected

Select: Clicking on Select button pops up the select layer dialog box

Delete original objects: Checking this box deletes the original source object (Spline) after converting to polyline

GT_SPL2PL Tutorial

See Also: GT_PL2SPL


Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Convert polylines to spline objects.
Command line : GT_PL2SPL 
Converts polylines to splines. The defining vertices of the polylines are used as the Spline Fit points.

Layer to place  

Source: Choosing this option places the result in the layer in which it was created (source layer)

Current: Choosing this option places the result in the current layer

Specify: Choosing this option allows to specify the layer  to place the resultant object

Layer-name: Displays the name of the layer selected

Select: Clicking on Select button pops up the select layer dialog box

Delete original objects: Checking this box deletes the original source object (Polyline) after converting to spline

GT_PL2SPL Tutorial

See Also: GT_SPL2PL




Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Express PEDIT
Command line : GT_XV 
Express Pedit allows a faster and quicker way to access some of the Pedit Edit Vertex commands like Move, Insert and Break. Additionally, it also provides extra commands like polyline statistics - slope length, horizontal projected length, X, Y and Z coordinate extents and number of vertices.

Select vertex on polyline:
Next / Previous / Move / Z / Insert / Break / Statistics / Settings / eXit <Next>:

Use Next and Previous to navigate through the vertices of the polyline. The current vertex is always shown with a cross attached to it.

Move allows specifying a new location for the current vertex.

Z allows the elevation of the current point to be set

Insert allows a new vertex to be added between the current vertex and the next vertex.

Break allows the polyline to be broken at the current point. Saves some keystrokes as compared to the Pedit command.

Statistics: Generates detailed polyline statistics

Settings allows specifying whether the Move and Insert sub-commands take the Z value from the new location or inherit it from the current vertex elevation.

An example of the statistical information is shown below:

Slope length:22719.1175 Projected horizontal length:22718.4936
Max. X-coordinate:2025286.6092 Min. X-coordinate:2010210.0148
Max. Y-coordinate:924910.0082 Min. Y-coordinate:913590.4827
Max. Z-coordinate:212.5000 Min. Z-coordinate:45.6000
Number of vertices:15

Press any key to continue.

Tech Info: Make sure that the entire polyline is visible on screen.

GT_XV Tutorial




Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Zoom to the extents of a polyline or spline
Command line : GT_ZPOLY
Pick a polyline and zoom to the lower left and upper right extents.



Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Display info about polyline bulge
Command line : GT_BULGE 
See Under Inquiry Tools



Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Enhanced easy interface to create 3D polylines.
Command line : GT_EASY3DPOLY 
See Under Draw Tools

See Also: GT_EASY3DFACE



Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Multiple offset relative
Command line : GT_MOFFSET 
See Under Build Tools



Toolbar : Polyline Tool Set 2
     
Menu : GeoTools Polyline Tool Set 2 Multiple offset absolute
Command line : GT_MOFFSET
See Under Build Tools
  

Prev. Polyline Tool Set 1

Table of Contents

Polyline Tool Set 3