text_to_dxf README:

This software converts the specifications to draw figures including lines, circles and arcs into .dxf format. You just need to specify co-ordinates of points and some parameters like radius, angles etc and the program will automatically draw the figure and generate the dxf file. You can use combination of points to draw many type of figures such as triangle, quadrilateral, polygon etc. Also you can draw as many figures as you want using only one input file.
Please see section "Input File Format" below for input file specification. If you export spreadsheet as input file then use "Enter" (Newline) as line separator. Lines in input file which do not have valid (numeric) data at required columns would be skipped while processing.

NOTE: Data is required at all columns. But you can skip the figure description rows. On skipping, line will be taken as the default type.

REQUIREMENTS:

This software is totally written in Python. So Python interpretor should be installed correctly in your system. Make sure that python binary is in your system path (to be accessed easily).

This software also uses ezdxf library. To install it, run pip install ezdxf or install from here.

To test the output of this software any CAD software compatible with dxf format should be installed such as LibreCAD, AutoCAD, QCAD etc.

INPUT FILE FORMAT:

Your input text file should be written in following way. Optional lines are surrounded by square brackets ([]). Also here comma (,) is taken as column delimiter for demonstration. In practice you can use any column delimiter of your choice.

############### Start of file ###############
[type of figure,Figure-1 description,show figure code,layer name]
point-1 co-ordinates
point-2 co-ordinates
point-3 co-ordinates
.
.
.
point-n co-ordinates

[type of figure,Figure-2 description,show figure code,layer name]
point-1 co-ordinates
point-2 co-ordinates
point-3 co-ordinates
.
.
.
point-n co-ordinates

.
.
.
.

[type of figure,Figure-n description,show figure code,layer name]
point-1 co-ordinates
point-2 co-ordinates
point-3 co-ordinates
.
.
.
point-n co-ordinates
############### End of File ###############

Details:

Here,
type of figure -
L to draw lines between provided coordinates
C to draw circles with provided coordinates
A to draw arcs with provided coordinates
P to draw polyline with provided coordinates H to draw hatch with provided coordinates

Figure description -
text shown at botton of figure.
Text drawn is bottom centric to the point whose x co-ordinate is mean of largest and smallest x co-ordinates and y co-ordinate is the smallest y co-ordinate - txt_sp (defined in data file) of points constituting the figure.

show figure code -
1 to show (draw) figure and optional text
0 to hide (don't draw) figure and optional text

layer name -
Name of layer on which figure and its optional text is drawn. Currently 5 layers are defined inside the program. So, you can use any value between 0-5.

point co-ordinates -
co-ordinates of point separated by column delimiter (comma in above case). You can specify co-ordinates in any order i.e x,y,z or y,x,z etc. But sequence should be same for all figures. Also you need to mention the co-ordinates order in the data_file.py. Please note that z co-ordinate is not used in the program so you can give only x and y co-ordinates.

• In case of 'L' type (line), format is x,y where
  x: x-coordinate of the point
  y: y-coordinate of the point

• In case of 'C' type (circle), format is x,y,r where
  x: x-coordinate of center of circle
  y: y-coordinate of center of circle
  r: radius of circle

• In case of 'A' type (arc), format is x,y,r,sa,ea where
  x: x-coordinate of center of circle
  y: y-coordinate of center of circle
  r: radius of circle
  sa: starting angle of arc
  ea: ending angle of arc

• In case of 'P' type (polyline), format is x,y,sw,ew,bulge where
  x: x-coordinate of the point in polyline
  y: y-coordinate of the point in polyline
  sw: start width of the line starting from this point
  ew: end width of the line starting from this point
  bulge: arc from this point to next point having diameter = length_of_line * bulge (positive for downward and negative for upward)

• In case of 'H' type (hatch in polyline), format is x,y,bulge where
  x: x-coordinate of the point in polyline
  y: y-coordinate of the point in polyline
  bulge: arc from this point to next point having diameter = length_of_line * bulge (positive for downward and negative for upward)

Note: Figure specifications need to be separated by Empty line.

Note: See samples folder for sample files. You will find python scripts to generate coordinates, text files containing co-ordinates and dxf files showing output of these samples. Redirect output of python script to file and use that file as input to this program.

USAGE:

Extract the package files then cd to extracted directory. Then to run the script you can use any one of following commands:

          #python text_to_dxf.py <inputfile> <outputfile>
                   OR
          #./text_to_dxf.py <inputfile> <outputfile>

Here, is the source .csv (text file) and is resultant .dxf file to be generated. Change the values of various variables defined in data_file.py file according to your requirement.

NOTE: Be sure that you must have write permission in the directory where outputfile is to be generated.

Enjoy.......Have Fun.!!

AUTHORS:

Vikas Mahajan
Website: http://vikasmahajan.wordpress.com
Email: [email protected]

Abhay Yadav
Website: https://everydayabhay.wordpress.com
Email: [email protected]