This commit is contained in:
2025-05-08 09:43:02 +02:00
4 changed files with 99 additions and 70 deletions
+4 -2
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@@ -66,14 +66,16 @@
]
},
{
"name": "draw cable dxf from easy.dxf",
"name": "draw cable dxf from easy.json",
"type": "debugpy",
"request": "launch",
"program": "${file}",
"console": "integratedTerminal",
"justMyCode": true,
"args": [
"--filename",
"--json",
"easy.json",
"--dxf",
"easy.dxf"
]
}
+1
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@@ -9,6 +9,7 @@ set PROJECT_LIB=%PROJECT%\lib
set PROJECT_DATA=%PROJECT%\data
set PROJECT_WORK=%PROJECT%\work
set PROJECT_LOG=%PROJECT%\log
set PROJECT_TEST=%PROJECT%\testdata
if not exist %PROJECT%\work mkdir %PROJECT%\work
if not exist %PROJECT%\log mkdir %PROJECT%\log
+65 -68
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@@ -1,11 +1,13 @@
import argparse
import ezdxf
import random # needed for random placing points
from ezdxf.enums import TextEntityAlignment
import json
import os.path
from dataclasses import dataclass, asdict, fields
from dacite import from_dict
from typing import List
from datetime import datetime
import shutil
@dataclass
@@ -16,91 +18,86 @@ class Point:
@dataclass
class Polyline:
id: str
punkte: List[Point]
coords: List[Point]
def to_tuple(self):
ret = list()
for p in self.coords:
ret.append( (p.x,p.y) )
return ret
@dataclass
class Polylines:
kabel: List[Polyline]
def get_random_point():
"""Returns random x, y coordinates."""
x = random.randint(-100, 100)
y = random.randint(-100, 100)
return x, y
# # Create a block with the name 'FLAG'
def create_block(doc):
flag = doc.blocks.new(name='FLAG')
def add_polyline(msp, points:Polyline, dxf_attribs):
pts = points.to_tuple()
pline = msp.add_lwpolyline(points=pts, dxfattribs=dxf_attribs)
pline.rgb = (255, 128, 0)
# Add DXF entities to the block 'FLAG'.
# The default base point (= insertion point) of the block is (0, 0).
flag.add_lwpolyline([(0, 0), (0, 5), (4, 3), (0, 3)]) # the flag symbol as 2D polyline
flag.add_circle((0, 0), .4, dxfattribs={'color': 2}) # mark the base point with a circle
return flag
def new_dxf(json_file, dxf_file, out_path):
""" creates a new dxf file with a polyline inside which is created by the given json file
"""
with open(json_file, encoding='utf-8') as fh:
data = json.load(fh)
def create_points(msp):
# Get 50 random placing points.
placing_points = [get_random_point() for _ in range(50)]
for point in placing_points:
# Every flag has a different scaling and a rotation of -15 deg.
random_scale = 0.5 + random.random() * 2.0
# Add a block reference to the block named 'FLAG' at the coordinates 'point'.
msp.add_blockref('FLAG', point, dxfattribs={
'xscale': random_scale,
'yscale': random_scale,
'rotation': -15
})
def add_text(msp):
# Use method set_placement() to define the TEXT alignment, because the
# relations between the DXF attributes 'halign', 'valign', 'insert' and
# 'align_point' are tricky.
msp.add_text("A Simple Text").set_placement(
(2, 3),
align=TextEntityAlignment.MIDDLE_RIGHT
)
# Using a predefined text style:
msp.add_text(
"Text Style Example: Liberation Serif",
height=0.35,
dxfattribs={"style": "LiberationSerif"}
).set_placement((2, 6), align=TextEntityAlignment.LEFT)
def add_polyline(msp):
# add a LINE entity
msp.add_line((0, 0), (50, 0))
points = [(0, 0), (3, 0), (6, 3), (6, 6)]
msp.add_lwpolyline(points)
def new_dxf(path):
anlage = from_dict(
data_class=Polylines,
data=data
)
#print(anlage)
# Create a new drawing in the DXF format of AutoCAD 2010
doc = ezdxf.new('R2018', setup=True)
#doc = ezdxf.new('R2018', setup=True)
# 1. Bestehende DXF-Datei laden
doc = ezdxf.readfile(dxf_file)
msp = doc.modelspace()
# 2. Layer mit Zeitstempel erstellen (z.B. "Layer_2025-05-07_14-30")
timestamp = datetime.now().strftime("Kabel_%Y-%m-%d_%H-%M")
if timestamp not in doc.layers:
doc.layers.add(name=timestamp, color=7)
# add new entities to the modelspace
msp = doc.modelspace()
# # Beispiel für Text und Polyline
# add_text(msp)
# add_polyline(msp)
dxfattribs={"layer": timestamp}
for pl in anlage.kabel:
add_polyline(msp, pl, dxfattribs)
# Beispiel für Block
create_block(doc)
create_points(msp)
doc.saveas(path)
doc.saveas(out_path)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='draws a dxf file with the given cable coordinates', prog='drawdxf')
parser.add_argument('-f', '--filename', action='store', required=True, default="easy.dwg", help='which file should be fetched', metavar='myfile.dwg')
parser.add_argument('-j', '--jsonfile', action='store', required=True, help='this json file contains all cables and its coordinates which should be drawn', metavar='myfile.json')
parser.add_argument('-d', '--dxf', action='store', required=True, help='this dxf drawing will be copied and the new layer with the cables will be added', metavar='myfile.dxf')
args = parser.parse_args()
work_dir = os.environ.get('PROJECT_WORK')
filename = os.fspath(args.filename)
path = os.path.join(work_dir, filename + '_cable.dxf')
work_dir = os.fspath(os.environ.get('PROJECT_WORK'))
jfile = args.jsonfile
dxf_file = args.dxf
if args.filename:
res_pos = new_dxf(filename)
if args.jsonfile and args.dxf:
jpath = os.path.join(work_dir, os.fspath(jfile))
dxf_path = os.path.join(work_dir, os.fspath(dxf_file))
if not os.path.exists(jpath):
print("file %s does not exit", jpath)
exit()
if not os.path.exists(dxf_path):
print("file %s does not exit", dxf_path)
exit()
basename = os.path.splitext(dxf_path)[0]
timestamp = datetime.now().strftime(basename+"_%Y%m%d-%H%M%S.dxf")
out_path = os.path.join(work_dir, timestamp)
# erzeuge eine neue dxf Datei mit aktuellen Zeitstempel im Namen
res_pos = new_dxf(jpath, dxf_path, out_path)
else:
parser.print_help()
+29
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@@ -0,0 +1,29 @@
{
"kabel": [
{
"id": "BG3241-UC0101",
"coords": [
{ "x": 45, "y": 1235 }, { "x": 40, "y": 4000 } ]
} ,
{
"id": "BG3240-UC0101",
"coords": [
{ "x": 4950,"y": 5595 },{ "x": 4946,"y": 5595 },{ "x": 4946,"y": 3879 },{ "x": 40,"y": 3879 },{ "x": 40,"y": 4000 }
]
},
{
"id": "FC0062-UC0101",
"coords": [
{ "x": 4975,"y": 8068 },{ "x": 4946,"y": 8068 },{ "x": 4946,"y": 3879 },{ "x": 40,"y": 3879 },{ "x": 40,"y": 4000 }
]
},
{
"id": "MA0062-UC0101",
"coords": [
{ "x": 4975,"y": 8068 },{ "x": 4946,"y": 8068 },{ "x": 4946,"y": 3879 },{ "x": 40,"y": 3879 },{ "x": 40,"y": 4000 }
]
}
]
}