有谁知道将 DXF 文件转换为 PNG 或 PDF 的方法吗?
我有一个巨大的 DXF 文件列表,我想将它们转换为图像以便更快地查看它们。
如果可能的话,如何提取 DXF 文件值,例如 DXF 文件中绘图的厚度或尺寸。
https://github.com/Hamza442004/DXF2img https://github.com/Hamza442004/DXF2img
import matplotlib.pyplot as plt
import ezdxf
from ezdxf.addons.drawing import RenderContext, Frontend
from ezdxf.addons.drawing.matplotlib import MatplotlibBackend
#import wx
import glob
import re
class DXF2IMG(object):
default_img_format = '.png'
default_img_res = 300
def convert_dxf2img(self, names, img_format=default_img_format, img_res=default_img_res):
for name in names:
doc = ezdxf.readfile(name)
msp = doc.modelspace()
# Recommended: audit & repair DXF document before rendering
auditor = doc.audit()
# The auditor.errors attribute stores severe errors,
# which *may* raise exceptions when rendering.
if len(auditor.errors) != 0:
raise exception("The DXF document is damaged and can't be converted!")
else :
fig = plt.figure()
ax = fig.add_axes([0, 0, 1, 1])
ctx = RenderContext(doc)
ctx.set_current_layout(msp)
ctx.current_layout.set_colors(bg='#FFFFFF')
out = MatplotlibBackend(ax)
Frontend(ctx, out).draw_layout(msp, finalize=True)
img_name = re.findall("(\S+)\.",name) # select the image name that is the same as the dxf file name
first_param = ''.join(img_name) + img_format #concatenate list and string
fig.savefig(first_param, dpi=img_res)
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