生成的 DXF 文件在 AutoCAD 中打开但使 BricsCAD 崩溃
Generated DXF file opens in AutoCAD but crashes BricsCAD
我正在 Delphi 开发 DXF（AC1021 版本）导出器，我 运行 遇到了一些问题。我仔细查看了 ezdxf 的最小文件结构，我能够在 delphi.
中成功生成它
现在我遇到的问题是生成的文件在 AutoCAD 中工作正常，但是当我尝试单击块中的实体时，BricsCAD 崩溃了。
下面我将生成的文件发送给您。也许有人知道分析工具可能知道我的 dxf 有什么问题 exporter.Thanks 所有提示！
999
TFPDxfWriteBridge by wingdesigner
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EOF
编辑
事实证明，BricsCAD 有一个很好的恢复工具。根据该工具 Hard POinter/ID Handle of PlotStyleName Object (390) 是错误的。
- 名称：AcDbLayerTableRecord(17)；值：PlotStyleName Id (F)；验证：无效；替换为：设置为 Null。
这大大缩小了可能性，但并没有完全解决问题，因为我不太确定 PlotStyleName object 对我来说是什么。
我不知道 BricsCAD，但它可能是 BricsCAD 不支持的一些 AutoCAD 友好的 dxf 代码。
试试这个 dxf 文件，看看它是否在 BricsCAD 中产生同样的错误
它只包含一个块（缩放-扩展以找到它）。
如果有效，我们可以查明导致文件崩溃的原因。
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ACAD
70
0
0
APPID
2
ACADANNOTATIVE
70
0
0
APPID
2
ACAECLAYERSTANDARD
70
0
0
APPID
2
ACCMTRANSPARENCY
70
0
0
APPID
2
ACAD_EXEMPT_FROM_CAD_STANDARDS
70
0
0
APPID
2
ACAD_DSTYLE_DIMJAG
70
0
0
APPID
2
ACAD_DSTYLE_DIMBREAK
70
0
0
APPID
2
ACAD_DSTYLE_DIMTALN
70
0
0
APPID
2
ACADANNOPO
70
0
0
APPID
2
ACAD_DSTYLE_DIMJOGGED_JOGA
70
0
0
APPID
2
ACAD_DSTYLE_DIMTEXT_FILL
70
0
0
APPID
2
ACAD_MLEADERVER
70
0
0
ENDTAB
0
TABLE
2
DIMSTYLE
70
3
0
DIMSTYLE
2
STANDARD
70
0
3
4
5
6
7
40
1.0
41
0.18
42
0.0625
43
0.38
44
0.18
45
0.0
46
0.0
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0.0
48
0.0
140
0.18
141
0.09
142
0.0
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25.399999999999999
144
1.0
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0.0
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1.0
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0.09
71
0
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0
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1
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1
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0
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170
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5
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5
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1.0
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170
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175
0
176
2
177
0
178
7
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ENDTAB
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ENDSEC
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SECTION
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BLOCKS
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BLOCK
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POINTS
2
Block0
70
0
10
0
20
0
30
0
3
Block0
1
0
SOLID
5
100004
8
POINTS
10
678218.2191
20
2717042.676
30
0
11
678220.4691
21
2717042.676
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0
12
678218.2191
22
2717040.426
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0
13
678220.4691
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2717040.426
33
0
39
1
210
0
220
0
230
1
0
TEXT
5
100005
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POINTS
10
678221.5941
20
2717043.801
30
0
11
678221.5941
21
2717043.801
31
0
72
0
73
1
40
2.25
1
point
50
0
7
STANDARD
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ENDBLK
5
100002
8
POINTS
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BLOCK
8
0
2
$MODEL_SPACE
70
0
10
0.0
20
0.0
30
0.0
3
$MODEL_SPACE
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0
ENDBLK
5
10
8
0
0
BLOCK
67
1
8
0
2
$PAPER_SPACE
70
0
10
0.0
20
0.0
30
0.0
3
$PAPER_SPACE
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0
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11
67
1
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ENTITIES
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POINT
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100003
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POINTS
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678219.3441
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INSERT
5
100001
8
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2
Block0
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20
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30
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0
ENDSEC
0
EOF
我发现 BricsCAD 可以使用内部 _RECOVER 函数来分析输入文件并警告用户可能的错误。
事实证明，层 (390) 的自指针未正确定义。将 390 设置为 0 而不是 F，不是解决问题的最干净和最正确的方法，但它可以完成工作。
我正在 Delphi 开发 DXF（AC1021 版本）导出器，我 运行 遇到了一些问题。我仔细查看了 ezdxf 的最小文件结构，我能够在 delphi.
中成功生成它现在我遇到的问题是生成的文件在 AutoCAD 中工作正常，但是当我尝试单击块中的实体时，BricsCAD 崩溃了。
下面我将生成的文件发送给您。也许有人知道分析工具可能知道我的 dxf 有什么问题 exporter.Thanks 所有提示！
999
TFPDxfWriteBridge by wingdesigner
0
SECTION
2
HEADER
9
$ACADVER
1
AC1021
9
$HANDSEED
5
20000
0
ENDSEC
0
SECTION
2
CLASSES
0
ENDSEC
0
SECTION
2
TABLES
0
TABLE
2
VPORT
5
A
330
0
100
AcDbSymbolTable
70
1
0
VPORT
5
B
330
A
100
AcDbSymbolTableRecord
100
AcDbViewportTableRecord
2
*ACTIVE
70
0
10
0
20
0
11
1
21
1
12
209
22
86
13
0
23
0
14
10
24
10
15
1
25
1
16
0
26
0
36
1
17
0
27
0
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0
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319
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2
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71
0
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100
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1
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LTYPE
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0
3
72
65
73
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0.000
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E
330
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100
AcDbSymbolTableRecord
100
AcDbLinetypeTableRecord
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0
3
72
65
73
0
40
0.000
0
LTYPE
5
F
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100
AcDbSymbolTableRecord
100
AcDbLinetypeTableRecord
2
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70
0
3
Solid line
72
65
73
0
40
0.000
0
ENDTAB
0
TABLE
2
LAYER
5
10
330
0
100
AcDbSymbolTable
70
1
0
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5
11
330
10
100
AcDbSymbolTableRecord
100
AcDbLayerTableRecord
2
0
70
0
62
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6
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370
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390
F
0
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0
TABLE
2
STYLE
5
12
330
0
100
AcDbSymbolTable
70
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STYLE
5
13
330
12
100
AcDbSymbolTableRecord
100
AcDbTextStyleTableRecord
2
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70
0
40
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1.00
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txt
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5
15
330
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AcDbSymbolTable
70
0
0
ENDTAB
0
TABLE
2
UCS
5
17
330
0
100
AcDbSymbolTable
70
0
0
ENDTAB
0
TABLE
2
APPID
5
18
330
0
100
AcDbSymbolTable
70
1
0
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5
19
330
18
100
AcDbSymbolTableRecord
100
AcDbRegAppTableRecord
2
ACAD
70
0
0
ENDTAB
0
TABLE
2
DIMSTYLE
5
1A
330
0
100
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70
1
100
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71
1
0
DIMSTYLE
105
1B
330
1A
100
AcDbSymbolTableRecord
100
AcDbDimStyleTableRecord
2
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70
0
40
1
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274
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0
282
0
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286
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288
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289
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340
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371
-2
372
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0
ENDTAB
0
TABLE
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BLOCK_RECORD
5
1C
330
0
100
AcDbSymbolTable
70
2
0
BLOCK_RECORD
5
1D
330
1C
100
AcDbSymbolTableRecord
100
AcDbBlockTableRecord
2
*Model_Space
70
0
280
1
281
0
0
BLOCK_RECORD
5
21
330
1C
100
AcDbSymbolTableRecord
100
AcDbBlockTableRecord
2
*Paper_Space
70
0
280
1
281
0
0
BLOCK_RECORD
5
25
330
1C
100
AcDbSymbolTableRecord
100
AcDbBlockTableRecord
2
TEST_BLOCK
70
0
280
1
281
0
0
ENDTAB
0
ENDSEC
0
SECTION
2
BLOCKS
0
BLOCK
5
1E
330
1D
100
AcDbEntity
8
0
100
AcDbBlockBegin
2
*Model_Space
70
0
10
0.00
20
0.00
30
0.0
3
*Model_Space
1
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5
20
330
1D
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AcDbEntity
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0
100
AcDbBlockEnd
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BLOCK
5
22
330
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AcDbEntity
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0
100
AcDbBlockBegin
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*Paper_Space
70
0
10
0.00
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0.00
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0.0
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330
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AcDbEntity
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AcDbBlockEnd
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BLOCK
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AcDbEntity
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AcDbBlockBegin
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TEST_BLOCK
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0.00
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0.0
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TEST_BLOCK
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AcDbEntity
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AcDbEntity
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AcDbPoint
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AcDbEntity
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ARC
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EOF
编辑
事实证明，BricsCAD 有一个很好的恢复工具。根据该工具 Hard POinter/ID Handle of PlotStyleName Object (390) 是错误的。
- 名称：AcDbLayerTableRecord(17)；值：PlotStyleName Id (F)；验证：无效；替换为：设置为 Null。
这大大缩小了可能性，但并没有完全解决问题，因为我不太确定 PlotStyleName object 对我来说是什么。
我不知道 BricsCAD，但它可能是 BricsCAD 不支持的一些 AutoCAD 友好的 dxf 代码。
试试这个 dxf 文件，看看它是否在 BricsCAD 中产生同样的错误 它只包含一个块（缩放-扩展以找到它）。
如果有效，我们可以查明导致文件崩溃的原因。
0
SECTION
2
HEADER
9
$ACADVER
1
AC1009
9
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10
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20
0.0
30
0.0
9
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70
1
9
$FILLMODE
70
1
9
$QTEXTMODE
70
0
9
$MIRRTEXT
70
0
9
$DRAGMODE
70
2
9
$LTSCALE
40
1.0
9
$OSMODE
70
2215
9
$ATTMODE
70
1
9
$TEXTSIZE
40
0.15
9
$TRACEWID
40
1.0
9
$TEXTSTYLE
7
STANDARD
9
$CLAYER
8
DEFPOINTS
9
$CELTYPE
6
BYLAYER
9
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62
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$DIMGAP
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$HANDSEED
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$UCSYDIR
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10
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$PUCSXDIR
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$PUCSYDIR
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70
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70
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9
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70
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$USERR5
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我发现 BricsCAD 可以使用内部 _RECOVER 函数来分析输入文件并警告用户可能的错误。
事实证明，层 (390) 的自指针未正确定义。将 390 设置为 0 而不是 F，不是解决问题的最干净和最正确的方法，但它可以完成工作。