-1

I am working on a DXF (AC1021 version) exporter in Delphi and I ran into some problems. I was looking closely at ezdxf for minimum file structure and I was able to successfully generate it in delphi.

Now the problem I have is that the generated file works OK in AutoCAD but chrashes BricsCAD as soon as I try to click on entity from block.

Below I am sending you my generated file. Maybe somebody knows an analyzing tool are maybe has an idea what is wrong with my dxf exporter.Thanks for all the hints!

    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
37
0
40
319
41
2
42
50
43
0
44
0
50
0
51
0
71
0
72
100
73
1
74
3
75
0
76
0
77
0
78
0
281
0
65
1
110
0
120
0
130
0
111
1
121
0
131
0
112
0
122
1
132
0
79
0
146
0
348
10020
60
7
61
5
292
1
282
1
141
0
142
0
63
250
421
3358443
0
ENDTAB
0
TABLE
2
LTYPE
5
C
330
0
100
AcDbSymbolTable
70
4
0
LTYPE
5
D
330
C
100
AcDbSymbolTableRecord
100
AcDbLinetypeTableRecord
2
ByBlock
70
0
3

72
65
73
0
40
0.000
0
LTYPE
5
E
330
C
100
AcDbSymbolTableRecord
100
AcDbLinetypeTableRecord
2
ByLayer
70
0
3

72
65
73
0
40
0.000
0
LTYPE
5
F
330
C
100
AcDbSymbolTableRecord
100
AcDbLinetypeTableRecord
2
CONTINUOUS
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
LAYER
5
11
330
10
100
AcDbSymbolTableRecord
100
AcDbLayerTableRecord
2
0
70
0
62
7
6
CONTINUOUS
370
-3
390
F
0
ENDTAB
0
TABLE
2
STYLE
5
12
330
0
100
AcDbSymbolTable
70
3
0
STYLE
5
13
330
12
100
AcDbSymbolTableRecord
100
AcDbTextStyleTableRecord
2
Standard
70
0
40
0.00
41
1.00
50
0.00
71
0
42
1.00
3
txt
4

0
ENDTAB
0
TABLE
2
VIEW
5
15
330
0
100
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
APPID
5
19
330
18
100
AcDbSymbolTableRecord
100
AcDbRegAppTableRecord
2
ACAD
70
0
0
ENDTAB
0
TABLE
2
DIMSTYLE
5
1A
330
0
100
AcDbSymbolTable
70
1
100
AcDbDimStyleTable
71
1
0
DIMSTYLE
105
1B
330
1A
100
AcDbSymbolTableRecord
100
AcDbDimStyleTableRecord
2
Standard
70
0
40
1
41
0.18
42
0.0625
43
0.38
44
0.18
45
0
46
0.00
47
0.0
48
0.0
140
0.18
141
0.09
142
0.0
143
25.39999
144
1.0
145
0.0
146
1.0
147
0.09
148
0
71
0
72
0
73
0
74
1
75
0
76
0
77
0
78
0
79
0
170
0
171
2
172
0
173
0
174
0
175
0
176
0
177
0
178
0
179
0
271
4
272
4
273
2
274
2
275
0
276
0
277
2
278
46
279
0
280
0
281
0
282
0
283
1
284
0
285
0
286
0
288
0
289
3
340
Standard
341

371
-2
372
-2
0
ENDTAB
0
TABLE
2
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

0
ENDBLK
5
20
330
1D
100
AcDbEntity
8
0
100
AcDbBlockEnd
0
BLOCK
5
22
330
21
100
AcDbEntity
8
0
100
AcDbBlockBegin
2
*Paper_Space
70
0
10
0.00
20
0.00
30
0.0
3
*Paper_Space
1

0
ENDBLK
5
24
330
21
100
AcDbEntity
8
0
100
AcDbBlockEnd
0
BLOCK
5
26
330
25
100
AcDbEntity
8
0
100
AcDbBlockBegin
2
TEST_BLOCK
70
0
10
0.00
20
0.00
30
0.0
3
TEST_BLOCK
1

0
LINE
5
27
330
25
100
AcDbEntity
8
0
100
AcDbLine
10
1688.00
20
1430.00
30
0.00
11
1185.00
21
1097.00
31
0.00
0
POINT
5
28
330
25
100
AcDbEntity
8
0
100
AcDbPoint
10
1715.00
20
1205.00
30
0.00
0
CIRCLE
5
29
330
25
100
AcDbEntity
8
0
100
AcDbCircle
10
847.31
20
1694.50
30
0.00
40
272.44
0
ARC
5
2A
330
25
100
AcDbEntity
8
0
100
AcDbCircle
10
595.07
20
875.17
30
0.00
40
384.38
100
AcDbArc
50
232.00
51
224.00
0
LWPOLYLINE
5
2B
330
25
100
AcDbEntity
8
0
100
AcDbPolyline
90
10
70
0
10
1783.00
20
113.00
10
1927.00
20
545.00
10
766.00
20
955.00
10
1583.00
20
1624.00
10
1057.00
20
959.00
10
1136.00
20
785.00
10
1851.00
20
1672.00
10
142.00
20
674.00
10
174.00
20
1296.00
10
40.00
20
736.00
0
SPLINE
5
2C
330
25
100
AcDbEntity
8
0
100
AcDbSpline
210
0.0
220
0.0
230
1.0
70
8
71
3
72
14
73
10
74
0
42
0.0000000001
43
0.0000000001
40
0.00000
40
0.00000
40
0.00000
40
0.00000
40
1.00000
40
2.00000
40
3.00000
40
4.00000
40
5.00000
40
5.00000
40
5.00000
40
5.00000
40
5.00000
40
5.00000
10
1783.00
20
113.00
30
0.0
10
1927.00
20
545.00
30
0.0
10
766.00
20
955.00
30
0.0
10
1583.00
20
1624.00
30
0.0
10
1057.00
20
959.00
30
0.0
10
1136.00
20
785.00
30
0.0
10
1851.00
20
1672.00
30
0.0
10
142.00
20
674.00
30
0.0
10
174.00
20
1296.00
30
0.0
10
40.00
20
736.00
30
0.0
0
ENDBLK
5
2D
330
25
100
AcDbEntity
8
0
100
AcDbBlockEnd
0
ENDSEC
0
SECTION
2
ENTITIES
0
INSERT
5
2E
330
25
100
AcDbEntity
8
0
100
AcDbBlockReference
2
TEST_BLOCK
10
0.00
20
0.00
30
0.0
0
ENDSEC
0
SECTION
2
OBJECTS
0
DICTIONARY
5
2F
330
0
100
AcDbDictionary
281
1
3
ACAD_GROUP
350
D
0
DICTIONARY
5
30
330
2F
100
AcDbDictionary
281
1
0
ENDSEC
0
EOF

EDIT

As it turnes out, BricsCAD has a nice recover tool. Acoording to that tool Hard POinter/ID Handle of PlotStyleName Object (390) is wrong.

  • Name: AcDbLayerTableRecord(17); Value: PlotStyleName Id (F); Validation: Invalid; Replaced by: Set to Null.

This narrows the possibilites a lot, but doesn't quite solve the problem, as I am not really sure what PlotStyleName object is in my case.

skrat
  • 648
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  • 5
    Try to open it in AutoCad, and save it with AC as a new file (without doing any changes in AC) and compare the files. It may or may not help you identify problematic data. – Tom Brunberg Dec 27 '17 at 13:46
  • 1
    Find the part of the file that is defective and try to build the same thing directly in autocad. Then compare. In short, basic debugging. – David Heffernan Dec 27 '17 at 14:27
  • @TomBrunberg: This sounded like a really good idea. Sadly, the problem remains. Even after the file is saved by AC, BricsCAD crashes. – skrat Dec 27 '17 at 16:52
  • 2
    Sorry to hear. Maybe there's something wrong with `BricsCAD` then. You better turn to their support. – Tom Brunberg Dec 27 '17 at 17:32

2 Answers2

1

I found out that BricsCAD can use internal _RECOVER function to analyze the input file and warn the user of possible errors.

As it turns out, self pointers of layers (390) were not correctly defined. Setting 390 to 0 instead of F, is not the cleanest and the most correct way to solve the problem but it does the job.

skrat
  • 648
  • 2
  • 10
  • 27
0

I don't know about BricsCAD but It could be some of the AutoCAD-friendly dxf codes that are not supported by BricsCAD.

Try this dxf file to see if it generates the same error in BricsCAD It contains one block only (Zoom-Extends to find it).

If it works we can figure-out what made your file crash.

  0
SECTION
  2
HEADER
  9
$ACADVER
  1
AC1009
  9
$INSBASE
 10
0.0
 20
0.0
 30
0.0
  9
$REGENMODE
 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
$CECOLOR
 62
   256
  9
$DIMSCALE
 40
1.0
  9
$DIMASZ
 40
0.1
  9
$DIMEXO
 40
0.25
  9
$DIMDLI
 40
0.25
  9
$DIMRND
 40
0.0
  9
$DIMDLE
 40
0.0
  9
$DIMEXE
 40
0.1
  9
$DIMTP
 40
0.0
  9
$DIMTM
 40
0.0
  9
$DIMTXT
 40
0.15
  9
$DIMCEN
 40
0.1
  9
$DIMTSZ
 40
0.0
  9
$DIMTOL
 70
     0
  9
$DIMLIM
 70
     0
  9
$DIMTIH
 70
     0
  9
$DIMTOH
 70
     1
  9
$DIMSE1
 70
     0
  9
$DIMSE2
 70
     0
  9
$DIMTAD
 70
     1
  9
$DIMZIN
 70
     8
  9
$DIMBLK
  1

  9
$DIMASO
 70
     1
  9
$DIMSHO
 70
     1
  9
$DIMPOST
  1

  9
$DIMAPOST
  1

  9
$DIMALT
 70
     0
  9
$DIMALTD
 70
     3
  9
$DIMALTF
 40
0.03937007874016
  9
$DIMLFAC
 40
1.0
  9
$DIMTOFL
 70
     1
  9
$DIMTVP
 40
0.0
  9
$DIMTIX
 70
     0
  9
$DIMSOXD
 70
     0
  9
$DIMSAH
 70
     0
  9
$DIMBLK1
  1

  9
$DIMBLK2
  1

  9
$DIMSTYLE
  2
ISO-25
  9
$DIMCLRD
 70
     2
  9
$DIMCLRE
 70
     0
  9
$DIMCLRT
 70
     7
  9
$DIMTFAC
 40
1.0
  9
$DIMGAP
 40
0.15
  9
$LUNITS
 70
     2
  9
$LUPREC
 70
     3
  9
$SKETCHINC
 40
1.0
  9
$FILLETRAD
 40
0.0
  9
$AUNITS
 70
     1
  9
$AUPREC
 70
     3
  9
$MENU
  1
.
  9
$ELEVATION
 40
0.0
  9
$PELEVATION
 40
0.0
  9
$THICKNESS
 40
0.0
  9
$LIMCHECK
 70
     0
  9
$BLIPMODE
 70
     0
  9
$CHAMFERA
 40
0.0
  9
$CHAMFERB
 40
0.0
  9
$SKPOLY
 70
     0
  9
$TDCREATE
 40
2455559.7215111339
  9
$TDUPDATE
 40
2455601.6499361689
  9
$TDINDWG
 40
0.0182150694
  9
$TDUSRTIMER
 40
0.0182009375
  9
$USRTIMER
 70
     1
  9
$ANGBASE
 50
0.0
  9
$ANGDIR
 70
     0
  9
$PDMODE
 70
     0
  9
$PDSIZE
 40
0.0
  9
$PLINEWID
 40
0.0
  9
$COORDS
 70
     1
  9
$SPLFRAME
 70
     0
  9
$SPLINETYPE
 70
     6
  9
$SPLINESEGS
 70
     8
  9
$ATTDIA
 70
     0
  9
$ATTREQ
 70
     1
  9
$HANDLING
 70
     1
  9
$HANDSEED
5
100006
  9
$SURFTAB1
 70
     6
  9
$SURFTAB2
 70
     6
  9
$SURFTYPE
 70
     6
  9
$SURFU
 70
     6
  9
$SURFV
 70
     6
  9
$UCSNAME
  2

  9
$UCSORG
 10
0.0
 20
0.0
 30
0.0
  9
$UCSXDIR
 10
1.0
 20
0.0
 30
0.0
  9
$UCSYDIR
 10
0.0
 20
1.0
 30
0.0
  9
$PUCSNAME
  2

  9
$PUCSORG
 10
0.0
 20
0.0
 30
0.0
  9
$PUCSXDIR
 10
1.0
 20
0.0
 30
0.0
  9
$PUCSYDIR
 10
0.0
 20
1.0
 30
0.0
  9
$USERI1
 70
     0
  9
$USERI2
 70
     0
  9
$USERI3
 70
     0
  9
$USERI4
 70
     0
  9
$USERI5
 70
     0
  9
$USERR1
 40
0.0
  9
$USERR2
 40
0.0
  9
$USERR3
 40
0.0
  9
$USERR4
 40
0.0
  9
$USERR5
 40
0.0
  9
$WORLDVIEW
 70
     1
  9
$SHADEDGE
 70
     3
  9
$SHADEDIF
 70
    70
  9
$TILEMODE
 70
     1
  9
$MAXACTVP
 70
    64
  9
$PLIMCHECK
 70
     0
  9
$PEXTMIN
 10
1.0000000000000000E+020
 20
1.0000000000000000E+020
 30
1.0000000000000000E+020
  9
$PEXTMAX
 10
-1.0000000000000000E+020
 20
-1.0000000000000000E+020
 30
-1.0000000000000000E+020
  9
$PLIMMIN
 10
0.0
 20
0.0
  9
$PLIMMAX
 10
420.0
 20
297.0
  9
$UNITMODE
 70
     0
  9
$VISRETAIN
 70
     1
  9
$PLINEGEN
 70
     0
  9
$PSLTSCALE
 70
     1
  0
ENDSEC
  0
SECTION
  2
TABLES
  0
TABLE
  2
VPORT
 70
     1
  0
ENDTAB
  0
TABLE
  2
LTYPE
 70
     3
  0
LTYPE
  2
CONTINUOUS
 70
     0
  3
Solidline
 72
    65
 73
     0
 40
0.0
  0
LTYPE
  2
ACAD_ISO04W100
 70
     0
  3
ISOlong-dashdot____.____.____.____._
 72
    65
 73
     4
 40
2.0
 49
1.399999999999999
 49
-0.3
 49
0.0
 49
-0.3
  0
LTYPE
  2
ACAD_ISO02W100
 70
     0
  3
ISOdash__________________________
 72
    65
 73
     2
 40
15.0
 49
12.0
 49
-3.0
  0
ENDTAB
  0
TABLE
  2
LAYER
 70
    16
  0
LAYER
  2
0
 70
     0
 62
     7
  6
CONTINUOUS
  0
LAYER
  2
DEFPOINTS
 70
     0
 62
     7
  6
CONTINUOUS
  0
LAYER
  2
PIPE
 70
     0
 62
     6
  6
CONTINUOUS
  0
LAYER
  2
GRID
 70
     0
 62
     8
  6
CONTINUOUS
  0
LAYER
  2
GROUND
 70
     0
 62
     3
  6
CONTINUOUS
  0
LAYER
  2
POINTID
 70
     0
 62
     1
  6
CONTINUOUS
  0
LAYER
  2
ELEVATION
 70
     0
 62
     1
  6
CONTINUOUS
  0
LAYER
  2
POINTS
 70
     0
 62
     6
  6
CONTINUOUS
  0
LAYER
  2
X-Y-CORDS
 70
     0
 62
     6
  6
CONTINUOUS
  0
LAYER
  2
NOTES
 70
     0
 62
     4
  6
CONTINUOUS
  0
LAYER
  2
LATERAL
 70
     0
 62
     4
  6
CONTINUOUS
  0
LAYER
  2
LATERALG
 70
     0
 62
     3
  6
CONTINUOUS
  0
LAYER
  2
3DPOLY
 70
     0
 62
     5
  6
CONTINUOUS
  0
LAYER
  2
HATCH
 70
     0
 62
     9
  6
CONTINUOUS
  0
LAYER
  2
TEXT
 70
     0
 62
     7
  6
CONTINUOUS
  0
LAYER
  2
DIMENSIONS
 70
     0
 62
     5
  6
CONTINUOUS
  0
LAYER
  2
TABLES
 70
     0
 62
     7
  6
CONTINUOUS
  0
LAYER
  2
MANHOLE
 70
     0
 62
     1
  6
CONTINUOUS
  0
LAYER
  2
HIDDEN
 70
     0
 62
     7
  6
ACAD_ISO02W100
  0
LAYER
  2
GV
 70
     0
 62
     5
  6
CONTINUOUS
  0
LAYER
  2
FH
 70
     0
 62
     1
  6
CONTINUOUS
  0
LAYER
  2
SL
 70
     0
 62
     5
  6
CONTINUOUS
  0
LAYER
  2
PI
 70
     0
 62
     6
  6
CONTINUOUS
  0
LAYER
  2
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Andrew Truckle
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Osama
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  • Sorry, I had to post my message as an answer. This group code is for plot style names. You don't have any in the file btw! try to change the value "F" to "0" manually and test the file again. – Osama Dec 28 '17 at 18:23