ALLEGRO导出负片时提示错误
用ALLEGRO16.6在导出gerber的情况下,L2_GND层用负片无法生成,只能导出正片,这是什么原因导致的?错误提示如下:---- Photoplot outline rectangle not found ... using drawing extents
Results from parameter file ...
DEVICE-TYPE GERBER_RS274X
OUTPUT-UNITS INCHES
FILM-SIZE 2400000 1600000
FORMAT 2.5
ABORT-ON-ERROR NO
SCALE 1
SUPPRESS-LEAD-ZEROESYES
SUPPRESS-TRAIL-ZEROES NO
SUPPRESS-EQUAL YES
UNDEF-APT-CONT NO
FILM PARAMETERS :
---------------------------------------------------------
Undefined line width 6.000
Mirror code NONE
Rotate angle NONE
Offset x: 0.000
Offset y: 0.000
Plot negative YES
Suppress unconnected internal padsNO
Draw holes only NO
ERROR: aborting film - Layer polarity of layer ETCH/L2_GND does not
match film polarity of Negative. DRC may be unreliable.
WARNING: No thermal flash for padstack "VIA12_24", regular pad used.
WARNING: No Photoplot Outline was found,
negative shape outline will be determined by Board Outline
APERTURES USED:
---------------------------------------------------------
TYPE SIZE/NAME ROT MIRROR MODE
---------------------------------------------------------
CIRCLE 0.02400 DARK
CIRCLE 0.02600 DARK
CIRCLE 0.03000 CLEAR
CIRCLE 0.03150 DARK
CIRCLE 0.03937 CLEAR
CIRCLE 0.04200 CLEAR
CIRCLE 0.05118 DARK
CIRCLE 0.05512 CLEAR
CIRCLE 0.05512 DARK
CIRCLE 0.05906 DARK
CIRCLE 0.06693 CLEAR
CIRCLE 0.07087 CLEAR
CIRCLE 0.07480 CLEAR
CIRCLE 0.07480 CLEAR
CIRCLE 0.11811 DARK
CIRCLE 0.13780 CLEAR
FLASH SYMFLASH0D7X1D0 0.000 NO CLEAR
FLASH SYMTR3_4X5_4X0_4-45 0.000 NO CLEAR
Error in L2_GND--halting output.Artwork file not generated.
*** ERROR with L2_GND
直接正片就好了,为啥搞负片,有意义吗? cloudxxcloud 发表于 2019-7-23 11:41
直接正片就好了,为啥搞负片,有意义吗?
现在是直接出正片,想知道原因呀 这一层是不是包括一些走线?基本上没有走线的层,出负片能减少gerber文件大小 是不是Layout cross section的Negative artwork属性没勾?内平面层一直用负片。
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