how to rotate svg with point coordinate (bug into IM SVG internal renderer)

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sp31415
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how to rotate svg with point coordinate (bug into IM SVG internal renderer)

Post by sp31415 »

Hi,

I'm trying to make an svg image, and I have difficulties with image magick rendering.
my svg code is :

Code: Select all

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" 
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg width="1030" height="940"  transform='rotate(5 515 325.67513) translate(-23, 24)'
     version="1.1"  xmlns="http://www.w3.org/2000/svg">
  <title>logo</title>
  <polygon points="15,37 515,37 265,470.0127"
           style=" fill:#0000ff; stroke:#0000ff;stroke-width:1;" />
  <polygon points="515,37 1015,37 765,470.0127"
           style=" fill:#0000ff; stroke:#0000ff;stroke-width:1;" />
  <polygon points="265,470.0127 765,470.0127 515,903.0254"
           style=" fill:#0000ff; stroke:#0000ff;stroke-width:1;" />
  <line x1="515" y1="37" x2="140" y2="686.51905" stroke-linecap="round"
        style="stroke:#0060ff;stroke-width:10;" />
  <line x1="515" y1="37" x2="890" y2="686.51905" stroke-linecap="round"
        style="stroke:#0060ff;stroke-width:10;" />
  <line x1="265" y1="470.0127" x2="765" y2="470.0127" stroke-linecap="round"
        style="stroke:#0060ff;stroke-width:10;" />
</svg>
produced image is similar with gimp, firefox, ristretto.
But imagemagick is completely different (image is drawn partially outside of visible part).

I identified that the problem is coming from transform='rotate(5 515 325.67513)
is drawn correctly (but not what I want) : transform='rotate(5)

Can someone help me to fix my image code ?
Or indicate me, it's a bug (which should be reported in the right section)

I'm using imagemagick from debian stable package (Version: ImageMagick 6.9.7-4 Q16 x86_64 20170114 )

I'm new to svg, so I think it highly possible I missed something in the spec.

Thanks for your help
Last edited by sp31415 on 2018-02-16T15:36:58-07:00, edited 1 time in total.
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fmw42
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Re: how to rotate svg with point coordinate (bug?)

Post by fmw42 »

What SVG renderer is being used. It could be IM internal MSVG/XML or RSVG delegate or Inkscape. The IM internal one is poor. You should use RSVG or better Inkscape. If Inkscape is on your system and IM can find it, then it will be used. Otherwise, you would need to install the RSVG delegate library with ImageMagick. It would show up when you run

Code: Select all

convert -version
E.G.
Delegates (built-in): bzlib cairo fftw fontconfig freetype gslib jbig jng jp2 jpeg lcms lqr ltdl lzma openexr png ps rsvg tiff webp x xml zlib

or

Code: Select all

convert -list format
E.G.

SVG SVG rw+ Scalable Vector Graphics (RSVG 2.40.18)
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sp31415
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Authentication code: 1152

Re: how to rotate svg with point coordinate (bug?)

Post by sp31415 »

Hi,

I was using IM internal renderer.

I installed inkscape from debian package.
Now, IM is using inkscape, so rendring is different but still invalid.

The new result is : rotate is not applied at all.
inkscape is dropping : transform='rotate(5 515 325.67513) translate(-23, 24)'

rsvg is installed but looks not linked by debian maintainer

Thanks for the help

after inkscape installation, commands output are:

Code: Select all

convert -version
Version: ImageMagick 6.9.7-4 Q16 x86_64 20170114 http://www.imagemagick.org
Copyright: © 1999-2017 ImageMagick Studio LLC
License: http://www.imagemagick.org/script/license.php
Features: Cipher DPC Modules OpenMP 
Delegates (built-in): bzlib djvu fftw fontconfig freetype jbig jng jp2 jpeg lcms lqr ltdl lzma openexr pangocairo png tiff wmf x xml zlib

Code: Select all

convert -list format
   Format  Module    Mode  Description
-------------------------------------------------------------------------------
      3FR  DNG       r--   Hasselblad CFV/H3D39II
      AAI* AAI       rw+   AAI Dune image
       AI  PDF       rw-   Adobe Illustrator CS2
      ART* ART       rw-   PFS: 1st Publisher Clip Art
      ARW  DNG       r--   Sony Alpha Raw Image Format
      AVI  MPEG      r--   Microsoft Audio/Visual Interleaved
      AVS* AVS       rw+   AVS X image
      BGR* BGR       rw+   Raw blue, green, and red samples
     BGRA* BGR       rw+   Raw blue, green, red, and alpha samples
     BGRO* BGR       rw+   Raw blue, green, red, and opacity samples
      BIE* JBIG      rw-   Joint Bi-level Image experts Group interchange format (2.1)
      BMP* BMP       rw-   Microsoft Windows bitmap image
     BMP2* BMP       -w-   Microsoft Windows bitmap image (V2)
     BMP3* BMP       -w-   Microsoft Windows bitmap image (V3)
      BRF* BRAILLE   -w-   BRF ASCII Braille format
      CAL* CALS      rw-   Continuous Acquisition and Life-cycle Support Type 1
           Specified in MIL-R-28002 and MIL-PRF-28002
     CALS* CALS      rw-   Continuous Acquisition and Life-cycle Support Type 1
           Specified in MIL-R-28002 and MIL-PRF-28002
   CANVAS* XC        r--   Constant image uniform color
  CAPTION* CAPTION   r--   Caption
      CIN* CIN       rw-   Cineon Image File
      CIP* CIP       -w-   Cisco IP phone image format
     CLIP* CLIP      rw+   Image Clip Mask
     CMYK* CMYK      rw+   Raw cyan, magenta, yellow, and black samples
    CMYKA* CMYK      rw+   Raw cyan, magenta, yellow, black, and alpha samples
      CR2  DNG       r--   Canon Digital Camera Raw Image Format
      CRW  DNG       r--   Canon Digital Camera Raw Image Format
      CUR* ICON      rw-   Microsoft icon
      CUT* CUT       r--   DR Halo
     DATA* INLINE    rw+   Base64-encoded inline images
      DCM* DCM       r--   Digital Imaging and Communications in Medicine image
           DICOM is used by the medical community for images like X-rays.  The
           specification, "Digital Imaging and Communications in Medicine
           (DICOM)", is available at http://medical.nema.org/.  In particular,
           see part 5 which describes the image encoding (RLE, JPEG, JPEG-LS),
           and supplement 61 which adds JPEG-2000 encoding.
      DCR  DNG       r--   Kodak Digital Camera Raw Image File
      DCX* PCX       rw+   ZSoft IBM PC multi-page Paintbrush
      DDS* DDS       rw+   Microsoft DirectDraw Surface
    DFONT* TTF       r--   Multi-face font package (Freetype 2.6.3)
     DJVU* DJVU      r--   Deja vu
           See http://www.djvuzone.org/ for details about the DJVU format.  The
           DJVU 1.2 specification is available there and at
           ftp://swrinde.nde.swri.edu/pub/djvu/documents/.
      DNG  DNG       r--   Digital Negative
      DOT  DOT       ---   Graphviz
      DPX* DPX       rw-   SMPTE 268M-2003 (DPX 2.0)
           Digital Moving Picture Exchange Bitmap, Version 2.0.
           See SMPTE 268M-2003 specification at http://www.smtpe.org
           
     DXT1* DDS       rw+   Microsoft DirectDraw Surface
     DXT5* DDS       rw+   Microsoft DirectDraw Surface
     EPDF  PDF       rw-   Encapsulated Portable Document Format
      EPI  PS        rw-   Encapsulated PostScript Interchange format
      EPS  PS        rw-   Encapsulated PostScript
     EPS2* PS2       -w-   Level II Encapsulated PostScript
     EPS3* PS3       -w+   Level III Encapsulated PostScript
     EPSF  PS        rw-   Encapsulated PostScript
     EPSI  PS        rw-   Encapsulated PostScript Interchange format
      EPT  EPT       rw-   Encapsulated PostScript with TIFF preview
     EPT2  EPT       rw-   Encapsulated PostScript Level II with TIFF preview
     EPT3  EPT       rw+   Encapsulated PostScript Level III with TIFF preview
      ERF  DNG       r--   Epson Raw Format
      EXR  EXR       rw-   High Dynamic-range (HDR)
      FAX* FAX       rw+   Group 3 FAX
           FAX machines use non-square pixels which are 1.5 times wider than
           they are tall but computer displays use square pixels, therefore
           FAX images may appear to be narrow unless they are explicitly
           resized using a geometry of "150x100%".
           
     FILE* URL       r--   Uniform Resource Locator (file://)
     FITS* FITS      rw-   Flexible Image Transport System
  FRACTAL* PLASMA    r--   Plasma fractal image
      FTP* URL       r--   Uniform Resource Locator (ftp://)
      FTS* FITS      rw-   Flexible Image Transport System
       G3* FAX       rw-   Group 3 FAX
       G4* FAX       rw-   Group 4 FAX
      GIF* GIF       rw+   CompuServe graphics interchange format
    GIF87* GIF       rw-   CompuServe graphics interchange format (version 87a)
 GRADIENT* GRADIENT  r--   Gradual linear passing from one shade to another
     GRAY* GRAY      rw+   Raw gray samples
   GROUP4* TIFF      rw-   Raw CCITT Group4
       GV  DOT       ---   Graphviz
        H* MAGICK    -w-   Image expressed as a 'C/C++' char array
     HALD* HALD      r--   Identity Hald color lookup table image
      HDR* HDR       rw+   Radiance RGBE image format
HISTOGRAM* HISTOGRAM -w-   Histogram of the image
      HRZ* HRZ       rw-   Slow Scan TeleVision
      HTM* HTML      -w-   Hypertext Markup Language and a client-side image map
     HTML* HTML      -w-   Hypertext Markup Language and a client-side image map
     HTTP* URL       r--   Uniform Resource Locator (http://)
    HTTPS* URL       ---   Uniform Resource Locator (https://)
      ICB* TGA       rw-   Truevision Targa image
      ICO* ICON      rw+   Microsoft icon
     ICON* ICON      rw-   Microsoft icon
      IIQ  DNG       r--   Phase One Raw Image Format
     INFO  INFO      -w+   The image format and characteristics
   INLINE* INLINE    rw+   Base64-encoded inline images
      IPL* IPL       rw+   IPL Image Sequence
   ISOBRL* BRAILLE   -w-   ISO/TR 11548-1 format
  ISOBRL6* BRAILLE   -w-   ISO/TR 11548-1 format 6dot
      J2C* JP2       rw-   JPEG-2000 Code Stream Syntax (2.1.2)
      J2K* JP2       rw-   JPEG-2000 Code Stream Syntax (2.1.2)
      JBG* JBIG      rw+   Joint Bi-level Image experts Group interchange format (2.1)
     JBIG* JBIG      rw+   Joint Bi-level Image experts Group interchange format (2.1)
      JNG* PNG       rw-   JPEG Network Graphics
           See http://www.libpng.org/pub/mng/ for details about the JNG
           format.
      JNX* JNX       r--   Garmin tile format
      JP2* JP2       rw-   JPEG-2000 File Format Syntax (2.1.2)
      JPC* JP2       rw-   JPEG-2000 Code Stream Syntax (2.1.2)
      JPE* JPEG      rw-   Joint Photographic Experts Group JFIF format (62)
     JPEG* JPEG      rw-   Joint Photographic Experts Group JFIF format (62)
      JPG* JPEG      rw-   Joint Photographic Experts Group JFIF format (62)
      JPM* JP2       rw-   JPEG-2000 Code Stream Syntax (2.1.2)
      JPS* JPEG      rw-   Joint Photographic Experts Group JFIF format (62)
      JPT* JP2       rw-   JPEG-2000 File Format Syntax (2.1.2)
     JSON  JSON      -w+   The image format and characteristics
      K25  DNG       r--   Kodak Digital Camera Raw Image Format
      KDC  DNG       r--   Kodak Digital Camera Raw Image Format
    LABEL* LABEL     r--   Image label
      M2V  MPEG      rw+   MPEG Video Stream
      M4V  MPEG      rw+   Raw MPEG-4 Video
      MAC* MAC       r--   MAC Paint
   MAGICK* MAGICK    rw-   Predefined Magick Image (LOGO, ROSE, etc.); output same as 'H'
      MAP* MAP       rw-   Colormap intensities and indices
     MASK* MASK      rw+   Image Clip Mask
      MAT  MAT       rw+   MATLAB level 5 image format
    MATTE* MATTE     -w+   MATTE format
      MEF  DNG       r--   Mamiya Raw Image File
     MIFF* MIFF      rw+   Magick Image File Format
      MKV  MPEG      rw+   Multimedia Container
      MNG* PNG       rw+   Multiple-image Network Graphics (libpng 1.6.28)
           See http://www.libpng.org/pub/mng/ for details about the MNG
           format.
     MONO* MONO      rw-   Raw bi-level bitmap
      MOV  MPEG      rw+   MPEG Video Stream
      MP4  MPEG      rw+   MPEG-4 Video Stream
      MPC* MPC       rw+   Magick Persistent Cache image format
     MPEG  MPEG      rw+   MPEG Video Stream
      MPG  MPEG      rw+   MPEG Video Stream
      MRW  DNG       r--   Sony (Minolta) Raw Image File
      MSL* MSL       rw+   Magick Scripting Language
     MSVG  SVG       rw+   ImageMagick's own SVG internal renderer
      MTV* MTV       rw+   MTV Raytracing image format
      MVG* MVG       rw-   Magick Vector Graphics
      NEF  DNG       r--   Nikon Digital SLR Camera Raw Image File
      NRW  DNG       r--   Nikon Digital SLR Camera Raw Image File
     NULL* NULL      rw-   Constant image of uniform color
      ORF  DNG       r--   Olympus Digital Camera Raw Image File
      OTB* OTB       rw-   On-the-air bitmap
      OTF* TTF       r--   Open Type font (Freetype 2.6.3)
      PAL* UYVY      rw-   16bit/pixel interleaved YUV
     PALM* PALM      rw+   Palm pixmap
      PAM* PNM       rw+   Common 2-dimensional bitmap format
    PANGO* PANGO     r--   Pango Markup Language (Pangocairo 1.40.5)
  PATTERN* PATTERN   r--   Predefined pattern
      PBM* PNM       rw+   Portable bitmap format (black and white)
      PCD* PCD       rw-   Photo CD
     PCDS* PCD       rw-   Photo CD
      PCL  PCL       rw+   Printer Control Language
      PCT* PICT      rw-   Apple Macintosh QuickDraw/PICT
      PCX* PCX       rw-   ZSoft IBM PC Paintbrush
      PDB* PDB       rw+   Palm Database ImageViewer Format
      PDF  PDF       rw+   Portable Document Format
     PDFA  PDF       rw+   Portable Document Archive Format
      PEF  DNG       r--   Pentax Electronic File
      PES* PES       r--   Embrid Embroidery Format
      PFA* TTF       r--   Postscript Type 1 font (ASCII) (Freetype 2.6.3)
      PFB* TTF       r--   Postscript Type 1 font (binary) (Freetype 2.6.3)
      PFM* PFM       rw+   Portable float format
      PGM* PNM       rw+   Portable graymap format (gray scale)
    PICON* XPM       rw-   Personal Icon
     PICT* PICT      rw-   Apple Macintosh QuickDraw/PICT
      PIX* PIX       r--   Alias/Wavefront RLE image format
    PJPEG* JPEG      rw-   Joint Photographic Experts Group JFIF format (62)
   PLASMA* PLASMA    r--   Plasma fractal image
      PNG* PNG       rw-   Portable Network Graphics (libpng 1.6.28)
           See http://www.libpng.org/ for details about the PNG format.
    PNG00* PNG       rw-   PNG inheriting bit-depth, color-type from original if possible
    PNG24* PNG       rw-   opaque or binary transparent 24-bit RGB (zlib 1.2.8)
    PNG32* PNG       rw-   opaque or transparent 32-bit RGBA
    PNG48* PNG       rw-   opaque or binary transparent 48-bit RGB
    PNG64* PNG       rw-   opaque or transparent 64-bit RGBA
     PNG8* PNG       rw-   8-bit indexed with optional binary transparency
      PNM* PNM       rw+   Portable anymap
      PPM* PNM       rw+   Portable pixmap format (color)
  PREVIEW* PREVIEW   -w-   Show a preview an image enhancement, effect, or f/x
       PS  PS        rw+   PostScript
      PS2* PS2       -w+   Level II PostScript
      PS3* PS3       -w+   Level III PostScript
      PSB* PSD       rw+   Adobe Large Document Format
      PSD* PSD       rw+   Adobe Photoshop bitmap
     PTIF* TIFF      rw+   Pyramid encoded TIFF
      PWP* PWP       r--   Seattle Film Works
RADIAL-GRADIENT* GRADIENT  r--   Gradual radial passing from one shade to another
      RAF  DNG       r--   Fuji CCD-RAW Graphic File
      RAS* SUN       rw+   SUN Rasterfile
      RAW  DNG       r--   Raw
      RGB* RGB       rw+   Raw red, green, and blue samples
     RGBA* RGB       rw+   Raw red, green, blue, and alpha samples
     RGBO* RGB       rw+   Raw red, green, blue, and opacity samples
      RGF* RGF       rw-   LEGO Mindstorms EV3 Robot Graphic Format (black and white)
      RLA* RLA       r--   Alias/Wavefront image
      RLE* RLE       r--   Utah Run length encoded image
      RMF  DNG       r--   Raw Media Format
      RW2  DNG       r--   Panasonic Lumix Raw Image
      SCR* SCR       r--   ZX-Spectrum SCREEN$
      SCT* SCT       r--   Scitex HandShake
      SFW* SFW       r--   Seattle Film Works
      SGI* SGI       rw+   Irix RGB image
    SHTML* HTML      -w-   Hypertext Markup Language and a client-side image map
      SIX* SIX       rw-   DEC SIXEL Graphics Format
    SIXEL* SIXEL     rw-   DEC SIXEL Graphics Format
SPARSE-COLOR* TXT       -w+   Sparse Color
      SR2  DNG       r--   Sony Raw Format 2
      SRF  DNG       r--   Sony Raw Format
  STEGANO* STEGANO   r--   Steganographic image
      SUN* SUN       rw+   SUN Rasterfile
      SVG  SVG       rw+   Scalable Vector Graphics (XML 2.9.4)
     SVGZ  SVG       rw+   Compressed Scalable Vector Graphics (XML 2.9.4)
     TEXT* TXT       rw+   Text
      TGA* TGA       rw-   Truevision Targa image
THUMBNAIL* THUMBNAIL -w+   EXIF Profile Thumbnail
     TIFF* TIFF      rw+   Tagged Image File Format (LIBTIFF, Version 4.0.8)
   TIFF64* TIFF      rw-   Tagged Image File Format (64-bit) (LIBTIFF, Version 4.0.8)
     TILE* TILE      r--   Tile image with a texture
      TIM* TIM       r--   PSX TIM
      TTC* TTF       r--   TrueType font collection (Freetype 2.6.3)
      TTF* TTF       r--   TrueType font (Freetype 2.6.3)
      TXT* TXT       rw+   Text
     UBRL* BRAILLE   -w-   Unicode Text format
    UBRL6* BRAILLE   -w-   Unicode Text format 6dot
      UIL* UIL       -w-   X-Motif UIL table
     UYVY* UYVY      rw-   16bit/pixel interleaved YUV
      VDA* TGA       rw-   Truevision Targa image
    VICAR* VICAR     rw-   VICAR rasterfile format
      VID* VID       rw+   Visual Image Directory
     VIFF* VIFF      rw+   Khoros Visualization image
     VIPS* VIPS      rw+   VIPS image
      VST* TGA       rw-   Truevision Targa image
     WBMP* WBMP      rw-   Wireless Bitmap (level 0) image
      WMF* WMF       r--   Windows Meta File
      WMV  MPEG      rw+   Windows Media Video
      WMZ* WMF       r--   Compressed Windows Meta File
      WPG* WPG       r--   Word Perfect Graphics
        X* X         rw+   X Image
      X3F  DNG       r--   Sigma Camera RAW Picture File
      XBM* XBM       rw-   X Windows system bitmap (black and white)
       XC* XC        r--   Constant image uniform color
      XCF* XCF       r--   GIMP image
      XPM* XPM       rw-   X Windows system pixmap (color)
      XPS  XPS       r--   Microsoft XML Paper Specification
       XV* VIFF      rw+   Khoros Visualization image
      XWD* XWD       rw-   X Windows system window dump (color)
    YCbCr* YCbCr     rw+   Raw Y, Cb, and Cr samples
   YCbCrA* YCbCr     rw+   Raw Y, Cb, Cr, and alpha samples
      YUV* YUV       rw-   CCIR 601 4:1:1 or 4:2:2

* native blob support
r read support
w write support
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fmw42
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Re: how to rotate svg with point coordinate (bug?)

Post by fmw42 »

This works fine for me. I see a rotation. I am using IM 6.9.9.34 Q16 Mac OSX Sierra with RSVG 2.40.18

Code: Select all

convert test3.svg test3.jpg
Image

Add -verbose to your command to see which renderer is being used. Perhaps IM cannot find your installed Inkscape.
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sp31415
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Re: how to rotate svg with point coordinate (bug?)

Post by sp31415 »

Thanks I will try to compile with RSVG.
Should I have to report a bug against internal IM renderer and inkscape ?
Regards,

Code: Select all

convert -verbose logo.svg logo-im.png
'inkscape' '/tmp/magick-16168eVJHwSOWa7ag' --export-png='/tmp/magick-16168wYKkr7k52BpX' --export-dpi='90,90' --export-background='rgb(100%,100%,100%)' --export-background-opacity='1' > '/tmp/magick-16168hL6wNrE4W7DE' 2>&1
/tmp/magick-16168wYKkr7k52BpX PNG 966x881 966x881+0+0 8-bit sRGB 41.2KB 0.000u 0:00.009
logo.svg SVG 966x881 966x881+0+0 8-bit sRGB 41.2KB 0.010u 0:00.000
logo.svg=>logo-im.png SVG 966x881 966x881+0+0 8-bit sRGB 41.2KB 0.040u 0:00.040
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sp31415
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Re: how to rotate svg with point coordinate (bug?)

Post by sp31415 »

problem solved by using rsvg.
I think I should fill a bug against internal IM renderer (for SVG).

How am i supposed to do that ?
Do I have to create a new thread in the correct forum section or that one is sufficient ?
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fmw42
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Re: how to rotate svg with point coordinate (bug into IM SVG internal renderer)

Post by fmw42 »

Filing a bug report will not do any good. The internal renderer is not very good and that is why you have RSVG and Inkscape options. If you feel that Inkscape is not rendering properly, then file a bug with Inkscape.
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Re: how to rotate svg with point coordinate (bug into IM SVG internal renderer)

Post by sp31415 »

Thanks, I filed a bug with inkscape
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Re: how to rotate svg with point coordinate (bug into IM SVG internal renderer)

Post by snibgo »

Having "transform" as an attribute of the outer-most svg tag seems to be valid SVG, but I'm not sure what a renderer should do with it. Inkscape seems to ignore it. It is unusual -- I've never seen a transform there.

It is usual to put such transforms in a group around the elements that are to be transformed, like this:

Code: Select all

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" 
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg width="1030" height="940" 
     version="1.1"  xmlns="http://www.w3.org/2000/svg">
  <title>logo</title>
<g transform='rotate(5 515 325.67513) translate(-23, 24)' >
  <polygon points="15,37 515,37 265,470.0127"
           style=" fill:#0000ff; stroke:#0000ff;stroke-width:1;" />
  <polygon points="515,37 1015,37 765,470.0127"
           style=" fill:#0000ff; stroke:#0000ff;stroke-width:1;" />
  <polygon points="265,470.0127 765,470.0127 515,903.0254"
           style=" fill:#0000ff; stroke:#0000ff;stroke-width:1;" />
  <line x1="515" y1="37" x2="140" y2="686.51905" stroke-linecap="round"
        style="stroke:#0060ff;stroke-width:10;" />
  <line x1="515" y1="37" x2="890" y2="686.51905" stroke-linecap="round"
        style="stroke:#0060ff;stroke-width:10;" />
  <line x1="265" y1="470.0127" x2="765" y2="470.0127" stroke-linecap="round"
        style="stroke:#0060ff;stroke-width:10;" />
</g>
</svg>
Inkscape then does the transformation as we would hope.
snibgo's IM pages: im.snibgo.com
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