TCanny

HolyWu · 21st May 2015, 17:51

https://github.com/HomeOfVapourSynth...urSynth-TCanny

As the Canny filter in GenericFilters has line shift problem and the plugin is likely to be obsolete, hence here is the port.

Myrsloik · 21st May 2015, 19:38

Quote:

Originally Posted by HolyWu

TCanny-r1.7z
https://github.com/HomeOfVapourSynth...urSynth-TCanny

As the Canny filter in GenericFilters has line shift problem and the plugin is likely to be obsolete, hence here is the port.

I do plan to make canny a part of the core. Just need a bit of time to write a sane implementation. The old one isn't going away until then...

HolyWu · 28th June 2015, 07:12

Update r2.

Skip direction calculation for mode=1.
Add op parameter.

Update r3.

Add "gaussian blur only" mode.
Support 32-bit float input.

HolyWu · 13th May 2016, 14:59

Update r4.

The parameter value is now scaled in a saner way.
Speed up gaussian blur's code and add SIMD optimization.

Update r5.

Fix an error in SIMD code of the Sobel operator.

HolyWu · 14th August 2016, 10:48

Update r6.

Add the Scharr operator.
Remove the nms parameter.
Optimize the gaussian blur function.
Vectorize the non-maximum suppression function.
Vectorize the output functions of mode -1, 0 and 1.
Now uses per thread buffer allocation instead of per frame.

Mystery Keeper · 14th August 2016, 14:01

Thank you for your great work. Could you please not make several libs, but instead do CPU detection in plugin initialization and choose the best available optimizations?

HolyWu · 26th August 2016, 09:40

Quote:

Originally Posted by Mystery Keeper

Thank you for your great work. Could you please not make several libs, but instead do CPU detection in plugin initialization and choose the best available optimizations?

Done in r7 and added opt parameter.

Mystery Keeper · 26th August 2016, 14:26

Great! Thank you very much!

HolyWu · 10th September 2016, 17:11

Update r8.

Change sigma parameter to array type.

hydra3333 · 11th September 2016, 00:50

Thank you.

groucho86 · 19th September 2016, 22:20

I'm unable to compile on OS X (10.9.5). I'm using default autogen.sh + configure.

I get the following error:

Code:

  CXX      TCanny/TCanny.lo
error: invalid value 'c++14' in '-std=c++14'
make: *** [TCanny/TCanny.lo] Error 1

Are_ · 19th September 2016, 23:37

Outdated compiler (almost sure).

groucho86 · 19th September 2016, 23:55

Code:

g++ --version

gives me:

Code:

Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 6.0 (clang-600.0.56) (based on LLVM 3.5svn)
Target: x86_64-apple-darwin13.4.0
Thread model: posix

I'll see if I can upgrade.

KingLir · 1st March 2017, 10:28

I am getting the following errors when building on macOS, after autogen and configure. Anyone can assist ?

$ g++ --version
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 8.0.0 (clang-800.0.42.1)
Target: x86_64-apple-darwin16.4.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

$ make
TCanny/TCanny.cpp:579:27: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "malloc failure (buffer)" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:586:27: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "malloc failure (blur)" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:594:31: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "malloc failure (gradient)" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:605:31: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "malloc failure (direction)" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:616:31: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "malloc failure (label)" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:622:38: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
} catch (const std::string & error) {
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:681:19: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "only constant format 8-16 bits integer ...
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:684:19: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "the clip's height must be greater than ...
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:688:19: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "more sigma given than the number of planes" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:728:23: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "sigma must be greater than or equa...
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:732:19: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "t_h must be greater than t_l" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:735:19: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "mode must be -1, 0, 1, 2 or 3" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:738:19: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "op must be 0, 1, 2 or 3" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:741:19: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "gmmax must be greater than or equal to 1.0" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:744:19: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "opt must be 0, 1, 2, 3 or 4" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:755:23: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "plane index out of range" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:758:23: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "plane specified twice" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:792:27: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
throw std::string { "malloc failure (weights)" };
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
TCanny/TCanny.cpp:808:34: error: implicit instantiation of undefined template
'std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >'
} catch (const std::string & error) {
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note:
template is declared here
class _LIBCPP_TYPE_VIS_ONLY basic_string;
^
19 errors generated.

HolyWu · 3rd March 2017, 02:53

Quote:

Originally Posted by KingLir

I am getting the following errors when building on macOS, after autogen and configure. Anyone can assist ?

Try the latest commit. Somehow clang is somewhat stricter than gcc.

KingLir · 3rd March 2017, 07:32

Quote:

Originally Posted by HolyWu

Try the latest commit. Somehow clang is somewhat stricter than gcc.

Thanks. It's seems to fix the previous issues. Now getting:

CXXLD libtcanny.la
Undefined symbols for architecture x86_64:
"binarizeCE<float>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"binarizeCE<unsigned char>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"binarizeCE<unsigned short>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"discretizeGM<float>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"discretizeGM<unsigned char>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"discretizeGM<unsigned short>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"gaussianBlurVertical<float>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"gaussianBlurVertical<unsigned char>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"gaussianBlurVertical<unsigned short>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"copyData<float>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"copyData<unsigned char>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"copyData<unsigned short>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"outputGB<float>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"outputGB<unsigned char>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
"outputGB<unsigned short>", referenced from:
tcannyCreate(VSMap const*, VSMap*, void*, VSCore*, VSAPI const*) in TCanny.o
tcannyGetFrame(int, int, void**, void**, VSFrameContext*, VSCore*, VSAPI const*) in TCanny.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

HolyWu · 3rd March 2017, 14:01

Quote:

Originally Posted by KingLir

Thanks. It's seems to fix the previous issues. Now getting:

ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Does it make any difference if you use clang++ instead of clang for compilation and linking?

KingLir · 3rd March 2017, 15:13

Quote:

Originally Posted by HolyWu

Does it make any difference if you use clang++ instead of clang for compilation and linking?

This is what I have:
$ clang --version
Apple LLVM version 8.0.0 (clang-800.0.42.1)
Target: x86_64-apple-darwin16.4.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

You want me to test something else ? What exactly to change in configure ?

Are_ · 3rd March 2017, 15:30

Code:

CC=clang CXX=clang++ ./configure
make V=1

That make switch will give better output for debugging your problem.

Oh, and it is usually better if you paste your _full_ log and your _full_ configure log when you want assistance with stuff like that (with some paste-site instead of raw printing it in the forums).

KingLir · 3rd March 2017, 16:15

Quote:

Originally Posted by Are_

Code:

CC=clang CXX=clang++ ./configure
make V=1

That make switch will give better output for debugging your problem.

Oh, and it is usually better if you paste your _full_ log and your _full_ configure log when you want assistance with stuff like that (with some paste-site instead of raw printing it in the forums).

Thanks and sorry for not doing it before. Here are the new logs:
http://pastebin.com/KLWSV1ZH

21st May 2015, 17:51	#1 \| Link
HolyWu Registered User Join Date: Aug 2006 Location: Taiwan Posts: 392	TCanny https://github.com/HomeOfVapourSynth...urSynth-TCanny As the Canny filter in GenericFilters has line shift problem and the plugin is likely to be obsolete, hence here is the port. Last edited by HolyWu; 13th May 2016 at 14:53.

28th June 2015, 07:12	#3 \| Link
HolyWu Registered User Join Date: Aug 2006 Location: Taiwan Posts: 392	Update r2. Skip direction calculation for mode=1. Add op parameter. Update r3. Add "gaussian blur only" mode. Support 32-bit float input.

13th May 2016, 14:59	#4 \| Link
HolyWu Registered User Join Date: Aug 2006 Location: Taiwan Posts: 392	Update r4. The parameter value is now scaled in a saner way. Speed up gaussian blur's code and add SIMD optimization. Update r5. Fix an error in SIMD code of the Sobel operator.

14th August 2016, 10:48	#5 \| Link
HolyWu Registered User Join Date: Aug 2006 Location: Taiwan Posts: 392	Update r6. Add the Scharr operator. Remove the nms parameter. Optimize the gaussian blur function. Vectorize the non-maximum suppression function. Vectorize the output functions of mode -1, 0 and 1. Now uses per thread buffer allocation instead of per frame.

14th August 2016, 14:01	#6 \| Link
Mystery Keeper Beyond Kawaii Join Date: Feb 2008 Location: Russia Posts: 724	Thank you for your great work. Could you please not make several libs, but instead do CPU detection in plugin initialization and choose the best available optimizations? __________________ ...desu!

26th August 2016, 14:26	#8 \| Link
Mystery Keeper Beyond Kawaii Join Date: Feb 2008 Location: Russia Posts: 724	Great! Thank you very much! __________________ ...desu!

10th September 2016, 17:11	#9 \| Link
HolyWu Registered User Join Date: Aug 2006 Location: Taiwan Posts: 392	Update r8. Change sigma parameter to array type.

11th September 2016, 00:50	#10 \| Link
hydra3333 Registered User Join Date: Oct 2009 Location: crow-land Posts: 543	Thank you.

19th September 2016, 22:20	#11 \| Link
groucho86 Registered User Join Date: Apr 2016 Posts: 85	I'm unable to compile on OS X (10.9.5). I'm using default autogen.sh + configure. I get the following error: Code: CXX TCanny/TCanny.lo error: invalid value 'c++14' in '-std=c++14' make: *** [TCanny/TCanny.lo] Error 1

19th September 2016, 23:37	#12 \| Link
Are_ Registered User Join Date: Jun 2012 Location: Ibiza, Spain Posts: 322	Outdated compiler (almost sure).

1st March 2017, 10:28	#14 \| Link
KingLir Registered User Join Date: Jan 2017 Posts: 146	I am getting the following errors when building on macOS, after autogen and configure. Anyone can assist ? $ g++ --version Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1 Apple LLVM version 8.0.0 (clang-800.0.42.1) Target: x86_64-apple-darwin16.4.0 Thread model: posix InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin $ make TCanny/TCanny.cpp:579:27: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "malloc failure (buffer)" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:586:27: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "malloc failure (blur)" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:594:31: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "malloc failure (gradient)" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:605:31: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "malloc failure (direction)" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:616:31: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "malloc failure (label)" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:622:38: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' } catch (const std::string & error) { ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:681:19: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "only constant format 8-16 bits integer ... ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:684:19: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "the clip's height must be greater than ... ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:688:19: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "more sigma given than the number of planes" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:728:23: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "sigma must be greater than or equa... ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:732:19: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "t_h must be greater than t_l" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:735:19: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "mode must be -1, 0, 1, 2 or 3" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:738:19: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "op must be 0, 1, 2 or 3" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:741:19: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "gmmax must be greater than or equal to 1.0" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:744:19: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "opt must be 0, 1, 2, 3 or 4" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:755:23: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "plane index out of range" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:758:23: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "plane specified twice" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:792:27: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' throw std::string { "malloc failure (weights)" }; ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ TCanny/TCanny.cpp:808:34: error: implicit instantiation of undefined template 'std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >' } catch (const std::string & error) { ^ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:193:33: note: template is declared here class _LIBCPP_TYPE_VIS_ONLY basic_string; ^ 19 errors generated.

3rd March 2017, 15:30	#19 \| Link
Are_ Registered User Join Date: Jun 2012 Location: Ibiza, Spain Posts: 322	Code: CC=clang CXX=clang++ ./configure make V=1 That make switch will give better output for debugging your problem. Oh, and it is usually better if you paste your _full_ log and your _full_ configure log when you want assistance with stuff like that (with some paste-site instead of raw printing it in the forums). Last edited by Are_; 3rd March 2017 at 15:41.

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