I have a .dot file and I am using command line to plot a graph using the dot file in pdf format using the following command
$ dot -Tpdf -O output_model.dot
I am getting the following error:
libpath/shortest.c:315: triangulation failed
libpath/shortest.c:183: source point not in any triangle.
Any ideas why am I seeing this error?
Without seeing the contents of your .dot file it is difficult to know. But, I've had a similar error when using the constraint=false parameter on the edges in a graph.
Related
I'm trying to manipulate an image with both read and imfinfo commands. Octave gives a syntax error for this command.
imfinfo(C:Users\konra\Documents\work_stuff\Lochow\210329_Pacitti\210810_photos\DJI_0002.jpg)
^
The little carrot is under the "i" in 210329_Pacitti
You did not set the path between apostrophe like this
imfinfo('C:Users\konra\Documents\work_stuff\Lochow\210329_Pacitti\210810_photos\DJI_0002.jpg')
Summary
I want to manually add syntax highlighting of specific words in error messages. I tried with a pipeline to awk, but this doesn't seem to work with the entire message that is thrown by make. Can anybody help me to get the following pipeline working for make's entire error message?
make | awk '{for(i=1;i<=NF;i++){ if($i~/error/ || $i~/Built/) $i=sprintf("\033[0;36m %s \033[0;00m",$i)}; print}'
Or maybe—better still—a different approach to my
Situation (in detail)
To build my latex project, I use Cmake together with UseLATEX (github page). That way, I can simply render my document by executing make from inside a build folder. Only problem: There is no syntax highlighting for the wall of text of an error message. I need to add a minimal version of this, to work productively. (Maybe words could be highlighted globally in my terminal?)
By passing the output in a pipeline to awk (manpage)—inspired by this askubuntu post—I was able to highlight make's success message, pdflatex myfile.tex's success and error message, but not make's error message, it did not highlight the interesting parts of the long message.
By highlighting Built in the code snippet above, one can see that it does highlight when the first command make succeeds.
The problem is that I do not fully understand when the pipeline passes what. It seems that some output can get highlighted and some cannot.
Thanks for any help!
Steps needed to reproduce
To get into exactly the situation at hand, you need a project folder containing
build/
cmake/
myfile.tex
CMakeLists.txt
with cmake/ containing UseLATEX.cmake
and CMakeLists.txt reading
include(cmake/UseLATEX.cmake)
ADD_LATEX_DOCUMENT(myfile.tex)
and myfile.tex being a valid or non-valid latex document, e.g.
\documentclass{article}
\begin{document}
Some \undefined command
\end{document}
From inside the build/ folder, call cmake .., and then make, or rather the full command above.
The message is written on stderr, not on stdout. You have to handle stderr. In bash, you can:
make 2> >(do_something_with_stderr >&2) | do_something_with_stdout
Because | changes buffering, it's not always wanted in interactive programs. For interactive I prefer:
make 2> >(do_something_with_stderr >&2) >(do_something_with_stdout)
and sometimes that's one function:
some_func() { do_something; }
make 2> >(some_func >&2) >(some_func)
I'm trying to install libssh-0.8.5 onto Ubuntu 16.04 using the instructions from the install.readme provided. I follow every step as stated, but I get an error after executing the make command to build the project. The error is as follows:
[ 65%] Built target exec
tests/CMakeFiles/ssh_ping.dir/flags.make:8: *** target pattern contains no '%'. Stop.
CMakeFiles/Makefile2:1696: recipe for target 'tests/CMakeFiles/ssh_ping.dir/all' failed
make[1 ]: *** [tests/CMakeFiles/ssh_ping.dir/all] Error 2
Makefile:160: recipe for target 'all' failed
make: *** [all] Error 2
I have researched and seen that it could be a syntax error somewhere in my make file that is preventing the build to continue. I have looked at the target make file giving the problem, but cant seem to identify what is causing the error.
The flag.make file is as follows:
The problem seems to be coming from the highlighted bold line. Can anyone see what I am missing?
On StackOverflow (and most other similar sites), please cut and paste text into your questions and format them using the proper markdown facilities, rather than attaching images containing text. The latter is difficult to read and we can't cut and paste it into our answer to show where things are going wrong.
You cannot embed newlines in quoted strings, in makefiles. Make is completely line-oriented and does not parse quotes at all. So to make this:
FOO = "bar
biz"
is not considered one line assigning a value containing a newline to a variable FOO. Instead, it's considered two lines, the first of which is assigning the value "bar to variable FOO and the second of which is a syntax error since make can't parse the string baz" as a valid command.
Apparently ssh wasn't installed properly on your platform, while cmake relies on it. I am a bit surprised that cmake itself did not raise an error when generating flag.make but as I don't use cmake I do not know whether it is its normal behaviour or not.
Anyway, when cmake tried to detect your version of OpenSSH it did it by running ssh and got an error message instead of the version number it wanted. This error message got inserted in the generated flag.make Makefile. Because the second line of this error message (I could copy-paste it here if it was not in a picture in your question) has the:
a: b: c
form, make tried to interpret it as a static pattern rule but as it contains no % wildcard character, make raised a syntax error.
What happens if you try to run /usr/bin/ssh -V on the command line?
i use macOS
already $ brew install graphviz
so, i can use dot -V
⇨ dot - graphviz version 2.40.1 (20161225.0304)
i made [test.dot] file on Desktop,and dot -T png -O test.dot
but , Error: test.dot: syntax error in line 1 near '{' occured
please help
test.dot
digraph d {
A [label="Hello"]
B [label="World"]
C [label="Everyone"]
A -> { B C }
}
As a matter of concern, opening a file opens in a word
It may be due to line endings or BOM markers. I get
$ cat PruneGraph.dot | dot.exe
Error: <stdin>: syntax error in line 1 near 'digraph'
but the following fixes it:
$ cat PruneGraph.dot | dos2unix.exe | dot.exe
I have tried your example in different environments. The example is valid. As user882813 stated, it could be that your file is not plain ASCII and there are special character you probably not see directly. Use a plain ASCI-Editor, for e.g. vscode, and try again.
I can successfully produce the images when output is HTML, but errors out when attempting pdf output.
input file text for image,
Error produced,
pandoc: Error producing PDF from TeX source.
! Undefined control sequence.
images\icon
l.535 \includegraphics{images\icon.png}
Note that pandoc produces the PDF via LaTeX, as the error message reveals. Your input
is converted into LaTeX
\includegraphics{images\icon.png}
\ in LaTeX has a special meaning: it begins a control sequence. So LaTeX is looking for an \icon command here and not finding it. The fix is to use a forward slash / instead of a backslash \ as path separator. LaTeX allows you to use / for paths even in Windows.
Of course, this may cause problems in some other output formats. I suppose I should change pandoc to convert backslashes in paths to forward slashes when writing LaTeX.
I've had a similar problem on Windows. My images are stored in a subdirectory named "figures". No matter what I tried the path wasn't followed. I have solved it by including --resource-path=.;figures in the call to pandoc.