ASCII ART
C++ implementation of image to ASCII art conversion.
The main functionality is in ascii_art in ascii_art.h. For general inputs
I use stb_image_resize.h to resize the input. Otherwise, the only dependency
is the standard library.
There are three executable demos exposing this:
image2ascii
Convert an input image into ASCII art
For example, if you issue:
./image2ascii ../max-schmeling.jpg
You'll see:
______
__qMMMMMMMMMMp___
_qMMMMMMMMMMMMMMMQQp_
_QMMMMMMMMMMQMMMMMMMQMQ_
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spy
Visualize a matrix similar to MATLAB's spy command, but as ASCII art. This
command constructs the cotangent Laplacian of an input triangle mesh and
visualizes this sparse matrix to the terminal:
For example, if you issue:
./spy ../suzanne.obj
You'll see:
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', u ^"`77"`**~==CkiQ______ "``*~=k,___
', `7W~~8W2,Q`j?j___" ' __" 7=JTQ@j_"" _
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ascii3d
Ray trace an input 3D triangle mesh or 3D scene as ASCII art.
For example if you issue,
./ascii3d ../suzanne.obj
You'll see:
_____mmmmmmmmmm_____
__p@@@@"""""""""""""""@@@m__
_g@@@"`___`` `` ``___`"@@@p_
_d@@@@_j"` `%_ _/` `"@_@@@@@_
/@@@@j@` @_ _@ `%@j@@@h
j@j@"` _;````";_ "_ _@ _;"````;_ `"@@@k
-'___ _ _@` __@"`__, ,_ `- `""` ;" _ ,,__`"%__ `@_ _ ___'-
, _QQQQp_^#@@"`` j@_-``-_% ` ` ;_-``"_@@ ```"@@"_qQQQQ__ \
@ j `7QpQ@@_ @@" j_ _) `@@ _j@QQp@` % _
) |`` @@@Qp@@_;_"@@____@@ @@____y@/_;_j@qQE@@ ``j j
@ ,``` @@@@QQp@__@_"R@@@`- `@@@R"_@"_jqQW@@@@ ```, j`
"__~__"@@qQMQQp@j_@@""` `""@@__jqQMMQ@@@"__-"jF
`%m___"@WMMMMMQQQpp____ ____jQQQQMMMMMK@"___p="
`77777``7FWMMQQQQQp__ __ __jQQQQQMMWF7```7777`
7WMQMME__ _pQMMQMW^
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@@" "@@
_@@` `"@_
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#@` `@@
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``````````````_________________q@"` _q__p_ `"@p_________________``````````````
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This ray-tracer is interactive
Try hitting the hjklJK keys to interact with the 3D scene:
Compilation
mkdir build
cd build
cmake ../ -DCMAKE_BUILD_TYPE=Release
make
Demos depends on libigl, stb, Eigen, Embree.
Note
This implementation is hard-coded to work best with Courier New Bold.