Michael H. meresmclr
meresmclr
/ myprog.c
Created
April 15, 2016 02:41
Example of writing and reading file with HDF5 in C. Based on https://scivision.co/linking-libhdf5-dev-with-cmake/
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| #include "hdf5.h" | |
| #define FILE "dset.h5" | |
| int main() { | |
| hid_t file_id, dataset_id,dataspace_id; /* identifiers */ | |
| herr_t status; | |
| int i, j, dset_data[4][6], read_data[4][6]; | |
| hsize_t dims[2]; |
meresmclr
/ setup_gnuparallel.sh
Last active
August 29, 2024 23:10
Install GNU Parallel on any system including Cygwin
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| #!/bin/bash | |
| # useful for platforms such as Cygwin that don't currently have GNU Parallel in their repo. | |
| # prerequisite: make | |
| ( | |
| wd=$(mktemp -d) | |
| wget -nc -P $wd ftp://ftp.gnu.org/gnu/parallel/parallel-latest.tar.bz2 | |
| cd $wd |
meresmclr
/ fortran_devnull.f90
Last active
December 31, 2016 03:57
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| moved to https://github.com/scienceopen/fortran2015-examples |
meresmclr
/ matlab Python N-D array passing.m
Last active
June 26, 2016 15:34
Matlab Python workaround for N-D array passing. Matlab R2014b-R2016a
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| % 200x320 image is now in variable X | |
| load clown | |
| % I ravel X to a row vector, and unravel with Numpy | |
| Xp = py.numpy.reshape(X(:)',size(X),'F'); | |
| % Apply Gaussian filter to image | |
| Yp = py.skimage.filters.gaussian(Xp,3); | |
| % now let's come back to Matlab |
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| cmake -DBUILD_TIFF=ON -DBUILD_opencv_java=OFF -DWITH_CUDA=OFF -DENABLE_AVX=OFF -DWITH_OPENGL=OFF \ | |
| -DWITH_OPENCL=OFF -DWITH_IPP=OFF -DWITH_TBB=OFF -DWITH_EIGEN=OFF -DWITH_V4L=OFF -DBUILD_TESTS=OFF \ | |
| -DBUILD_PERF_TESTS=OFF -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=$(python3 -c "import sys; print(sys.prefix)") \ | |
| -DPYTHON3_EXECUTABLE=$(which python3) \ | |
| -DPYTHON3_INCLUDE_DIR=$(python3 -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") \ | |
| -DPYTHON3_PACKAGES_PATH=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") .. | |
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| #!/bin/sh | |
| # run on remote PC, connect with runvnc.sh | |
| vncserver -kill :1 | |
| vncserver :1 -geometry 1200x800 -localhost | |
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| #!/bin/sh | |
| ssh -f -L 5901:localhost:5901 username@address sleep 1; | |
| ssvncviewer localhost::5901 |
meresmclr
/ matplotlib_integer_axes.py
Created
August 30, 2016 16:36
make matplotlib label axes with integers
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| import matplotlib.pyplot as plt | |
| from matplotlib.ticker import MaxNLocator | |
| #... | |
| ax = plt.figure().gca() | |
| #... | |
| ax.xaxis.set_major_locator(MaxNLocator(integer=True)) |
meresmclr
/ findbig.sh
Created
September 2, 2016 05:01
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| #!/bin/sh | |
| # | |
| # finds N biggest directories. | |
| # Alternative is "ncdu" a graphical biggest file program | |
| \du -hd1 $1 | sort -h | head -n 8 |
meresmclr
/ matlab_animation_example.m
Last active
September 2, 2016 05:10
example animated movie in Matlab or Octave
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| %% create data, 25 frames of 512x512 pixels | |
| data = rand(512,512,25); | |
| %% create blank image | |
| img = imagesc(rand(512)); | |
| ht = title(''); % to show frame number | |
| %% for loop to play "movie" | |
| for i = 1:25 | |
| set(img,'cdata',data(:,:,i)) % update latest frame |