density | Superfast compression library | Compression library

 by   k0dai C Version: density-0.14.2 License: BSD-3-Clause

kandi X-RAY | density Summary

kandi X-RAY | density Summary

density is a C library typically used in Utilities, Compression applications. density has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

DENSITY is a free C99, open-source, BSD licensed compression library. It is focused on high-speed compression, at the best ratio possible. All three of DENSITY’s algorithms are currently at the pareto frontier of compression speed vs ratio (cf. [here] for an independent benchmark). DENSITY features a simple API to enable quick integration in any project. Branch|Linux & MacOS|Windows --- | --- | --- master|[Build Status] status(dev|[Build Status] status(
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            kandi-support Support

              density has a medium active ecosystem.
              It has 987 star(s) with 48 fork(s). There are 29 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 9 open issues and 47 have been closed. On average issues are closed in 463 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of density is density-0.14.2

            kandi-Quality Quality

              density has no bugs reported.

            kandi-Security Security

              density has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              density is licensed under the BSD-3-Clause License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              density releases are available to install and integrate.
              Installation instructions, examples and code snippets are available.

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            density Key Features

            No Key Features are available at this moment for density.

            density Examples and Code Snippets

            Density of the red edge .
            pythondot img1Lines of Code : 7dot img1License : Permissive (MIT License)
            copy iconCopy
            def redEdgeNDVI(self):
                    """
                    Normalized Difference self.rededge/self.red
                    https://www.indexdatabase.de/db/i-single.php?id=235
                    :return: index
                    """
                    return (self.redEdge - self.red) / (self.redEdge + self.red)  

            Community Discussions

            QUESTION

            Create PNG icons from SVG with overlay text using imagemagick
            Asked 2021-Jun-15 at 18:44

            I'm trying to use imagemagick to generate PNG images from an SVG for use in a PWA. I'm having trouble working out which image is used when by the PWA. To debug this I'd like to annotate each generated PNG image with an index so I can tell which image the PWA uses in several different scenarios.

            Below is an example of the command I'm using to create a 128x128 maskable PNG (10% margin) with white background from a source SVG.

            ...

            ANSWER

            Answered 2021-Jun-15 at 18:44

            You can do that in one command line in ImageMagick 7 as follows. Assume the lena image is the result of your command. So I add the following just before the output:

            Unix Syntax:

            Source https://stackoverflow.com/questions/67984677

            QUESTION

            Tensorflow ValueError: Dimensions must be equal: LSTM+MDN
            Asked 2021-Jun-14 at 19:07

            I am trying to make a next-word prediction model with LSTM + Mixture Density Network Based on this implementation(https://www.katnoria.com/mdn/).

            Input: 300-dimensional word vectors*window size(5) and 21-dimensional array(c) representing topic distribution of the document, used to train hidden initial states.

            Output: mixing coefficient*num_gaussians, variance*num_gaussians, mean*num_gaussians*300(vector size)

            x.shape, y.shape, c.shape with an experimental 161 obserbations gives me such:

            (TensorShape([161, 5, 300]), TensorShape([161, 300]), TensorShape([161, 21]))

            ...

            ANSWER

            Answered 2021-Jun-14 at 19:07

            for MDN model , the likelihood for each sample has to be calculated with all the Gaussians pdf , to do that I think you have to reshape your matrices ( y_true and mu) and take advantage of the broadcasting operation by adding 1 as the last dimension . e.g:

            Source https://stackoverflow.com/questions/67965364

            QUESTION

            How can i add labels in terms of range to my Leaflet map
            Asked 2021-Jun-14 at 13:29

            I have been following the leaflets tutorial where it is guiding on how to build an Interactive Choropleth map. Not all things are entirely included and once in a while I have to go online in an attempt to tweak things to get the to work. I got this point where I was labeling the population density of the states and my legend does not show a range in the labels like in this map and instead looks like this (in photo below).

            Below is my code that gives the legend above

            ...

            ANSWER

            Answered 2021-Jun-14 at 13:29

            From that page you need to have the code starting from Custom Legend Control plus getColor function from Adding Some Color and its style. You are missing the relevant styles.

            Source https://stackoverflow.com/questions/67970223

            QUESTION

            Plot "stacked" density distributions of variables, categorized by 0 or 1, in Python
            Asked 2021-Jun-14 at 04:47

            I have the following dataset:

            ...

            ANSWER

            Answered 2021-Apr-28 at 14:12

            Here is an adaption of seaborn's ridgeplot example for the given structure. Here multiple='stack' is selected in sns.kdeplot (the default is multiple='layer' plotting them both starting from y=0). Note that common_norm defaults to True, which scales down both curves in proportion to the number of samples.

            As seaborn works with data in "long form", pd.melt() transforms the given dataframe. The long form looks like:

            Source https://stackoverflow.com/questions/67299376

            QUESTION

            Circular histogram with fitted Von Mises Distribution
            Asked 2021-Jun-13 at 15:13

            For the past days I've been trying to plot circular data with python, by constructing a circular histogram ranging from 0 to 2pi and fitting a Von Mises Distribution. What I really want to achieve is this:

            1. Directional data with fitted Von-Mises Distribution. This plot was constructed with Matplotlib, Scipy and Numpy and can be found at: http://jpktd.blogspot.com/2012/11/polar-histogram.html

            1. This plot was produced using R, but gives the idea of what I want to plot. It can be found here: https://www.zeileis.org/news/circtree/

            WHAT I HAVE DONE SO FAR:

            ...

            ANSWER

            Answered 2021-Apr-27 at 15:36

            This is what I achieved:

            I'm not entirely sure if you wanted x to range from [-pi,pi] or [0,2pi]. If you want the range [0,2pi] instead, just comment out the lines ax.set_xlim and ax.set_xticks.

            Source https://stackoverflow.com/questions/67282865

            QUESTION

            Connected road segments and traffic density heat/contour map over time in R
            Asked 2021-Jun-12 at 13:04

            I have traffic density (number of cars) data of various segments of a road. I want to plot a contour map like in the attached figure in R.

            ...

            ANSWER

            Answered 2021-Jun-12 at 13:04

            It seems that you're looking for a tile plot. Here is an approach with ggplot2:

            Source https://stackoverflow.com/questions/67926356

            QUESTION

            Fill color of shifted density plot
            Asked 2021-Jun-11 at 14:02

            I have two overlaid plots like the following:

            ...

            ANSWER

            Answered 2021-Jun-11 at 14:02

            You could alternatively shift the relevant data up:

            Source https://stackoverflow.com/questions/67937067

            QUESTION

            Optimize c++ Monte Carlo simulation with long dynamic arrays
            Asked 2021-Jun-10 at 13:17

            This is my first post here and I am not that experienced, so please excuse my ignorance.

            I am building a Monte Carlo simulation in C++ for my PhD and I need help in optimizing its computational time and performance. I have a 3d cube repeated in each coordinate as a simulation volume and inside every cube magnetic particles are generated in clusters. Then, in the central cube a loop of protons are created and move and at each step calculate the total magnetic field from all the particles (among other things) that they feel.

            At this moment I define everything inside the main function and because I need the position of the particles for my calculations (I calculate the distance between the particles during their placement and also during the proton movement), I store them in dynamic arrays. I haven't used any class or function,yet. This makes my simulations really slow because I have to use eventually millions of particles and thousands of protons. Even with hundreds it needs days. Also I use a lot of for and while loops and reading/writing to .dat files.

            I really need your help. I have spent weeks trying to optimize my code and my project is behind schedule. Do you have any suggestion? I need the arrays to store the position of the particles .Do you think classes or functions would be more efficient? Any advice in general is helpful. Sorry if that was too long but I am desperate...

            Ok, I edited my original post and I share my full script. I hope this will give you some insight regarding my simulation. Thank you.

            Additionally I add the two input files

            parametersDiffusion_spher_shel.txt

            parametersIONP_spher_shel.txt

            ...

            ANSWER

            Answered 2021-Jun-10 at 13:17

            I talked the problem in more steps, first thing I made the run reproducible:

            Source https://stackoverflow.com/questions/67905839

            QUESTION

            A good way to serialize a known array of small structs
            Asked 2021-Jun-09 at 03:38

            I have a large array of small structs that I would like to serialize to file.

            The struct:

            ...

            ANSWER

            Answered 2021-Jun-08 at 08:52

            Assuming you're using a recent framework: spans are your friend. As a trivial way of writing them:

            Source https://stackoverflow.com/questions/67884211

            QUESTION

            Trying to keep dropdown menus flush to the edge of header regardless of change in viewport size
            Asked 2021-Jun-08 at 20:11

            I have a somewhat mobile responsive header, but there are some dropdown menus that I would like to keep flush to the edge of the header element regardless of changes in viewport size as the header adjusts.

            I tried putting those dropdowns in their own element such as a div or section and adding all the same css from the individual selectors, but I did not make progress there.

            ...

            ANSWER

            Answered 2021-Jun-08 at 20:11

            Just a little bit of CSS tweaking and consolidating. I removed the individual styles set for each of those four floating elements and added them to one .fixed_under_header class element.

            This CSS should do the trick:

            Source https://stackoverflow.com/questions/67741957

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install density

            DENSITY can be built on a number of platforms, via the provided makefiles. It was developed and optimized against Clang/LLVM which makes it the preferred compiler, but GCC and MSVC are also supported. Please use the latest compiler versions for best performance. On MacOS, Clang/LLVM is the default compiler, which makes things simpler.
            Using DENSITY in your application couldn’t be any simpler.
            density_api.h

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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