npmjs.org : spatial-db-ngt
n-dimensional spatial database for JSON docs with vectors, combining NGT vector search with leveldb
Registry
-
Source
- Homepage
- JSON
purl: pkg:npm/spatial-db-ngt
Keywords:
nd
, spatial
, db
, ngt
, level
, leveldb
, json
, nn
, nearest neighbors
, milvus
License: MIT
Latest release: about 3 years ago
First release: about 4 years ago
Downloads: 29 last month
Stars: 26 on GitHub
Forks: 7 on GitHub
Total Commits: 57
Committers: 2
Average commits per author: 28.5
Development Distribution Score (DDS): 0.018
More commit stats: commits.ecosyste.ms
See more repository details: repos.ecosyste.ms
Last synced: 6 days ago
logfile-binary-search 0.0.16
efficiently search and extract date-ranged entries from large log files using binary search7 versions - Latest release: 7 months ago - 24 downloads last month - 26 stars on GitHub - 1 maintainer
flatten-objects-array 0.0.14
flatten a list of objects into a flat typed / untyped array, or an untyped array of arrays, then ...5 versions - Latest release: 8 months ago - 24 downloads last month - 26 stars on GitHub - 1 maintainer
merge-boxes 0.0.14
recursively merge 3d axis-aligned bounding boxes / cuboids.5 versions - Latest release: 9 months ago - 3 dependent packages - 26 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-market-structure-lines 0.0.13
OHLCV indicator, adds info about recent highs/lows above/below the current price4 versions - Latest release: over 1 year ago - 5 downloads last month - 26 stars on GitHub - 1 maintainer
ohlc-chart-simple 0.0.1131
simple ohlc candlestick charts with volume profile for Node.js13 versions - Latest release: over 1 year ago - 1 dependent package - 62 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-oracle-self-memetic 0.0.114
predict future price action using historic price action6 versions - Latest release: over 1 year ago - 25 downloads last month - 26 stars on GitHub - 1 maintainer
conditional-entropy 0.0.117
utils for calculating conditional entropy given an array of objects with similar fields9 versions - Latest release: over 1 year ago - 20 downloads last month - 26 stars on GitHub - 1 maintainer
marching-cubes-faster 0.0.151
CSG-like version of `marching-cubes-fast`, very fast marching cubes mesher7 versions - Latest release: over 1 year ago - 1 dependent package - 59 downloads last month - 26 stars on GitHub - 1 maintainer
mesh-to-skeleton 0.0.54
convert a triangle mesh into a list of "skeletal points" - points of maximum distance from the su...8 versions - Latest release: over 1 year ago - 3 dependent packages - 16 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-hi-low-trailing 0.0.12
given an array of ohlcv candles, efficiently add trailing hi-low values for the previous [3,5,15,...3 versions - Latest release: over 1 year ago - 19 downloads last month - 26 stars on GitHub - 1 maintainer
raycasting-utils 0.0.214
Fast utilities for ray-casting against triangles or boxes or a distance function / implicit surface15 versions - Latest release: over 1 year ago - 6 dependent packages - 71 downloads last month - 26 stars on GitHub - 1 maintainer
scatter-chart-simple 0.0.114
very simple 2d scatter chart with colored dots for nodejs. render scatter charts on the server.6 versions - Latest release: over 1 year ago - 32 downloads last month - 26 stars on GitHub - 1 maintainer
bvh-aabbs 0.0.112
bounding volume hierarchy for axis-aligned bounding boxes4 versions - Latest release: over 1 year ago - 2 dependent packages - 27 downloads last month - 26 stars on GitHub - 1 maintainer
triangles-distance-fast 1.0.76
signed or unsigned distance function for triangles using r-tree and/or bvh and/or kd-tree13 versions - Latest release: over 1 year ago - 3 dependent packages - 62 downloads last month - 26 stars on GitHub - 1 maintainer
trend-remover 0.0.11
remove simple linear trend from OHLC candles and 1D data series2 versions - Latest release: over 1 year ago - 11 downloads last month - 26 stars on GitHub - 1 maintainer
stock-market-clock 0.0.118
Util for American stock market timing. Calculate the next minute that the NYSE will be open.10 versions - Latest release: over 1 year ago - 1 dependent package - 39 downloads last month - 26 stars on GitHub - 1 maintainer
tetrahedron-distance 0.0.23
Signed distance function for arbitrary tetrahedron, suitable for marching cubes etc. Includes fas...5 versions - Latest release: over 1 year ago - 1 dependent package - 11 downloads last month - 26 stars on GitHub - 1 maintainer
mesh-to-voxels 0.0.113
convert a triangle mesh into a set of voxels / axis-aligned bounding boxes5 versions - Latest release: over 1 year ago - 1 dependent package - 32 downloads last month - 26 stars on GitHub - 1 maintainer
marching-cubes-fast 0.0.172
fast sparse marching cubes implementation - runtime proportional to surface area rather than volume10 versions - Latest release: over 1 year ago - 1 dependent package - 1 dependent repositories - 27 downloads last month - 26 stars on GitHub - 1 maintainer
renko-updater 0.0.111
given ohlcv candles, produce a stream of 'permanent' renko bricks with a callback3 versions - Latest release: over 1 year ago - 12 downloads last month - 26 stars on GitHub - 1 maintainer
markov-simple 0.0.111
yet another markov chain tool for text, very simple, no tokenization; degree-n memos predict indi...3 versions - Latest release: over 1 year ago - 12 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-candle-patterns 0.0.12
simplified interface to label ohlcv candles according to the candle patterns detectable via the t...3 versions - Latest release: over 1 year ago - 5 downloads last month - 26 stars on GitHub - 1 maintainer
generate-heightmap-mesh 0.0.162
generate a triangle mesh from a distance function9 versions - Latest release: over 1 year ago - 3 dependent packages - 20 downloads last month - 26 stars on GitHub - 1 maintainer
obj-to-colored-triangles 0.0.35
convert a textured 3d mesh [Wavefront .obj] into a list of colored triangles. eg, color the mesh ...8 versions - Latest release: over 1 year ago - 1 dependent package - 35 downloads last month - 26 stars on GitHub - 1 maintainer
stock-market-minutes 0.0.112
given a date object or isostring, return the number of minutes into the market day for US markets4 versions - Latest release: over 1 year ago - 1 dependent package - 8 downloads last month - 26 stars on GitHub - 1 maintainer
vwap-fast 0.0.125
Quickly calculate moving volume-weighted average prices [aka VWAP or MVWAP] from a stream of OHLC...15 versions - Latest release: over 1 year ago - 64 downloads last month - 26 stars on GitHub - 1 maintainer
kd-tree-simple 0.0.132
simple experimental kd tree for sloppy json objects6 versions - Latest release: over 1 year ago - 22 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-rr-oracle 0.0.112
fake future-looking risk-reward 'oracle' indicator for evaluating/backtesting quant strategies. d...4 versions - Latest release: over 1 year ago - 19 downloads last month - 26 stars on GitHub - 1 maintainer
renko-chart-ascii 0.0.111
draw renko-style charts in ascii given a string like 'ABAAABB' representing up/down movements3 versions - Latest release: over 1 year ago - 1 dependent package - 10 downloads last month - 26 stars on GitHub - 1 maintainer
olhc-candles-emitter-multiscale 0.0.1
given a stream of ohlcv candles, emit an event every n candles with a period-n merged candle1 version - Latest release: over 1 year ago - 3 downloads last month - 26 stars on GitHub - 1 maintainer
ohlc-candles-rolling 0.0.112
constant-memory rolling data structure for OHLCV candles4 versions - Latest release: over 1 year ago - 1 dependent package - 19 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-volume-profile 0.0.1
big pile of data related to volume profile1 version - Latest release: over 1 year ago - 5 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-fvg 0.0.12
tool to tag fair value gaps (FVG's) in OHLCV candles3 versions - Latest release: over 1 year ago - 13 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-auto-avwap-et 0.0.111
simplified js port of electrifiedtrading's auto-avwap indicator9 versions - Latest release: over 1 year ago - 37 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-supertrend 0.0.1
supertrend indicator1 version - Latest release: over 1 year ago - 6 downloads last month - 26 stars on GitHub - 1 maintainer
highs-and-lows 0.0.1146
Extract indices of high/low points in a 1D array with a moving window11 versions - Latest release: over 1 year ago - 1 dependent package - 46 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-nwe-lux 0.0.1
Nadaraya–Watson envelope indicator1 version - Latest release: over 1 year ago - 4 downloads last month - 26 stars on GitHub - 1 maintainer
candles-align 0.0.11
align 2 or more sets of OHLCV candles by date string or unix epoch seconds; discard candles witho...2 versions - Latest release: almost 2 years ago - 9 downloads last month - 26 stars on GitHub - 1 maintainer
voxel-world 0.0.11
npm version of VoxelWorld class originally by threejsfundamentals + some extra functions and changes2 versions - Latest release: almost 2 years ago - 7 downloads last month - 26 stars on GitHub - 1 maintainer
wave-function-collapse-simple 0.0.115
wave function collapse algorithm for cuboids with backtracking and entropy minimization, 3D and 2...7 versions - Latest release: almost 2 years ago - 2 downloads last month - 26 stars on GitHub - 1 maintainer
kde-simple 0.0.18
simple 1D kernel density estimation (KDE) with gaussian and triangular kernels9 versions - Latest release: almost 2 years ago - 1 dependent package - 23 downloads last month - 26 stars on GitHub - 1 maintainer
icosphere-fast 0.0.1
fast icosphere generator, similar to the 'icosphere' lib but faster for higher division counts1 version - Latest release: almost 2 years ago - 1 dependent repositories - 14 downloads last month - 26 stars on GitHub - 1 maintainer
simplify-triangles 0.0.17
quadratic error mesh decimation. simplified interface for npm mesh-simplifier - use simple triang...8 versions - Latest release: almost 2 years ago - 1 dependent package - 45 downloads last month - 26 stars on GitHub - 1 maintainer
image-sync 0.0.153
synchronously read, modify, and save PNG and JPG image data.9 versions - Latest release: almost 2 years ago - 7 dependent packages - 2 dependent repositories - 85 downloads last month - 26 stars on GitHub - 1 maintainer
ascii-raytracer 0.0.154
Explore infinite 3d worlds from the comfort of your terminal44 versions - Latest release: almost 2 years ago - 3 dependent packages - 204 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-value-area-yesterday 0.0.116
get yesterday's VAH/VAL/VPOC tacked onto today's candles8 versions - Latest release: almost 2 years ago - 35 downloads last month - 22 stars on GitHub - 1 maintainer
backtester-simple 0.0.112
simple experimental back-testing util for quant trading4 versions - Latest release: almost 2 years ago - 16 downloads last month - 26 stars on GitHub - 1 maintainer
boids-3d 0.0.11
simple 3d boids class2 versions - Latest release: almost 2 years ago - 8 downloads last month - 26 stars on GitHub - 1 maintainer
candles-convert 0.0.12
yet another util to convert the time-duration of OHLCV candles. results are either naively merged...3 versions - Latest release: almost 2 years ago - 13 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-order-block-finder 0.0.11
simplified js port of wugamlo's order block finder2 versions - Latest release: almost 2 years ago - 8 downloads last month - 26 stars on GitHub - 1 maintainer
candles-sample-vix 0.0.1
sample OHLCV candles for VVIX from late 20221 version - Latest release: almost 2 years ago - 6 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-mz-rvsi 0.0.1
simplified js port of MightyZinger's MZ-RVSI TradingView indicator, using OBV oscillator1 version - Latest release: almost 2 years ago - 4 downloads last month - 26 stars on GitHub - 1 maintainer
options-contract-name-parse 0.0.11
parse names of options contracts2 versions - Latest release: almost 2 years ago - 8 downloads last month - 26 stars on GitHub - 1 maintainer
candles-sample-aapl 0.0.23
sample OHLCV candles for AAPL from late 202213 versions - Latest release: almost 2 years ago - 48 downloads last month - 26 stars on GitHub - 1 maintainer
black-scholes-probability 0.0.1
Get the probability that the price of an asset will be above the strike price of an option at the...1 version - Latest release: almost 2 years ago - 6 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-max-intersection-prices 0.0.11
Given a set of OHLCV candles, find the 'most intersected prices'.2 versions - Latest release: almost 2 years ago - 11 downloads last month - 26 stars on GitHub - 1 maintainer
breeden-litzenberger 0.0.11
Breeden-Litzenberger formula with central differences2 versions - Latest release: almost 2 years ago - 8 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-sd 0.0.1111
simple candle indicator for dumb-vs-smart-money signal4 versions - Latest release: almost 2 years ago - 17 downloads last month - 26 stars on GitHub - 1 maintainer
fwd-server-websocket 0.0.11
http server that routes requested urls via websocket to client(s) that generates responses to the...2 versions - Latest release: almost 2 years ago - 9 downloads last month - 26 stars on GitHub - 1 maintainer
indicator-supply-demand-zones 0.0.1
supply/demand zones indicator, based on the tradingView indicator by frozon1 version - Latest release: almost 2 years ago - 6 downloads last month - 26 stars on GitHub - 1 maintainer
dl-list-of-urls 0.0.2321
request a list of urls, optionally load each result into jquery object8 versions - Latest release: almost 2 years ago - 2 dependent packages - 9 downloads last month - 26 stars on GitHub - 1 maintainer
name-my-computer 1.0.2311
give your computer a human name based on its mac address8 versions - Latest release: almost 2 years ago - 1 dependent package - 1 dependent repositories - 34 downloads last month - 26 stars on GitHub - 1 maintainer
fibonacci-fit 0.0.115
find best-fit fibonacci price retracement levels [or arbitrary levels] for an array of prices7 versions - Latest release: almost 2 years ago - 38 downloads last month - 26 stars on GitHub - 1 maintainer
needle-haystack-1d 0.0.112
find scaled+shifted fuzzy copies of a 1-d 'needle' within a 1-d 'haystack'4 versions - Latest release: almost 2 years ago - 15 downloads last month - 26 stars on GitHub - 1 maintainer
triangles-mesh-renderer 0.0.2411
simple software renderer. render an image of a triangle mesh directly to a pixel buffer without u...16 versions - Latest release: about 2 years ago - 1 dependent package - 80 downloads last month - 26 stars on GitHub - 1 maintainer
normalize-denormalize 0.0.11
normalize a list of n-dimensional points, or a list of objects, to a 0...1 range, then de-normali...2 versions - Latest release: about 2 years ago - 9 downloads last month - 26 stars on GitHub - 1 maintainer
triangles-mesh-viewer-sdl-regl 0.0.118
node.js simple 3d mesh viewer with fps controls via SDL + regl10 versions - Latest release: about 2 years ago - 46 downloads last month - 26 stars on GitHub - 1 maintainer
triangles-to-three-geometry 0.0.111
convert raw triangles or complexes to/from three.js geometries3 versions - Latest release: about 2 years ago - 15 downloads last month - 26 stars on GitHub - 1 maintainer
yggdrasil-inference-stopgap 0.0.112
unofficial hack to run inference from pre-trained yggdrasil decision forests models in node.js4 versions - Latest release: about 2 years ago - 2 downloads last month - 26 stars on GitHub - 1 maintainer
list-of-etfs-profiles 0.0.1
pre-baked dataset of 2600+ ETF profiles1 version - Latest release: over 2 years ago - 2 dependent packages - 4 downloads last month - 26 stars on GitHub - 1 maintainer
list-of-stocks-profiles 0.0.1209222
pre-baked dataset of NASDAQ/NYSE stock profiles from Yahoo Finance with basic information and app...22 versions - Latest release: over 2 years ago - 2 dependent packages - 107 downloads last month - 26 stars on GitHub - 1 maintainer
list-of-stocks-ipos 0.0.11
list of initial public offering (IPO) dates for NASDAQ and NYSE stocks2 versions - Latest release: over 2 years ago - 3 dependent packages - 21 downloads last month - 26 stars on GitHub - 1 maintainer
pixel-draw 0.0.1273
draw stuff directly onto a pixel buffer similar to a canvas13 versions - Latest release: over 2 years ago - 2 dependent packages - 2 dependent repositories - 114 downloads last month - 26 stars on GitHub - 1 maintainer
list-of-stocks 0.0.120122
pre-baked list of NYSE, NASDAQ tickers/symbols from December 1st, 20224 versions - Latest release: over 2 years ago - 3 dependent packages - 1 dependent repositories - 21 downloads last month - 26 stars on GitHub - 1 maintainer
text-to-triangles 0.0.1
convert text string to triangles, for nodejs1 version - Latest release: over 2 years ago - 5 downloads last month - 26 stars on GitHub - 1 maintainer
triangles-index 0.0.42
index a set of triangles into a set of positions/pts and cells. merge vertices fast.6 versions - Latest release: over 2 years ago - 6 dependent packages - 1 dependent repositories - 35 downloads last month - 26 stars on GitHub - 1 maintainer
bayes-tokens 0.0.1721
get word counts / frequencies on a per-speaker or per-category basis, or as an aggregate7 versions - Latest release: over 2 years ago - 1 dependent package - 29 downloads last month - 26 stars on GitHub - 1 maintainer
histogram-simple 0.0.112
simple 1d histogram util4 versions - Latest release: over 2 years ago - 2 dependent packages - 199 downloads last month - 26 stars on GitHub - 1 maintainer
ascii-data-image 1.0.7852
produces ascii images/animations from 2D datasets [2d float arrays] - eg raw pixel data, histogra...21 versions - Latest release: over 2 years ago - 3 dependent packages - 1 dependent repositories - 80 downloads last month - 26 stars on GitHub - 1 maintainer
trilinear-distortion 0.0.11
distort 3d meshes / points within a bounding box by warping the corners of the box2 versions - Latest release: over 2 years ago - 21 downloads last month - 26 stars on GitHub - 1 maintainer
slide-along-wall 0.0.31
slide a point along a wall / surface / triangle mesh [eg for games, slide camera along wall upon ...4 versions - Latest release: over 2 years ago - 3 dependent packages - 21 downloads last month - 26 stars on GitHub - 1 maintainer
ffmpeg-audio-chop 0.0.111
extract pcm audio data from a video based on start/end time, including spectrum and pitch3 versions - Latest release: over 2 years ago - 1 dependent package - 14 downloads last month - 26 stars on GitHub - 1 maintainer
file-age-string 0.0.1
get a human-friendly string describing the age of a file [or time since last modified]1 version - Latest release: over 2 years ago - 1 dependent package - 3 downloads last month - 26 stars on GitHub - 1 maintainer
line-chart-simple 0.0.112
very simple line chart / time series chart with colored dots for nodejs4 versions - Latest release: over 2 years ago - 1 dependent package - 1 dependent repositories - 20 downloads last month - 26 stars on GitHub - 1 maintainer
zip-file-search 0.0.112
search for files by name inside .zip files within a folder3 versions - Latest release: almost 3 years ago - 11 downloads last month - 26 stars on GitHub - 1 maintainer
lines-path-interpolate 0.0.137
linear or bezier interpolation along a path made from line segments, using binary search11 versions - Latest release: almost 3 years ago - 1 dependent package - 46 downloads last month - 26 stars on GitHub - 1 maintainer
infinite-clamp 0.0.111
remap any number between +/-infinity into the range 0...13 versions - Latest release: almost 3 years ago - 1 dependent package - 5 downloads last month - 26 stars on GitHub - 1 maintainer
pixels-to-video 0.0.123
convert raw pixel data into GIFs or MP4s by piping to ffmpeg6 versions - Latest release: almost 3 years ago - 1 dependent package - 23 downloads last month - 26 stars on GitHub - 1 maintainer
video-to-pixels 0.0.1
stream raw pixel data from a video, frame by frame1 version - Latest release: almost 3 years ago - 1 dependent repositories - 4 downloads last month - 26 stars on GitHub - 1 maintainer
self-reinforcing-paths 0.0.1
shortest paths that become 'more popular' with repeated use. simulate forest trail formation, inf...1 version - Latest release: almost 3 years ago - 9 downloads last month - 26 stars on GitHub - 1 maintainer
pts-to-graph 0.0.253
generate nearest neighbors for a set of 3d points. convert triangle mesh to graph. convert set of...10 versions - Latest release: almost 3 years ago - 2 dependent packages - 34 downloads last month - 26 stars on GitHub - 1 maintainer
palette-simple 0.0.11
generate reduced color palettes for images2 versions - Latest release: almost 3 years ago - 1 dependent package - 13 downloads last month - 26 stars on GitHub - 1 maintainer
read-file-from-zip 0.0.1
read utf8 data from a file inside a zip archive without unzipping1 version - Latest release: almost 3 years ago - 1 dependent package - 4 downloads last month - 26 stars on GitHub - 1 maintainer
jsonfile-compressed-brotli 0.0.117
similar to jsonfile-compressed, but uses brotli compression instead of LZMA (7-zip)6 versions - Latest release: almost 3 years ago - 4 dependent packages - 55 downloads last month - 26 stars on GitHub - 1 maintainer
blob-detection-mser 0.0.11
NPM version of Sylvain Foucher's Javascript implementation of Maximally Stable Extremal Regions (...2 versions - Latest release: about 3 years ago - 1 dependent package - 1 dependent repositories - 18 downloads last month - 26 stars on GitHub - 1 maintainer
json-shrink 0.0.124
shrink json objects with LZMA (7-zip) or Brotli compression + jsonpack7 versions - Latest release: about 3 years ago - 4 dependent packages - 2 dependent repositories - 7.19 thousand downloads last month - 26 stars on GitHub - 1 maintainer
jsonfile-compressed 0.0.113
similar to jsonfile, but with automatic jsonpack + lzma (7zip) compression+decompression5 versions - Latest release: about 3 years ago - 6 dependent packages - 2 dependent repositories - 244 downloads last month - 26 stars on GitHub - 1 maintainer
mesh-to-spheres 0.0.3
convert a triangle mesh into a set of spheres that occupy approximately the same volume as the mesh3 versions - Latest release: about 3 years ago - 2 dependent packages - 16 downloads last month - 26 stars on GitHub - 1 maintainer
bitey 0.0.1
bitey the dog skull. public domain triangle mesh in the same format as 'bunny'1 version - Latest release: about 3 years ago - 2 dependent packages - 19 downloads last month - 26 stars on GitHub - 1 maintainer
mesh-to-tetrahedra 0.0.12
quickly convert a triangle mesh into a set of tetrahedra that occupy approximately the same volum...3 versions - Latest release: about 3 years ago - 2 dependent packages - 26 downloads last month - 26 stars on GitHub - 1 maintainer