MH_Toos  SOFTWARE

MH_TOOLS software & Utilities
mh_tools software & utilities.

As a Technical Director in the CGI industry, I build Python tools to automate workflows and solve problems every day — and I love doing it. Outside of film, series and game production work, I bring that same mindset to other areas I’m passionate about, from Astrophotography and Macro Photography to practical CGI and VFX utilities.

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Astrophotography
Macro Photography
CGI / VFX & Mocap
Science & Physics
Other Utilities

All non-commercial software on my site is free to download and use, and shared under a CC BY-NC-ND 4.0 License. 

ASTRO  PHOTO

AstroPhotography

Astronomy & Astrophotography.

"When we consider cutting an apple pie (continuing down beyond a single atom) we confront an infinity of the very small, and when we look up at the night sky, we confront an infinity of the very large. These infinities represent an unending regress that goes on not just very far, but forever." — Carl Sagan, Cosmos 

Astrophotography

MH_ASTRO_TOOLS SUITE

Suite Launcher
The single place to open every tool in the suite. Full mode shows six labelled buttons; Compact collapses to a slim icon bar for keeping the Launcher visible beside your capture software. Right-click any tool button to open its PDF manual. Preferences cover window transparency, always-on-top, edge-snap, and auto-starting the Night Vision Overlay with the Launcher.

Exposure Calculator
Calculates recommended exposure time for deep-sky imaging using telescope/lens parameters, sensor specs, sky quality (Bortle), binning, and filter bandwidth. Includes planning estimates such as field of view, pixel scale, sky-limited time and limiting magnitude. All values are computed locally from an AB-magnitude photon-counting model — there is no live data fetch. Profiles save and reload a full configuration, and results export to .txt, .csv or .json.

UTC / GPS / Weather
Local time, UTC and an exposure timer alongside a saved GPS site and an auto-refreshing astronomy and weather panel. Reports sunrise/sunset, moonrise/moonset, moon phase, illumination and synodic age, temperature, dew point and condensation risk, humidity, cloud cover, mean-sea-level pressure with trend, magnetic declination, elevation and a seeing estimate. Astronomical times are computed offline; weather is fetched when the internet is available.

500 Rule Calculator
Estimates the maximum shutter speed for tripod-based nightscape photography before star trailing becomes noticeable, using focal length and sensor crop factor. Eight sensor presets from Full Frame to Micro Four Thirds, with live recalculation as you type.

Night Vision Red Screen (Overlay)
An adjustable red screen tint across the whole desktop — click-through, all monitors, always on top. Dim (black) and Tint (colour) are independent layers, so “how dark” and “how red” are separate controls, with a hue slider running from deep red to amber. Four user presets, per-monitor toggles, and a region cutout to leave one area untinted. Global hotkeys work even when another application has focus, including an instant panic-off.

Night Vision Scientific Calculator
A night-mode calculator with Regular and Scientific modes plus a memory panel for quick reuse of results. DEG/RAD trigonometry, natural and base-10 logarithms, powers and factorial. Expressions are evaluated by a restricted AST allow-list rather than Python’s eval, so it computes mathematics only.

Weather Widget
A compact night-vision desktop HUD for field use, showing observing-relevant weather at a glance without opening a browser. Reports temperature, dew point and the temperature-to-dew-point spread with a condensation-risk label (EXTREME / HIGH / MED / LOW), wind speed, barometric pressure with a trend arrow, and WMO sky condition. Metric or imperial units. Lives in the system tray rather than the taskbar, and can start automatically with Windows.


mh_Astrophotography_Tools_Suite Installer
mh_Astrophotography_Tools_Suite Installer
mh_Astrophotography_Exposure_Calculator
mh_astrophotography_calculator GUI.
Download mh_Astro_Tools Installer
Download mh_Astro_Tools from GitHub

NEW RELEASE: Version 2.0.0

Windows x64 Version. 

Download mh_Astro_Tools Installer from my site or from the official Release page on GitHub.

Installer Size: 171 MB.

Manuals are included with the install.

ASTRO_WEATHER_WIDGET

MH_ASTRO_WEATHER WiDGET

Astro Weather Widget is a compact, night‑vision‑friendly desktop widget for Astrophotography field use.

It provides quick “at a glance” environmental information without needing to open a full app or browser.
Displayed data includes:
• Time (with timezone)
• Latitude / Longitude
• Sky summary (cloud %, temperature)
• Dew point, RH, dew spread + dew risk cue (LOW / MED / HIGH)
• Pressure + 3‑hour trend
• Wind speed + direction
• Sunrise / Sunset
• Moon phase + illumination + Moonrise / Moonset


mh_Astro_Weather_Widget for Windows.
Download mh_Astro_Weather_Widget Zip
Download mh_Astro_Weather_Widget from GitHub

NEW RELEASE: Version 2.0.0

Windows x64 Version. 

Download mh_Astro_Weather_Widget Zip from my site or from the official Release page on GitHub.

Zip Size: 35.1 MB.

Manuals are included in the Zip.

MACRO & MICRO

MACRO PHOTOGRAPHY

Macro & Photomicrography.

"Explore the world. Nearly everything is really interesting if you go into it deeply enough." — Richard P. Feynman 

PHOTOMICROGRAPHY

mh_Photomicrography Tool

The Photomicrography & Rail Stacking Tool is a precision utility for macro and photomicrography workflows. It helps calculate magnification, field of view, depth of field, and stacking steps for a wide range of setups — from standard macro lenses to microscope objectives. Built for accuracy and efficiency, it’s suited to both scientific documentation and creative close-up work.


mh_Photomicrography_Tool by Martin P. Heigan.
Download mh_Photomicrography_Tool Zip
Download mh_Photomicrography_Tool from GitHub

NEW RELEASE: Version 2.0.0

Windows x64 Version.

Download mh_Photomicrography_Tool Zip from my site or from the official Release page on GitHub.

Zip Size: 47.5MB

Manuals are included in the Zip.

3D CGI  VFX MOCAP

CGI / VFX & MOCAP TOOLS

3D, CGI, VFX, Mocap & Post Post Production Tools

CGI & VFX Tools

A small collection of  tools that can fit into any Studio pipeline, and will come in handy for Freelancers. It simplifies common tasks that 3D Artists deal with every day, like Renaming and Renumbering image sequences, etc.

MH PLAYER

mh_PLAYER
mh_vfx_tools
mh_PLAYer
Built for the pipeline. Designed for the artist.
mh_PLAYer is a high-performance image sequence and video player built for CGI and VFX production pipelines. It handles the formats, colour spaces, and review workflows that artists and technical directors encounter every day — from multi-layer OpenEXR sequences to H.264 video dailies — without compromising on accuracy or speed. No Python. No dependencies. Extract the ZIP and run.
Windows x64 OpenEXR OpenColorIO FFmpeg DPX Free Core Commercial Features
mh_PLAYer is a high-performance image sequence and video player built for
CGI and VFX production pipelines. It handles the formats, colour spaces,
and review workflows that artists and technical directors encounter every
day — from multi-layer OpenEXR sequences to H.264 video dailies — without
compromising on accuracy or speed.
mh_PLAYer page

NEW RELEASE: Version 2.12.3

Windows x64 Version.

Visit the mh_PLAYer page to download the Installer or ZIP from my site, or the official Release page on GitHub.

Zip Size: 211MB

Installer Size: 147MB

Manuals are included in the Installer and Zip.

MH TIMECODE GENERATOR

mh_LTC_TIMECODE GENERATOR

mh_LTC_Generator is a real-time Linear Timecode (LTC) generator designed for studio, broadcast, and post-production use. It outputs an LTC audio signal via your selected sound device and displays the matching timecode on screen.


mh_LTC_Generator turns your Windows PC and audio interface into a professional SMPTE LTC timecode generator.
MH_LTC_GENERATOR PAGE

NEW RELEASE: Version 2.0.3

Windows x64 Version.

Visit the mh_LTC_GENERATOR page to download the ZIP from my site or the official Release page on GitHub.

Zip Size: 56.7MB

Manuals are included in the Zip.

MH QT VIDEO SCOPES

mh_QT_VIDEO SCOPES

mh_qt_video_scopes is a PyQt-based monitoring tool designed for video and audio analysis in professional post-production environments.
It provides:
•    A live video preview with overlays.
•    A Waveform Monitor (luma and RGB parade).
•    A Vectorscope for chroma evaluation.
•    An audio level meter with LUFS-style smoothing.
•    Support for:
o    Video files.
o    SMPTE color bars.
o    Live capture devices (video + audio) via ffmpeg.

mh_qt_video_scopes is a monitoring tool designed for video and audio analysis in professional post-production environments.
Releasing Soon

Windows x64 Version.

MH TEST TONE GENERATOR

mh_TEST_TONE GENERATOR

mh_Test_Tone_Generator is a precision audio reference and monitoring utility for broadcast operations, post-production QC, studio alignment, and acoustic tuning. It generates calibrated tones, noise, sweeps, and channel-verification patterns with true VU ballistics, peak meters, a black/green oscilloscope, and a 1/3-octave RTA. Export tools capture RTA bands or sweep RMS by octave to CSV for documentation.
Standards awareness: SMPTE / EBU R128 alignment practices (−20 dBFS / −18 dBFS) are supported.

The mh_vfx_tools - Test Tone Generator is a precision audio reference and monitoring utility for broadcast operations, post-production QC, studio alignment, and acoustic tuning. It generates calibrated tones, noise, sweeps, and channel-verification patterns with true VU ballistics, peak meters, a black/green oscilloscope, and a 1/3-octave RTA. Export tools capture RTA bands or sweep RMS by octave to CSV for documentation.

Standards awareness: SMPTE / EBU R128 alignment practices (−20 dBFS / −18 dBFS) are first-class citizens.
Releasing Soon

Windows x64 Version.

MH RENAME

mh_RENAME Tool

mh_Rename replaces the friction of editing filenames one at a time with a batch workflow built around the realities of VFX production: multi-thousand-frame image sequences, dot-separated frame numbers, mixed-extension deliveries, and the constant need to rename plates, comps and render passes without destroying the originals. Every change appears in a live side-by-side preview before anything is committed, and a non-destructive copy mode leaves the source files untouched..


mh_Rename - File Sequence Renamer For VFX Artists & Animators.
Download mh_RENAME ZIP
Download mh_RENAME FROM GITHUB

NEW RELEASE: Version 1.3

Windows x64 Version.

Download mh_Rename from my site or from the official Release page on GitHub.

Size: ZIP 46.7 MB.

Manual included in the Zip.

SCIENCE PHYSICS

SCIENCE & PHYSICS

Science, Physics & Chemistry.

Interesting tools and utilities to stimulate the mind.

Periodic Table of Elements

Periodic Table of THE Elements

What is the probability that you live in a Universe where Mendeleev and Schrödinger's Periodic Table of Elements would find its way to a Spreadsheet on your screen? Find out by downloading and observing the Periodic Table for Excel.


periodic_table_1024px
Download xlsx

Download the Excel xlsx file.

Built in Python with: Mendeleev xlsxwriter.

Size: 8 KB

OTHER UTILITIES

OTHER UTILITIES

Other Tools and Utilities.

Tools and Utilities that simplify tedious and repetitive tasks.

MH TIME LOGGER

mh_TIME LOGGER

Log your time working of performing any other task.

mh_tools - Time Logger
Releasing Soon

Windows x64 Version.


GALLERY & LINKS

Gallery & Links

A short image compilation and quick links.

Flickr
PHOTOGRAPHY SHOWCASE
LinkedIn
IMDB
Contact

© Martin P Heigan

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