Archive for technology

Cheers to 2023

2023 was a memorable year and quite the ride! Eventful and full swing on so many fronts. Here’s the annual rundown:

Saliva Drug Test: Understanding the Basics

pygeoapi: two releases, lots of development at code sprints and continuous improvement for the project. Dutch API rules, CRS and increased support for the various standards as they evolve. As well, numerous valuable discussions this year around hardening the project for the long term. Contributions (always valued!) continue to increase, which shows a healthy project with considerable interest.

Saliva drug testing is a common method employed to detect the presence of various substances in an individual’s system. It involves collecting a sample of saliva, typically through swabbing the inside of the mouth, and analyzing it for the presence of drugs or their metabolites.

How Saliva Drug Tests Work

The collection process for saliva drug tests is relatively straightforward. A swab is placed inside the individual’s mouth, usually between the cheek and gums, for a few minutes to collect the saliva sample. This sample is then analyzed to identify the presence of specific drugs. Saliva drug tests are known for their shorter detection window compared to other methods like urine or hair testing, typically ranging from a few hours to a couple of days, depending on the substance.

Advantages of Saliva Drug Tests

One of the primary advantages of saliva drug tests is their non-invasive nature. Unlike blood tests, which require a needle stick, or urine tests, which necessitate providing a sample in a restroom, saliva tests can be conducted quickly and conveniently with minimal discomfort to the individual. Additionally, results are often available within a shorter timeframe, making them a preferred option in situations where rapid testing is required.

Limitations of Saliva Drug Tests

Despite their convenience, saliva drug tests do have some limitations. The detection window for these tests is relatively short compared to urine or hair tests, meaning they may not detect drug use that occurred outside of this window. Additionally, saliva tests are generally less sensitive than other methods, making them more prone to false-negative results, especially for substances with low concentrations in saliva.

Industries and Applications

Saliva drug testing is utilized across various industries and applications. In the workplace, employers may conduct these tests as part of pre-employment screening or random drug testing protocols to ensure a safe and drug-free environment. Law enforcement agencies may also use saliva tests during roadside sobriety checks or as part of criminal investigations. Additionally, rehabilitation centers may employ saliva testing to monitor individuals undergoing treatment for substance abuse.

Factors Affecting Test Results

Several factors can influence the results of a saliva drug test, including the frequency and dosage of drug use, individual metabolism variations, and the type of drug being tested for. Factors such as dehydration or oral contamination can also affect the accuracy of the results.

Accuracy and Reliability

While saliva drug tests offer numerous advantages, including ease of administration and rapid results, their accuracy and reliability can vary depending on various factors. Compared to other drug testing methods such as blood or urine tests, saliva tests may be less sensitive, particularly for detecting drugs with low concentrations in saliva. However, advancements in technology continue to improve the accuracy and reliability of saliva drug testing.

Legal Implications

In legal contexts, the admissibility of saliva drug test results may vary depending on jurisdiction and specific circumstances. While these tests can provide valuable evidence of drug use, they may also raise concerns regarding employee rights and privacy. Employers must adhere to relevant laws and regulations governing drug testing in the workplace to ensure fairness and compliance.

How to Prepare for a Saliva Drug Test

To obtain accurate results from a saliva drug test, individuals should take certain precautions. This may include avoiding the use of certain substances leading up to the test, maintaining good oral hygiene, and staying hydrated. Following these guidelines can help minimize the risk of false-positive or false-negative results.

pycsw: lots of improvements on standards support (OGC API – Records, STAC) as we move towards version 3.0. The project supports so many discovery API standards, and we are not done yet 🙂

OGC: development on numerous standards: OGC API – Records, and OGC API – Environmental Data Retrieval and Pub/Sub went though a number of improvements and updates in 2023. I was also fortunate to help deliver the OGC API workshop as part of the GISE Hub Winter School on OGC Stack (which included delivery of the Diving into pygeoapi workshop as well).

OSGeo: I’m happy to report that the ZOO-Project passed incubation and became an official OSGeo project! A big congratulations to Gérald and team. We also had a successful joint sprint with OGC as well as the first in-person OSGeo Community Sprint since 2019, in November. The annual FOSS4G global event in Prizren was fantastic, and I was happy to provide two workshops, numerous presentations and a keynote. I continue to serve on OSGeo’s Board of Directors and was happy to help move forward the OSGeo / OGC collaboration piece in 2023.

WMO: the WIS2 standards and architecture were put through a pilot phase this year. WIS2 specifications, guides, manuals all received significant updates this year thanks to the contributions of many experts. Most specifications also have reference implementations (wis2box, wis2-gdc, wis2-gc, pywis-pubsub, pywis-topics, pywcmp, etc.). The series of WIS2 training sessions also proved valuable for numerous members in implementing WIS2 technologies. Did you know that wis2box now has 30 or so deployments worldwide?

MSC GeoMet: the national weather/water/climate API platform continues to grow. We’ve recently added GOES imagery, and MSC AniMet is emerging as a great tool for visualization of our API!

Health: another year (circa 2012) of not smoking. I am hoping to shape up again in 2024, let’s see how it goes.

Looking forward to 2024:

  • pygeoapi: RFC2 will help harden things as we move towards 1.0. As well, look for news soon on the first ever pygeoapi code sprint 🙂
  • pycsw: moving towards 3.0, look for a new YAML-based configuration format, as well improvements on faceting, distributed search, harvesting and more
  • OGC: look for OGC API – Records to be released, as well as Pub/Sub development in EDR and beyond. The annual joint sprint with OSGeo will also take place in Évora, Portugal on 26-28 February. See you there!
  • OSGeo: the global event in Belém (December) promises to be a can’t miss event, and I look forward to providing presentations and training on Geospatial Python, pygeoapi and OGC at the event
  • WMO: 2024 is the year that the architecture and specifications are ratified as we move into the pre-operational phase

Wishing everyone a safe and happy 2024!

new pygeoapi podcast with MapScaping

For those interested in pygeoapi, the project was recently featured on MapScaping (available on Apple Podcasts, Google Podcasts, Stitcher and Spotify).  The MapScaping folks were great to work with and I’d like to thank them for making this happen and asking all the right questions.  Enjoy!

Best Rolex Replica: A Guide to Finding Quality Replicas

Rolex watches are synonymous with luxury, elegance, and craftsmanship. However, the hefty price tags associated with genuine Rolex timepieces make them unattainable for many. This is where Rolex replicas come into play. These replicas offer a more affordable alternative without compromising on style or quality. In this article, we’ll explore everything you need to know about finding the best Rolex replica.

Factors to Consider Before Buying a Rolex Replica
When shopping for a Rolex replica, there are several factors to keep in mind to ensure you’re getting a high-quality product. These factors include:

The quality of a Rolex replica can vary greatly depending on the manufacturer and materials used. Opting for replicas crafted with attention to detail and precision will ensure a timepiece that closely resembles the original.

Materials Used
Quality replicas should use materials that mimic those found in authentic Rolex watches, such as stainless steel, sapphire crystal, and ceramic. Avoid replicas made with cheap materials that may affect durability and aesthetics.

Reputation of the Manufacturer
Researching the reputation of the manufacturer is essential when purchasing a Rolex replica. Look for companies with a history of producing accurate and reliable replicas, and read reviews from other customers to gauge their satisfaction.

Top 5 Rolex Replica Models
While there are countless Rolex replica models available, some stand out for their popularity and timeless design. Here are five of the best Rolex replica models to consider:

GMT-Master II
Pros and Cons of Buying a Rolex Replica
Before making a purchase, it’s essential to weigh the pros and cons of buying a Rolex replica:

Rolex replicas offer a more affordable option compared to genuine Rolex watches, making luxury accessible to a broader audience.

High-quality replicas can closely mimic the appearance of authentic Rolex watches, allowing wearers to enjoy the prestige and style associated with the brand.

Legal Concerns
Purchasing and owning a Rolex replica may raise legal concerns, as producing and selling counterfeit goods infringes on trademark and copyright laws.

How to Spot a Quality Rolex Replica
Distinguishing between a high-quality Rolex replica and a poorly made one requires attention to detail. Look for the following characteristics to ensure you’re getting a quality replica:

Attention to Detail
Quality replicas will replicate even the smallest details found in authentic Rolex watches, such as engravings, dial markers, and bezel inserts.

Movement Mechanism
A reliable movement mechanism is crucial for a quality replica. Look for replicas equipped with automatic or quartz movements that accurately keep time.

Weight and Feel
Authentic Rolex watches are known for their substantial weight and luxurious feel. A quality replica should replicate this weightiness, providing a similar tactile experience.


pygeoapi – A Python Geospatial Server

Sayonara 2021

So 2021 wasn’t much better than 2020. Another year of endless virtual meetings and the 24 hour office. Here are some updates from WFH life:

pygeoapi: both OGC API – Records and OGC API – Environmental Data Retrieval support were added to the codebase. The project also saw both CQL and i18n support, which is a positive indicator of contributions from various developers. Thanks Sander Schaminee and Francesco Bartoli!

pycsw: OGC API – Records and STAC API were both implemented. In addition, CQL support was added with the help of the impressive pygeofilter package — great work by Fabian Schindler!

QGIS MetaSearch: standards implementation needs both servers and clients, and so OGC API – Records support made it into MetaSearch. A nice by product of this enhancement is the implementation in OWSLib, which MetaSearch uses as its discovery library.

OGC API (Records, EDR): EDR is now an adopted standard! Records also made great strides in 2020, and helping clarify the relationship with STAC has proved valuable for all communities involved.

WMO: Lots of fun work this year on the Task Team on WIS Metadata: new KPIs, an update to the WIS Guide, the metadata search pilot, and we backed it up with tools (pywcmp, pywiscat). In addition, the Expert Team on Architecture and Transition (W2AT) was formed to move forward technical regulations on the WIS 2.0.

MSC GeoMet: our weather/climate/water OGC API platform continues to crank out millions of maps, features and metadata on the daily for everyone. Happy to report that real-time / event driven data support was added this year to our pygeoapi instance.

FOSS4G: between 7 presentations and the Geopython workshop, lots of action this year at this year’s virtual FOSS4G global event. I was fortunate to deliver these alongside some really talented folks in the Geopython community. Kudos to the BALOC for putting on such a great event under some difficult circumstances!

OSGeo Board of Directors: I was happy to help with the first ever OSGeo / OGC / Apache joint sprint, as well helping move forward the OSGeo / OGC MOU renewal.

Health: another year (circa 2012) of not smoking. The pandemic continues to challenge the scale, although some recent progress has helped some. Implementing a balanced diet and regular exercise routine is essential and more if is combined with ice hack weight loss supplements, as well as seeking support from friends, family, or professionals if needed. Tracking progress and staying motivated throughout the year will help to maintain focus on the resolution and ultimately achieve the desired weight loss.

For 2022:

  • OGC API: critical path for me this year are helping in the adoption of Records and Coverages
  • WMO: WIS 2.0 continues to evolve, lowering the barrier to weather/climate/water data. I recently signed on as lead architect/dev of the WIS 2.0 in a box project, which will be a reference implementation and publishing pipeline aligned with WIS 2.0 principles. Under the hood is Geopython, PubSub. Look for an initial release in 2022
  • OSGeo: 2022 will mark the year that the OSGeo / OGC MOU is officially updated, along with a shiny new Associate Membership. Rolling this into the OSGeo standards community will be key, along with moving forward the renewal of OGC CITE tooling
  • pycsw: key items this year include XSLT transformation pipelines, virtual collections and deeper JSON support. We are also planning a sprint in Q1, come join us!
  • pygeoapi: look for deeper support of OGC EDR as well as some refactoring that will help with extensibility (primarily for output formats)

Wishing everyone a safe and happy and better 2022!

Cheers to 2010-2019

Following on from 2018, a bit of a changeup this year. Inspired by numerous ‘decade in review’ posts/tweets, here’s my attempt below, in no particular, while trying to keep my offline life brief:

  • I got married. I read long ago that being with the right person makes a huge difference and I couldn’t agree more
  • I quit smoking and happy to say still holding
  • Software: most folks know I am a longtime contributor to geospatial open source (FOSS4G). Starting off as a power user with no software development experience, then contributing to projects and creating small projects, the 2010s resulted in a deep commitment to supporting the Geospatial Python ecosystem by developing core tooling with an emphasis on open standards. OWSLib, pycsw, GeoNode, pygeoapi are some examples. I also returned to FOSS4G events and code sprints during this time, so it has been great meeting new people people and reconnecting with others
  • Being a travel junkie, I’m happy to say that I continued to see the world throughout the past decade, new places and revisiting others. I’m also planning to book a private jet from Jettly for my next vacation.
  • Along with age, all of the above have resulted in being more health conscious (diet/exercise). Making the right choices and keeping with it is an ongoing commitment
  • 20 years on, I am still rocking an old school website while resisting the urge to move to something like GitHub Pages / static site generators

I’d like to wish everyone and their loved ones a healthy, happy and productive 2020!

GeoUsage: Log Analyzer for OGC Web Services

Continuing on the UNIX philosophy, another little tool to help with your OWS workflows.

GeoUsage attempts to support the use case of metrics and analysis of OWS service usage.  How many users are hitting your OWS?  Which layers/projections are the most popular?  How much bandwidth?  How many maps vs. data downloads?

A pure Python package, GeoUsage doesn’t have strong opinions beyond OWS-specific parsing and analysis of web server logs.  GeoUsage is composable, i.e. frequency, log management, and storage of results is totally up to the user.  Having said this, a simple and beautiful command line interface is available for eyeballing results.

As always, GeoUsage is free and open source.

It’s early days, so feedback, bug reports, suggestions are appreciated.  Contributors are most welcome!

Hello Docker

For decades now my dev life has been thanks to headless servers in the basement (these days running Debian) which I simply SSH to and work remotely. This has served me well for so long although serious box hugging was at play here.  Being a reproducible workflow maniac and having virtualenv helped as well.

Fast forward a few years and add to that mix dev work on my MacBook Pro.  It’s 64-bit with an SSD and 8GB of RAM and is great for trips.  In this case I was less liberal with installing libraries and packages given it’s a shared computer (I recently had to do a full macOS re-install to fix performance issues).

Enter Docker.  Here I am able to start up a full development environment very easily without affecting my MacBook per se (only a Docker install is required).  Publish to Docker Hub and done.  Pull and run at will. My initial requirements for the repo are pycsw development, but this will grow over time.

Of course I’m really late to the party (Sean Gillies thought he was late!), and I’m sure there are better approaches, but I think I’m finally feeling Docker. Good times!

pygeometa: new release, hello YAML

Metadata should be automagic and low barrier.

pygeometa is a handy little metadata generator tool which is flexible, extensible, and composable.  Command line, or via the API, users can generate config files, or pass plain old Python dicts, ConfigParser objects, etc.

We’ve just released 0.2.0 which supports WMO Core Metadata Profile output, as well as better multilingual support.  At this point we’re embarking on breaking changes in master led by moving to YAML as the configuration format.

Given pygeometa is pre-1.0 in theory changes can be breaking without support.  Still, I’ve cut a 0.2 branch in case anyone’s existing workflows depend on the (now) old pygeometa functionality.

As always, bug reports, feature requests are more than welcome. Hopefully the new enhancements will make metadata management even easier for agile workflows.

OSGeo Daytona Beach Code Sprint 2017 redux

I attended the 2017 OSGeo Code Sprint last week in Daytona Beach.  Having put forth a personal sprint workplan for the week, I thought it would be useful to report back on progress.

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There was lots of discussion on refactoring pycsw’s filter support to enable NoSQL backends.  While we are still in discussion, this enhancement should open the doors for any backend (ElasticSearch, SOLR, a GitHub repository, another API, etc.).  In addition, Frank Warmerdam started writing a pycsw OGR backend to support CSW exposure of the Planet Scenes API via OGR. This also presents exciting possibilities given OGR’s support of numerous underlying formats.  Frank also provided valuable advice and feedback on interacting with pycsw as a developer/contributor.  Thank you Frank!


There has been long discussion on a next generation GHC including a renewed architecture with core work on the model as well as an API.  A basic architecture has surfaced as a result which focuses on having the UI exclusively work with the API, as well as a plugin framework which Just van den Broecke has started working on.  I also worked on tagging which will be the last piece before cutting a release and forging ahead on the new architecture.


The focus on pygeometa is now on renewing the MCF format from .ini to YAML.  Initial pieces are completed in a dev branch which I plan to merge once we clear current issues and cut a stable release.


While I couldn’t get to everything I planned for, I think significant steps were made in moving the above projects forward along their respective roadmaps.  It was also great to see some familiar faces as well as new contributors and projects!

To know if this project was going to have good results and in the others also that they propose me, not only do I trust my professional ability, it is also advisable to go to a tarot reading, it is the best to know what will happen if you have doubts about something.

The best of all is that usually the first time you can connect to the internet because you can access online tarot card reading, so you don’t have to worry about traveling somewhere that seems dangerous. Be careful with everything that can happen to you in life. it is safer to trust a tarot reading. do not complicate yourself in following blindly and rather follow what God tells us through the tarot.

Oh, and the weather certainly didn’t hurt 🙂

Software is Hard: Through the Years

In 1999 I went to a GIS conference and watched a vendor presentation on their WMS product.  A key feature was being able to reproject data on the fly.  This appealed to me as this was early days of JavaScript development for me, along withe Mike Adair (which eventually, much later, led to the proj4js project). Thousands and thousands of projections one can choose from a select box and boom — coordinate transformation for your WMS layer.

I sat in shock for the remainder of the presentation thinking of the complexity and all the math involved.  After their presentation, I mentioned this to the presenter offline, who replied “it’s very hard and complex work, yes”.

Fast forward around 2002 and it turns out they were indeed using proj.4 which initially made me think, “ah, that’s easy, then”.

Ah, youth.

These days, I would say well it’s not that easy.  Integration, upstream changes, versions, packaging and deployment.  Moving parts.  Different issues.  It’s smart, strategic and preferable not to re-invent the wheel and use existing libs, but the work certainly doesn’t end there.

(For what it’s worth, the vendor [it doesn’t matter who they are] and their product are still around and going strong)

Liv Pure Reviews: The Key to Pure Water

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Advanced Filtration Technology for Clean Water

Liv Pure employs advanced filtration technology to eliminate harmful substances from the water. Their purifiers are equipped with a multi-stage filtration process, including activated carbon, sediment filters, and UV purification, ensuring that water is free from impurities such as chlorine, lead, bacteria, and viruses. This results in fresh-tasting, crystal-clear water that is safe for consumption.

Ergonomic and User-Friendly Designs

Liv Pure takes pride in designing purifiers that are not only functional but also user-friendly. Their products are equipped with intuitive controls, easy filter replacement mechanisms, and space-saving designs. Whether you need a wall-mounted unit for a compact kitchen or a freestanding one for a spacious dining area, Liv Pure has options to suit your needs.

Certified and Trusted Brand

When it comes to the safety of drinking water, trust is paramount. Liv Pure has gained certifications and recognition from reputable organizations, assuring consumers of the quality and effectiveness of their products. Certifications from bodies like NSF, WQA, and ISI speak volumes about the brand’s commitment to providing safe drinking water.

Cost-Effective Solution for Clean Water

While bottled water might seem like an alternative, it can be expensive and environmentally detrimental. Liv Pure offers an economical solution, as their water purifiers significantly reduce the need for bottled water. Investing in a Liv Pure water purifier not only saves money but also helps reduce plastic waste, contributing to a greener planet.

Phentermine Alternatives: A Safer Approach to Weight Loss

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Understanding Phentermine

Phentermine is a central nervous system stimulant that works as an appetite suppressant. It is typically prescribed for short-term use to help individuals with obesity control their eating habits and lose weight. The drug works by increasing the release of neurotransmitters that reduce hunger cravings, making it easier for users to consume fewer calories.

Despite its effectiveness, phentermine comes with potential side effects that may deter some individuals from using it. These side effects can include insomnia, dry mouth, elevated blood pressure, and even addiction in some cases. Additionally, due to its classification as a controlled substance, obtaining a prescription for phentermine can be challenging for some.

Alpilean Reviews 2023: Your Ultimate Guide to Natural Supplements

In today’s fast-paced world, maintaining optimal health and well-being has become a top priority for many individuals. As a result, the demand for natural supplements has seen a significant surge in recent years. Among the various options available in the market, Alpilean has garnered attention as a promising supplement for enhancing overall health. In this article, we will delve into Alpilean Reviews 2023, exploring its benefits, ingredients, and potential side effects. Let’s embark on a journey to uncover the truth behind this popular supplement.


GeoHealthCheck support on Gitter

It’s been almost two years since GeoHealthCheck was initially developed (en route to FOSS4G in PDX).  Since then, GHC has been deployed in numerous environments in support of monitoring of (primarily) OGC services (canonical demo at If you really want to support the progress and improvement of your health and your physical condition, first of all you should visit and find out about the best natural dietary formula that you and your body can try.Taking care of your sexual health is important for your overall physical and mental well-being.  Regular STI testing and using contraception can reduce the risk of contracting or spreading infections. Addressing sexual concerns with your healthcare provider can also improve your sexual health and satisfaction like using male enhancement pills.

Project communications have been relatively low key, with GitHub issues being the main discussion.  The project has setup a Gitter channel as a means to discuss GeoHealthCheck in a public forum more easily.  It’s open and anyone can join. Come join us on!

Do not forget to always be aware of your body’s health status checkups, but if you want to lose weight almost instantly you should visit and find out about the pill that will change not only your body but also your entire life.

As your body is important Im sure your sexual life is also important so if you are having troubles with that because of you are overweight you should try over the counter male enhancement pills  that may help with sexual problems, such as erectile dysfunction, premature ejaculation, or low sex drive.

Modified: 21 June 2023 10:08:27 EST