fabiochiu/medium-articles huggingface dataset:
MAP Protocol co-organizes and participates in Sanya Polkadot Night
By: Map Protocol
Tags: Map, Marcopoloprotocol, Crosschain, Blockchain, Map Protocol

On the evening of December 23rd, “Sanya Polkadot Night” was successfully held in Sanya, China. Which is sponsored by Candaq, ChainNews and PolkaBase, co-sponsored by Jubi Labs, naming by MXC and co-organized by MAP Protocol.

Representatives of Litentry, RareLink, Crust, ChainX, DARWINIA, OpenSquare, Bandot, StaFi Protocol, ZenLink, BOOL, Bitfrost, Acala Network, TrustBase, Map Protocol, Saito and dozens of other high-quality Polkadot ecological projects were all participated.The following is the details of this event.

In the opening speech, Lin Zihao, founder and CEO of Candaq, introduced in detail the $20 million Polkadot ecological investment fund jointly established by Candaq Fintech and PolkaBase. Candaq will assist PolkaBase in building the largest Polkadot Ecological Project Incubator and Accelerator, focusing on the rapid incubation of the “Last kilometer” project, as well as the massive aggregation filter of the Polkadot Ecological Project. At the same time, he also introduces many projects that benefit from Candaq.

Dr. Zhiyi from MAP Protocol also delivered a speech: MAP Protocol is a relay-free cross-chain protocol, which is based on cryptographic verification to achieve real-time interoperability with logarithmic space complexity.

“Sanya Polkadot Night” did not end until midnight, and there will be more Polkadot activities in the future, MAP Protocol will continue to follow.
This country is way bigger than many people think it is.
By: Thomas Chilton
Tags: Geography, Somalia, Maps

When many people think of Somalia, they think of lawlessness and pirates, or for those who know what the outline of Africa looks like, as part of the Horn of Africa.

However what a lot of people don’t realize is that Somalia is actually a pretty big country. This is partly due to the fact that countries at the Equator tend to be distorted in size on a lot of map projections but even knowing that fact I was still initially surprised how big the country was. Here is what Somalia looks like compared to the United States.

As you can see it stretches from the Florida Panhandle all the way up to Michigan and Upstate New York!

And Somalia isn’t even the largest country in Africa, which really brings the point home about just how big Africa is.

Somalia’s next door neighbor, Kenya is also bigger than many people think it is, as it’s about the same size as Texas.
MAP Protocol Weekly Report #52 (December 14th — December 20th)
By: Map Protocol
Tags: Map, Marcopoloprotocol, Crosschain, Map Protocol, Blckchain

Learn more. Medium is an open platform where 170 million readers come to find insightful and dynamic thinking. Here, expert and undiscovered voices alike dive into the heart of any topic and bring new ideas to the surface. Learn more

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What we learned in 2020: Maps save lives
By: Spatial Networks
Tags: 2020, Cartography, Maps, Geospatial Data, Covid 19

Between the election and the pandemic, every American is probably well versed in US geography. We’ve spent most of the year pouring over data that has analyzed where the virus is the most deadly, which states submitted their election results, and now, where the coronavirus vaccine is being deployed.

Having insight into location-based data has helped people around the globe have compassion and understanding toward their fellow citizens, even though they may be on different sides of the country — or the world. But during a time when there isn’t a global pandemic or presidential election monopolizing our news cycles, can we all still benefit from location-based data and analysis?

In short, yes. Maps and accurate location data save lives.

Hopefully, you won’t find yourself in this situation anytime soon, but imagine being in an ambulance. You’ll probably take for granted that the driver of said ambulance knows the easiest, quickest way from your home to the nearest hospital. In some cases, having accurate location data can mean the difference between life and death.

Organizations like the American Red Cross and UNICEF wouldn’t exist without accurate geographical information that helps inform where they can make the biggest impact on the neediest communities. Doctors Without Borders relied heavily on geographical data during the ebola and coronavirus outbreaks to ensure that even the most remote communities had access to healthcare, as well as ensuring that the viruses didn’t spread even further.

Location-based data has enabled entire industries like agriculture, engineering, and construction to be transformed, delivering their products and services with more quality and efficiency than could have previously been imagined. And every day, the providers of services that keep our homes and offices humming depend on location-based data to keep the lights on and the water running.

It’s safe to say that most of us take maps for granted. We assume that the people who need to get from point A to point B just know what they’re doing and where they’re going. But the responsibility to get the right tools into the right hands to ensure lives are saved means that tools like Fulcrum are imperative to keeping safety and health standards top of mind. Technology helps reduce human error when used correctly and that means lives, time, and money are saved. Using Fulcrum’s no-code platform, your organization can digitize paper checklists in minutes and deploy them to crews in the field who can complete them with their mobile devices. Managers can watch in real-time as inspections, deliveries, or repairs are completed (including where they’re being completed) via the web-based dashboard.

If you’re interested in learning more about how Fulcrum can empower your organization with location-based insights, request a demo today.

This post originally appeared on the Fulcrum blog.
ABAP With Choropleth Maps
By: Agustinus Mariano Galwargan
Tags: Leaflet, Programming, Abap, Maps, JavaScript

“If you can’t explain it simply, you don’t understand it well enough.” — Albert Einstein
Ski resort 3D map
By: Ivan Rigovsky
Tags: 3d, Map, Mapbox, Resort, Ski

Sheregesh Today, a travel guide for the Sheregesh ski resort in Russia created this beautiful 3D map of the resort: The contour lines and 3D terrain allow skiers to see the steepness and direction of runs while giving a realistic view of the resort’s layout. The team used the new camera API to create virtual tours of each ski slope. Integrating v2 was very easy. I spent about an hour in the morning and just updated the version and added the 3D layer from your examples.

More complex was adding tour with camera API, it can’t decrease attitude during the path or make any turn of the camera towards the ski slope.

More showcases you can find in Mapbox blog: https://www.mapbox.com/blog/3d-maps-showcase
Introduction to Geocoding & Folium & Python Mapping
By: Ali Dag
Tags: Webmap, Maps, Folium, Python, Mapping

I think nearly all the data from every move of creations has a spatial location. And this data can be used for any purposes of work. So today, we are living on information age, and we should use data on our any size of work.

There are lots of ways to create, visualize, publish maps. But unlike professional desktop apps, there are easy ways to turn our data into visual presentations. I think one of the most easy and effective way to create maps is using Python & Folium.

Sometimes we don't have the exact location of an address in our data. But we need at least latitude and longitude to specify a unique location on a map. So sometimes we also need geocoding before mapping.

In this tutorial we are going to;

1- Import data frames to python,

2- Geocode long addresses to get latitude and longitude,

3- Put our addresses to a web map with Folium,

4- Create a density based HeatMap from our points on the map.

5- Save our map as HTML file.

The best way to learn is by doing it. So fallow the process on your own computer as shown here. You’ll need Jupyter Notebook and the files in the given link.
Google update: Google photos now adds up with Map View Satellite layer.
By: Zubair Kazi
Tags: Google Updates, Google, Map View Satellite Layer, Maps, Google Photos

Well, as we all know Google always keeps trying something new for their users. And now there is one more update from Google for us. But this update is going to be from Google running application. Last month, Google briefly mentioned that the Location History-powered Timeline feature in Maps was coming to Google Photos. The Timeline integration is now rolled out in Google Photos for iOS and Android, along with the ability to change the map layer.

As per the recent news, the ‘Google Photos’ app. has added a new feature in it which is been called as the “Maps Timeline” feature by Google. This new feature will help to show the pictures of your planned trips on the routes on where you’ve captured pictures.

Also, this new feature is going to be live on ‘Google Photos’ version 5.23.0 and above. It’s the latest announcement in a series of new features introduced in the app by Google this year. According to Google’s statement, users can also use their photos’ locations to organize, manage search and explore more photos based on where the picture was captured.

Read full article here… https://www.itrions.com/2020/12/google-update-google-photos-now-adds-up.html

Even though “This year Google Photos app became the second app to hit five billion installs on Play Store”. As we all know well that Google Photos App is generally used for saving photos and also for taking backups of your High quality Images and Videos. Because of this and even Google’s efforts on adding a new feature for their users ‘Google Photos’ has reached 5 billion installs on Google Play Store. Even it grabbed the second position after worldwide popular app Whats App.
Java8 | Function
By: Hasan Kadir Demircan
Tags: Stream, Java8, Function, Maps, Functional Programming

What we need to know about Function

Function is in the package java.util.function

Function interface is -> public interface Function<T, R>

It is combined with the map method found in the stream,

The map () function is a method in the Stream class that represents a functional programming concept. In simple words, the map () is used to transform one object into another by applying a function.

For example, by using the map () function, you can convert a list of String into a List of Integer by applying the Integer.valueOf () method to each String on the input list.

The map () function is a method in the Stream class that represents a functional programming concept. In simple words, the map () is used to transform one object into another by applying a function. For example, by using the map () function, you can convert a list of String into a List of Integer by applying the Integer.valueOf () method to each String on the input list. Function methods are below,

R apply(T t);

<V> Function<V, R> compose(Function<? super V, ? extends T> before)

<V> Function<T, V> andThen(Function<? super R, ? extends V> after)

<T> Function<T, T> identity()

R apply(T t); <V> Function<V, R> compose(Function<? super V, ? extends T> before) <V> Function<T, V> andThen(Function<? super R, ? extends V> after) <T> Function<T, T> identity() We will investigate these methods,

Java 8 code example showing usage of Function.apply() method;

FunctionTest01.java

We define Function in 9. and 10. lines,

We call apply() method in 13,14,15. lines and then we see results,

Another example below

FunctionTest02.java

Another example;

FunctionTest03.java

We define Function<Employee, String> , Its means we give Employee and it returns String

Its means we give Employee and it returns String e-> e.getName() . It takes as input an Employee object and returns his\her name, which is a String value, as output.

Another example,

FunctionTest04.java

You can use it while you call the method,

Java 8 code example showing usage of Function.andThen() method;

FunctionTest05.java

We defined 2 functions 3,4. lines.

İf you use compose, you should be careful because compose firstly start within and then makes outside.

We can combine 2 functions like 6. line

Github: Function
Lordy Rodriguez and Kevin B. Chen
By: Kim Beil
Tags: Visual Art, Art, Photography, Maps, Collage

· With a pencil and paper, start your map by drawing a continent, a group of islands, or coastline. Don’t worry about the way it looks. This can be just a loose drawing. Details can be added later.

· Start with the text first. You can print out the texts from your pictures and use them in your walkabout map or you can draw them in.

· One you’ve added all the text you wanted, with a blue or black (any dark color) pen or marker, outline the “land” in your map.

· The interior of your “land” will be filled with the patterns and colors from your pictures. You can either collage or draw the patterns and color schemes.

Lordy Rodriguez, “Fishermen’s Wharf,” Strangerhood series, 2013, ink on paper

Tips:

· Take a lot of pictures when you go on a walkabout. When you are going through your pictures later, choose the ones that you remembered the most. That way you are choosing visual elements that had an impact on you.

· Easy transfer method: Print something like a text you want to use. Cut out the section of the text you want to draw. Cover the entire back of the paper with pencil. Tape the cut out onto your drawing. Trace the text with pencil and then remove the cutout. The graphite from the pencil should leave a transferred image. You can then trace on top of that with a pen or marker.

· If you want to paint your background with watercolor or acrylic, do that after you have penciled the “land” in your map. That way all the other visual elements you add will go on top of that background. It makes for a cleaner looking drawing. Or map.

Student artworks:

Alice

DeAndre

McKenzie
MAP Protocol：Part I. Introduction
By: Map Protocol
Tags: Map, Marcopoloprotocol, Crosschain, Blockchain, Map Protocol

MAP Protocol：Part I. Introduction

MAP Protocol is a relayer-free chain interoperation bridge protocol in Polkadot ecology. It can achieve real-time chain interoperability of logarithmic space complexity based on cryptographic verification. MAP Bridge which designed based on MAP Protocol has received grant funding from the Polkadot Web3 Foundation.

What are the core modules of MAP Protocol?

The core modules of MAP Protocol include Ultra-Light Verification Protocol (ULVP) for cross-chain reading, MAP Feeder for cross-chain writing and MAP Standardized P2P Stack for P2P node discovery and data transfer.

What is the technical architecture of MAP Protocol?

Let’s take a look at the sketch of map protocol below.

What is the roadmap for MAP Protocol?

What is the vision of MAP?

MAP Protocol expects to build an interoperable Polkadot network, linking different blockchains to the Polkadot ecology, integrating the resources and capabilities of each chain, and providing a unified infrastructure for blockchain application developers. Map Protocol will also provide a complete and available blockchain underlying infrastructure for finance, AI, Internet of things, traceability, governance and other applications.
Two Scheming Uncles Talking to the Beat
By: Kristina Khan
Tags: Talking, Magic, Alison, Map

Alison Blast looked at the magic map in her hands and feels healthy.

She walked over to the window and reflected on her creepy surroundings. She had always hated magical Dallas with its jealous, jittery jungle. It was a place that encouraged her tendency to feel healthy.

Then she saw something in the distance, or Rather someone. It was the figure of Hector Lukeman. Hector was a gracious vicar with Vast arms and Ample elbows.

Alison gulped. She glanced at her reflection. She was a sinister, tight-fisted, tea drinker with wide arms and vast elbows. Her friends saw her as a flipping, faithful friend. Once, she had even helped a deafening deaf person cross the road.

But not even a sinister person who had once helped a deafening deaf person cross the road was prepared for what Hector had in-store today.

The wind blew like eating frogs, making Alison active.

As Alison stepped outside and Hector came closer, she could see the scattered glint in his eye.

“Look Alison,” growled Hector, with a scheming glare that reminded Alison of gracious rats. “It’s not that I don’t love you, but I want justice. You owe me 2360 pounds.”

Alison looked back, even more, active and still fingering the magic map. “Hector, exterminate,” she replied.

They looked at each other with calm feelings, like two miniature, melodic maggots cooking at a very mean dinner party, which had flute music playing in the background and two scheming uncles talking to the beat.

Alison regarded Hector’s Vast arms and Ample elbows. “I don’t have the funds …” she lied.

Hector glared. “Do you want me to shove that magic map where the sun don’t shine?”

Alison promptly remembered her sinister and tight-fisted values. “I do have the funds,” she admitted. She reached into her pockets. “Here’s what I owe you.”

Hector looked afraid, his wallet blushing like spicy, spotty sausage.

Then Hector came inside for a nice cup of tea.

THE END
MAP Protocol Weekly Report #51 (December 7th — December 13th)
By: Map Protocol
Tags: Map, Marcopoloprotocol, Crosschain, Blockchain, Map Protocol

Learn more. Medium is an open platform where 170 million readers come to find insightful and dynamic thinking. Here, expert and undiscovered voices alike dive into the heart of any topic and bring new ideas to the surface. Learn more

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Geocode For Address : Convert Address to Coordinates
By: Aruna Adoor
Tags: Geocoding, Address, Location, Maps

Melissa’s geocoding and location intelligence solutions convert a postal address to a latitude & longitude coordinate for powerful mapping and customer insights.

Geocoding

Melissa GeoCoder solutions convert addresses into geocodes (latitude and longitude coordinates), which you can use to place markers on a map, or position the map. We offer precise rooftop geocodes for 95% of all physical addresses in the U.S. as well as 240+ countries around the world. Our unique address parsing and matching algorithms help GeoCoder fix spelling errors and complete addresses that have missing or invalid components to provide more precise results. In addition to rooftop (highly precise) geocoding, we have other levels of accuracy to meet every need and budget.
Aztec Maps a Comparision
Tags: History, Comparison, Aztec, Maps

Figure 4 “Tenochtitlán, 1521”. 2017. Wdl.Org. https://www.wdl.org/en/item/503/#additional_subjects=Aztecs.

Figure 5.

Figure 4 shows a 14th-century map found in the lake of Texcoco It is a mapping of Tenochtitlan (Tenochtitlán, 1521, 2017). Dating around 1550, this map was created about three decades after Cortes's conquest of the capital city of Tenochtitlan in 1521 (Tenochtitlán, 1521, 2017). After the conquest of the Spanish, they began to tear down all the buildings that were originally erected by the Aztec empire but kept the street layout as seen in both mappings (Tenochtitlán, 1521, 2017).

Figure 5 shows the new buildings post-Spanish invasion (Tenochtitlán, 1521, 2017).

Both maps provide geographical information surrounding the area, as well as horticultural information about what types of agricultural practices were done during the time and what crops were grown (Tenochtitlán, 1521, 2017).

Comparing the first map (Figure 4) with the second map (Figure 5) it is important to note that Figure 4 maintains topographical integrity. While Figure 5’s integrity is questionable, because of Cortes’ likelihood to embolden his report, especially considering that this letter would go to Emperor Charles V. That said, when cross-referencing these two maps it can be concluded that the maps presented are both an accurate representation of the Aztec capital city of Tenochtitlan.
Life: A Guided Tour Or A Journey Without A Map?
By: Fareeha Arshad
Tags: Life, Direction, Life Lessons, Self, Maps

Life: A Guided Tour Or A Journey Without A Map?

Photo by Atharva Tulsi on Unsplash

Life is scary. It’s twisted, sad, happy, confusing — a little bit of everything wrapped in this beautiful bundle of gift wrappers.

But look at nature — everything is perfectly timed and perfectly directed — the path traced by the stars in the sky, perfect orbits around the sun where planets move according to their different routes set up perfectly, the perfection of the life cycle of a tree — all of them follow a particular pattern religiously. None of them ever show a random occurrence.

But whenever they do, there is a breath-taking eclipse that lights up the whole sky.

Maybe that's why their beauty never ceases. Even when they do not follow the rules, it's only to show the world what they are missing.

Like the perfection of nature, I like my life to be like a perfect guided tour. I like to know what to expect and when to expect. I imagine my life to be a checkered list — where I write down things that I have to do and when to do. Then I check the ones that I have accomplished.

All my life, I have seen my parents follow a particular routine — where my mother runs the household with her set of rules, and my father makes us happy and satisfied with a limited budget. Everything has followed the same ordered routine without any changes whatsoever.

Maybe it's that habitual lifestyle that was drilled inside me from the start that has made it impossible for me to live with uncertainties.

I hate being uncertain.

Even on the days when I have literally nothing to do, deep down I know, it is so because I had made up such a schedule for myself months ago. I like everything being perfect—even life.

But that’s the about life, isn't it?

No matter how hard you try to control it, many things eventually control you. Irrespective of how you think you almost have it all, in the end, you realize that you have nothing.

Some events and moments are out of your control that leaves devastating effects, and there is nothing you can do about it.

Take death, for example. Or failure. How many times do we see it coming?

None.

This fear leaves me messed up each time. I was not trained to expect the unexpected. I never moulded myself that way, either.

During moments like these, life feels as though it has lost its purpose.

But again, you can’t be God, can you?

It’s only during such vulnerable moments I realize that living a life like a journey without a map alone makes life somewhat shareable.

It’s only during such moments I realize that life cannot be lived as a guided tour nor as a journey without a map.

Life had a little bit of both.

Life comes with destinations.

Not directions.
60 мап про Україну в межах #30DayMapChallenge
Tags: Mapping, Ukrainian, Maps, Ukraine

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Population Counts: Aiming humanitarian mappers at populated areas with Disaster Ninja
By: Kontur Inc.
Tags: Population, Maps, Openstreetmap, Data, Disaster Response

Using Disaster Ninja for activations

Cyclone Idai

Disaster Ninja was first introduced when cyclone Idai was active in March 2019. As a new tool for HOT it wasn’t used during the activation process, but the team reviewed mapping impact using it afterward.

Beirut explosion

Disaster Ninja was used after the Beirut explosion in August 2020. The local mappers had the area well mapped before the explosion and quickly updated the area after. HOT provided support in the form of consultation and hosted new imagery that came available. However, HOT got a request from the Red Cross to map outside of the port area. That’s when HOT Activation Leads got back to Disaster Ninja to look at the area outside of downtown Beirut and made the determination to engage volunteers.

Papua New Guinea earthquake

During the earthquake in Papua New Guinea in October 2020, HOT used Disaster Ninja which followed a no-activation decision.

Russell Deffner describes the case: 'I was able to get a quick look at Disaster Ninja and realize there’s no reason to worry about sizing up this response because it’s an unpopulated area. The population estimates that you can get within the dashboard made it much simpler to say that the earthquake was affecting an area that didn’t have much population. So there may have been some effect, but it was not reasonable to take a large scale response.'

Typhoon Delta

HOT cooperates with the Federal Emergency Management Agency for the US and its crowdsourcing unit.

Typhoon Delta caused $1 billion of losses for buildings in the US.

The day before typhoon Delta landfall the team was called into FEMA’s virtual office to coordinate the efforts. But since the US does not often use OSM in disaster response there was an insufficiently low likelihood of map data being utilized. That led to a no-activation.
Swift Array 之 filter, map, reduce 功能與 closure - Relearning Note
By: Terry Huang
Tags: Swift, Map, Filter, iOS App Development, Closure

Co-Founder of LiRise Co.,Ltd. In charge of innovative affairs development. Tags: Guitar, Golf, Photograph, Cocktail, Dance, Diving, Travel.
MAP Protocol Weekly Report #50 (November 30th — December 6th)
By: Map Protocol
Tags: Map, Marcopoloprotocol, Crosschain, Blockchain, Map Protocol

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Add flyover to any app with Mapbox GL Director
By: Drew Bollinger
Tags: 3d, Mapbox, Maps, Visualization

Today, we are launching Mapbox GL Director, an interface to generate terrain flyovers for apps and websites. With Mapbox GL Director, set up a sequence of shots like in a video editing suite. Mapbox GL Director then generates code to paste into an application to create 3D flyovers. The tool is built on the new Mapbox GL JS SDK, using the Camera API, that just launched this morning, and leverages 3D rendering improvements in Mapbox GL JS v2 and the new Mapbox Sky API.

Build this…

Ethiopian Highlands

… using this.

Flyovers and 3D maps provide context and perspective, especially when terrain is part of the story. By following a GPX trace, bring users along for an Iditarod, a dangerous border crossing, a hike along the PCT, or their afternoon run. In the next few weeks, a GPX trace plugin is coming to Mapbox GL Director. Sign up for updates.

Interlaken, Switzerland

Terrain Plus Data

Overlaying data unlocks powerful new insights: landslide risk, microclimate zones, wildlife habitat range, solar mini-grid proposals, and more. In the coming weeks, there will be new features to overlay, combine, and style data directly within Mapbox GL Director. Sign up for updates.

Nightlights over Accra, Ghana. Source: VIIRS/NOAA

Build better together

The code behind Mapbox GL director is open source under an MIT license. You can contribute to the project or file bugs and feature requests on GitHub.
How To Integrate A Static Google Map API In Your Rails Project
By: Brodrick George
Tags: Google, Rails, Maps, Ruby, Static

In this tutorial, I’ll be teaching you how to strictly integrate a static google map into your rails project. I will also show you how to change the color of the marker and how to add more if need be. This tutorial will assume you have some previous background information on rails. Don’t worry, this is still a very basic beginner level tutorial and not complicated at all.

Examples used in this tutorial will be from my mod 2 project at Flatiron School that uses Ruby 2.6.1 and Rails 6.0 (a basic setup that wasn't generated with scaffold).
香港道路探索﹕路牌標誌X交通設計
By: Yun Fong
Tags: Transport, Life, Map, Books, 中文

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A very special first fantasy map
Tags: Fantasy, Map

Anyone wanting to see a map of a fantasy world not yet found?.

A world where people sing for a living?.

Our first attempt at a fantasy map inspired us to draw the things from our past and we just loved creating it!

Here we present the “Acting Sea” and its islands.

These are so-called because of the songs made on each island by its people and animals.

Eventually, almost everyone started competing in a 10-day singing competition for best song of the year.

Read the Notes to discover their world and history.

Study the map, read the notes and hear the world’s music.



A B C X



loadPosowocoClass(‘WebComic’, () => {

new WebComic(“php_5fcb6d415f5ca”, “https://posowoco.com", “https://posowoco.com/wp-content/$.app-post-description",

{

debug: false,

atts : {“debug”:false,”path”:”$.app-post-description”,”type”:”text-block”,”tool”:false,”title”:”foreword”,”engine”:”all”,”credits”:””,”characters”:”all”,”author”:”Mark Anthony”,”replace”:”true”,”single”:false,”help”:true,”noborder”:false,”nocredit”:true,”notitle”:false,”nobackground”:false,”noheader”:true,”maxchars”:165,”content”:””,”tag”:”posowoco_comic”,”site_url”:”https://posowoco.com","plugin_url":"https://posowoco.com/wp-content/plugins/posowoco-analysis/","plugin_dir":"/var/www/vhosts/posowoco.com/public_html/wp-content/plugins/posowoco-analysis","is_admin":false,"posowoco_version":"1.0.0a-49","roles":,"user":false,"root_id":"php_5fcb6d415f5ca","post":4888,"post_title":"A very special first fantasy map”,”post_m
Replace Object with Map in your JavaScript code
By: Steve Kim
Tags: JavaScript, Javascript Development, ES6, Map

Photo by Timo Wielink on Unsplash

In this post, I would like to share my research on Map, a newly introduced JavaScript collection type in ES6. Recently, I am considering refactoring my JavaScript code in the hope of improving optimization level of my web application. Replacing old objects with Map could be one way of achieving the goal.

It is inevitable to discuss Map without comparing Object because they are very similar like brothers and sisters in that both hold key-pairs in their collection. In most cases, they can be used interchangeably.

However, if you are serious about optimizing your application and maintaining your codes as concise as possible, you better consider replacing some old Objects on your code with Maps. Especially, if your application handles a large set of data, frequently adding and removing data, Map may improve your application in many ways.

1. Map.size vs Object.keys(object).length

Map’s “size” property is powerful in counting the length of itself. It can be used just like the “length” property of Array.
New Collection Alert: Bayside Historical Society
By: Henry Bradley
Tags: New York City, Maps, History, Archives Open Access, NYC

Of all the boroughs upon incorporation in 1898, Queens was among the most differentiated. The cities and villages that made up the young borough ranged from the bustling Long Island City to the farmland on its western border to the historic Flushing village. In joining Urban Archive, Bayside Historical Society’s collections bring a section of northeast Queen’s history to life on the platform.

While some of Queen’s neighborhoods were born out of mid-20th century development, Bayside and the Flushing area have been occupied by the Matinecock tribe since 2000 BC and European settlers since 1637 when the New Amsterdam company encouraged land grants. Over the years, it turned from verdant farmland into a developed part of the city.

The collection captures the scenic features that once dominated the area. The expanse of Little Neck Bay made Bayside attractive to New Yorkers looking for an escape from city life. Taken before the fields were replaced by homes, and before the Parkway girded the coast, the images offer a glimpse of a bygone Queens. Images of sites now lost to us like the Crocheron Hotel (pictured above) where celebrities and corrupt Tamanny Hall politicians mixed at its clambakes. Bayside Historical’s collection ensures the long history of the neighborhood's relationship with the Bay is preserved.

However, the collection is not limited to turn of the century nostalgia. It progresses along with Bayside, showing how the neighborhood transformed and changed with the years. With it, one can witness the farmland filling in, businesses being built, a yacht club continually adapting to an evolving area. In 1906, Alley Pond contains a lone gristmill in a quiet forest, 60 years later, we see it again, this time filled with throngs greeting John Lindsay, New York’s Mayor. Collections like Bayside Historical’s are vital, not just for preserving a neighborhood's past, but charting its progress.

You can read more about the Bayside Historical Society and their work on their website: here. You can also check out the Bayside Historical Society’s stories on Urban Archive here.
How to add maps into your video
Tags: Maps, Maptiler, GIS, Video Creation Tool, After Effects

Maps are crucial tools to give your stories geographic context. For visual content creators, the GEOlayers plugin in Adobe After Effects is a powerful tool for adding maps into videos.

MapTiler has partnered with GEOlayers to offer its pre-made and fully customizable maps into Adobe After Effects.

GEOlayers plugin for Adobe After Effects

Maps in a video can serve more purposes than just pinpointing a place being discussed. Maps might highlight different objects, trace them on the move, visualize data about selected areas, and compare areas. These geographic visuals can also serve as purely artistic features.

It is possible to use static maps in videos, however, this detracts from the overall flow and feeling conveyed by moving picture videos. To give your audience the most engrossing viewing experience, maps should be dynamic, with the ability to zoom in and out, pan, rotate, follow selected objects or fly through photorealistic 3D terrain. All of these effects are producible with MapTiler maps in the GEOlayers plugin.

After downloading and installing the GEOlayers plugin and activating the MapTiler Cloud subscription, you can add a selection of pre-set maps or a customized map, and produce an animation for your video.

Maps perfectly fitting your video

Thanks to the vector tile technology used by MapTiler, the maps can be completely customized to fit your use-case.

You can change colors of your map, adjust the width of lines, pick a favorite font or completely remove selected map elements, all directly from the GEOlayers plugin!

The only limit is your creativity. For representing historical themes, you can get a map imitating ancient charts and maps. For corporate videos, you can adjust the map to automatically use the coloring scheme of your logo. You can add your own data to the map and have it be integrated subtly or let it stand out with a contrasting map design.

Start with the GEOlayers plugin

Download the GEOlayers plugin from aescripts.com and follow the installation instructions. To learn the basics about the plugin, watch the tutorial below.

MapTiler offers flexible licensing plans for maps used in video productions of any size, with pricing that is affordable also for smaller products.
[065] LeetCode 128 演算法【Longest Consecutive Sequence】最長連續序列
Tags: Leetcode Hard, Arrays, Maps, Java, Algorithms

128. Longest Consecutive Sequence (Hard)

Given an unsorted array of integers, find the length of the longest consecutive elements sequence.

Your algorithm should run in O(n) complexity.

Example:

Input: [100, 4, 200, 1, 3, 2]

Output: 4

Explanation: The longest consecutive elements sequence is [1, 2, 3, 4] . Therefore its length is 4.

題目要我們找到最長的連續數字，這題我們可以使用map來去除重複，放進去以後，我們在查找這部分就可以都是O(n)級別了，接下來就剩下寫邏輯的部份，邏輯很簡單，首先我們去歷遍一次Array，以100來說，如果100–1沒有在map裡面找到的話，我們就開始找100+1，一直找並且記錄他，當歷遍完畢以後，答案的解果也會出現的。

大家加油。

上一篇：[064] LeetCode 334演算法【Increasing Triplet Subsequence】遞增三元子序列

下一篇：To be continued..
MAP Protocol Weekly Report #49 (November 23rd — November 29th)
By: Map Protocol
Tags: Map, Blockchian, Marcopoloprotocol, Crosschain, Map Protocol

Learn more. Medium is an open platform where 170 million readers come to find insightful and dynamic thinking. Here, expert and undiscovered voices alike dive into the heart of any topic and bring new ideas to the surface. Learn more

Make Medium yours. Follow the writers, publications, and topics that matter to you, and you’ll see them on your homepage and in your inbox. Explore
My #30DayMapChallenge, 2020
Tags: 30 Day Challenge, Mapping, Ukraine, Maps, Qgis

You can see many interesting and incredible works under the hashtag #30DayMapChallenge on Twitter.

The official repository for #30DayMapChallenge, It is a daily mapping/cartography/data visualization challenge aimed at the spatial community.

I am incredibly grateful to the wonderful Topi Tjukanov for organizing this wonderful and much-needed cartographic holiday. Of course, it is difficult to come up with and make a map every day, but it is definitely worth it!

Here are my 30 maps about Ukraine on My Behance Portfolio. All maps were made using free software (QGIS, Python, SAGA, Inkscape, Blender) and open data.
Isn’t the World Already Mapped? Mapping 1 Billion People in the World’s Unmapped Places through Machine Learning and Citizen Generated Data
Tags: Cartography, World Data Forum, Maps, Mapping

Isn’t the World Already Mapped? Mapping 1 Billion People in the World’s Unmapped Places through Machine Learning and Citizen Generated Data

This post is part of a series highlighting sessions from the 2020 UN Data Forum. Watch every session or read our summary.

Summary: This session provides an overview of how the Humanitarian OpenStreetMap team is working to map 1 billion people in the world’s unmapped places through machine learning and citizen generated data with the help of corporations and individuals on the ground.

Speakers

Key Takeaways

The Humanitarian OpenStreetMap team is working to provide mapping services for the 1 billion individuals living in areas that currently lack access to this geographic data.

How do we use open mapping to make the 1 billion unmapped people visible?

Grow the community to 1 million mappers

Invest in technology

Raise awareness

Facebook has over 1.7 petabytes of satellite images. This data can be divided into 30m x 30m blocks and then through machine learning, identify which blocks have structures in them. This can serve as a proxy for calculating population density for previously unmapped areas.

Check out Map With AI— a mapping tool using machine learning to contribute to global geospatial data.

Currently, over 5,000 students from 255 universities are contributing to global mapping in OpenStreetMap.
New data added: Spain
Tags: Osm, Map Data, 3d, Maps, Building

As we start opening our advent calendars, work continues at a pace here in 3dbuildings Berlin HQ. Latest job has been to integrate the official building data set of Spain into our database.

With all of our data sources combined, we now have more than 12 million buildings available for Spain and her islands.

After geometry validation routines and manual checks of popular places, we now estimate 99% building coverage for the country. Vámonos muchachas.

Next step: height integrations. Watch this space. And have a safe and happy holiday season.
An Ode to the Geological Map
By: Hunor Deak
Tags: Poem, Maps, Poems On Medium, Mapping, Geology

Geological map Britain William Smith 1815

I have done a lot of mapping and field trips with many people. I met people from Canada, the US, Paraguay, South Africa, Poland, Australia, France, India. I worked under many academics from a wide field and from many universities. In the spirit of the Moine field trip, I wrote mine own poem about the geological map:

A rainbow of colour runs across a map,

A weird concoction of symbols, plans and land,

With mighty faults criss-crossing with teeth,

A geological map is a mystery indeed.

Information gathered in the wind and rain,

Or under the blue sky, on wide sunny plains,

Dip direction and dip angle put together by compass,

With under the watchful eyes of characters of science!

The map of colour cracks open the Earth,

With Folds, Fossils, Lavas, Volcanoes on the wide turf,

All is a head-scratcher like Peach and Horne,

Yet it all boils down to the ideas of James Hutton.

All students, all teachers, all men hold it in awe,

The opener of deep secrets of the mysteries of terrains,

As precious to men of geology, as a casket of ale,

To us, a geological map is like uisge-beatha or fine champagne!
Product or service development simplified
By: Elie Abou Assaf
Tags: Services, Logic, Product, Maps, Development

Though it doesn’t cover all essential aspects that must be took into consideration before developing a new product or a new service, it is a good start
#Howto use templates with 23degrees.io
Tags: Data Journalism, Dataviz, Design, Maps, Data Visualization

Templates are the best way to apply your corporate design (CD) and achieve consistency regarding the “look and feel” of your charts. With our template function your charts will seemlsessly fit in your website, presentation, article or social media post. All this can be done with just a few klicks. Here’s how to create, apply and update templates with 23degrees.io

1. How to create a template with 23degrees.io

This is about as simple as it gets: once you are happy with the design of your map or chart simply go to the template icon at the bottom of the index. Then klick + CREATE NEW.
Huawei Map Kit Integration
By: Halil Özel
Tags: Huawei, Maps, Mapkit, Huawei Mobile Service, Android App Development

What is Huawei Map Kit?

Huawei Map Kit

Map Kit is an SDK for map development. It covers map data of more than 200 countries and regions, and supports hundreds of languages. With this SDK, you can easily integrate map-based functions into your apps.

HUAWEI Map Kit uses the WGS 84 GPS coordinate system, which meets most map development requirements outside China, including: Map display: Displays buildings, roads, water systems, and Points of Interest (POIs). Map interaction: Controls the interaction gestures and buttons on the map. Map drawing: Adds location markers, map layers, overlays, and various shapes.

For more :
PUBG Relaunches,Apple iPhone SE Mobile, First Apple Chip for Mac, Realme 7 5G, Google map new feature, OTT Controversy, Mediatek 5G Processor
By: Mahendhar Jakkula
Tags: Maps, Pubg Mobile, Netfli, Apple, Pubg

Finally!! mana mundhuku malli PUBG Rabothundi ee roju PUBG mobile Official ga mana india lo PUBG MOBILE Game ni Relaunch chesindi. deenni ippudu PUBG MOBILE ga Kakunda ”PUBG MOBILE INDIA” ga name change Cheyadam jarigindi. present ayte inka Playstore ithara app stores loki raledhu. Tvaralo idi malli Play store loki app stores loki rabothundi. official ga ee roje announce chesaru kabatti may be oka 1 week lo PUBG ni manam play store lo download cheskovachu. deenikosam kevalam mana india lone special ga servers ni maintain chestunnaru. MICROSOFT Sahakaramto AZURE tho kalipi deenni teeskurabothunnaru. and deeni kosam mana india lo data and security kosam 100 Millions Dollors ni karchupettabothunnaru. PUBG lo jobs kuda provide chese avakasam unnattu kuda manaku samacharam vachindi. anyway mana munduku malli PUBG Playstore loki rabothundi.

READ ARTICLE CLICK HERE : https://digitalhuntguru.com/telugu-tech-muchata-digitalhuntguru-com/
Greenpoint-Williamsburg Rezoning
By: Alana Pogostin
Tags: Zoning, Williamsburg, Maps, Land Use Planning, Landuse

Greenpoint-Williamsburg Rezoning

By, Alana Pogostin

Image 1: shows the Williamsburg waterfront in 2018. The image shows Domino Park and the new residential developments that popped up along the waterfront after the 2005 rezoning.

It has been just over 15-years since the Williamsburg-Greenpoint area underwent a massive rezoning overhaul, rezoning a 175-block area around the waterfront of northern Brooklyn. The Greenpoint-Williamsburg waterfront used to be an industrial hub for garment and textile manufacturing, but when the factories started to leave, it became an “it” destination for young, educated, and hip residents. Old warehouses were repurposed into lofts to adapt to the pressing shortage of residential units; these changes highlighted a need to adapt the zoning to accomodate the demand for residential space in the area. When drafting a new zoning plan, the City Council’s key goals were to make the waterfront more accessible to recreational opportunities, make the area more residential, and preserve the community’s low-density, mixed-income, and mixed-use character. The community board and the City Council went about these objectives by weaving in inclusionary housing into the rezoning plan. The inclusionary housing specifications encourage the development of affordable housing by using floor area ratio (FAR), a metric that determines the amount of buildable space allowed on a lot, as an incentive. The incentive works by allowing developers to exceed the lot’s FAR if at least 20% of the units are affordable to the avergage median income resident.

In this blog post, I use open land-use data provided by NYC Planning to scan for the major land-use changes that have occurred in the Greenpoint-Williamsburg area since the 2005 rezoning. The two questions I focus on are:

How has the height of buildings changed? What buildings jumped on the incentive to create affordable housing units, and have a higher than zoned FAR?

Image 2: shows the One South First residential development on the Williamsburg waterfront.

Since the 2005 rezoning, huge new developments have surfaced around the waterfront and significantly altered the previously low-lying skyline. Currently, the tallest building along the waterfront is One South First, a 41-story building right off of Domino Park. Prior to the rezoning the tallest building was only 16-stories tall (Map 1). Besides the few eye-catching developments, there has been overall an increase in the vertical development in the area. The average number of floors in the rezoned area increased from 2.5, in 2005, to 3.1 in 2020 (Map 1).