NewYorkCity Neighborhoods map with QGis, LeafletJS e PostGIS

New York CitySono 5 le “città” che formano New York City e ognuna di esse ha avuto un passato urbanistico diverso che ha portato all’evoluzione di questi Neighborhoods in modo radicale con i propri abitanti. Manhattan con a sua volta divisa in Upper, Middle, Down, rimane il punto di riferimento per tutti, ma solo insieme agli altri 4 Neighborhoods, New York City fa la differenza rispetto a tutti gli USA.


Technical notes: this map was created with QGis and the data stored in a Postgres / PostGIS database. Web publishing, on the other hand, uses the LeaflteJS library


Amsterdam Neighborhoods map with QGis, LeafletJS e PostGIS

Amsterdam - RijksmuseumEach area of Amsterdam has its own character and charm, and its own unique variety of shops, restaurants, cafes, museums and attractions. Take time to discover the city’s hidden treasures in Amsterdam’s neighbourhoods.


Technical notes: this map was created with QGis and the data stored in a Postgres / PostGIS database. Web publishing, on the other hand, uses the LeaflteJS library


Mappa Instagram GIStonic


Test Mappa random gistonic


Inside Richard – Milano


Merry Christmas GIS 2017

Merry Christmas Gistonickers, Gistipster & a tutti quelli che ampliano il loro #target con le #mappe ( le mappe di qualità sono il tuo #kpi ) #xmas2017🎄
(free download without brand)


Gdmtech – Agenzie

Maps slack-gis-tips

The Top Trends in Data Visualization for 2018

Data science is a rapidly growing career path and leaders across all industries, fields, and governments are putting their best minds to the task of harnessing the power of location data.

Data science is a rapidly growing career path and leaders across all industries, fields, and governments are putting their best minds to the task of harnessing the power of location data.

As organizations seek to derive greater insights and to present their findings with greater clarity, the premium placed on high quality data visualization will only continue to increase.

Here are some of the trends related to data visualization that we are keeping an eye on in 2018.

1. Data visualization is not just for data scientists anymore.

IBM projects a 39% increase in demand for data scientists and data engineers over the next three years. But employers are coming to expect a familiarity and comfort with data across their organizations, not just from their scientists and engineers.

Because of this trend, we can expect the continued growth of tools and resources geared towards making the data visualization field and its benefits more accessible to everyone.

Ferdio Data Viz

For example, someone new to the field may turn to Ferdio’s, a compendium of over 100 visualization models. The infographic agency put this resource together to “inform and inspire” those looking to build their own data visualizations. Other services like Google’s Data Studio allow users to easily create visualizations and dashboards without coding skills.

2. The increase of both open and private data helps enrich data visualizations.

In order to gain greater insight into the actions and patterns of their customers and constituents, organizations need to turn to sources outside of their own proprietary data.

Luckily for data scientists, more and more data becomes available every day, and we can expect the trend of increased availability to continue into 2018., the United States Federal Government’s open data site, boasts data sets from 43 US states, 47 cities and counties and 53 other nations. In June, Forbes identified 85 US cities that have their own data portals.

We recently published a list of 40 open data projects, from transportation and accountability to performance management and IoT.

The example above visualizes open data about Cholera outbreaks from WHOusing custom iconography and color palette.

In addition to open data sources, new marketplaces, data exchanges such as the new Salesforce Data Studio (announced in September 2017) as well as resources such as CARTO’s Data Observatory, will provide data scientists and visualizers even more opportunities to enhance their data and draw new and actionable insights.

3. Artificial Intelligence and Machine Learning allows data professionals to work smarter not harder.

Artificial Intelligence and Machine Learning are the buzz words du jour in the tech world and that includes their use in the field of data science and visualization.

Salesforce has certainly highlighted their use, advertising their Einstein AI, which will aid users in discovering patterns in their data.

Einstein AI

Microsoft has recently announced similar enhancements to Excel, expected in 2018. Their “Insights” upgrade includes the creation of new data types in the program. For example, the Company Name data type will automatically pull in such information as location and population data using their Bing API. They are also introducing Machine Learning models that will assist with data manipulation. These updates will empower Excel users, already familiar with the programs data visualization tools, with data sets that are automatically enhanced.

4. The “interactive map” is becoming a standard medium for data visualizations.

Data visualization, as a term, can refer to any visual representation of data. However, with the growing amount and prevalence of location data, more and more data visualizations require an interactive map to fully tell a story with data.

We recently shared 80 examples of data visualizations using location data and maps.

Data Visualizations

5. There is a new focus on “data stories.”

Creating a single data visualization can have great impact. But, more companies are beginning to create custom website experiences that tell a more complete story using many types of data and visualization methods.

Enigma Labs released the world’s first Sanctions Tracker earlier this year, a data story that contextualizes and communicates over twenty years of U.S. sanctions data as meaningful information. Look in 2018 for more custom experiences that use maps and other mediums of data visualization to communicate complex issues.

Sanctions Tracker Map

6. New color schemes and palettes for visually impaired.

The color of 2017, according to Pantone, is “Greenery,” a lighter shade of green conveying a sense of rejuvenation, restoration, and renewal. The long-term color forecast, however, is a return to primary colors like red, green, and blue, colors often appearing in country flags, because “[i]n complex times we look to restricted, uncompromising pallets.”

Regardless of trends, it’s important to understand the fundamentals of choosing color palettes for your data visualization. Once you understand the fundamentals, you can start exploring other palette options and incorporating design trends. Check out Invision’s post on Finding The Right Color Palletes for Data Visualizations.

CARTO also offers an open-source set of colors specifically designed for data visualizations using maps, called CARTO Colors.

CARTO Colors

It’s important to consider that about 4.5% of the world’s population is color-blind. Data visualization designers especially need to considering building visualizations with color-blind color palettes, like those provided by ColorBrewer.

7. Data visualizations around current events are dominating the social conversation.

Data visualizations for social sharing will also take a “less is more” approach for the remainder of the year.

Interactive data visualizations, and maps specifically, offer a new format that is great for social sharing. Marketers can quickly build maps using available location data from social platforms or open data portals.

Below, one marketer created a data visualization using Twitter traffic from the Game of Thrones season seven premiere and generated thousands of views:

In focusing in on the three main contenders for the Iron Throne, this data visualization quickly and efficiently tells the viewer that Cersei Lannister drove the most twitter activity in the twenty four hours following the premiere. A marketer could do a similar analysis using branded keyword data.

8. Journalists are striking back with data visualizations.

The Oxford English Dictionary selected “post-truth” as the word of 2016. Indeed, following the U.S. presidential election, data analysts, and journalists have been on the defensive from opponents labeling their reporting “fake news.”

But 2017 is the year data analysts and journalists strike back with the help of data visualizations.

The editors of the Columbia Journalism Review (CJR) released an editorial, titled “America’s Growing News Deserts,” in spring 2017. The article featured the interactive data visualization below that maps the dearth of local newspapers across the country.

This data visualization, exhibiting the first trend discussed above, is not merely a pretty representation of data. The editors are soliciting readers to contribute to this living resource on “news deserts.”

“We think that a complete, accurate map of America’s news deserts is important,” the editors explain, “as we ponder the future of local news, and we want to build on what we’ve started here.”

Expect to see many, many more data visualizations from media sources throughout 2017 and beyond.

Maps Servizi slack-gis-tips

Maphub: Create interactive maps

Maphub allows you to create interactive maps

You can easily make your own map by adding points, lines, polygons or labels.

Select from 20 different basemaps for background.

Control who can view and edit your map (coming soon).

Import and export data in KML, GPX or GeoJSON formats.


Share and collaborate

Each map has a unique URL which allows you to share them on social networks or by email.

Embed interactive maps on your website or blogs, just like videos.

Collaborate on maps within your team (coming soon).


An open platform

Basemap built on OpenStreetMap data.

Search powered by open datasets, includingOpenAddressesQuattroshapes and Geonames.

Alternative basemaps from ThunderforestMapbox,CartoDBMapQuest or Esri.

Developer API: discuss ideas in the forum.

Maps slack-gis-tips

GB Geojson

What is the difference between Lon, Lat and OS National Grid?

The “Lon, Lat” and “OS National Grid” switch in gb-geojson toggles the editable GeoJSON display between two different coordinate reference systems; ESPG:4326 and ESPG:27700. This changes the appearance of the cartesian coordinate data to and from the recognisable Longitude, Latitude coordinates and Ordnance Survey Eastings, Northings used by maps in Great Britain. The default reference system used by GeoJSON to describe its geospatial data is ESPG:4326 however the purpose of gb-geojson is to facilitate editing of GeoJSON in ESPG:27700 so by toggling this switch we reproject between these reference systems.

The GeoJSON geospatial data is always projected on the map using the Spherical Mercator ESPG:3857. The map tile layer is projected using ESPG:27700 from the OS OpenSpace service.

Note that the GeoJSON spec states that coordinates should be in the form X, Y for whichever projected reference system used.

The GeoJSON spec lists the CRS property but this is ignored by gb-geojson at present due to format ambiguity and to maintain tool simplicity.

The reprojection is done by the gbify-geojson library using Proj4js.