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Qingdao develops advanced 3D “city map” to enhance smart urban management
By Wang Zhe, People’s Daily
With a simple scroll of the mouse, the city of Qingdao, east China’s Shandong province, comes vividly into view – high-resolutionbuildings rise sharply, their intricate details clearly rendered.
At his workstation, Hu Zhenbiao, chief systems architect at the Qingdao Institute of Survey and Mapping, introduced a city-scale 3D simulation platform: a full-scale digital twin of the city.
Real-scene 3D modeling has become a vital strategic resource and production element in the development of digital cities and the broader digital economy. By offering accurate, spatial-temporal depictions of urban spaces, these technologies provide vital insight into the dynamics of modern city life, infrastructure, and ecosystems.
The platform, officially launched in March 2021 under the leadership of the Qingdao Institute of Survey and Mapping, represents a landmark in urban digitization.
“Behind this platform lies more than six months of aerial photography, the processing of millions of images, and the 3D modeling of hundreds of thousands of buildings,” Hu explained.
Qingdao’s varied topography – marked by hilly terrain and dramatic elevation changes – necessitated the use of oblique aerial imaging to capture raw imagery and build an accurate 3D model.
For this phase, the project team deployed manned fixed-wing aircraft equipped with 150-megapixel, five-lens oblique aerial cameras. The aerial survey covered the entire urban area, achieving a ground resolution of 15 centimeters and maintaining more than 70 percent image overlap to maximize accuracy.
Hu noted that certain structural details – such as eaves and building undersides – were sometimes difficult to capture due to limited aerial angles, requiring on-site supplemental photography. “We used a combination of hybrid restoration and modeling techniques to accurately reconstruct the structures,” he said, pointing to the Qingdao International Conference Center on his screen. “Those eaves, for example, were recreated using 3D modeling.”
In March 2022, following expert review, the project was officially launched for citywide application. Today, the platform covers Qingdao’s entire land area – 11,000 square kilometers – as well as 800 kilometers of coastline, 49 bays, and seven inhabited islands.
“Fire reported on the eastern slope. Please respond immediately,” came the voice over the radio at the emergency command center in Qingdao’s West Coast New Area.
Qi Degang, deputy headof the area’s emergency management bureau, responded quickly. “The nearest water source is Reservoir No. 37 in Lingshanwei, about 700 meters away.”
This exchange occurred during a forest fire response drill on Xiaozhu Mountain. Displayed prominently on a large screen in the command center was a real-time, 3Dforest fire map – showing the fire’s location, affected area, and smoke direction.
“Our drones send back live footage, which is directlyfed into the 3D platform,” explained Mu Kun, head of forest fire response at the emergency management bureau.
A new call came in: “There’s a fork ahead – what’s the fastest route?”
Mu quickly zoomed in, selected a mountain trail and charted a path for the responders. “This trail is only one meter wide. Rescuers will have to go on foot. Elevation gain: 200 meters.”
“The 3D model allows us to act with greater speed and precision,” Qi added. “It helps us identify access routes, calculate burn areas, and direct field personnel efficiently.”
To date, Qingdao’scity-scale 3D simulation platform has been shared with over 60 municipal departments. It supports more than 100 key functions, including disaster prevention and mitigation, urban planning, social governance, and urban renewal. The platform also underpins over 70 digital government service applications and records nearly 100 million uses annually.
“Compared to traditional 2D maps, 3D modeling offers greater realism, dimensionality, and accuracy,” said Xue Hongli, deputy head of the Qingdao Bureau of Natural Resources and Planning. “It creates a holographic digital twin of the physical world, providing strong spatial support for fine-grained urban management.”
Xue emphasized that cities are constantly changing and 3D mapping must evolve in tandem to capture these transformations with fidelity.
At the bureau’s headquarters, staff members examined two versions of a digital model for a former mining site in Qingdao’s West Coast New Area. The comparison revealed tangible signs of ecological restoration – more vegetation and a gentler slope.
Qingdao is home to 898 legacy mine sites. In the past, inspectingthese sites required a full month of on-the-ground efforts. Now, with the help of the 3D model, the same work takes just five days. Since 2023, the city has carried out annual temporal updates to the city-scale 3D simulation platform, enabling it to track urban changes with precision and support data-driven analysis and evidence-ba
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Former Kano State governor and 2023 presidential candidate of the New Nigeria Peoples Party, Rabiu Kwankwaso, has revealed that one of his daughters encouraged him to collaborate with former Labour Party presidential candidate, Peter Obi, during the 2023 general election.
By: Fabian Apechihin
Kwankwaso made the disclosure on Monday while speaking on Prime Time, a programme on Arise Television.
According to him, many political leaders in Nigeria have failed to understand the mindset, concerns, and aspirations of young Nigerians, especially in the era of social media.
He explained that younger Nigerians are more interested in competent and effective leadership than the ethnic and religious sentiments that often dominate political discussions among older politicians.
“So many things have changed in this country. You have leaders, many of whom don’t even realize what is happening on social media. We have leaders who hardly have any contact with young men and women,” Kwankwaso said.
“People of our age, my age, or especially the age of Atiku, are very few in this country compared to the younger people. The younger people have their own way of thinking, even our children.”
The former Kano governor stated that even within his family, younger members expressed opinions that reflected a desire for political cooperation and better leadership.
“You will be surprised, even during the 2023 election, in my own house, my own daughter was telling me to go and work with Peter Obi,” he said.
“She didn’t say she was obedient, but she wanted me to work together with him, and vice versa.”
Kwankwaso added that while many older politicians remain focused on religion and ethnicity, young Nigerians are more concerned about credible leadership and national progress.
“So you see, there is a lot happening in this country, but people at that level we are talking about don’t even understand,” he stated.
“People are talking about religion. People are talking about ethnicity. People are talking, especially those at our level and age, but the younger people are looking for the right leadership for this country. And I think they are absolutely right.”
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Uba Sani has dismissed reports of a major crisis within the Progressive Governors’ Forum, describing the recent disagreement among members as a minor misunderstanding.
By: Fabian Apechihin
Sani made the remarks on Monday during an appearance on Politics Today, a programme on Channels Television.
Reports had emerged last week claiming that Hope Uzodimma was removed as chairman of the Progressive Governors’ Forum and replaced by Peter Mbah following a tense meeting in Abuja.
The reports also alleged that the forum had split into rival factions. While Uzodimma insisted he remained chairman, another bloc was reportedly aligned with Dapo Abiodun and Abdulrahman Abdulrazaq.
However, governors loyal to Uzodimma later passed a vote of confidence in him during a meeting held at the Imo State Lodge in Abuja. President Bola Tinubu was also said to have intervened in the dispute.
Reacting to the controversy, Sani, who serves as vice chairman of the forum, maintained that no leadership change had taken place.
“At the moment, there’s no problem. All the governors are together. His Excellency Hope Uzodimma is the chairman of the Progressive Governors Forum,” he said.
“My humble self, Senator Uba Sani, is the vice chairman of the Progressive Governors Forum.”
The Kaduna governor stated that disagreements are normal in a democratic setting and should not be blown out of proportion.
“In my own opinion, I don’t think it’s a serious issue, like many people try to make it look like it’s a very serious issue,” he said.
“Because, you know, in everything we are talking about democracy, people can choose to disagree and agree. So, in my own opinion, it was just a slight misunderstanding.”
Sani assured party supporters that the matter had been resolved and dismissed speculation of any division within the forum.
“I don’t think you will hear anything again. I can assure you, you can’t hear anything again,” he stated.
“It’s just a slight disagreement, not a serious issue, but a slight disagreement. But it has been resolved.”
He further added that if there had truly been a leadership change, he would have automatically assumed office as chairman in his capacity as vice chairman.
“And of course, if there’s any change of leadership, sitting here as the vice chairman, I could have taken over,” he said.
“But I can tell you, I was there. And I was the one who made that statement clear that we are united. Everything is okay.”
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Former Vice President Atiku Abubakar has warned opposition parties against zoning the 2027 presidential ticket to the South, arguing that such a decision could make it easier for President Bola Tinubu to secure re-election.
In a statement released by his camp, Atiku maintained that fielding another southern candidate against a sitting southern president would be politically ineffective and unsupported by Nigeria’s democratic history.
According to the statement, opposition leaders should concentrate on forming a strong and united coalition capable of defeating the ruling party rather than making what it described as emotional or symbolic political choices.
Atiku’s camp questioned how a southern opposition candidate could realistically defeat a southern incumbent president.
“At the core of the question is: how does a Southern opposition candidate realistically unseat a sitting Southern president?” the statement read.
It further argued that Nigeria’s political history offers no example of such an outcome, warning that insisting on that strategy could amount to entering the election already defeated.
The statement added that if opposition parties insist on zoning the presidency to the South, they might as well allow Tinubu to seek re-election unchallenged by a rival candidate from the same region.
According to Atiku’s camp, such a strategy lacks the political strength, national spread, and electoral advantage needed to unseat an incumbent president.
The former vice president’s camp also criticised supporters of southern zoning, describing their position as “intellectually dishonest” and disconnected from present political realities.
“Defeating an incumbent president requires realism, not romanticism; strategy, not sentiment; honesty, not selective memory,” the statement added.
It urged opposition politicians to decide whether their focus is on making symbolic political statements or genuinely winning power in the 2027 election.
The statement stressed that opposition politics should be driven by practical electoral calculations and broad national coalition-building rather than emotional considerations.
On the issue of fairness and power rotation, Atiku’s camp argued that by 2027, the South would have spent more years in power than the North during Nigeria’s current democratic dispensation.
According to the statement, the South would have occupied the presidency for 18 years, while the North would have held power for only 10 years within the same period.
“It becomes difficult to understand the justice in an argument that seeks to deepen an already existing imbalance under the guise of equity,” the statement noted.
The camp also accused some supporters of southern zoning of selective memory, recalling that many of them backed former President Goodluck Jonathan in 2011 despite calls at the time for power to return to the North.
“It is intellectually dishonest for those who supported a Southern presidency in 2011 to now posture as custodians of rotational justice,” the statement said.
While acknowledging the Southeast’s aspiration to produce Nigeria’s president, Atiku’s camp criticised what it described as “transactional political bargaining” and “symbolic tokenism.”
The statement warned against political arrangements allegedly aimed at satisfying personal ambitions without creating a genuine and sustainable pathway for the Southeast to attain power.
“Principles do not become sacred only when they align with personal ambition,” the statement concluded.
It urged opposition parties and stakeholders to focus on building a broad-based national alliance capable of defeating Tinubu in 2027 rather than becoming distracted by divisive zoning debates.
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