What are the methods of generating 3D models in procedural modeling?

What are the methods of generating 3D models in procedural modeling?


The Organic Law 2/2006, of May 3rd, on Education, states in article 39.6 that the Government, after consulting the Autonomous Communities, will establish the qualifications corresponding to vocational training studies, as well as the basic aspects of the curriculum of each one of them.

The Organic Law 5/2002, of June 19, 2002, on Qualifications and Vocational Training, establishes in article 10.1 that the General State Administration, in accordance with the provisions of article 149.1.30.º and 7.º of the Constitution and after consulting the General Council of Vocational Training, shall determine the qualifications and certificates of professionalism, which shall constitute the vocational training offers referred to the National Catalogue of Professional Qualifications.

Law 2/2011, of March 4, on Sustainable Economy, and Organic Law 4/2011, of March 11, complementary to the Law on Sustainable Economy, which amends Organic Laws 5/2002, on Qualifications and Vocational Training, and 2/2006, on Education, have introduced an ambitious set of legislative changes necessary to encourage and accelerate the development of a more competitive and innovative economy, capable of renewing the traditional productive sectors and opening the way to new activities demanding stable and quality employment.


There is another type of simulation that is becoming increasingly important: the generation of high-quality artificial data that accurately conveys information about real traffic situations. The problem with using exclusively road data is that large amounts of data must be collected and mapped to approach the limits of recognition modules in various operational areas. In addition, the recognition algorithms no longer match the available data and fail when working outside the working environment and under other conditions. At the same time, synthetic data can be created quickly and inexpensively, and their descriptions are generated automatically using basic knowledge of the simulated environment.

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Although the task of synthetic data modeling for sensors seems simple and obvious, it is actually very difficult. In addition to creating realistic synthetic environments for different regions (e.g., San Francisco or Tokyo), modeling each type of sensor requires detailed knowledge of the underlying physical properties and characteristics of the various sensors used in industry. In addition, although simulations may be significantly slower for other applications than real-time, most driverless driving algorithms require near real-time performance. Therefore, different levels of simulation performance and accuracy are required for different use cases.

How to make 3d models

GTA Geoinformatik GmbH (GTA) was looking for a solution to visualize its large database of real-world buildings in more detail in 3D. Special attention was put on extending the depth in the facade elements as well as in the roof details. In a collaborative project with GTA, a showcase has been created to test a possible data pipeline.

The city scene can be displayed within CityEngine with a simple method to adjust the level of detail. In addition, the model was exported to an OBJ format with additional georeferencing data for use in GTA’s tridiconTM CityDiscoverer, a high-performance 3D GIS solution.

Free 3d modeling app

Algorithms that carry out this type of operations fall into the classification of recurrent or recursive algorithms. The more complex the procedural algorithms are, the easier it is for things to escape the developer’s control. There is a risk of losing control of the game completely if too many elements are left to chance. Giving too much freedom can lead to breakage or overlap, or values so far removed from each other as to be incompatible or impossible to realize. It is here that the guidelines find their materialization in the branching and pruning algorithms. In this way, all possible solutions are shuffled but only those that can be implemented are chosen. This is something very common in the roguelike games that we can see today.[2]

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New methods and applications are presented annually at conferences such as the IEEE Conference on Computational Intelligence and Games and Artificial Intelligence and Interactive Digital Entertainment.