lgs 3d laser scanning

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3D laser scanning present expo

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3D HIGH DEFINITION SCANNING and BUILDING INFORMATION MODELING

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HIGH DEFINITION SCANNING 3 DIMENSIONAL HIGH DEFINITION SCANNING Also known as 3D Laser Scanning, HDS represents the next logical step in field data acquisition. Using a similar principle as a laser range finder coupled with a total station survey machine, the HDS system uses a pulsing laser light beam to acquire real-time data into a 3 dimensional coordinate system. However unlike those methods, it can record directly from virtually any surface, do it tens of thousands a time a second and at every millimeter. Every time the pulsing laser hits a surface, it records that point – simple. Those points are grouped together in relation to each other in what is known as point clouds. These point clouds can then be brought together with great accuracy, producing a complete model of a project. These combined point clouds are useable in generating 3 dimensional models, several forms of analysis, investigation, or just simply as a means of accurate archiving. What is ……

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BUILDING INFORMATION MODELING BUILDING INFORMATION MODELING: Building Information Modeling, also known as BIM, is a progressive culmination between traditional CAD, 3D modeling and interactive engineering software. It allows a project to tap into several different aspects of the design process, in one centralized location. The premise is a 3-dimensional “virtual conception” of your project, that incorporates intelligent, database oriented information associated with key elements of that conception. The whole or just one part of the project can be accessed by any individual on a design team, allowing them to glean necessary information in real-time. Working in an expanded CAD environment it is recognizable to the majority of an experienced design team. Since its intelligence is database oriented, it can be updated on the fly. And that information can be used in everything from material schedules, to virtualized test design scenarios – running any number of simulations on the design. Also since its centralized, any challenges by one design team area, is instantly communicated through the entire design. What is ……

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HIGH DEFINITION SCANNING ADVANTAGES Increased precision Point samples can be recorded with less than 1 millimeter spacing Data acquired is accurate to within 3 millimeters of “real-time” Data acquisition time reduced Centralized mass recording of site information, reducing time for each set-up and / or additional personnel. 99% site archiving. If you can see it, you can sample it. With complete site archival, there is little need for revisits, or site observation Accuracy through-put No allowance for “interpretation” in processing. Objects are not just reduced to symbols, but include planar attributes, circumference, color property, along with many number of other features. Grading and face planing can be accurate down to the millimeter. Overall Cost-savings Combining all its advantages, what you end up with is the ability to in a single instance record any data you might need, present or future; alleviate the need for additional man-hours; with an extremely high degree of accuracy. Accuracy in data equals accuracy in design. Accuracy in design means less need for second thinking, redesigns, or design changes.

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HIGH DEFINITION SCANNING HDS point clouds are highly detailed and precise. The smallest details of a building front, architectural attribute, landscape feature, or other necessary considerations can be captured.

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HIGH DEFINITION SCANNING Exhibited here you can see how HDS point clouds fall realistically with a coordinated photograph of the scanned feature.

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HIGH DEFINITION SCANNING HDS point clouds are precise and can be used for analysis, engineering, or presentations. Here is an example of a planarity study on a high school football field. The field plane can be shown with color variation or contoruing down to 3mm precision.

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HIGH DEFINITION SCANNING Detailed point clouds can be used to analyzed many different aspects of a subject. Exhibited is a study of the attributes for a buildings walls. The building is to be expanded and it was needed to find how plumb and plane variations within the wall down to a finite degree.

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HIGH DEFINITION SCANNING Point clouds can be brought together even for very large areas, and used for presentations. These presentations can be fixed location, or easily transformed into video due to its 3 dimensional viewing nature. Villanova University stadium for archival purposes. A video presentation was produced using the above point cloud model.

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HDS and 3D SOLID MODELING An archival scan of Long’s Park Amphitheater in Lancaster, PA. This archival scan could used for event and facilities planning. HDS point clouds can be used to construct 3D solid models from. Here we have an archival scan of a cellular phone tower, that has been partially modeled. The solid modeling could be used for any number of purposes, from presenation to CAD modeling and extraction, to a BIM model.

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HDS and 3D SOLID MODELING The intricacy of interior structuring often make a traditional field study time consuming and highly inaccurate. Considering any entity scanned can be solid modeled directly from point clouds, ALL the attributes could accurately be translated into the design process in a fraction of the time. Here is a complex boiler room, being processed down for a BIM model………. HDS point clouds can easily be used to build accurate 3D solid models of any scanned material. The reverse process can also be applied – overlaying HDS point clouds to existing 3D models. A scanned building modeled to used as a base for renovation design.

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BUILDING INFORMATION MODELING ADVANTAGES 3-Dimensionally oriented Interoperable with most traditional CAD platforms. Allows more realistic perspective of design Provides design sense as to requirements of the design Easily extract 2 dimensional line work for plans, etc. Data-base linked Easily update data with new materials, new parameters. Visually interoperable with the model, allows for unique perspective on design, and automatically updates based on model input. Organized, standardized , centralized information. Streamlined design process Interoperability between all design and construction disciplines Detection in clashes between construction objects readily seen and addressed Structural calculation and design parameters become an in-design process instead of a separate process. Any structural, thermal, electrical, plumbing or construction deficiencies can be determined in process and addressed centrally Overall Cost-savings Coordination means better communication, means efficiency In-process design testing means less change orders, redesigns and reconstruction Centralized design archive means ready access for all involved

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Building Information Modeling (BIM) is the principle of constructing digital 3D models with intelligent database information attached to its graphical elements. BIM is also a multi-disciplinary advancement, bringing together every aspect of construction design - from mechanical thru electrical, to structural and architectural - in one centralized, homogenous design location. BENEFITS OF BUILDING INFORMATION MODELING

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BENEFITS OF BUILDING INFORMATION MODELING BIM data base incorporates a component of resource groups that are easily transferrable and implemented between clients and partners. This allows organization of the data base information and elements according to design need. Here you see a typical entry to the BIM data base integration. To the right is an editable list of the components key features and properties. To the left is an example of the component, in this instance a heat transfer energy unit. This can be applied to ANY material in the project design – beams, piping, etc.

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A rather large advantage to BIM is its ability to perform clash detection and construction conflicts in the design stage instead of construction stage. This means drastic reduction in design amendments, late-stage design changes, change orders, etc. These are items are major contributor to over-budget expenditures through increased man-hours, inaccurate material supplies, and over-schedule penalties. BENEFITS OF BUILDING INFORMATION MODELING

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BIM models are also great tools for analysis. With the ability to update material databases, any attributes that are known for material(s) can be applied in unison, and used in “simulations”. Such attribute simulations may be for structural……. …..energy usage or thermal analysis, and solar exposure studies…… …..to acoustical studies and lighting analysis. BENEFITS OF BUILDING INFORMATION MODELING

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ADVANTAGES OF BUILDING INFORMATION MODELING Further Features and Advantages of BIM and 3D Models: BIM and 3D models can be easily used in public presentation pieces or proposed project animations. With use of BIM elements, every material element used is tracked automatically in schedules. Material definitions on BIM elements can be updated by manufacturers of building materials, avoiding material obsolescence or inaccuracy. Necessary for certifications including LEED, USACE, GSA. A BIM model can easily be geo-coordinated and placed into promotional scenarios. A collection of 3D HDS and BIM models were used in the above example for a public relations presentation. 3D scans were performed in key areas and modeled, and in turn overlaid with aerial photography. BIM models of proposed buildings were designed and coordinated with the topography models to produce an interactive and catching presentation.

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Lower Cost, Efficient Production Time, Bigger Profit Margins, A Better Product – that is what HDS, BIM and Land Grant Surveyors can do for you!!!

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