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Topographic Points

Surfaces

Break lines can be defined graphically, by sequence of points, codes or by importing files. Triangulation can be created from points, with or without break lines and by applying angle or maximum length controls. There are also options for flat triangles minimization and automatic gap repair.

Topographic surfaces of natural terrain and geotechnical layers can be created from survey data or seismic profiles. There are commands for interactive editing of the surface, and it also offers tools to detect and repair errors. The surfaces can have multiple boundaries or islands, and can be drawn as lines, 3D faces or meshes.

Advanced surface operations include tools for creating subgrades with a fixed or variable elevation for implementing earthworks by site or grading elevations, levelled area top, embankment top or bottom, slope between surfaces etc.

These commands include options for determining the optimum elevation to balance the cut and fill volumes. The program includes the import and export of the most common formats, including CAD applications, BIM, machine control, 3D modeling and virtual reality.

Cartography and Contour Lines

Meshes

Horizontal Alignments

The horizontal alignments which will be used on longitudinal profiles and cross sections may be created easily from polylines or by importing files in the most common commercial formats as LandXML, IFC, etc.

Other commands also allow alignments to be integrated based on lines, circular arcs and clothoids and which may be fixed, rotating or coupled, greatly making easier the layout drawing.

The alignments are automatically dimensioned with customizable styles and their vertices may be edited. It may also be checked whether the radius and setting values comply with the road standards. MDT includes other tools for labelling curve tables, the generation of reports by intervals, the calculation of distances and intersections between alignments etc.

Once the alignment has been generated, superelevations and widenings can be generated, being able to choose the applicable tables according to the country. An MDT road comprises the horizontal and vertical alignment, longitudinal profiles and cross sections, superelevations, widenings and template sections. Then it is possible to draw the project longitudinal profiles and cross sections, represent the modified terrain and obtain all kinds of reports for measurements, settings out etc.

Longitudinal Profiles

The profiles may be calculated based on a surface, 3D cartography or by regression from points near the alignment. The quick profile command allows the user to draw a line on the surface and quickly show the profile. The profiles may be updated automatically when the original alignment or surface have changed. Furthermore, it has a powerful CAD independent profile editor which allows graphic and numerical editing. The drawing is fully customizable, including the use of paper space or model, sheet templates, style, justification
and text sizes. The numerical information to be labelled on the profile can also be chosen from a broad list of elements (distances from origin and partial distances, terrain elevation, gradient elevation, slopes etc.). Blocks defined by the user can also be inserted at the desired locations.

It is possible to represent on one single profile one or several terrains and vertical alignments, including the tables with vertical curve characteristics, curvature diagram and superelevations, intersection with other roads etc. MDT has utilities to draw profiles of power lines including poles, catenaries, etc.

Cross Sections

The terrain cross sections may also be obtained from points, a surface or mesh, 3D cartography or by the conversion of files from the most usual formats. The project profiles are generated, also bearing in mind the standard sections, superelevations and widenings.

The drawing is highly customizable in such a way that we can decide on those elements which must be labelled (chainage, terrain elevation, gradient elevation, areas and volumes, superelevation etc.). In addition, we can see them in real time simply by moving the cursor on the drawing on the horizontal alignment or on the longitudinal profile.

MDT allows users to draw several profiles simultaneously to see different layers or stages of evolution of the project. A powerful editor allows the profiles to be graphically modified by moving the vertices or numerically by modifying distances or elevations.

If the original surface or alignment are modified, the profiles may be automatically updated. MDT also incorporates special commands for drawing piping sections, allowing the definition of their terrain layers, bedding material, pipe diameter etc.

Vertical Alignments

Vertical alignments can be defined from a polyline, parameters (chainage and elevations or distances and slopes) or by importing files. Vertical curves may be circular or parabolic (symmetrical or asymmetrical) and they may be edited by changing their radius or parameter, tangent, maximum ordinate or crossing point, showing all the information about estimated elevations, slopes and volumes in real time.

The drawing is updated automatically of the alignment or surface is changed. MDT includes tools for generating the optimum gradient, applying displacements in chainage or elevation, extracting it from a longitudinal profile, comparing two gradients etc.

Compliance with the road standards can also be verified in terms of visibility, slopes and curve characteristics.

Road Templates

MDT allows the drawing of road sections applicable to each segment of an alignment, both on urban and road projects. The platforms are defined from vectors such as lane, median, berm, hard shoulder… The user may create his own vectors library and he may customize the dimensions and behavior of each to decide how to apply superelevations, textures or road surface layers.

The road surface layers may also be defined separately for each platform vector as well as the sub gradient
application conditions (constant slope, parallel, depending on the superelevation or variable). You can also apply different inclinations on the left and right of the alignment as well as in the interior or exterior of the median. Finally, different materials can be assigned to each of the road surface layers.

The ditches are defined from vector elements and they may be applied on the left or right and cut or fill. Another option allows the definition of reserve ditches conditioned by the height difference from the natural ground. There are different options for defining the cut and fill slopes: constant slope, berms or variables. You can also assign conditional slopes for height, layers of geology, slope dimensions, etc.

In addition, the standard section may include geology layers, walls and structures, reinforcements and expansions. It also includes tools for the automatic creation of sections from a drawing in top and front views, being able to define geometrically medians, walls, curbs, etc.

Setting out

Setting out bases can be created using various methods and it is possible to set out isolated points, points on an alignment, chainages and displacement, intervals, polyline vertices etc. with their own coordinates or regarding bases. All set out points are analyzed in line with the alignment, indicating their chainage,
displacement and azimuth.

It also includes numerous roads setting out tools with the possibility of calculating and analyzing section elements, generating lists of platform vertices, waysides, slopes, vertices, road surface layers, elevations etc.
Other useful commands allow the analysis, control and report on a survey based on a modified terrain digital
model and/or on developed design profiles.

Networks

The networks menu offers functions for the drawing in top or front views of water, sewerage, rainwater networks, etc. The nodes can be imported from file, converted from points or blocks, or inserted manually.
The pipe sections are created by joining nodes or converting 2D or 3D polylines, giving diameter and material from a customizable list.

The longitudinal profile draws the wells with their attributes and the pipes, with their diameter, material, slope, intersection with other pipes, etc. The cross profiles include the representation of the pipes at their real position with respect to the ground.

In addition, all networks can be drawn in 3D with their actual dimensions.
Networks can be exported to LandXML formats, shape for integration in GIS and JSON to process with CYPE applications.

Areas and Volumes

Cut and fill volumes can be calculated from a comparison between meshes, surfaces or cross sections. The results of meshes and surfaces are represented by areas using color palettes, with a customizable legend and interval. Calculation by cross sections allows the application of the curvature corrections in line with the geometry of the horizontal alignment and excluding intervals that do not form part of the measurement.

A utility allows you to quickly calculate the volumes of stockpiles of material defined by polylines drawn on a surface. The calculation of road surface layer volumes includes the detailed breakdown of each of the volumes calculated: cut, fill, topsoil when cutting, topsoil when filling, reinforcements etc.

The quick volume utility allows the ascertainment of the percentage of the works carried out based on a points file X, Y, Z or chainages and elevations, generating different reports for each of the methods and estimating the maximum error.
Other additional reports are the lists of areas, volumes, cross section measurements, road surface measurements, slope measurements, volumes by simple section etc.

Finally, MDT has a group of commands for managing mass diagrams with different representations, the calculation of earthworks, the definition of landfill and stockpiling areas, transport costs table and the generation of reports with an expression of volumes of land displaced, transport distances, associated costs etc.

Quantity Take-off

MDT includes the possibility of selecting a database of work units in BC3 format, organized in chapters, groups and items. In these items you can edit its description, detail, measurement unit, execution price, etc. In addition, it is possible to associate the data on CO2 emissions, water and fuel consumption, energy consumption and waste emissions to each work unit.

These work units can be assigned to earthworks, road surface layers and other elements of the drawing. For example, for the road surface layer the density and factors are indicated, and it can be applied to the total volume, upper surface or lower surface of the layer.

With this data, it is possible to automatically generate the reports: work unit measurements, material execution budget and consumption and emissions for the entire project.

Images

Maps - Render

Plots

BIM

Utilities

MDT has multiple additional tools for the presentation of drawings such as the numbering of objects, draw coordinates and grids, slope drawing, division onto sheets, layer control, entity elevation etc.

The feature elevation utility allows you to quickly assign elevations to features drawn in 2D, using a surface or indicating extreme values to interpolate the rest.

The support submenu offers options to open the help system and training videos, report issues or suggestions, check for updates, etc.

Reports

The results offered by MDT can be customized by the user, including its graphic representation and reports. In these you can define the header and footer content, font types, sizes and colors, add company logo, configure margins, line spacing…In addition, the reports can be exported directly to Word, Excel, text, PDF and drawing as a table in the CAD itself.