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Survey: 3D Modeling: MacOS, MiniCAD Computer Graphics Survey Modeling a 3D Scene Using MiniCAD 7 on MacOS Computers Read the. This section of the directions may not apply if you work on the project elsewhere. MiniCAD is widely used on the Macintosh for Computer Aided Design (CAD) applications.

Sep 12, 2017 miniCAD - Calculation, Design and Drafting Software for Surveyors, Engineers, Landscapers and related professionals. Main features:-Open / Merge: Open.

This type of software is primarily used for dimensional design (i.e., to create blueprints of real objects). It can also be used, however, to create virtual 3D scenes-such as the ones we will incorporate in our web pages. Since the 3D marketplace is very fragmented, MiniCAD is not the only 3D programs you will encounter. It does, however, follow the basic user interface approach used by all the dominant players, and it embodies all the major aspects of 3D work: modeling, rendering, and animation.

In this first phase of our 3D project, we will use the most common modeling tools: we will start from flat 2D shapes, converting them to 3D using two techniques generally available in all 3D programs: extruding and lathing. Later we will work directly with basic 3D shapes called primitives, combining them using solid operations. After some, we can proceed to create the elements in our scene:. A simple building assembled from:.

Walls carved using a. A roof obtained by Our final product will be a simple scene containing a logo made up of a few text characters (e.g., your initials). Find the MiniCAD application icon and start the program. Use File-New to create a new document. A new untitled document window appears. Save the new document: File-Save As, enter any filename you want (this document will not be posted on the web site directly).

Make sure to save often as you continue to work. Switch to front view, using the View-Standard Views-Front. The document window will update to show a front view of the model space. Make sure the 2D Tools palette is visible (otherwise, display it using Windows-Tool-2D Tools). Choose the Polyline tool (the 5th from the top in the left half of the 2D Tools palette).

Draw the profile for the pedestal, using the Polyline tool in a connect-the-dots fashion to create a series of connected straight segments. Click near the middle of the grid to establish the starting point of the profile. Click to establish additional vertices representing one half of a front view of the pedestal. To constrain the line segments to vertical, horizontal, and 45°, hold down the Shift key while clicking. To complete the profile, return to a location aligned below the starting point, and double-click. An example of a completed profile is shown in this picture. Choose the 2D Locus tool (to display its icon, click and hold on the 6th tool from the top in the right half of the toolbox).

Click to place a locus symbol (a white 'X' in a black box) on a corner of the profile. This is used to indicate the axis of rotation (the imaginary line around which the profile swings as it creates the 3D object). This picture shows where to click for the sample profile shown previously. With the pointer (the Arrow tool), drag a selection box enclosing the locus and the profile, leaving both items selected. Choose the Model-Sweep command ( sweeping is another name used for the lathe operation).

The result is a symmetrical 3-D shape based on the 2-D profile you drew. Choose the Text tool (the 3rd from the top in the left half of the toolbox). Click in the document window to indicate the location of the type. Type a few letters, such as your initials (to keep file size and processing time down, we cannot have a large amount of text). When done typing, choose the Arrow tool, leaving the new text block selected. Now choose a typeface, size and style from the top three commands in the 'Text' menu. For best results, avoid typefaces and styles with complicated outlines, since this would also drive up the file size and the processing time: sans-serif typefaces such as Helvetica or Avant-Garde are a good choice.

To allow conversion to a 3-D object, you also need to select a typeface in the TrueType format. As the first step in creating a 3-D object, convert the type block to polylines (much like the ones you drew earlier with the Polyline tool) by using the Tool-TrueType to Polyline command. The result is a grouped set of polylines in the shape of the original type. Ungroup using Organize-Ungroup. You will see separate selection handles around each letter. Leave them all selected.

Hold down the Option key and choose Model-Extrude. In the dialog box, enter the depth of the 3-D type (e.g., 0.5') in the 'Extrusion' field. Leave the other fields at their default values and click OK. The extruded type won't look any different in the front view. Change view using View-Standard Views-Right Isometric. The isometric view lets you see how the pedestal and the type relate in 3-D space. Display the Resources palette (Window menu).

Find and open the MiniCAD:Toolkit:Goodies folder. This works like regular Open dialogs: double-click the 'Toolkit' folder icon in the scrolling list, then double-click the 'Goodies' folder icon. Double-click on the '3D Shapes' document icon in the scrolling list. Click once on the '3D Shapes' folder in the scrolling list, then click the button.

In the Window menu of the menubar you will now see a new submenu called Commands. In this new submenu, choose the '3D Shapes' command. A new commands palette titled '3D Shapes' appears. This palette can be used to add to your model simple solid shapes (called primitives). Double click on the single command contained in the '3D Shapes' palette, also labeled '3D Shapes'. The '3D Objects' dialog appears.

Click 'Cube'. In the Cube dialog, enter an appropriate size to enclose the entire scene (if you did not change the default scale, 6' is a good size). Repeat the same process to create a second, smaller cube (e.g., 5.5').

Switch to the front view (View-Standard Views-Front). Use the pointer (Arrow tool) to drag the two cubes so they indicate the inside and outside surfaces of walls and floor surrounding the scene. Stretch the smaller cube (use the pointer tool to drag its corner handles) so that it rises above the larger cube's top side. To better understand how the objects are positioned, switch back to isometric view (View-Standard Views-Right Isometric).

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Change the way the objects in the scene are displayed ( rendered), from wireframe (objects appear transparent because all the edges are displayed) to solid (View-Rendering-Shaded Solid). Verify that the two cubes are one inside the other, the inner one protruding past the top of the outer one. Use the pointer (the Arrow tool) to select both cubes (click on one, then shift-click on the other).

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Choose Model-Subtract Solids. Solid modeling lets you create complex shapes by combining simpler ones.

In this case, we will use the inner cube to carve out ( subtract) a cavity in the outer cube. In the dialog which appears next, click the arrow buttons until the outer cube is highlighted by a thick outline. Click 'OK' to complete the subtraction. The inner cube disappears, and the outer cube is hollowed out, creating in a single step the walls and floor of a room. Repeat the previous steps to insert, resize and reposition additional cubes. These you will use to carve doors and windows in the walls of the room. Use Subtract Solids to complete the room.

Double-click again on the '3D Shapes' command in the '3D Shapes' palette. The '3D Objects' dialog appears. Click 'Pyramid'.

In the dialog which appears next, choose a 'regular' pyramid (one that comes to a point) with four sides, then enter its size. Assuming you used the measurements in the examples, a good fit is 4.5 for inscribed radius, and 2 for height. To better arrange the pyramid vertically, switch back to Front view (View-Standard Views-Front) and wireframe rendering (View-Rendering-Wireframe). The pyramid will typically appear in the wrong place (in this sample picture, it is far too low). Use the pointer (the Arrow tool) to drag the pyramid to the proper location (do not drag the corner handles-doing so would resize the pyramid instead). In this image, the pyramid is positioned correctly atop the walls of the room. Remember that just because one view shows the correct arrangement, it does not follow that the objects are in the right place in 3D.

You need to look at the scene from multiple views. Switch back to top view (View-Standard Views-Top). In top (or plan) view, you see that the edges of the base of the pyramid are rotated 45° away from the walls of the room. Make sure the pyramid (and only the pyramid) is still selected. Display the Rotate Object dialog by double-clicking the Rotate Selection tool (the 3rd from the bottom in the right half of the 2D Tools palette). Enter '45' for the angle, click 'OK'.

The pyramid should now align properly with the walls. Reposition and/or resize if needed. Switching once more to isometric view (View-Standard Views-Right Isometric) and solid rendering (View-Rendering-Shaded Solid) should give you a good idea of the 3D nature of the scene you created. If you have a, you can see a -this is a large (1 MB) file.

Before leaving, make sure your file is saved so you can continue working with it in the next session. The MiniCAD application is in the CAD folder on the startup drive. Documentation on MiniCAD is available on the ACG lab file server, in the ACGDOCS volume. The Art Computer Graphics program of Fullerton College offers two classes covering 3D topics, ACG120: 3D Computer Graphics for Macintosh and ACG150: 3D Computer Animation for Macintosh. Look them up in the.

This document originally at Copyright 1997-2000. Last modified 2000-04-24.

Cad for OS X (Macintosh Operating System) In this article we explore CAD software for the Apple® Mac OSX as well as look at CAD for Mac that is not running OSX. We touch on the advantages and disadvantages of choosing a OSX for CAD usage and list the current CAD for OSX available in the market. In the Past: Traditionally CAD has been very strong in the Windows and Unix world, whilst the Mac OSX has been best handling the more pictorial realm of desk-top publishing and photo imaging. The processors used in OSX machines were designed around handling large image files that comprised mainly of bitmap data. Bitmaps are a series of dots that make up a photograph or two dimensional picture, they contain data such as hue, colour, light and saturation. CAD software however is mostly comprised of vector based information and the processors used in PC’s were particularly adept at handling vectors. Vectors are a way of describing the world as a series of points in space joined by linear entities.

A line for instance is described as two end points and a definition in between those two points and an arc is described as four points, one in the centre, two at either end and another at some point on the circumference. The advantage of vectors over bitmaps is that vectors accurately describe the world in 3D with dimensional precision.

Vectors can also be scaled up of down without compromising the appearance of the drawing or model. Bitmaps on the other hand simply end up with bigger dots when scaled up and jagged edges as the dots become more visible to the naked eye. They are also totally inaccurate and therefore cannot be relied upon when measuring or scaling. Recently: In recent times the OSX of Macs Leopard® and Lion® and Microsoft’s Windows 7® are more similar than ever, and with the huge uptake of the Mac OS X in industry, more and more people have been asking for serious CAD for OS X systems. Two things have happened quite recently in favour of taking OS X machines seriously for CAD work. Developers of many CAD software products have recognised the growth of the OSX market for CAD software and are responding by developing CAD for OSX (especially Leopard and now Lion) either from the ground-up or as an extension of their Windows based programs. Now that it is possible to run Windows effectively on the Mac at the same time as running the Mac OSX it opens up the ability to use existing Windows based CAD software on the OSX native machine.

So now let’s explore these two choices. Dedicated CAD for OSX: The choices of programs in this market are now much greater than in the past. Many of the past CAD programs for OSX have started out as simple and quite primitive 2D drafting tools like Mini-CAD that later changed its name to Vectorworks®. This CAD software is the most recognised CAD software in the OSX arena as MiniCAD was the only CAD software for the Mac for a very long time. VW is now a 3D tool as well and has several niche market areas that it seems to have grown into such as stage design, landscape and basic architectural design. Many traditional CAD for OSX products are not particularly intuitive or efficient software, relying on large numbers of icons and detailed dialogue boxes that take up a great deal of screen realestate and can be quite daunting. The double click single button mouse of the Apple® OSX of the past was probably responsible for this.

These days there is a flood of new mid-range CAD software for OSX. Plug-in applications that work with most CAD for OSX machines are rare, so as long as you are only looking for basic drafting or 3D modelling and do not require more customised tools then working natively on a CAD for OSX machine will be perfectly suitable for you.

Here is a list of CAD software for the Mac OSX There may other Mac OSX based software released shortly, however this is the current list. ARES® – AutoCAD like CAD for the Mac OS X by Graebert It is also available for Linux and Windows and runs DWG natively ArchiCAD® – is architectural CAD for OSX, purpose built architectural software that has been around for years and was the leading Architectural CAD software globally for some time. It is still one of the most popular architectural CAD for Mac programs by Graphisoft® Argon® – another in the suite of similar CAD for OS X software by Ashlar Vellum AutoCAD® - from Autodesk is the latest CAD software for OSX and like TurboCAD® has opted to leverage its name to gain rapid market acceptance.

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AutoCAD for the Mac OSX is a very different beast to AutoCAD for PC as they have opted for a very OSX like interface. One could say that AutoCAD for OSX is not really AutoCAD at all.

It does however still natively use Real DWG® from Autodesk®. You can create custom scripts, line types, hatch patterns, and command aliases, as well as AutoLISP and ObjectARX applications, in AutoCAD 2011 for OSX; however, there is no support for DCL in AutoLISP, nor is there access to some of the custom AutoCAD user interface controls in ObjectARX. Technologies specific to Windows, such as Visual Basic for Applications, OLE objects, and Windows Media Audio, are not supported in AutoCAD 2011 for Mac OSX.

The most commonly used functionality of AutoCAD is included in AutoCAD for OSX. However, there are a few commands that are not included in this first release, including layer filters, layer groups, and layer states; Sheet Set Manager; and DGN, PDF, and DWF underlay support.

BOA – French architectural CAD design software for the Mac OSX that allows users to design projects in 3D easily and obtain 2d drawings automatically. – is a 3d sketch tool for OS X and Windows in the realm of SketchUp (only more powerful) and is a subset of Form-Z Cobalt® - parametric 3D modelling, product design, development tool, for both Macintosh OS X and Microsoft Windows. It is by Ashlar-Vellum CorelCAD® - a 2D and 3D CAD for OS X, again based on the ARES system from Graebert of Germany. Any use of the contents herein without express written permission from is forbidden and protected by local and international copyright law. Trademarks on this site are held by their respective owners. Trademarks include the. Prices shown are in AU$.

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