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Importing DXF Files to Bose® Modeler® Software
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1. Modeler Importing DXF Files Once Modeler software constructs the geometry elements from the information in the DXF file a window for the attributes of the Guide Layer appears as shown in Figure 2 NOTE Often not all layers that are listed in the DXF conversion dialog will show up in the subsequent window for the Guide Layer attributes There are two types of layers that won t be transferred into the Guide Layer Empty layers and layers that only contain objects combined into blocks If a layer contains both blocked and exploded elements only the latter will be made available in the Guide Layer Guide Layer Attributes Scale Offset Rotate Units Other Centering Manual gt Angle bo Scale fioooooo 2 Offset 461 m Orientation pe l Drawing Y Offset a5 000 m invert Y Inver Line width f W Show vertex ALON NOILVOTIddV Layer E Elevation 2 Ceiling 0 00 Exterior 0 00 Facade 0 00 Foundation 0 00 Interior walls 0 00 Lines O00 Objects 0 00 Poles O00 Railings O00 stairs 000 stands 0 00 stands alls O00 teel Construction 0 00 ii Figure 2 Guide Layer Attributes The Guide Layer window can be accessed at any time also after the completion of the import process This way a variety of adjustments can be made to the Guide Layer during subsequent modelling The Guide Layer can be accessed by selecting the Guide Layer icon in the Arrange toolbar The Guide Layer icon also features a wing
2. Importing DXF Files Column footprint Figure 15 Imported Guide Layer with side walls and column locations The next issue with this particular Guide Layer is the fact that one edge of the square column footprints does not coincide with edge of the wall This can be seen if one zooms into the boundary Note misalignment in DXF Figure 16 Misalignment of side wall and edge of column There s just no sense in trying to be accurate and to model the column where it s precisely located in the Guide Layer it makes much more sense to have it align with the side wall The following figure shows the same part of the model with a column footprint and a side wall element added by utilizing a 0 1 m Room Snap Grid Note that the column edge is now precisely aligned to the side wall Note also the very small misalignment of a few centimeters at the other side of the column pro Bose com ALON NOILVOl1ddV M Modeler Importing DXF Files N note small misalignment to Note alignment to side wall original column corner Figure 17 Column footprint and wall drawn using the Room Snap Grid Snap to vertex functionality As mentioned before Modeler software allows its various drawing tools to utilize the snapping functionality with regards to available vertices in the Guide Layer In order to allow Modeler software to snap to the Guide Layer you need to check the appropriate box in the Drawing Saving tab of the Model Setting
3. materials as well as surface types can be assigned to each layer e Both types of DXF files allow the adjustment of their scale and with 2D files offset and orientation of the drawing may also be defined by the user e The snapping functionality of Modeler software s various drawing tools is extended to the 2D drawing in the Guide Layer which together with the various extrusion tools allows for a very effective creation of a three dimensional room model The information in this application note is organized into three primary sections Section 1 Importing a DXF drawing into Modeler software Section 2 Start working with a 2D drawing Section 3 Start working with a 3D model Associated Reading Modeler 6 6 Software User Manual Modeler Application Notes Preparing AutoCAD Files For Bose Modeler Software Import Bose Professional Systems Division _ pro Bose com Modeler Importing DXF Files Section 1 Importing a DXF File Import of AutoCAD 2D DXF files Y You can either chose to open a single 2D DXF drawing or to add it to the currently opened project You cannot import a 2D DXF drawing into an already existing model In order to import a 2D DXF file 1 NOTE Select File Import Model AutoCAD DXF File Alternatively you may use the keyboard shortcut Ctrl I Browse the file system to locate the 2D AutoCAD file of interest select it then click OPEN The following DXF conversion dialog will d
4. menu that allows toggling the display state of the Guide Layer The same functionality is available via the Display tab in the Model Settings but the fastest way is certainly 4 Wm to utilize the direct keyboard shortcut g pro Bose com Modeler Importing DXF Files The Guide Layer window is organized in five main sections The bottom of the window shows a spreadsheet with all imported layers that contained valid geometry data Make sure that the colors set for these layers are distinguishable from the background color you chose for the Model window As in the conversion dialog the list can be sorted layers can be selected for display and the elevation of the displayed layer can also be adjusted The upper section of the Guide Layer window contains four important options to adjust the appearance of the Guide Layer content within the Model window Scale This section defines the Units that will be used for the imported DXF data This selection is important since a DXF file does not contain any information about the scale that was used during the creation of the drawing You can select between standard Metric units meter centimeter millimeter English units feet inches or you can chose a custom scaling Other If the latter is used a scale factor can be defined in the Scale text box Offset This section determines where Modeler software locates the Guide Layer content within the Model Window If the pull down menu
5. option that allows you to display any vertices within the Guide Layer content This function is important with regards to Modeler software s ability to have its drawing tools snap to vertices within the Guide Layer With vertices shown the user is able to distinguish a valid snap location from a simple crossing of two lines Import of AutoCAD 3D DXF files You can either chose to open a single 3D DXF model or to add it to the currently opened project In order to import a 3D DXF file 1 Select File Import Model AutoCAD DXF File Keyboard shortcut Ctrl I Browse the file system to locate the 3D AutoCAD file of interest select it then click OPEN The following DXF conversion dialog will determine how the DXF file will be imported into Modeler software as a room model MOMOE gt U U gt pro Bose com _fFFMI Cancel Modeler Importing DXF Files DXF Conversion 3D 3 23 material data The following layer were found in the DF File Please assign Koude aeii materials and surface types Ceilings Absorptive 1 Find the desired material in the material tree Ceilings Reflective 2 Drag the material to the Maternal cells in the spreadsheet default 3 Select the surface type in the Type cells Floors l Note Material and surface types can be changed once the DF Misc Materials File ig converted HET Seats Walls Absorptive J _ Material Status FH 10 oz Velour Drape ac Total Absorption Unl
6. a surface within the model The following example attempts to explain the recommended method for application with a 2D Guide Layer For simplicity the DXF drawing consists of just the playing field of a soccer arena but of course the method also applies to much more ALON NOILVOTIddV complex models For this example we will adjust the offset of the model and the Guide Layer such that the midpoint of the soccer field will coincide with the Modeler software 0 0 0 coordinate system origin But first let s take a look at how the drawing will be imported using Automatic offset B 50 40 30 20 10 10 20 30 40 30 60 40 Midpoint of field i Af 5 oe Modeler Origin page et ft CB Figure 5 Soccer field with Automatic Guide Layer offset pro Bose com a Modeler _ FMT 2s F Importing DXF Files With Automatic centering Modeler software places the Guide Layer such that the maximum extent of the drawing in both dimensions here x and y is centered around the Modeler software origin In this case the model does not only contain the soccer field the geometry of interest but also two other elements that skew the offset of the Guide Layer This way the playing field is offset to negative x and also towards positive y The next figure shows how the model is centered when Manual offset is chosen and both the x and y offsets are set to zero This way the Modeler software origin
7. be a transportation venue that spans over several floors that are only coupled by relatively small openings In general coupled spaces are not recommended in Modeler software since a global reverberation time is assumed for the acoustical predictions Should your 3D drawing contain such complex structures it is recommend that you remove all building blocks except the one of interest close any openings and restrict the predictions to the section of interest Bent surfaces Depending on how much care was taken when the AutoCad model was created your model may also contain bent surfaces i e surfaces where not all corner vertices are located in the same plane Should Modeler software detect such surfaces during the import it will correct the bentness by relocating one or more vertices of the surface in question and mark it with a red shading The display of Bent Planes shading must be activated in the Application Preferences in order to see these planes Should you see bent planes in your model we recommend that you fix these surfaces by deletion and rebuilding them with triangles using the nsert Face tool pro Bose com an_modeler_importing_dxf_files_1 3 Modeler Importing DXF Files Close Openings For any reason your imported room model may contain openings Check your model carefully to detect critical unintended openings Modeler software doesn t require the simulation model to be watertight
8. coincides with the origin of the Global Coordinate System within the original DXF drawing Using this option the midpoint of the field is offset even further from the Modeler software origin 10 0 20 30 40 50 60 pi a0 a0 100 110 ALON NOILVO OlIddY Midpoint of field Modeler Origin ooo e e ee e a Figure 6 Soccer field with manual centering and zero offset for x and y pro Bose com ALON NOILVOTIddV M Modeler Importing DXF Files As you may note the DXF drawing contains a little triangle depicted in blue This triangle was added to the DXF drawing in order to facilitate the method of centering described below Let s zoom into the middle to the soccer field Figure 7 Midpoint of soccer field with guide object for the helper surface Note that the triangle was drawn such that the tip coincides with the midpoint of the field We now want to draw a helper surface in Modeler software which utilizes the ability to snap to vertices of the Guide Layer and coincides exactly with the blue triangle Let s zoom in again on the tip of the triangle this time with the Guide Layer vertices displayed a Figure 8 Midpoint of soccer field with tip of guide object vertices turned on Note the many vertices that make up the small circle at the midpoint It would be very hard to exactly place a vertex of a helper surface in this region s
9. e g it is allowed to model a stadium with a large opening in the ceiling but certainly it is undesirable that the model contains larger openings where they don t belong It is often usually practical to search for any openings by utilizing Camera View and setting the Back Color to a very distinctive color e g pink You can then maneuver through your model and look around for any inconsistencies in the geometry As with bent surfaces the most effective way to close openings is inserting triangular surfaces with the help of the Insert Face tool Assign surface types amp descriptions After importing to Modeler software you should consider assigning surface specific descriptions since these are not available in DXF files Also since the DXF conversion dialog only allows assigning Modeler software ALON NOILVO OlIddY specific surface types per layer you may now want to assign surface types to individual surfaces by utilizing the Surface Tab Assign acoustical properties to surfaces As described in section 2 you have the option of assigning acoustical materials to individual ayers during the import phase of a 3D DXF file Nonetheless materials are typically assigned to each surface so please make sure you verify the material assignment for each individual surface In order to properly define all acoustical properties of a given surface you also need to assign the correct reflection characteristics scattering specular and if u
10. etermine how the DXF file will be imported into Modeler software as a Guide Layer within the room model Note the status bar DXF Conversion 2D The following layers were found in the 2O DF File The selected layers will be converted to tracing guide objects Please assign elevations and colors to the selected layers LI Layer Elevation 2 With very complex DXF files it may take a while until the DXF conversion window is displayed Cancel tatus p T O Axis O Bak Ceiling Defpoints Exterior Facade Foundation O Hatching Interior walls O Labels O Layout Lines O Marker IDI Measures 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 nn it Figure 1 2D DXF file conversion Unlocked Unlocked Unlocked Unlocked Unlocked Unlocked Unlocked Unlocked Unlocked Unlocked Unlocked Unlocked Unlocked Unlocked Inlnekerd a ALON NOILVOTIddV The DXF conversion dialog shows all available layers in a soreadsheet that can be sorted by clicking on the header of each column All layers are selected for import by default but can also be checked individually Selecting the checkbox in the Layer header toggles all layers on off For each layer its elevation in the Guide Layer and its color can be adjusted Select OK to accept the parameters and to begin the import Process pro Bose com Y
11. for Centering is set to Automatic the DXF data will be centered in the model based on the extent of the data in the two dimensions available If the menu is set to Manual offset coordinates can be entered in the two respective fields If the values are set to Zero the origin of the Global Coordinate System within the original DXF drawing will be placed at the Modeler software coordinate system origin Any other number for offset will re locate the Guide Layer content with regards to this reference Further information on how to best center an imported DXF drawing is provided at the end of this chapter Rotate This section allows the adjustment of the basic orientation of the imported layer s as well as any additional rotation around the Modeler software coordinate system origin While the latter may be less frequently applied note that you can utilize the Orientation setting to import a cross sectional drawing of the room and start modeling from there e g by applying the Extrude Surface tool Note that once you change the orientation the axis available for Offset will change accordingly The Rotate section also allows you to invert i e mirror the Guide Layer content at one of the two available main axis Drawing This section allows you to enter the width of the lines as drawn in the Guide Layer We recommend keeping this value small in order to avoid cluttering of the display Also available is an
12. g on their z coordinates surfaces created in Modeler software may appear differently if their vertices result in being either above below or at the same height as the respective layer elevation The following pictures try to illustrate this situation OF 19 pro Bose com ALON NOILVOl1ddV y Modeler Importing DXF Files a If G D Figure 20 Guide Layer only left and with surface above right Note regular black surface edges Figure 21 Guide Layer at same height as surface left and above surface right Note color change of surface edges and details to vertex indicators This artifact also appears during the creation phase of a new surface whose egdes lie exactly above lines from the Guide Layer which is normal when you utilize snapping to vertices of the Guide Layer These collinear edges disappear during surface creation as can be seen in the example below EE Figure 22 Disappearing edges of newly created surface with Guide Layer at elevation gt Zero pro Bose com Modeler _ FMT 2s F Importing DXF Files Section 3 Start working with a 3D model Depending on the original purpose of the 3D DXF model you received it may not be suitable for acoustical modeling right away In general a good acoustical model requires much less detail than an architectural model Too much detail does not only slow down calculations it may also cause inaccurate results It
13. ince so many Guide Layer vertices are valid candidates for snapping pro Bose com ALON NOILVOTIddV M Modeler Importing DXF Files Thus we will temporarily turn off all layers except the one that contains the blue triangle om Figure 9 Midpoint of soccer field with field layer turned off We can now use the Draw Polygonal Surface tool to create a helper surface on top of the triangle The following figure shows the model including the new helper plane For better clarity we have floated the Detail Window and chose the Properties Tab showing the properties of the newly created helper surface Description Material Total Absorption Floor Audience Unocc Reflection Specular DEUR 2 132 0 552 FA Acoust a Listeners Froperties Figure 10 Soccer field with helper plane and vertex properties pro Bose com f ALON NOILVOlIddYV M Modeler Importing DXF Files Note that we have selected the vertex at the midpoint of the field 0 and also its arbitrary offset from zero Now right click into the row describing the coordinates of the desired vertex and chose Center Vertex as depicted in the figure below Description Material Total Absorption Type Floor Audience Unocc Reflection Specular Area 44 Color Index size 3 62 2 43 0 00 Offset 3 94 2 07 0 00 o 6 F 5 755 2092 0 000 aa N Application Preferences a Model Se
14. is therefore good practice to simplify a 3D model should it contain too much detail As a general rule don t model surfaces with an extent of less then 0 5 to 1 0m in any dimension Among others some common recommendations are e Don t build stairs by modeling all their individual steps Instead model a continuous surface with scattering reflection characteristics e Don t model window or door frames that are just some centimeters deep Remove those elements and replace them by doors and windows from the respective Modeler software toolbar These elements are much more efficient with regards to acoustical modeling e Remove any decorative elements like chairs or other furniture Instead try to understand their acoustical behavior and assign corresponding characteristics to the underlying surfaces Do not remove elements that do have an important acoustic property e g a shelf that obstructs parts of the room from direct sound arrivals e Remove support structures e g steel elements in the ceiling as long as they are small sound will typically diffract around them unless they are required for collision detection Coupled spaces It is often likely that the original purpose of the 3D model that you have imported was not necessarily related to acoustic predictions Depending on the complexity of the modeled building the drawing may contain several building blocks which may or may not be acoustically coupled A typical example would
15. metry of a model for acoustic predictions slows down calculations More information about this aspect can be found in section 3 The other equally important aspect is that in general building and especially modifying room models becomes much trickier when the vertices of surfaces leave the smallest available Room Snap Grid in Modeler software 0 1 meter While various snapping algorithms within Modeler software help overcoming the associated problems it is typically more time consuming to build models whose major surfaces do not coincide with the room snap grid Below we try to outline one possible strategy to work with an imported 2D Guide Layer that has proven to work quite conveniently ALON NOILVO OlIddY The main decision you need to make while using a Guide Layer is When should I snap to a Guide Layer vertex and when should I draw on top of the Guide Layer by utilizing the Room Snap Grid only The following picture shows a screenshot of part of the ground floor of an indoor swimming pool Figure 13 Imported Guide Layer of a swimming pool OF 19 pro Bose com Modeler Importing DXF Files In this example we can depict some good candidates for snapping to vertices Especially the angled boundaries of the pools would be hard to do without utilizing the snapping functions The next screenshot shows an enlarged detail of the situation Clee j i F r D A po a PH i 3 Figure 14 Model su
16. o O Modeler E 7 Ds Importing DXF Files Introduction Starting with version 6 6 Bose Modeler sound system software contains new features designed to facilitate the import of two and three dimensional drawing files These features allow you to leverage work performed outside the Modeler environment within popular 2D and 3D drawing environments Two new import file types are now supported e Modeler Text Format files MTF created by the Bose Modeler Software Plugin for Google SketchUp e Drawing exchange format files DXF created by Autodesk AutoCAD and other compatible drafting applications This application note describes the import of DXF files and how to start work in Modeler based on the imported drawings Modeler offers the following DXF import features e Import of 2D and 3D DXF files A 2D drawing is imported into a special Guide Layer that facilitates the creation of a three dimensional room model A 3D drawing is imported as a three dimensional ALON NOILVOTIddV geometric model that can be used right away as a starting point for design work within Modeler software e Preservation of layer structure The import tool preserves name and color of the layers as defined in the DXF file Layers for 2D import are selectable from a list of all available layers in the DXF file and are adjustable in color and elevation When a 3D file is imported apart from the choice of layers and the adjustment of colors
17. ocked 14 oz Velour Drape ac Balcony Total Sheorption Unlocked E 14 oz Velour Drape Fi Main_ Ceiling Total Absorption Unlocked FAY 18 oz Velour Drape ac Main Floor Total 4bsorption Unlocked FY 18 oz Velour DrapesFr Main Seating Total Absorption Unlocked FY 316 Felt over Conen Orchestra_Pit Total Absorption Unlocked FY A 1 Soundblox Painte STAGE Total Absorption Unlocked FY A 1 Soundblos Painte STAGE_clozed Total Absorption Unlocked FH Acoustical Plaster 1 Wall Total Absorption Unlocked H Acoustical Plaster 1 2 FH Breeze Block Rough FH Breeze Black Smooth FA Diffusorblox FG B are A Mith enrhlan JE AP aimh J LON NOILVO OlIddY M Figure 3 DXF conversion dialog As with 2D import the 3D DXF conversion dialog shows all available layers in a spreadsheet that can be sorted by clicking on the header of each column Again layers can be checked individually for import Selecting the checkbox in the Layer header toggles all layers on off For each layer its material surface type and its color can be adjusted Assign materials to each layer by dragging the desired material from the set of material databases on the left side of the window onto the respective cell entry within the spreadsheet You can now also assign Modeler software specific surface types and color to each layer Select OK to accept the parameters and to begin the import process Once Modeler software constructs the geometry elements from the informa
18. on and apply the Center Listener or Center Loudspeaker algorithm analogous to Center Vertex Note that the centering function works in all three major room dimensions so in case you want to avoid that the z coordinates of the model are changed make sure that ILVOlTIddV your reference vertex listener loudspeaker for centering has an elevation of zero m Section 2 Start working with a 2D drawing General modeling strategies Before you import a DXF drawing into Modeler software and start working with the creation of a 3D simulation model you should think about the best way to build your geometry The best way in this sense means Minimize modeling time by utilizing as many semi automatic drawing tools as possible The tools for the extrusion of surfaces are very powerful when used in conjunction with a Guide Layer The two following examples illustrate this In a first example imagine you have to create a model for a room that features are complex floor shape with lots of corners recessed wall elements dedicated seating areas columns that need to be cut out of the floor etc but at the same time with a relatively simple i e uniform ceiling structure In such a case the recommended approach is to import a floor plan into the Guide Layer and using the Draw Polygonal Surface tool to create a polygon that follows the outline of the room Then use the Extrude Walls tool to create side walls and a fla
19. rface created on top of one pool Note the blue indicators of available vertices in the Guide Layer Many vertices describe the various curvatures with a detail that is not required for our purpose Thus the contour of the pool has been followed with a reduced set of vertices In a second example from the same project we look at a part of the Guide Layer drawing where snapping to its vertices would be less convenient when further proceeding with the model There are two elements in this part of the model we d like to use for guidance the location of the upper side wall and the footprints of rectangular columns that support this side wall Of course it is possible to again use the snapping functionality and place model elements precisely over the Guide Layer elements but a detailed inspection of the side wall of this example would reveal that it is not precisely parallel to the x axis but offset by some millimeters at one edge Such a slightly angled surface is hard to work with it gets difficult to join adjacent surfaces or to add vertices at exact locations We will thus create a wall surface that only comes close to the actual drawing reference but that will rest on the closest available room snap grid Typically the resulting error is in the Y ALON NOILVOlIddY range of a couple of centimeters and thus negligible The following screenshot shows the respective part of this model pro Bose com ALON NOILVOlTIddV M Modeler
20. s Model Settings Drawing Saving Display Room Attributes Pe m Enable nals E Hien Grid 5 0 Selection j 0 1 Surfaces Iw Snap To Vertes Speakers Cluster Origin Listeners Groups AT60 Source Enable Camera if Cluster Snap Grid 0 10 Custom Areas Doors indows w Snap ngle 1 Center OF Rotation i Room Snap Grid 05 M Cluster Attributes Q 11 lt 41 41 lt lt d r ured Surtace Attributes r File Contents i Curved Surfaces 450 w Map Data i Angular Increment M Guide Layer Auditioner Filters Abbrechen Ubernehmen Figure 18 Model settings to enable snap to vertex pro Bose com Y Modeler Importing DXF Files Since vertices in the Guide Layer may be located in very close proximity to each other it is recommend to set the sensitivity for snapping to a small value and zoom into the drawing during surface creation in order to ensure sufficient visibility of details The Snap To Vertex setting does not distinguish between vertices in the Guide Layer or in the actual model once activated it applies to both This may be disadvantageous in two situations 1 Ifyou want to want to snap to model surfaces alone you either need to temporarily turn off the complete Guide Layer Keybd shortcut g or you turn off only the layers that contain the elements that get into the way see the centering example in section 1 2 Ifyou want to snap to
21. t ceiling of continuous height Or use the Extrude Surface tool to clip the side wall extrusion at more complicated ceiling shapes such as a barrel vault In a second example should you have to model a room with a simple shaped floor plan but a complicated auditorium like ceiling it may be more efficient to import a cross sectional drawing of the room rotate the Guide Layer to the correct orientation and center it appropriately e g such that the floor level is at zero height Now use the Draw Polygonal Surface tool and create a polygon that follows the outline of the room in this sectional view and which will define the footprint for an extrusion Create two bounding surfaces at the desired location of the two side walls Now use the Extrude Surface tool and extrude the footprint surface towards the two boundaries with the termination setting Closed pro Bose com Y Modeler Importing DXF Files How much detail For this section we assume that you are familiar with the content of section 1 and have a suitable DXF drawing imported and oriented in the model With a detailed architectural drawing available in the Guide Layer it is very tempting to follow every small edge available especially since Modeler software allows the various drawing tools to snap onto available vertices in the Guide Layer In general it is not recommend to follow this approach for two different reasons One is that too much detail in the geo
22. the Guide Layer alone you need to disable the display of any model surfaces that get into the way of Guide Layer vertices by turning off the respective Surface Types in the Display Tab of the Model Settings This may also require to temporarily change the assignment of Surface Type to some surfaces ALON NOILVO OlIddY The display of vertices can be toggled with a checkbox in the Drawing section of the Guide Layer window as displayed in the figure below Guide Layer Attributes Scale Offset Rotate Unita Other Centering Manual Angle 0 0 Scale 100 000 m Offset 46 1 m Orientation xr Drawing l r Offset 445 m wet Y Irnvert Line width 1 lf Show Vertex Figure 19 Toggle vertex display in Guide Layer Attributes Note Modeler software snaps to the available vertices of an element in the Guide Layer but not to intersections of elements Thus displaying the vertices of the Guide Layer is recommended Surface visibility Another interesting feature of the Guide Layer is the ability to choose the elevation of the various layers This way layers that describe floors and walls can be placed at zero height and layers that describe lighting elements cable trusses or ceiling support structures can be placed at the actual mounting height in order to simplify collision detection when placing loudspeakers Layers are displayed in the Model view at an elevation as specified in the Guide Layer window Dependin
23. tilized occupancy settings to each surface The Surface Tab in the Detail View and its capabilities for sorting allow for effective assignment of these properties Set Acoustical Parameters A DXF file does not contain any information about the acoustical environment of the room model Therefore use the Acoustics Tab in the Detail View to set the relevant acoustical parameters like temperature humidity occupancy and background noise Also before you start performing acoustical predictions in your room model make sure that the source used for Ray tracing predictions of reverberation time is placed in a reasonable location Conclusion We certainly hope the concepts and recommendations discussed in this application note are helpful to you We hope you will enjoy working with Bose Modeler Sound System Software We encourage you to send us your suggestions about how to improve the tools or the workflow for importing 2D and 3D DXF files E Better sound through researche All information subject to change without notice 2009 Bose Corporation Bose and Modeler are registered trademarks of Bose Corporation in the U S and other countries Other marks are the property of their owners pro Bose com
24. tion in the DXF file a window for the scale of the DXF drawing will appear as shown in Figure 4 DXF Scale 3D r Model Dimensions Pe E fT EG Cancel eae i ee Figure 4 3D DXF Scale As with the Guide Layer window the section Scale defines the units and scale that will be used for the imported DXF data Again select between Metric or English units or custom scaling by choosing the Other option and entering the scale factor in the associated text box Model Dimensions displays the overall extents of the imported DXF data in the selected units and should give you a good indication about whether the chosen scale factor is roughly correct pro Bose com Y Modeler Importing DXF Files How to center a 2D Guide Layer or a 3D model As described for the Guide Layer window it is in general advisable to adjust the offset of the imported drawing This section describes an easy to use method to exactly center the room model and if applicable the two dimensional Guide Layer around a user defined location within the room model Starting with version 6 6 Bose Modeler software offers an option to center model and Guide Layer around the location of any of the following room model items e a vertex of any surface in the model e aloudspeaker or e a listener For the purpose described in this section we recommend to utilize the first option of centering the model and Guide Layer around the vertex of
25. ttings Show Float Copy Grid Center Vertex X amp Listeners Properties 6 Acoustics H Playlist Figure 11 Center Vertex function Both the model surface s and the Guide Layer content will now be moved such that the chosen vertex coincides precisely with the Modeler software coordinate system origin as seen in the figure below Description Material Total Absorption Type Floor Audience Unocec Reflection Specular Area Color Index Size Offset 0 000 0 000 3623 14 240 D000 amp Listeners Properties Ft EQ Figure 12 Centered Guide Layer and model Note precise midpoint placement pro Bose com Modeler MUGE Importing DXF Files NOTE The Center Vertex functionality is only available in the Properties Tab within the Detail Window i e Not via the Properties in the right click menu With 3D DXF models the concept of centering around a surface s vertex is identical to the method above Nonetheless all issues related to snapping to the Guide Layer are not applicable simply because there is no Guide Layer in use Thus all subsequent centering is applied to the model only You may either center around any vertex of any surface that was imported with the 3D model or you may chose to insert a helper surface in case you don t have a vertex available in the desired location You may also place a listener or loudspeaker at the desired locati
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