Exercise 1 – Creating a Drawing
4.8 Hull Model Draw Codes
The detail at which the model is displayed in the workspace can be controlled by the model draw code for example.
To change the model draw codes select Tools > Preferences…
The draw codes can be changed by accessing the tree on the right of the property sheet.
When adding a model view the new settings will take effect.
When exchanging a model view or an individual element select 2 Defaults in the form to apply the changes in relation to the Model Draw Code settings.Low level of detail (Only basic material is
shown)
High level of detail (Plates, profiles, cutouts, clips are
displayed)
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4.9 Validate
Validate is used to track and optionally exchange all "out-of-date" models in the current drawing. The validation tool will also track and optionally remove all models in the drawing that are not found in the data bank.
Select Tools > Model View > Validate from the application pull-down menu.
The system prompts the user to indicate a model view to validate. The user can validate all the views in the current drawing by clicking All. The Validate Model View form is displayed with a list of possible out-of-date models. The user can choose what to exchange or, if preferred, select All of the models in the list.
If the user chooses a single element and clicks the OK button to exchange that element. The list will be updated with the previously selected item removed allowing the user to repeat the procedure.
Click (Operation Complete) to complete the procedure.
If there are no models in the indicated view that are possibly out of date, the system displays the Information alert message: 'All models in the model view(s) are valid' as shown.
4.10 Creating a Symbolic View
To create a Symbolic View a drawing must be active in the Marine Drafting session.
Select Symbolic View > Planar Hull View > Section… from the application pull-down menu.
Curved Hull views are covered in more detail in training guide TM-2104 Hull Detailed Design- Interactive Curved Hull Modelling.The resulting menu is made up of five separate tabs, Plane, Limits, Select, Outfit and Misc.
4.10.1 The Plane Tab
Name: Assign a name to the view. The name used should be unique within the drawing.
It is important that a name assigned to an existing object is not used as the name of the view. Therefore never use a drawing name, a panel name or a block name as the name of a view.The views will automatically be give unique names when opening the form, for all exercises the default names will be used.
Scale 1: Controls the scale of the text and symbols in the resultant view.
This value does not control the overall scale of the resultant view this should be manipulated by the use of the transform sub-picture function.4.10.1.1 Plane Options
X - The resulting view will be a transverse section, typically on a frame. If this option is activated the X: Origin field will become active, enter the desired value i.e. FR121 for a section at frame 121.
Y - The resulting view will be a longitudinal elevation. If this option is activated the Y: Origin field will become active and the desired value should be entered i.e. LP0 for an elevation on centreline.
Z - The resulting view will be a plan view. If this option is activated the Z: Origin field will become active and the desired value should be entered i.e. 7000 for a plan view at 7000 above base.
3 Points - The plane of the resulting view will be defined by three points. If this option is activated all 9 fields will become active and the user should define an Origin, U-axis and V-axis by giving an X, Y and Z value for each. This option is used to define non-orthogonal views.
Panel - The plane of the resulting view will be defined by an existing panel. If this option is activated the Name: field will become active and the name of the desired panel should be entered. If the panel to be used for the plane is the starboard instance of a reflected panel then the Reflect check box should be checked. The Name: field will default to Panel, which means the plane for the plates in the main panel will be used to define the view. However it is possible to select a particular
Bracket, Stiffener or Flange to further define the view. If one of these options is selected the relevant Component No: should also be added so the system knows which Bracket, Stiffener or Flange to use to define the view. The Only Current Panel check box should be checked if the user desired only the named panel to appear in the resulting view.
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Curve - The plane of the resulting view will be defined by an existing Hull curve. If this option is activated the Name: field will become active and the name of the desired curve should be entered.
RSO - The plane of the resulting view will be defined by an existing Reference Surface Object. If this option is activated the Name: field will become active and the name of the desired RSO should be entered.
RSO (Reference Surface Objects) are created in Initial Design and are used to definecompartmentation for the vessel to be used in Naval Architecture Calculations, additional RSO’s can also be defined in the hull applications.
Looking: For: The resulting view will look from Aft Fore
Aft: The resulting view will look from Fore Aft PS: The resulting view will look from Starboard Port SB: The resulting view will look from Port Starboard Top: The resulting view will look from Bottom Top Bot: The resulting view will look from Top Bottom The Symbolic View default directions for views are as follows:
Sections - Looking aft
Plans - Looking down
Elevations - Looking to port
Pick: If the current drawing already contains views then it is possible to select one of these and the system will fill out the fields in the form to match those used to create the selected view. After the form has been populated it is possible to change the view name and create a new view using the selected views values. To get values from an existing view click the Pick button. The system will prompt ‘Indicate view’. Use the cursor to indicate the desired view in the drawing. The system will return to the Create View form having filled in the fields with the values from the indicated view.
Replace Existing View: If this check box is checked the system will replace an existing view instead of creating a new one. If the Pick button has been used the system will automatically replace the view previously selected when the form is submitted. If the Pick button was not used the system will prompt the user to select a view to be replaced.
4.10.2 The Limits Tab
Limits: Defines the extents of the resulting view. If all fields are left blank the resulting view will have the maximum extents.
If a plan view (Z plane) or section (X plane) is being created it is possible to click the Portside or Starboard buttons and limit the view to that particular side of the ship. These buttons are not applicable to elevations.
The Any button will return the form so the full ship is included in the view, i.e. both Port and Starboard.
Depth:
Define the depth of the view before and behind the view plane. This is also relevant for any Outfitting elements that maybe included in the view.
The selection of the View Type is important for Outfitting in order for the slice to be successful at the Depth values provided. The Wireline and Wireline Hidden Line options should not be used.The Restriction check box is available when a restricted view is being used. When checked the view retains any restrictions placed on it. If unchecked the view reverts back to the original unrestricted view state.
4.10.3 The Select Tab
Design View:
The resulting view will be based on the design structure of the model i.e. Blocks, Panels, Shell profiles, Seams and Butts, etc.
Selecting this option will result in all fields in the Shell and Planar menus remaining active, while the Assemblies field will remain inactive.
Assembly View:
The resulting view will be based on the assembly structure of the model. Selecting this option will result in all fields in the Shell and Planar menus becoming inactive, while the Assemblies field will become active.
GA View: changes the presentation of RSO‟s in the view.
4.10.3.1 Shell Options
Curve:
Existing: If a curve has already been created and stored (using the project defined prefix) at the exact plane of the view to be created then the system will use this curve in the resulting view.
By Name: If this option is selected the Name field will be activated and the name of any previously stored curve can be given. This curve will then be used in the resulting view.
Cut: The system will cut a new curve in the plane of the view to be created.
None: No hull curves will be in the resulting view.
Seams: If this check box is checked the system will automatically add any seams/butts crossing the plane of the resulting view.
Profiles: If this check box is checked the system will automatically add any shell profiles crossing the plane of the resulting view or in the plane of the resulting view.
Shell thickness: If this check box is checked the system will show the thickness of shell plates as two lines.
4.10.3.2 Planar Options
Automatic Selection: If this check box is checked the system will automatically add all relevant planar panels to the resulting view.
Draw Planeviews: If this check box is checked the system will display planar panels lying in the same plane as the resulting view. If the box is not checked the system will omit these panels from the view.
Draw RSO‟s: If this box is checked the system will automatically add all relevant Reference Surface Objects to the resulting view.
Draw as Plate: Controls the behaviour of the system when interactive selections are made in the resulting view. If this radio button is on the system will ignore any sub-components in a plate, e.g. if a hole was indicated the system would ignore the hole and highlight the plate it belonged to. If this button is off the system works at the lowest level component and will therefore recognise holes, cutouts, notches, etc.
Draw as Panels: Controls the behaviour of the system when interactive selections are made in the resulting view. If this radio button is on the system will ignore any sub-components in a panel, e.g. if a plate was indicated the system would ignore the plate and highlight the panel it belonged to. If this button is off the
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Draw as Blocks: Controls the behaviour of the system when interactive selections are made in the resulting view. If this radio button is on the system will ignore any sub-components in a block, e.g. if a panel was indicated the system would ignore the panel and highlight the block it belonged to. If this button is off the system works at the lowest level component and will therefore recognise Panels, plates, stiffeners, brackets.
Draw Intersections: If this check box is checked the system will display all planar panels crossing the plane of the resulting view. If the box is not checked the system will omit these panels from the resulting view.
Blocks: Key in the name of a specific Block to be included in the view. Check the Exclude check box to omit a Block from the view.
Panels: Key in the name of a specific Panel to be included in the view. Check the Exclude check box to omit a Panel from the view.
Assemblies: Key in name of assembly. This is only relevant for the Assembly View option.
4.10.4 The Outfit Tab
Check element types to be included in view
The Before/Behind Depth values set on the Limits tab will be applied if View Type is not set to Wireline or Wireline Hidden Line.4.10.5 The Misc Tab
Used to display a co-ordinate axis.
Axis position may be selected from the drop down list.
Click the Properties button to display the View Properties form which is applied to the elements selected on the Outfit tab.