Like other model contents, dimensions can be obscured by other objects in front of them, can be seen edge on so they effectively vanish, and so on. This situation is even more complicated in 3D than in 2D because the camera can orbit around the model interactively, even after everything is drawn. But until you modify the model they are ok once placed. There is some art required to place dimensions for best use by humans. In 2D, you have to deal with issues such as dimensions placing atop other dimensions or objects and clutter from too many redundant dimensions (when multiple parts are the same size). That is, their usefulness and intelligibility is influenced by where they are placed in a drawing. Finally, set the distance in the Size box to get the image resized.A few (admittedly negative) thoughts about automatic dimensioning:ĭimensions are subject to what I once heard called “secondary notation”. Attach a dimension object to two points in the image with a known distance between them. For example, you have imported a floor plan and wish to place objects over it. This feature can be effectively used to properly scale images placed in the 2D Plan view. Tick the Affect underlying objects option. To resize an object, snap a dimension object to it, or place the handles at points on the object. Note that if a handle is placed over several objects, the top one will be moved. In most cases, dimension object handles can be placed just over the objects without snapping. Then type the new distance into the Size box in the Inspector. Set the Affect underlying objects check box. If you only need one of the windows to move, choose the corresponding option near the Size edit box. To set the distance between two objects, such as windows, snap the handles of a dimension object to the handles of the windows. You can also select whether the text should be placed above or below the dimension line.ġ1 – The color of the text. This and the following options are helpful to prevent overlapping the extension lines with other elements of your drawing.Ħ – Change the length of the extension lines.ħ – Show either arrows or ticks at the ends of dimension objects.Ĩ – Choose what information to display: Size, Note (which is your own text) or both. You can also change it by dragging the middle handle of the dimension object.ĥ – Show or hide the extension lines. See Setting the distance between the objects for details.Ĥ – The offset of the value in the drawing. When you change the length, the position of one of the object's handles can be fixed depending on option 1.ģ – This option allows the dimension tool to relocate or resize objects that it is attached to. That additional arrow is displayed only when the Affect underlying objects check box is on.Ģ – The length of a dimension object. This option has no effect when you drag a handle with the mouse. An end which will move will be indicated by an additional blue arrow (as shown on the right-hand side in the picture). Most of the properties can be found in the Object Properties tab of the Inspector.ġ – Choose whether one or the two ends should relocate when you change the Size in the Inspector. This command adds auto dimensions on all stories at once. The Insert > Insert Auto Dimensions menu command lets you display the length of the walls on your floor plan automatically. When several dimension objects are selected, the Information bar displays their total length. The font size remains the same when you choose another scale in the Project Settings dialog. To change the font, size or color of the text, use the 2D Properties tab of the Inspector. To hide the measurement units on the floor plan, use the Suppress Units option in the dialog. You can change the measurement units in the Project Settings dialog. The same measurement units are used everywhere in the app including dimensions. You may sometimes need to zoom in to snap a handle of a dimension object properly. Once snapped, the dimension object will update its value when you move one of those objects. These handles can be snapped to the object's frame or handles. The handles on the ends define the distance to be measured. The middle handle lets you adjust the distance between the numeric value and an object that you are measuring. The dimension object has three handles when it is selected.
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