How to hide/unhide objects:
For example, you load all the objects (Import as objects – select all), you will noticed that the first you can see is the sky. Usually sky and clouds not need to be modified (“usually”), so is better to hide, to see the other objects. You can click on the object to hide with right button, and press hide “name of the object”. I usually hide sky, clouds and skyboxi (horizon). Then you can see the entire track with all the objects except the objects that you hide. If you want to unhide, you can go to display – object filter – and select the object in the list, and then click on select by tag – switch on – off. Also you can select all and hide all or view all. About the view/zoom, the 3rd button of the mouse (wheel button) will zoom in – out. If you want a detailed view of a particular object, make double click with left button where you want detailed zoom and then wheel mouse to zoom in – out.
Move 3d object:
You can move 3d objects when you see all the objects, and is better than import a only object to move. Why? Becuase you can see where the object is moved in relation with the other objects. if you want to move a particular object (highly recommendable), you need to select it with right click button and then select edit “name of the object”. You will see a new box with more options: In the upper part in the left of this new box, you can rotate the view (not the object), and make different types of zoom. It requires some practices to use correctly. In the Position options, is where you can modify the position of the objects (move it) in the three axes (x: [+ left – right], y: [+ front – back], z: [+ up – down]). So if you want to move an object to the left, you must increase the x value, to move to the right you must decrease the x value. If you want to move front an object, you must increase y value and decrease to move back. And you must increase z value to move up the object and decrease to move down. You can type the values in the box of each axe, or moving little a little with the arrows at the side of the values. It need some practices to use correctly. Of course any modification ends with pressing the update and/or OK button to make the changes.
Rotate 3d objects:
To rotate objects is more complicated. You can rotate as the same way as move in the same box as move positions: yaw, rotation in x axe, roll, rotation in y axe, and pitch, rotation in z axe. But I don’t recommend this method to rotate. Why? because the pivot point of the rotation will be the center of the track (where all 3 axes crosses each one), and we need to rotate using the center of the object. How to do this without die trying? Is not very difficult: First we import the object alone to not avoid any undesired rotation. Second, once imported we need to select it as right click in the object, then we choose memorize x,y,z. This copy to cliboard the exact coordenates of the object. Then to rotate the object, the object must be centered, so we click edit – center model. This will put the object in the coordinates 0,0,0, with the actual orientation. Don’t worry, no problem with it. We select edit again, but now we select rotate (remember rotation: yaw, rotation in x axe, roll, rotation in y axe, and pitch, rotation in z axe). So if you want to rotate object 180
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