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- 3D View, navigation, setting up.
- Edit Views, navigation. Loading of background images. Image sizes.

       The 3D View is the bottom-right view by default. When you start the program the view is disabled and has a white background. It will automatically activate when any 3D mesh will appear in the scene. Create a selftest object of Z letter by pressing CTRL-SHIFT-Z: the 3D View have been activated.
      Of cause you need to navigate this view: changing of viewpoint and direction. All the navigation in 3D view is performed by the mouse with left or right mouse button holded down and (if neccessary) holding the CTRL or SHIFT hey. Here the full description of possible navigations:

Navigation

How to perform it

Changing the eyepoint position

      Click the left mouse button in the view and hold it. By moving the mouse left or right you will rotate the eyepoint in horizontal plane.
      By moving the mouse up adn down you will rotate the eyepoint in vertical plane.

Changing the target point of the viewer.

      Click the left mouse button in the view and hold it and the SHIFT key move the mouse slowly. By moving it left, right, up or down you will turn the target point into according direction.

Zooming IN and OUT.

      Click the right mouse button in the view and hold it. By moving he mouse up or down you will Zoom IN and OUT.

Changing the FOV (or perspective).

      To change the perspective click the right mouse button in the view and hold it. By moving the mouse up or down you will increase and decrease the perspective.

Rolling the camera.

      Click the right mouse button in the view and hold it. By moving he mouse left or right you will lean (or roll) camera left or right.

Moving the camera along the view direction forward and backward.

      Click in the view and press the UP or DOWN arrow keys to move the viewer forward or backward.

Turning the view direction left or right.

      Click in the view and press the LEFT or RIGHT arrow keys to turn the view direction left or right.


      Setting the view up.
      All settings concerned to the 3D view is in the main menu in Options.../3D View... submenu:
Select Device... shows a dialog box for selecting Direct3D device.
Force Software checkmark forces Modeler to use ONLY software device. Use it if you have some problems runing you 3D Accelerated hardware device.
Shade, Fill mode: Wire checkmark switches 3D view to wireframe rendering.
Shade, Fill mode: Solid checkmark switches 3D view to solid shading rendering.
Build time... While Action checkmark switches 3D view updation into while-action mode. That means, that 3D view will update during an action (like move, rotate)
Build time... After Action checkmark switches 3D view updation into after-action mode. That means, that 3D view will update after you perform any action.
Custom Settings... were described in Configurate 3D topic.
      Try these features to understand their meaning. Also this settings can accelerate the 3DView and slows it down, thus you can adjust it for the best performance:
      Left to right:
1) Solid shading, no ZBuffer, no Specular highlighting.
2) Solid shading with ZBuffer and Specular highlighting.
3) Wireframe, no ZBuffer, no Specular highlighting.
4) Wireframe with ZBuffer and Specular highlighting.

      There are three edit views where you can edit the objects of the scene. They are: front, side and top views. You can edit the mesh in one view only at the time. This view is called active and drawed with the blue boundary rectangle, like on the image:
      The active view on the image is Front view. The active view has also a dark color of title while inactive view hasn't any boundary rectangle and light color of title.
      Note also, that there is a small rectangle with line in the active view in the upper-left corner. This is a pointer to the (0,0,0) point. The point where the darkest grid lines are crossed. Also with a right mouse button click on this rectangle you can adjust this view.
      To switch active view you can click in the view you want to activate or use F6, SHIFT+F6 keys to consequentally switch the active view. Note that 3D View hasn't neither title nor boundary.
      The navigaion in the views is provided by Views toolbar with the following tools: Zoom, Pan and Fit:
      The Zoom tool zooms view IN and OUT. To ZoomIN hold SHIFT while pressing the left mouse button, to ZoomOUT - hold CTRL. You can also hold left mouse butoon and drag the rectangle to be zoomed. Also you can use + and - keys for Zooming.
      The Pan tool scrolls the active view. You can simply hold left mouse button and drag to scroll the view. Also you can scroll the view by pressing the arrow keys, but some modificators can override it like Move modificator does.
      The Fit tool fits into the view the active object (or All the scene if you hold down the SHIFT key).
      Another thing that edit views support is loading of a background images. To load the background image activate the view and right-click on the rectangle in the upper-left corner of the view. Then choose Load Image... and select the file.
      Modeler supports loading of 256 colors bitmap images. Also the image is placed in the center of the view an its' position and scale can not be changed. The scale factor is 128 pixels per 1.0 Modeler unit.
      To unload the image you can choose UnLoad Image in the same pop-up menu.

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