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    Wednesday, December 31, 2014

    Create a 3D environment From a Photo Step by Step - 3ds Max

    3ds Max  tutorials

    In this tutorial we are going to use 3ds Max to create a 3d environment from a photo. This is often used for Visual FX and matte painting.

    Step 1

    Scene Setup:
    Open the image in photoshop, go to filter \ distort \ lens correction and use the vertical perspective to straighten the vertical lines.

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 1
    Step 2:
    To create a camera match in Max, we are going to take some measurements with photoshop using the vanishing point tool.
    Go to filters> vanishing Point. Create two planes for the house on the left (front and side), then you can start measuring. 

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 2

    Step 3

    Note: We will need to use a virtual viewport in Max and to do that 3ds max needs to run in openGL . You can change the driver in the start menu> autodesk> 3ds Max> change graphics mode, or inside 3ds Max, Customize> preferences, and in the viewports Tab click in “choose driver”. Restart Max.
    -----------------------------------------------------------------------------------------------------------------
    In 3ds Max, press “8” to open the environment window. Click in the environment map slot, choose bitmap and browse for lens corrected image. With the perspective viewport selected press Alt+B to open the Viewport Background dialog box, activate “use environment background” checkbox . activate “display background” , Click OK.

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 3
    Step 4
    Press F10 to open the “Render Setup” dialog box, and change the width and height to match the image file properties.

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 4
    Step 5

    Creating the camera:

    -With the measures taken in photoshop, we can create a box in max that will help us with the camera match process. Create a box with: length= 490cm width= 900cm height= 625 cm.
    Using snap to vertex, create camera point helpers on the visible corners of the box : create>helpers>camera point. This six camera points will give us the camera angle and lens we will work with. To create that camera, go to the utilities panel and click in “camera match”, now assign a position in the image background corresponding to the selected camera point. When done, click “create camera”.
    Apply a camera correction modifier to the camera if needed, to make small perspective corrections.

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 5
    Step 6

    Blocking the scene:

    On the top viewport, create a ground plane and another box for the structure on the right (length=1000cm \ 3 segs; width= 270cm \ 2 segs; height 195cm \ 1 segs).

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 6
    Step 7
    Apply an Edit Poly modifier to the last box you have created, select the top> center polygons and extrude them.

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 7
    Step 8
    Select the top > center edges, and move them up to shape the roof.
    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 8
    Step 9
    Select the roof polygons and extrude them using local normals.
    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 9
    Step 10
    Create a few more extrusions to create the roof, there is no need to create too much detail. At this point, you may want to zoom the camera view to make some adjustments so your modeling matches the photo. To do that you need to use the virtual viewport (you can only access the virtual viewport by using OpenGL, doesn’t work with direct 3D or Nitrous). To use the virtual viewport, select the camera view and go to views> viewport configuration, in the regions Tab you can activate the virtual viewport and change zoom settings.

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 10
    Step 11
    Adjust the vertices to shape the left building.
    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 11
    Step 12
    add some detail to the scene by adding more objects.
    Create a box for the chimney (adjust by moving vertices)
    Repeat the process to add the detail and depth to some objects in the scene.
    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 12
    Step 13
    For the debris on the right of our scene, I used planes and shaped them by moving vertices.
    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 13
    Step 14
    The terrain it’s not flat, make some adjustments to the ground plane and left building height to follow the terrain angle.
    step 14
    Step 15
    Create a sphere (the use of hemisphere is not mandatory), for the remaining environment and apply a normal modifier.
    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 15
    Step 16

    Material:

    The material is quite simple. With standard material, turn self illumination to 100%, apply a “camera map per pixel” map to the diffuse slot. Choose the camera we created with camera match and the image we used as background.
    Apply this material to all objects in the scene.

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 16
    Step 17

    Animation:

    Select the camera, click with the right mouse button and clone (choose copy, not instance). Select the new camera, activate “auto key”, move the time slider to the 100th frame and move the camera to the final position. There are limitations to the camera movement due to the texture distortion. Make some test renders to check the distortion.

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 17
    Step 18

    Render the animation !


    Final notes:
    If you render by layers you can have more control over the final shot.
    Don’t save your render to a movie file, save it as an image sequence. It’s better to edit and can save you lots of time if something goes wrong with the render.
    Keep the original aspect ratio of the photo when rendering.

    Create a 3D environment From a Photo Step by Step - 3ds Max
    step 18
    Step 19

    Have fun animating your photos, and creating new 3D environments!

    Create a 3D environment From a Photo Step by Step - 3ds Max
    Final result 


    Result:



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    Architecture Design

    Architecture Design was founded in october 2014 with the mission of delivering the most complete information to architects around the world; every week, every day, every hour, every moment: as soon as it is happening, Professional in Sketchup, 3dsmax, 3d modeling, Vray Sketchup and also photoshope Post-processing

    Website: Architecture Design

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