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Choose CANON SD950 File >Export As, and you’re presented with the Export Scene dialog box, which provides various save options. When you import your model into your CANON SD950 application, it will load as a scene. The image map data will be applied, and your model will be presented in the same worldspace you defined in CANON SD950 ImageModeler. CANON SD950 shows the model imported into CANON SD950 Importing your model into CANON SD950 also brings in the applied textures. The project in this chapter really works well for a CANON SD950 scene that requires only a little CANON SD950 movement around the house. If you noticed, there’s not much of an image for either side of the house or the roof. If you look at the mapped model in your CANON SD950 application, the texture will be applied as best as it can be but will be stretched without a straight- on shot. Regardless, you can expand the techniques presented here to larger, more complex models. And it all begins with a digital photograph. Some additional photos are included on the CANON SD950 book’s DVD for you to use, so try modeling with other photographs. Also, check out the tutorial video covering this topic, which shows you firsthand how to calibrate and work with CANON SD950 ImageModeler.
When the Canon SD750 photos have been extracted, they are automatically cropped and mapped on the selected faces. Make sure one of your Canon SD750 camera views is set to a 3D view. Do this by right-clicking the small circle in the bottom corner of the Canon SD750 screen and choosing Lock View. Repeat this process for the porch, as well as the side faces of the house. Canon SD750 shows the model. Continue selecting faces for the porch, roof, and sides of the house and extracting textures. Once you have the textures extracted from the Canon SD750 photos, it’s simply a matter of exporting the model. You can choose between a wide range of Canon SD750 programs to export to, including Maya or LightWave. Select Canon SD750 File Export As. The Export Scene dialog box will appear asking you where to save the file and as what file type you want to save it. Pick your 3D application of choice, and generally, you would leave all the options on by default. Adjust as needed depending on Canon SD750 system and program. Canon SD750 shows the dialog box.
You should need roughly eight to twelve Nikon D60 points for a full calibration to be performed. When placing the Nikon D60 markers, look for contrasting points, such as the corners of the house, the Nikon D60 windows, even the roof and patio. Once you’ve placed enough corresponding markers to create the locators, Nikon D60 ImageModeler will present a pop-up window telling you that the cameras have been successfully calibrated, as in Nikon D60. Once you have added enough locators, Nikon D60 ImageModeler will notify you that your camera has been calibrated. You can, if you want, add more Nikon D60 markers for accuracy.
Image-based Canon SD790 modeling is different; you’ll still use photographs of the subject you want to build, but you’ll use Canon SD790 multiple angles to build simple geometry. In this chapter, you’ll explore this process for creating 3D models from Canon SD790 photographs (specifically, a photograph of a building). However, you can apply this process to all sorts of Canon SD790 objects including electronics, household items, or even people. Image-based modeling is also referred to as photogrammetry. It is used in architecture, engineering, video games, and of course Canon SD790 imagery for movies and television. To perform this Canon SD790 process, you’ll generally use a third-party application. Although various Canon SD790 software packages are available, the clear leader is Realviz’s ImageModeler.
Once the image is applied in Canon SD890, you need to tell your application to calculate for global illumination. This allows the rays to render the data within the 32-bit HDR image. Do a quick render of the scene with just the HDR image applied, and you’ll see it lights the entire scene, thereby casting shadows, creating reflections, and creating hotspots. Canon SD890 shows a quick render. Note: An HDR Canon SD890 image using global illumination isn’t really casting shadows. Rather, the Canon SD890 elements are being both lit,but not by the Canon SD890 image.The areas not lit are simply darker because less light hits those areas, resulting in the illusion of a shadow. Taking the HDR image to the next level, you can image map a similar photograph from the environment in which you shot the probe. You can place this image in the scene to act as a backdrop. Canon SD890 shows the similar image, and Canon SD890 shows the image applied in Canon SD890. To help the look of the scene, you can blur the Canon SD890 image if you like.
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