In Mission 3 of the Apocalypse Trigger you’ll use Raster tools to convert data from an old map of Fort Laramie to real AutoCAD objects.
The first step is to convert the color map to a bitonal image using the Histogram tool. The image will be displayed as white pixels on a black background so you’ll use the Invert tool to change it to black pixels on a white background.
Since the imagewas originally scanned from an old map, it has a lot of extra pixels and smudges. You’ll use the Despeckel and Touchup tools to clean it up and then use the OCR (Optical Character Recognition) tool to convert some of the raster text to AutoCAD text, taking advantage of the ability to recognize different languages.
Some of the text is in Spanish. To help translate, you’ll install a free translation app that you can install and use directly from within AutoCAD 2013.
Finally, you’ll convert raster geometry representing one of the buildings to AutoCAD geometry. With the necessary geometry converted, you use it to create a 3D model of the building.
A variety of 3D solid modeling tools enable you to create the main building model. To add more detail, and save time, you’ll install the free SketchUp import app. You can search the SketchUp warehouse for free models that you download and insert directly into your AutoCAD model. You’ll insert a column for the porch and then use the associative array functionality in AutoCAD 2013 to create two levels of columns.
The first step is to convert the color map to a bitonal image using the Histogram tool. The image will be displayed as white pixels on a black background so you’ll use the Invert tool to change it to black pixels on a white background.
Since the imagewas originally scanned from an old map, it has a lot of extra pixels and smudges. You’ll use the Despeckel and Touchup tools to clean it up and then use the OCR (Optical Character Recognition) tool to convert some of the raster text to AutoCAD text, taking advantage of the ability to recognize different languages.
Some of the text is in Spanish. To help translate, you’ll install a free translation app that you can install and use directly from within AutoCAD 2013.
Finally, you’ll convert raster geometry representing one of the buildings to AutoCAD geometry. With the necessary geometry converted, you use it to create a 3D model of the building.
A variety of 3D solid modeling tools enable you to create the main building model. To add more detail, and save time, you’ll install the free SketchUp import app. You can search the SketchUp warehouse for free models that you download and insert directly into your AutoCAD model. You’ll insert a column for the porch and then use the associative array functionality in AutoCAD 2013 to create two levels of columns.
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