Editing DSP
From BRL-CAD
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Example 1. | Example 1. | ||
− | In | + | In mged create a dsp object of width 142, length 150, no interpolation, cut direction 'ad', cell size 1 (in current units), and unit elevation 0.005 (in current units): |
mged> in dsp1.s dsp f Ex1.dsp 142 150 0 ad 1 0.005 | mged> in dsp1.s dsp f Ex1.dsp 142 150 0 ad 1 0.005 | ||
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(The TGM creation is left as an exercise for the reader.) | (The TGM creation is left as an exercise for the reader.) | ||
− | === A practical example | + | === A practical example [UNDER CONSTRUCTION] === |
Now let's consider a more practical example and a real test of BRL-CAD. We can import topological (topo) data and produce a realistic ground surface. There are many free sources of such data, but these, for US topo data, seem to be the most likely: | Now let's consider a more practical example and a real test of BRL-CAD. We can import topological (topo) data and produce a realistic ground surface. There are many free sources of such data, but these, for US topo data, seem to be the most likely: | ||
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$ sdtsdem2asc 3814CATD.DDF --base=3818122 --chop | $ sdtsdem2asc 3814CATD.DDF --base=3818122 --chop | ||
− | The resulting default png file | + | The resulting default png file is shown below. |
− | [[Image:381822-az35- | + | [[Image:381822-az35-el45.png]] |