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Add scaling to height maps

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Elod Csirmaz 2024-12-08 00:43:46 +00:00
parent a28b85cca5
commit ebf2a39704
1 changed files with 8 additions and 4 deletions
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polyhedron.html
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@ -142,13 +142,15 @@ Nonplanar faces will be triangulated by OpenSCAD.</p>
return cls(points=point_list, faces=faces, convexity=convexity)
@classmethod
def from_heightmap(cls, heights: List[List[float]], base: float = 0., convexity: int = 10):
def from_heightmap(cls, heights: List[List[float]], base: float = 0., step_x: float = 1., step_y: float = 1., convexity: int = 10):
&#34;&#34;&#34;Construct a polyhedron from a 2D matrix of heights. If the height at [0,0] is Z, it maps
to the point (0, 0, Z).
Arguments:
- heights: The 2D matrix of heights
- base: The height at which the base will be - in the scale of heights (optional; default 0)
- step_x: The X coordinate becomes `step_x * index_x` (default 1)
- step_y: The Y coordinate becomes `step_y * index_y` (default 1)
- convexity: see OpenSCAD
&#34;&#34;&#34;
rows = len(heights)
@ -158,8 +160,8 @@ Nonplanar faces will be triangulated by OpenSCAD.</p>
bottom_point_map = {}
for row_ix, row in enumerate(heights):
for col_ix, height in enumerate(row):
point = Point([row_ix, col_ix, height])
bottom_point = Point([row_ix, col_ix, base])
point = Point([row_ix*step_x, col_ix*step_y, height])
bottom_point = Point([row_ix*step_x, col_ix*step_y, base])
point_map[(row_ix, col_ix)] = len(point_list)
point_list.append(point)
@ -291,7 +293,7 @@ Nonplanar faces will be triangulated by OpenSCAD.</p>
<h3>Static methods</h3>
<dl>
<dt id="openscad_py.polyhedron.Polyhedron.from_heightmap"><code class="name flex">
<span>def <span class="ident">from_heightmap</span></span>(<span>heights: List[List[float]], base: float = 0.0, convexity: int = 10)</span>
<span>def <span class="ident">from_heightmap</span></span>(<span>heights: List[List[float]],<br>base: float = 0.0,<br>step_x: float = 1.0,<br>step_y: float = 1.0,<br>convexity: int = 10)</span>
</code></dt>
<dd>
<div class="desc"><p>Construct a polyhedron from a 2D matrix of heights. If the height at [0,0] is Z, it maps
@ -300,6 +302,8 @@ to the point (0, 0, Z).</p>
<ul>
<li>heights: The 2D matrix of heights</li>
<li>base: The height at which the base will be - in the scale of heights (optional; default 0)</li>
<li>step_x: The X coordinate becomes <code>step_x * index_x</code> (default 1)</li>
<li>step_y: The Y coordinate becomes <code>step_y * index_y</code> (default 1)</li>
<li>convexity: see OpenSCAD</li>
</ul></div>
</dd>