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doc fix

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Adrian Mariano 2024-04-01 23:10:07 -04:00
parent bd81d4c251
commit 1d7e1b4a2a
1 changed files with 4 additions and 4 deletions
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@ -2806,7 +2806,7 @@ function associate_vertices(polygons, split, curpoly=0) =
// are based on rectangular tiling, this means adding textures to curved shapes may result in distortion of the basic texture unit. For example, if you // are based on rectangular tiling, this means adding textures to curved shapes may result in distortion of the basic texture unit. For example, if you
// texture a cone, the scale of the texture will be larger at the wide end of the cone and smaller at the narrower end of the cone. // texture a cone, the scale of the texture will be larger at the wide end of the cone and smaller at the narrower end of the cone.
// . // .
// You can specify a texture using to method: a height field or a VNF. For each method you also must specify the scale of the texture, which // You can specify a texture using two methods: a height field or a VNF. For each method you also must specify the scale of the texture, which
// gives the size of the rectangular unit in your object that will correspond to one texture tile. Note that this scale does not preserve // gives the size of the rectangular unit in your object that will correspond to one texture tile. Note that this scale does not preserve
// aspect ratio: you can stretch the texture as desired. // aspect ratio: you can stretch the texture as desired.
// Subsection: Height Field Texture Maps // Subsection: Height Field Texture Maps
@ -2959,10 +2959,10 @@ function associate_vertices(polygons, split, curpoly=0) =
// extra points can be introduced in the interior of faces leading to unexpected irregularities in the textures, which appear // extra points can be introduced in the interior of faces leading to unexpected irregularities in the textures, which appear
// as extra triangles. These artifacts can be minimized by making the VNF texture's faces as large as possible rather than using // as extra triangles. These artifacts can be minimized by making the VNF texture's faces as large as possible rather than using
// a triangulated VNF, but depending on the specific VNF texture, it may be impossible to entirely eliminate them. // a triangulated VNF, but depending on the specific VNF texture, it may be impossible to entirely eliminate them.
// Figure(3D,Big,NoAxes,VPR=[140.9,0,345.7],VPT=[9.48289,-0.88709,5.7837],VPD=39.5401): The left shows a normal bricks_vnf texture. The right shows a texture that was first passed through {{vnf_triangulate()}}. Note the extra triangle artifacts visible across the brick faces. // Figure(3D,Big,NoAxes,VPR=[140.9,0,345.7],VPT=[9.48289,-0.88709,5.7837],VPD=39.5401): The left shows a normal bricks_vnf texture. The right shows a texture that was first passed through {{vnf_triangulate()}}. Note the extra triangle artifacts visible at the ends on the brick faces.
// tex = texture("bricks_vnf"); // tex = texture("bricks_vnf");
// cyl(d=10,h=15,texture=tex, tex_reps=[4,2],tex_samples=5); // cyl(d=10,h=15,texture=tex, tex_reps=[4,2],tex_samples=5,rounding=2);
// up(7)fwd(-3)right(15)cyl(d=10,h=15,texture=vnf_triangulate(tex), tex_reps=[4,2],tex_samples=5); // up(7)fwd(-3)right(15)cyl(d=10,h=15,texture=vnf_triangulate(tex), tex_reps=[4,2],tex_samples=5,rounding=2);
// Function: texture() // Function: texture()