Improvements for MarlinMesh.scad
This commit is contained in:
Scott Lahteine
parent
1d609d2bbd
commit
f7d663c7db
1 changed files with 104 additions and 56 deletions
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@ -10,17 +10,13 @@
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* *
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\**************************************/
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//$t = 0.15; // comment out during animation
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$t = 0.15; // comment out during animation!
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X = 0; Y = 1;
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L = 0; R = 1; F = 2; B = 3;
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//
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// Mesh info and points
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// Sample Mesh - Replace with your own
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//
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mesh_width = 200; // X Size in mm of the probed area
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mesh_height = 200; // Y Size...
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zprobe_offset = 0; // Added to the points
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NAN = 0; // Z to use for un-measured points
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measured_z = [
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[ -1.20, -1.13, -1.09, -1.03, -1.19 ],
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[ -1.16, -1.25, -1.27, -1.25, -1.08 ],
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@ -29,6 +25,28 @@ measured_z = [
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[ -1.13, -0.99, -1.03, -1.06, -1.32 ]
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];
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//
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// An offset to add to all points in the mesh
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//
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zadjust = 0;
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//
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// Mesh characteristics
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//
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bed_size = [ 200, 200 ];
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mesh_inset = [ 10, 10, 10, 10 ]; // L, F, R, B
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mesh_bounds = [
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[ mesh_inset[L], mesh_inset[F] ],
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[ bed_size[X] - mesh_inset[R], bed_size[Y] - mesh_inset[B] ]
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];
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mesh_size = mesh_bounds[1] - mesh_bounds[0];
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// NOTE: Marlin meshes already subtract the probe offset
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NAN = 0; // Z to use for un-measured points
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//
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// Geometry
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//
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@ -45,6 +63,7 @@ alternation = 2; // direction change modulus (try it)
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show_plane = true;
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show_labels = true;
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show_coords = true;
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arrow_length = 5;
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label_font_lg = "Arial";
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@ -62,8 +81,8 @@ mean_value = (big_z + lil_z) / 2.0;
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mesh_points_y = len(measured_z);
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mesh_points_x = len(measured_z[0]);
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xspace = mesh_width / (mesh_points_x - 1);
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yspace = mesh_height / (mesh_points_y - 1);
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xspace = mesh_size[X] / (mesh_points_x - 1);
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yspace = mesh_size[Y] / (mesh_points_y - 1);
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// At $t=0 and $t=1 scale will be 100%
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z_scale_factor = min_z_scale + (($t > 0.5) ? 1.0 - $t : $t) * (max_z_scale - min_z_scale) * 2;
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@ -72,6 +91,8 @@ z_scale_factor = min_z_scale + (($t > 0.5) ? 1.0 - $t : $t) * (max_z_scale - min
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// Min and max recursive functions for 1D and 2D arrays
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// Return the smallest or largest value in the array
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//
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function some_1D(b,i) = (i<len(b)-1) ? (b[i] && some_1D(b,i+1)) : b[i] != 0;
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function some_2D(a,j) = (j<len(a)-1) ? some_2D(a,j+1) : some_1D(a[j], 0);
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function min_1D(b,i) = (i<len(b)-1) ? min(b[i], min_1D(b,i+1)) : b[i];
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function min_2D(a,j) = (j<len(a)-1) ? min_2D(a,j+1) : min_1D(a[j], 0);
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function max_1D(b,i) = (i<len(b)-1) ? max(b[i], max_1D(b,i+1)) : b[i];
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@ -98,36 +119,59 @@ function pos(x,y,z) = [x * xspace, y * yspace, z_scale_factor * (z - mean_value)
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//
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module point_markers(show_home=true) {
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// Mark the home position 0,0
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color([0,0,0,0.25]) translate([1,1]) cylinder(r=1, h=z_scale_factor, center=true);
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if (show_home)
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translate([1,1]) color([0,0,0,0.25])
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cylinder(r=1, h=z_scale_factor, center=true);
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for (x=[0:mesh_points_x-1], y=[0:mesh_points_y-1]) {
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z = measured_z[y][x];
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z = measured_z[y][x] - zadjust;
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down = z < mean_value;
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translate(pos(x, y, z)) {
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// Label each point with the Z
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if (show_labels) {
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v = z - mean_value;
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color(abs(v) < 0.1 ? [0,0.5,0] : [0.25,0,0])
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translate([0,0,down?-10:10]) {
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xyz = pos(x, y, z);
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translate([ xyz[0], xyz[1] ]) {
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// Show the XY as well as the Z!
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if (show_coords) {
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color("black")
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translate([0,0,0.5]) {
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$fn=8;
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rotate([90,0])
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text(str(z), 6, label_font_lg, halign="center", valign="center");
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translate([0,0,down?-6:6]) rotate([90,0])
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text(str(down ? "" : "+", v), 3, label_font_sm, halign="center", valign="center");
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rotate([0,0]) {
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posx = floor(mesh_bounds[0][X] + x * xspace);
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posy = floor(mesh_bounds[0][Y] + y * yspace);
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text(str(posx, ",", posy), 2, label_font_sm, halign="center", valign="center");
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}
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}
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}
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// Show an arrow pointing up or down
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rotate([0, down ? 180 : 0]) translate([0,0,-1])
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cylinder(
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r1=0.5,
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r2=0.1,
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h=arrow_length, $fn=12, center=1
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);
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translate([ 0, 0, xyz[2] ]) {
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// Label each point with the Z
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v = z - mean_value;
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if (show_labels) {
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color(abs(v) < 0.1 ? [0,0.5,0] : [0.25,0,0])
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translate([0,0,down?-10:10]) {
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$fn=8;
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rotate([90,0])
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text(str(z), 6, label_font_lg, halign="center", valign="center");
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if (v)
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translate([0,0,down?-6:6]) rotate([90,0])
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text(str(down || !v ? "" : "+", v), 3, label_font_sm, halign="center", valign="center");
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}
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}
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// Show an arrow pointing up or down
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if (v) {
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rotate([0, down ? 180 : 0]) translate([0,0,-1])
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cylinder(
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r1=0.5,
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r2=0.1,
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h=arrow_length, $fn=12, center=1
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);
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}
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else
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color([1,0,1,0.4]) sphere(r=1.0, $fn=20, center=1);
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}
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}
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}
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}
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@ -161,7 +205,7 @@ module tesselated_square(s, alt=false) {
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* The simplest mesh display
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*/
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module simple_mesh(show_plane=show_plane) {
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if (show_plane) color(plane_color) cube([mesh_width, mesh_height, thickness]);
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if (show_plane) color(plane_color) cube([mesh_size[X], mesh_size[Y], thickness]);
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color(mesh_color)
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for (x=[0:mesh_points_x-2], y=[0:mesh_points_y-2])
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tesselated_square(grid_square(x, y));
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@ -171,30 +215,34 @@ module simple_mesh(show_plane=show_plane) {
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* Subdivide the mesh into smaller squares.
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*/
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module bilinear_mesh(show_plane=show_plane,tesselation=tesselation) {
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if (show_plane) color(plane_color) translate([-5,-5]) cube([mesh_width+10, mesh_height+10, thickness]);
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tesselation = tesselation % 4;
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color(mesh_color)
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for (x=[0:mesh_points_x-2], y=[0:mesh_points_y-2]) {
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square = grid_square(x, y);
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if (tesselation < 1) {
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tesselated_square(square,(x%alternation)-(y%alternation));
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}
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else {
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subdiv_4 = subdivided_square(square);
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if (tesselation < 2) {
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for (i=[0:3]) tesselated_square(subdiv_4[i],i%alternation);
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if (show_plane) color(plane_color) translate([-5,-5]) cube([mesh_size[X]+10, mesh_size[Y]+10, thickness]);
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if (some_2D(measured_z, 0)) {
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tesselation = tesselation % 4;
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color(mesh_color)
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for (x=[0:mesh_points_x-2], y=[0:mesh_points_y-2]) {
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square = grid_square(x, y);
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if (tesselation < 1) {
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tesselated_square(square,(x%alternation)-(y%alternation));
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}
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else {
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for (i=[0:3]) {
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subdiv_16 = subdivided_square(subdiv_4[i]);
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if (tesselation < 3) {
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for (j=[0:3]) tesselated_square(subdiv_16[j],j%alternation);
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}
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else {
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for (j=[0:3]) {
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subdiv_64 = subdivided_square(subdiv_16[j]);
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if (tesselation < 4) {
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for (k=[0:3]) tesselated_square(subdiv_64[k]);
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subdiv_4 = subdivided_square(square);
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if (tesselation < 2) {
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for (i=[0:3]) tesselated_square(subdiv_4[i],i%alternation);
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}
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else {
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for (i=[0:3]) {
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subdiv_16 = subdivided_square(subdiv_4[i]);
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if (tesselation < 3) {
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for (j=[0:3]) tesselated_square(subdiv_16[j],j%alternation);
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}
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else {
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for (j=[0:3]) {
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subdiv_64 = subdivided_square(subdiv_16[j]);
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if (tesselation < 4) {
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for (k=[0:3]) tesselated_square(subdiv_64[k]);
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}
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}
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}
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}
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@ -249,7 +297,7 @@ function subdivided_square(a) = [
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//================================================ Run the plan
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translate([-mesh_width / 2, -mesh_height / 2]) {
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translate([-mesh_size[X] / 2, -mesh_size[Y] / 2]) {
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$fn = 12;
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point_markers();
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bilinear_mesh();
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