mirror of
https://git.mirrors.martin98.com/https://github.com/prusa3d/PrusaSlicer.git
synced 2025-08-14 17:56:03 +08:00
Distance of support point are modified by svg file.
- Support points are stored in separate list(no need to collect from grid + no duplicit support points) - Grid contain only indices into result vector of support points - Each layer is made update of radiuses for existing support points - Each support point knows support radius for current processed layer - Layers knows z coordinate soo heights in preparation are copied into layer.
This commit is contained in:
Filip Sykala - NTB T15p
Lukas Matena
parent
3906b7dafc
commit
40d52994db
361
resources/data/sla_support.svg
Normal file
361
resources/data/sla_support.svg
Normal file
@ -0,0 +1,361 @@
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<svg
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width="50mm"
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height="50mm"
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viewBox="0 0 50 50"
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version="1.1"
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xmlns:svg="http://www.w3.org/2000/svg">
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d="M -2,-4 9,0 -2,4 c 2,-2.33 2,-5.66 0,-8 z"
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style="fill:#cccccc;stroke:#cccccc;stroke-width:2.5;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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d="M 0,11.25 H 46.858514 50"
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id="path13101"
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sodipodi:nodetypes="ccc" />
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<text
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xml:space="preserve"
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style="font-size:0.25494px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#ffffff;stroke:none;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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style="fill:#ffffff;stroke:none;stroke-width:0.25"
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x="46.68829"
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y="11.313486">201. - 250. layer</tspan></text>
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<path
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style="fill:#cccccc;stroke:#cccccc;stroke-width:2.5;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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id="path13095" />
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<path
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style="fill:#cccccc;stroke:#cccccc;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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id="path13003" />
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<path
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style="fill:#cccccc;stroke:#cccccc;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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d="M 0,1.875 H 50"
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id="path13005" />
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<path
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style="fill:#cccccc;stroke:#cccccc;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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d="M 0,2.375 H 50"
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id="path13007" />
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<path
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style="fill:#cccccc;stroke:#cccccc;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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d="M 0,0.87396551 H 50"
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id="path12741" />
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<path
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style="fill:#cccccc;stroke:#cccccc;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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d="M 0,0.375 H 50"
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id="path12739" />
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<path
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style="fill:#cccccc;stroke:#cccccc;stroke-width:0.05;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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d="M 0,0.075 H 50"
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id="path9670-6" />
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<path
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style="fill:#cccccc;stroke:#cccccc;stroke-width:0.05;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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d="M 0,0.175 H 50"
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id="path12735" />
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<path
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style="fill:none;stroke:#b50000;stroke-width:0.4;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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d="M 5,0 6,3.8987591 8,15 10,40"
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id="path3587"
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sodipodi:nodetypes="cccc" />
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<text
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xml:space="preserve"
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style="font-size:1.05833px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:center;text-decoration-color:#000000;text-anchor:middle;fill:#364e59;stroke:none;stroke-width:0.4;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="16.386877"
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y="-7.5019774"
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id="text4929"><tspan
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sodipodi:role="line"
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id="tspan4927"
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style="font-size:1.05833px;fill:#364e59;stroke:none;stroke-width:0.4"
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x="16.386877"
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y="-7.5019774">island supports</tspan></text>
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<text
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xml:space="preserve"
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style="font-size:2.11667px;line-height:1.3;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:center;text-decoration-color:#000000;text-anchor:middle;fill:#364e59;stroke:none;stroke-width:0.4;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="24.711193"
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y="52.296951"
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id="text4985"><tspan
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sodipodi:role="line"
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id="tspan4983"
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style="font-weight:normal;font-size:2.11667px;stroke-width:0.4"
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x="24.711193"
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y="52.296951">For loading is used only first red curve</tspan><tspan
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sodipodi:role="line"
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style="font-weight:normal;font-size:2.11667px;stroke-width:0.4"
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x="24.711193"
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y="55.048622"
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id="tspan9281">Use only line segments (no curve)</tspan><tspan
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sodipodi:role="line"
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style="font-weight:normal;font-size:2.11667px;stroke-width:0.4"
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x="24.711193"
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y="57.800293"
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id="tspan15589">Y coordinate of points must only increase.</tspan><tspan
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sodipodi:role="line"
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style="font-weight:normal;font-size:2.11667px;stroke-width:0.4"
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x="24.711193"
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y="60.551964"
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id="tspan17460">First point.y must be zero</tspan><tspan
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sodipodi:role="line"
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style="font-weight:normal;font-size:2.11667px;stroke-width:0.4"
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x="24.711193"
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y="63.303635"
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id="tspan9676" /></text>
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<text
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xml:space="preserve"
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style="font-size:2.11667px;line-height:1.3;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:center;text-decoration-color:#000000;text-anchor:middle;fill:#364e59;stroke:none;stroke-width:0.4;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="33.019527"
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y="-2.8043785"
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id="text4985-7"><tspan
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sodipodi:role="line"
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style="font-weight:bold;font-size:2.11667px;stroke-width:0.4"
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x="33.019527"
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y="-2.8043785"
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id="tspan9281-8">Supported radius[in mm]</tspan></text>
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<rect
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style="fill:#ba00ff;stroke:none;stroke-width:0.4;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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id="rect6552"
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width="0.39999992"
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height="1"
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x="-0.2"
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y="0" />
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<text
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xml:space="preserve"
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style="font-size:1.05833px;line-height:1.2;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:center;text-decoration-color:#000000;text-anchor:middle;fill:#ba00ff;stroke:none;stroke-width:0.4;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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id="text6608"><tspan
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sodipodi:role="line"
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style="font-size:1.05833px;text-align:center;text-anchor:middle;stroke-width:0.4"
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x="-0.38932067"
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y="-1.6407087"
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id="tspan7386">Head</tspan><tspan
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sodipodi:role="line"
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style="font-size:1.05833px;text-align:center;text-anchor:middle;stroke-width:0.4"
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x="-0.38932067"
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y="-0.3707087"
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id="tspan7390">interface</tspan></text>
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<path
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style="fill:#ba00ff;stroke:#364e59;stroke-width:0.1;stroke-linejoin:round;stroke-dasharray:none;marker-end:url(#Arrow2);stop-color:#000000"
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id="path7457"
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sodipodi:nodetypes="cc" />
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<text
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xml:space="preserve"
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style="font-size:1.67576px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:center;text-decoration-color:#000000;text-anchor:middle;fill:#364e59;stroke:none;stroke-width:0.1;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="15.351564"
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sodipodi:role="line"
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id="tspan9277"
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style="fill:#364e59;stroke:none;stroke-width:0.1"
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x="15.351564"
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y="55.742996" /></text>
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<path
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style="fill:#364e59;stroke:#364e59;stroke-width:0.4;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000;marker-end:url(#Arrow2)"
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d="M 29.365905,-1.4460483 H 48.609472"
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id="path9401" />
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<text
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xml:space="preserve"
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style="font-size:2.06203px;line-height:1.3;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:center;text-decoration-color:#000000;text-anchor:middle;fill:#364e59;stroke:none;stroke-width:0.4;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="-8.5609999"
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y="41.920982"
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id="text4985-7-3"><tspan
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sodipodi:role="line"
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style="font-weight:bold;font-size:2.11667px;stroke-width:0.4"
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x="-8.5609999"
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y="41.920982"
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id="tspan9281-8-8">z [in mm]</tspan><tspan
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sodipodi:role="line"
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style="font-weight:normal;font-size:1.05833px;stroke-width:0.4"
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x="-8.5609999"
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y="44.620838"
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id="tspan9668"
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dy="-1.0011104">Print Direction</tspan></text>
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<path
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style="fill:#364e59;stroke:#364e59;stroke-width:0.4;stroke-linejoin:round;stroke-dasharray:none;marker-end:url(#Arrow2-5);stop-color:#000000"
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d="M -2.7788881,27.725679 V 46.969247"
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id="path9401-5" />
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<path
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style="fill:#364e59;stroke:#364e59;stroke-width:0.1;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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d="m 10.778332,39.821948 48.064712,0"
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id="path9670"
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sodipodi:nodetypes="cc" />
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<text
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xml:space="preserve"
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style="font-size:1.05833px;line-height:1.3;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#364e59;stroke:#364e59;stroke-width:0.1;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="50.865135"
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id="text9674"><tspan
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sodipodi:role="line"
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id="tspan9672"
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style="font-weight:normal;font-size:1.05833px;stroke:none;stroke-width:0.1;text-anchor:start;text-align:start"
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x="59.791695"
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y="39.457973">Last curve point</tspan><tspan
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sodipodi:role="line"
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style="font-weight:normal;font-size:1.05833px;stroke:none;stroke-width:0.1;text-anchor:start;text-align:start"
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x="59.791695"
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y="40.833801"
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id="tspan9678">define stability requirements</tspan></text>
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<text
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xml:space="preserve"
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style="font-size:0.25494px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#ffffff;stroke:none;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="47.136429"
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y="0.44968146"
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id="text12797"><tspan
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||||
sodipodi:role="line"
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id="tspan12795"
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style="fill:#ffffff;stroke:none;stroke-width:0.25"
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x="47.136429"
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y="0.44968146">6. - 10. layer</tspan></text>
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<text
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xml:space="preserve"
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style="font-size:1.05833px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#ffffff;stroke:none;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="50.574947"
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y="0.98318326"
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id="text13011"><tspan
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sodipodi:role="line"
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style="stroke-width:0.25"
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x="50.574947"
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||||
y="0.98318326"
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id="tspan13013">Guid for layers height 0.05mm</tspan></text>
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<text
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xml:space="preserve"
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style="font-size:0.25494px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#ffffff;stroke:none;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="46.987049"
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y="0.9476288"
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id="text13029"><tspan
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sodipodi:role="line"
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id="tspan13027"
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style="fill:#ffffff;stroke:none;stroke-width:0.25"
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x="46.987049"
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y="0.9476288">16. - 20. layer</tspan></text>
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<text
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xml:space="preserve"
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style="font-size:0.25494px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#ffffff;stroke:none;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="46.987049"
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y="1.448184"
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id="text13033"><tspan
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sodipodi:role="line"
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id="tspan13031"
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style="fill:#ffffff;stroke:none;stroke-width:0.25"
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x="46.987049"
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y="1.448184">26. - 30. layer</tspan></text>
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||||
<text
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xml:space="preserve"
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style="font-size:0.25494px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#ffffff;stroke:none;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
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x="46.987049"
|
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y="1.941787"
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id="text13037"><tspan
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sodipodi:role="line"
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id="tspan13035"
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style="fill:#ffffff;stroke:none;stroke-width:0.25"
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x="46.987049"
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y="1.941787">36. - 40. layer</tspan></text>
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<text
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xml:space="preserve"
|
||||
style="font-size:0.25494px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#ffffff;stroke:none;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
|
||||
x="46.987049"
|
||||
y="2.4423423"
|
||||
id="text13041"><tspan
|
||||
sodipodi:role="line"
|
||||
id="tspan13039"
|
||||
style="fill:#ffffff;stroke:none;stroke-width:0.25"
|
||||
x="46.987049"
|
||||
y="2.4423423">46. - 50. layer</tspan></text>
|
||||
<text
|
||||
xml:space="preserve"
|
||||
style="font-size:0.25494px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#ffffff;stroke:none;stroke-width:0.25;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
|
||||
x="46.68829"
|
||||
y="6.3134861"
|
||||
id="text13099"><tspan
|
||||
sodipodi:role="line"
|
||||
id="tspan13097"
|
||||
style="fill:#ffffff;stroke:none;stroke-width:0.25"
|
||||
x="46.68829"
|
||||
y="6.3134861">101. - 150. layer</tspan></text>
|
||||
<text
|
||||
xml:space="preserve"
|
||||
style="font-size:1.05833px;line-height:0;font-family:'Cascadia Code';-inkscape-font-specification:'Cascadia Code';text-align:start;text-decoration-color:#000000;text-anchor:start;fill:#ffffff;stroke:none;stroke-width:2.5;stroke-linejoin:round;stroke-dasharray:none;stop-color:#000000"
|
||||
x="14.708422"
|
||||
y="-6.6856461"
|
||||
id="text17458"><tspan
|
||||
sodipodi:role="line"
|
||||
id="tspan17456"
|
||||
style="stroke-width:2.5"></tspan></text>
|
||||
</g>
|
||||
</svg>
|
||||
|
After Width: | Height: | Size: 16 KiB |
@ -22,21 +22,24 @@ class Grid2D
|
||||
coord_t m_cell_size; // Squar: x and y are same
|
||||
coord_t m_cell_size_half;
|
||||
|
||||
using Key = Point;
|
||||
using Key = Point; // scaled point
|
||||
using Value = size_t; // index into m_supports_ptr
|
||||
struct GridHash{std::size_t operator()(const Key &cell_id) const {
|
||||
return std::hash<int>()(cell_id.x()) ^ std::hash<int>()(cell_id.y() * 593);
|
||||
}};
|
||||
using Grid = std::unordered_multimap<Key, LayerSupportPoint, GridHash>;
|
||||
using Grid = std::unordered_multimap<Key, Value, GridHash>;
|
||||
Grid m_grid;
|
||||
|
||||
// multiple grids points into same data storage of support points
|
||||
LayerSupportPoints *m_supports_ptr;
|
||||
public:
|
||||
/// <summary>
|
||||
/// Set cell size for grid
|
||||
/// </summary>
|
||||
/// <param name="cell_size">Granularity of stored points
|
||||
/// Must be bigger than maximal used radius</param>
|
||||
explicit Grid2D(const coord_t &cell_size)
|
||||
: m_cell_size(cell_size), m_cell_size_half(cell_size / 2) {}
|
||||
/// <param name="supports_ptr">Pointer on Support vector</param>
|
||||
explicit Grid2D(const coord_t &cell_size, LayerSupportPoints* supports_ptr)
|
||||
: m_cell_size(cell_size), m_cell_size_half(cell_size / 2), m_supports_ptr(supports_ptr) {}
|
||||
|
||||
Key cell_id(const Point &point) const {
|
||||
Key::coord_type x = point.x() / m_cell_size;
|
||||
@ -48,11 +51,19 @@ public:
|
||||
}
|
||||
|
||||
void add(LayerSupportPoint &&point) {
|
||||
m_grid.emplace(cell_id(point.position_on_layer), std::move(point));
|
||||
size_t index = m_supports_ptr->size();
|
||||
m_supports_ptr->emplace_back(std::move(point));
|
||||
m_grid.emplace(cell_id(point.position_on_layer), index);
|
||||
}
|
||||
|
||||
using CheckFnc = std::function<bool(const LayerSupportPoint &, const Point&)>;
|
||||
bool exist_true_in_4cell_neighbor(const Point &pos, const CheckFnc& fnc) const {
|
||||
// TODO: remove - test all support points without grid speed up
|
||||
for (const auto &[key, value]: m_grid)
|
||||
if(fnc(m_supports_ptr->at(value), pos))
|
||||
return true;
|
||||
return false;
|
||||
|
||||
Key key = cell_id(pos);
|
||||
if (exist_true_for_cell(key, pos, fnc)) return true;
|
||||
Point un_cell_pos(
|
||||
@ -72,19 +83,11 @@ public:
|
||||
assert(m_cell_size == grid.m_cell_size);
|
||||
m_grid.merge(std::move(grid.m_grid));
|
||||
}
|
||||
|
||||
LayerSupportPoints get_points() const {
|
||||
LayerSupportPoints result;
|
||||
result.reserve(m_grid.size());
|
||||
for (const auto& [key, support] : m_grid)
|
||||
result.push_back(support);
|
||||
return result;
|
||||
}
|
||||
private:
|
||||
bool exist_true_for_cell(const Key &key, const Point &pos, const CheckFnc& fnc) const{
|
||||
auto [begin_it, end_it] = m_grid.equal_range(key);
|
||||
for (Grid::const_iterator it = begin_it; it != end_it; ++it) {
|
||||
const LayerSupportPoint &support_point = it->second;
|
||||
const LayerSupportPoint &support_point = m_supports_ptr->at(it->second);
|
||||
if (fnc(support_point, pos))
|
||||
return true;
|
||||
}
|
||||
@ -135,34 +138,25 @@ Point intersection(const Point &p1, const Point &p2, const Point &cnt, double r2
|
||||
return {};
|
||||
}
|
||||
|
||||
coord_t get_supported_radius(const LayerSupportPoint &p, float z_distance, const SupportPointGeneratorConfig &config
|
||||
) {
|
||||
// TODO: calculate support radius
|
||||
return scale_(5.);
|
||||
}
|
||||
|
||||
void sample_part(
|
||||
/// <summary>
|
||||
/// Move grid from previous layer to current one
|
||||
/// for given part
|
||||
/// </summary>
|
||||
/// <param name="prev_layer_parts">Grids generated in previous layer</param>
|
||||
/// <param name="part">Current layer part to process</param>
|
||||
/// <param name="prev_grids">Grids which will be moved to current grid</param>
|
||||
/// <returns>Grid for given part</returns>
|
||||
Grid2D create_part_grid(
|
||||
const LayerParts &prev_layer_parts,
|
||||
const LayerPart &part,
|
||||
size_t layer_id,
|
||||
const SupportPointGeneratorData &data,
|
||||
const SupportPointGeneratorConfig &config,
|
||||
std::vector<Grid2D> &grids,
|
||||
std::vector<Grid2D> &prev_grids
|
||||
) {
|
||||
// NOTE: first layer do not have prev part
|
||||
assert(layer_id != 0);
|
||||
|
||||
const Layers &layers = data.layers;
|
||||
const LayerParts &prev_layer_parts = layers[layer_id - 1].parts;
|
||||
const LayerParts::const_iterator &prev_part_it = part.prev_parts.front().part_it;
|
||||
size_t index_of_prev_part = prev_part_it - prev_layer_parts.begin();
|
||||
if (prev_part_it->next_parts.size() == 1) {
|
||||
grids.push_back(std::move(prev_grids[index_of_prev_part]));
|
||||
} else { // Need a copy there are multiple parts above previus one
|
||||
grids.push_back(prev_grids[index_of_prev_part]); // copy
|
||||
}
|
||||
// current part grid
|
||||
Grid2D &part_grid = grids.back();
|
||||
Grid2D part_grid = (prev_part_it->next_parts.size() == 1)?
|
||||
std::move(prev_grids[index_of_prev_part]) :
|
||||
// Need a copy there are multiple parts above previus one
|
||||
prev_grids[index_of_prev_part]; // copy
|
||||
|
||||
// merge other grid in case of multiple previous parts
|
||||
for (size_t i = 1; i < part.prev_parts.size(); ++i) {
|
||||
@ -175,16 +169,32 @@ void sample_part(
|
||||
part_grid.merge(std::move(grid_));
|
||||
}
|
||||
}
|
||||
return part_grid;
|
||||
}
|
||||
|
||||
float part_z = data.heights[layer_id];
|
||||
Grid2D::CheckFnc is_supported = [part_z, &config]
|
||||
/// <summary>
|
||||
/// Add support point to part_grid when it is neccessary
|
||||
/// </summary>
|
||||
/// <param name="part">Current part - keep samples</param>
|
||||
/// <param name="config">Configuration to sample</param>
|
||||
/// <param name="part_grid">Keep previous sampled suppport points</param>
|
||||
/// <param name="part_z">current z coordinate of part</param>
|
||||
void support_part_overhangs(
|
||||
const LayerPart &part,
|
||||
const SupportPointGeneratorConfig &config,
|
||||
Grid2D &part_grid,
|
||||
float part_z
|
||||
) {
|
||||
Grid2D::CheckFnc is_supported = []
|
||||
(const LayerSupportPoint &support_point, const Point &p) -> bool {
|
||||
float diff_height = part_z - support_point.pos.z();
|
||||
coord_t r_ = get_supported_radius(support_point, diff_height, config);
|
||||
// Debug visualization of all sampled outline
|
||||
//return false;
|
||||
|
||||
coord_t r = support_point.current_radius;
|
||||
Point dp = support_point.position_on_layer - p;
|
||||
if (std::abs(dp.x()) > r_) return false;
|
||||
if (std::abs(dp.y()) > r_) return false;
|
||||
double r2 = static_cast<double>(r_);
|
||||
if (std::abs(dp.x()) > r) return false;
|
||||
if (std::abs(dp.y()) > r) return false;
|
||||
double r2 = static_cast<double>(r);
|
||||
r2 *= r2;
|
||||
return dp.cast<double>().squaredNorm() < r2;
|
||||
};
|
||||
@ -201,7 +211,9 @@ void sample_part(
|
||||
SupportPointType::slope
|
||||
},
|
||||
/* position_on_layer */ p,
|
||||
/* direction_to_mass */ Point(1,0)
|
||||
/* direction_to_mass */ Point(1,0), // TODO: change direction
|
||||
/* radius_curve_index */ 0,
|
||||
/* current_radius */ static_cast<coord_t>(scale_(config.support_curve.front().x()))
|
||||
});
|
||||
}
|
||||
}
|
||||
@ -212,14 +224,16 @@ Points uniformly_sample(const ExPolygon &island, const SupportPointGeneratorConf
|
||||
return Points{island.contour.centroid()};
|
||||
}
|
||||
|
||||
Grid2D support_island(const LayerPart &part, float part_z, const SupportPointGeneratorConfig &cfg) {
|
||||
// Maximal radius of supported area of one support point
|
||||
double max_support_radius = 10.; // cfg.cell_size;
|
||||
|
||||
// maximal radius of support
|
||||
coord_t cell_size = scale_(max_support_radius);
|
||||
|
||||
Grid2D part_grid(cell_size);
|
||||
/// <summary>
|
||||
/// Sample part as Island
|
||||
/// Result store to grid
|
||||
/// </summary>
|
||||
/// <param name="part">Island to support</param>
|
||||
/// <param name="part_grid">OUT place to store new supports</param>
|
||||
/// <param name="part_z">z coordinate of part</param>
|
||||
/// <param name="cfg"></param>
|
||||
void support_island(const LayerPart &part, Grid2D& part_grid, float part_z,
|
||||
const SupportPointGeneratorConfig &cfg) {
|
||||
Points pts = uniformly_sample(*part.shape, cfg);
|
||||
for (const Point &pt : pts)
|
||||
part_grid.add(LayerSupportPoint{
|
||||
@ -229,9 +243,10 @@ Grid2D support_island(const LayerPart &part, float part_z, const SupportPointGen
|
||||
SupportPointType::island
|
||||
},
|
||||
/* position_on_layer */ pt,
|
||||
/* direction_to_mass */ Point(0,0) // direction from bottom
|
||||
/* direction_to_mass */ Point(0,0), // direction from bottom
|
||||
/* radius_curve_index */ 0,
|
||||
/* current_radius */ static_cast<coord_t>(scale_(cfg.support_curve.front().x()))
|
||||
});
|
||||
return part_grid;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
@ -274,18 +289,19 @@ Slic3r::Points sample(Points::const_iterator b, Points::const_iterator e, double
|
||||
Slic3r::Points r;
|
||||
r.push_back(*b);
|
||||
|
||||
Points::const_iterator prev_pt = e;
|
||||
//Points::const_iterator prev_pt = e;
|
||||
const Point *prev_pt = nullptr;
|
||||
for (Points::const_iterator it = b; it+1 < e; ++it){
|
||||
const Point &pt = *(it+1);
|
||||
double p_dist2 = (r.back() - pt).cast<double>().squaredNorm();
|
||||
while (p_dist2 > dist2) { // line segment goes out of radius
|
||||
if (prev_pt == e)
|
||||
prev_pt = it;
|
||||
if (prev_pt == nullptr)
|
||||
prev_pt = &(*it);
|
||||
r.push_back(intersection(*prev_pt, pt, r.back(), dist2));
|
||||
p_dist2 = (r.back() - pt).cast<double>().squaredNorm();
|
||||
prev_pt = r.end()-1; // r.back()
|
||||
prev_pt = &r.back();
|
||||
}
|
||||
prev_pt = e;
|
||||
prev_pt = nullptr;
|
||||
}
|
||||
return r;
|
||||
}
|
||||
@ -382,13 +398,43 @@ Points sample_overhangs(const LayerPart& part, double dist2) {
|
||||
return samples;
|
||||
}
|
||||
|
||||
|
||||
void prepare_supports_for_layer(LayerSupportPoints &supports, float layer_z,
|
||||
const SupportPointGeneratorConfig &config) {
|
||||
const std::vector<Vec2f>& curve = config.support_curve;
|
||||
// calculate support area for each support point as radius
|
||||
// IMPROVE: use some offsets of previous supported island
|
||||
for (LayerSupportPoint &support : supports) {
|
||||
size_t &index = support.radius_curve_index;
|
||||
if (index + 1 >= curve.size())
|
||||
continue; // already contain maximal radius
|
||||
|
||||
// find current segment
|
||||
float diff_z = layer_z - support.pos.z();
|
||||
while ((index + 1) < curve.size() && diff_z > curve[index + 1].y())
|
||||
++index;
|
||||
|
||||
if ((index+1) >= curve.size()) {
|
||||
// set maximal radius
|
||||
support.current_radius = static_cast<coord_t>(scale_(curve.back().x()));
|
||||
continue;
|
||||
}
|
||||
// interpolate radius on input curve
|
||||
Vec2f a = curve[index];
|
||||
Vec2f b = curve[index+1];
|
||||
assert(a.y() <= diff_z && diff_z <= b.y());
|
||||
float t = (diff_z - a.y()) / (b.y() - a.y());
|
||||
assert(0 <= t && t <= 1);
|
||||
support.current_radius = static_cast<coord_t>(scale_(a.x() + t * (b.x() - a.x())));
|
||||
}
|
||||
}
|
||||
} // namespace
|
||||
|
||||
#include "libslic3r/Execution/ExecutionSeq.hpp"
|
||||
|
||||
SupportPointGeneratorData Slic3r::sla::prepare_generator_data(
|
||||
std::vector<ExPolygons> &&slices,
|
||||
std::vector<float> &&heights,
|
||||
const std::vector<float> &heights,
|
||||
ThrowOnCancel throw_on_cancel,
|
||||
StatusFunction statusfn
|
||||
) {
|
||||
@ -401,20 +447,20 @@ SupportPointGeneratorData Slic3r::sla::prepare_generator_data(
|
||||
// Move input into result
|
||||
SupportPointGeneratorData result;
|
||||
result.slices = std::move(slices);
|
||||
result.heights = std::move(heights);
|
||||
|
||||
// Allocate empty layers.
|
||||
result.layers = Layers(result.slices.size(), {});
|
||||
|
||||
// Generate Extents and SampleLayers
|
||||
execution::for_each(ex_tbb, size_t(0), result.slices.size(),
|
||||
[&result, throw_on_cancel](size_t layer_id) {
|
||||
[&result, &heights, throw_on_cancel](size_t layer_id) {
|
||||
if ((layer_id % 8) == 0)
|
||||
// Don't call the following function too often as it flushes
|
||||
// CPU write caches due to synchronization primitves.
|
||||
throw_on_cancel();
|
||||
|
||||
Layer &layer = result.layers[layer_id];
|
||||
layer.print_z = heights[layer_id]; // copy
|
||||
const ExPolygons &islands = result.slices[layer_id];
|
||||
layer.parts.reserve(islands.size());
|
||||
for (const ExPolygon &island : islands) {
|
||||
@ -467,6 +513,42 @@ SupportPointGeneratorData Slic3r::sla::prepare_generator_data(
|
||||
return result;
|
||||
}
|
||||
|
||||
#include "libslic3r/NSVGUtils.hpp"
|
||||
#include "libslic3r/Utils.hpp"
|
||||
std::vector<Vec2f> load_curve_from_file() {
|
||||
std::string filePath = Slic3r::resources_dir() + "/data/sla_support.svg";
|
||||
EmbossShape::SvgFile svg_file{filePath};
|
||||
NSVGimage *image = init_image(svg_file);
|
||||
|
||||
for (NSVGshape *shape_ptr = image->shapes; shape_ptr != NULL; shape_ptr = shape_ptr->next) {
|
||||
const NSVGshape &shape = *shape_ptr;
|
||||
if (!(shape.flags & NSVG_FLAGS_VISIBLE)) continue; // is visible
|
||||
if (shape.fill.type != NSVG_PAINT_NONE) continue; // is not used fill
|
||||
if (shape.stroke.type == NSVG_PAINT_NONE) continue; // exist stroke
|
||||
if (shape.strokeWidth < 1e-5f) continue; // is visible stroke width
|
||||
if (shape.stroke.color != 4278190261) continue; // is red
|
||||
|
||||
// use only first path
|
||||
const NSVGpath *path = shape.paths;
|
||||
size_t count_points = path->npts;
|
||||
assert(count_points > 1);
|
||||
--count_points;
|
||||
std::vector<Vec2f> points;
|
||||
points.reserve(count_points/3+1);
|
||||
points.push_back({path->pts[0], path->pts[1]});
|
||||
for (size_t i = 0; i < count_points; i += 3) {
|
||||
const float *p = &path->pts[i * 2];
|
||||
points.push_back({p[6], p[7]});
|
||||
}
|
||||
assert(points.size() >= 2);
|
||||
return points;
|
||||
}
|
||||
|
||||
// red curve line is not found
|
||||
assert(false);
|
||||
return {};
|
||||
}
|
||||
|
||||
LayerSupportPoints Slic3r::sla::generate_support_points(
|
||||
const SupportPointGeneratorData &data,
|
||||
const SupportPointGeneratorConfig &config,
|
||||
@ -478,30 +560,41 @@ LayerSupportPoints Slic3r::sla::generate_support_points(
|
||||
double status = 0; // current progress
|
||||
int status_int = 0;
|
||||
|
||||
// Hack to set curve for testing
|
||||
if (config.support_curve.empty())
|
||||
const_cast<SupportPointGeneratorConfig &>(config).support_curve = load_curve_from_file();
|
||||
|
||||
// Maximal radius of supported area of one support point
|
||||
double max_support_radius = config.support_curve.back().x(); // cfg.cell_size;
|
||||
// maximal radius of support
|
||||
coord_t cell_size = scale_(2*max_support_radius);
|
||||
|
||||
// Storage for support points used by grid
|
||||
LayerSupportPoints result;
|
||||
|
||||
// grid index == part in layer index
|
||||
std::vector<Grid2D> prev_grids; // same count as previous layer item size
|
||||
for (size_t layer_id = 0; layer_id < layers.size(); ++layer_id) {
|
||||
const Layer &layer = layers[layer_id];
|
||||
|
||||
prepare_supports_for_layer(result, layer.print_z, config);
|
||||
|
||||
// grid index == part in layer index
|
||||
std::vector<Grid2D> grids;
|
||||
grids.reserve(layer.parts.size());
|
||||
|
||||
for (const LayerPart &part : layer.parts) {
|
||||
if (part.prev_parts.empty()) {
|
||||
// only island add new grid
|
||||
grids.emplace_back(cell_size, &result);
|
||||
// new island - needs support no doubt
|
||||
float part_z = data.heights[layer_id];
|
||||
grids.push_back(support_island(part, part_z, config));
|
||||
support_island(part, grids.back(), layer.print_z, config);
|
||||
} else {
|
||||
sample_part(part, layer_id, data, config, grids, prev_grids);
|
||||
}
|
||||
|
||||
// collect result from grid of top part
|
||||
if (part.next_parts.empty()) {
|
||||
const Grid2D &part_grid = grids.back();
|
||||
LayerSupportPoints sps = part_grid.get_points();
|
||||
result.insert(result.end(),
|
||||
std::make_move_iterator(sps.begin()),
|
||||
std::make_move_iterator(sps.end()));
|
||||
// first layer should have empty prev_part
|
||||
assert(layer_id != 0);
|
||||
const LayerParts &prev_layer_parts = layers[layer_id - 1].parts;
|
||||
grids.push_back(create_part_grid(prev_layer_parts, part, prev_grids));
|
||||
support_part_overhangs(part, config, grids.back(), layer.print_z);
|
||||
}
|
||||
}
|
||||
prev_grids = std::move(grids);
|
||||
|
||||
@ -40,6 +40,12 @@ struct SupportPointGeneratorConfig{
|
||||
// Minimal island Area to print - TODO: Should be modifiable from UI
|
||||
// !! Filter should be out of sampling algorithm !!
|
||||
float minimal_island_area = pow(0.047f, 2.f); // [in mm^2] pixel_area
|
||||
|
||||
// maximal distance to nearest support point(define radiuses per layer)
|
||||
// x axis .. mean distance on layer(XY)
|
||||
// y axis .. mean difference of height(Z)
|
||||
// Points of lines [in mm]
|
||||
std::vector<Vec2f> support_curve;
|
||||
};
|
||||
|
||||
struct LayerPart; // forward decl.
|
||||
@ -93,6 +99,15 @@ struct LayerSupportPoint: public SupportPoint
|
||||
// used as ray to positioning 3d point on mesh surface
|
||||
// Island has direction [0,0] - should be placed on surface from bottom
|
||||
Point direction_to_mass;
|
||||
|
||||
// index into curve to faster found radius for current layer
|
||||
size_t radius_curve_index = 0;
|
||||
coord_t current_radius = 0; // [in scaled mm]
|
||||
|
||||
// information whether support point is active in current investigated layer
|
||||
// Flagged false when no part on layer in Radius 'r' around support point
|
||||
// Tool to support overlapped overhang area multiple times
|
||||
bool active_in_part = true;
|
||||
};
|
||||
using LayerSupportPoints = std::vector<LayerSupportPoint>;
|
||||
|
||||
@ -106,8 +121,7 @@ struct Layer
|
||||
size_t layer_id;
|
||||
|
||||
// Absolute distance from Zero - copy value from heights<float>
|
||||
// [[deprecated]] Use index to layers insted of adress from item
|
||||
double print_z; // [in mm]
|
||||
float print_z; // [in mm]
|
||||
|
||||
// data for one expolygon
|
||||
LayerParts parts;
|
||||
@ -122,10 +136,10 @@ struct SupportPointGeneratorData
|
||||
{
|
||||
// Input slices of mesh
|
||||
std::vector<ExPolygons> slices;
|
||||
// Same size as slices
|
||||
std::vector<float> heights;
|
||||
|
||||
// link to slices
|
||||
// Keep information about layer and its height
|
||||
// and connection between layers for its part
|
||||
// NOTE: contain links into slices
|
||||
Layers layers;
|
||||
};
|
||||
|
||||
@ -147,7 +161,7 @@ using StatusFunction= std::function<void(int)>;
|
||||
/// <returns>Data prepared for generate support points</returns>
|
||||
SupportPointGeneratorData prepare_generator_data(
|
||||
std::vector<ExPolygons> &&slices,
|
||||
std::vector<float> &&heights,
|
||||
const std::vector<float> &heights,
|
||||
ThrowOnCancel throw_on_cancel,
|
||||
StatusFunction statusfn
|
||||
);
|
||||
|
||||
@ -678,45 +678,47 @@ RENDER_AGAIN:
|
||||
else { // not in editing mode:
|
||||
m_imgui->disabled_begin(!is_input_enabled());
|
||||
|
||||
ImGui::AlignTextToFramePadding();
|
||||
ImGuiPureWrap::text(m_desc.at("minimal_distance"));
|
||||
ImGui::SameLine(settings_sliders_left);
|
||||
ImGui::PushItemWidth(window_width - settings_sliders_left);
|
||||
ImGui::Text("Distribution depends on './resources/data/sla_support.svg'\ninstruction for edit are in file");
|
||||
|
||||
std::vector<const ConfigOption*> opts = get_config_options({"support_points_density_relative", "support_points_minimal_distance"});
|
||||
float density = static_cast<const ConfigOptionInt*>(opts[0])->value;
|
||||
float minimal_point_distance = static_cast<const ConfigOptionFloat*>(opts[1])->value;
|
||||
//ImGui::AlignTextToFramePadding();
|
||||
//ImGuiPureWrap::text(m_desc.at("minimal_distance"));
|
||||
//ImGui::SameLine(settings_sliders_left);
|
||||
//ImGui::PushItemWidth(window_width - settings_sliders_left);
|
||||
|
||||
m_imgui->slider_float("##minimal_point_distance", &minimal_point_distance, 0.f, 20.f, "%.f mm");
|
||||
bool slider_clicked = m_imgui->get_last_slider_status().clicked; // someone clicked the slider
|
||||
bool slider_edited = m_imgui->get_last_slider_status().edited; // someone is dragging the slider
|
||||
bool slider_released = m_imgui->get_last_slider_status().deactivated_after_edit; // someone has just released the slider
|
||||
//std::vector<const ConfigOption*> opts = get_config_options({"support_points_density_relative", "support_points_minimal_distance"});
|
||||
//float density = static_cast<const ConfigOptionInt*>(opts[0])->value;
|
||||
//float minimal_point_distance = static_cast<const ConfigOptionFloat*>(opts[1])->value;
|
||||
|
||||
ImGui::AlignTextToFramePadding();
|
||||
ImGuiPureWrap::text(m_desc.at("points_density"));
|
||||
ImGui::SameLine(settings_sliders_left);
|
||||
//m_imgui->slider_float("##minimal_point_distance", &minimal_point_distance, 0.f, 20.f, "%.f mm");
|
||||
//bool slider_clicked = m_imgui->get_last_slider_status().clicked; // someone clicked the slider
|
||||
//bool slider_edited = m_imgui->get_last_slider_status().edited; // someone is dragging the slider
|
||||
//bool slider_released = m_imgui->get_last_slider_status().deactivated_after_edit; // someone has just released the slider
|
||||
|
||||
m_imgui->slider_float("##points_density", &density, 0.f, 200.f, "%.f %%");
|
||||
slider_clicked |= m_imgui->get_last_slider_status().clicked;
|
||||
slider_edited |= m_imgui->get_last_slider_status().edited;
|
||||
slider_released |= m_imgui->get_last_slider_status().deactivated_after_edit;
|
||||
//ImGui::AlignTextToFramePadding();
|
||||
//ImGuiPureWrap::text(m_desc.at("points_density"));
|
||||
//ImGui::SameLine(settings_sliders_left);
|
||||
|
||||
if (slider_clicked) { // stash the values of the settings so we know what to revert to after undo
|
||||
m_minimal_point_distance_stash = minimal_point_distance;
|
||||
m_density_stash = density;
|
||||
}
|
||||
if (slider_edited) {
|
||||
mo->config.set("support_points_minimal_distance", minimal_point_distance);
|
||||
mo->config.set("support_points_density_relative", (int)density);
|
||||
}
|
||||
if (slider_released) {
|
||||
mo->config.set("support_points_minimal_distance", m_minimal_point_distance_stash);
|
||||
mo->config.set("support_points_density_relative", (int)m_density_stash);
|
||||
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _L("Support parameter change"));
|
||||
mo->config.set("support_points_minimal_distance", minimal_point_distance);
|
||||
mo->config.set("support_points_density_relative", (int)density);
|
||||
wxGetApp().obj_list()->update_and_show_object_settings_item();
|
||||
}
|
||||
//m_imgui->slider_float("##points_density", &density, 0.f, 200.f, "%.f %%");
|
||||
//slider_clicked |= m_imgui->get_last_slider_status().clicked;
|
||||
//slider_edited |= m_imgui->get_last_slider_status().edited;
|
||||
//slider_released |= m_imgui->get_last_slider_status().deactivated_after_edit;
|
||||
|
||||
//if (slider_clicked) { // stash the values of the settings so we know what to revert to after undo
|
||||
// m_minimal_point_distance_stash = minimal_point_distance;
|
||||
// m_density_stash = density;
|
||||
//}
|
||||
//if (slider_edited) {
|
||||
// mo->config.set("support_points_minimal_distance", minimal_point_distance);
|
||||
// mo->config.set("support_points_density_relative", (int)density);
|
||||
//}
|
||||
//if (slider_released) {
|
||||
// mo->config.set("support_points_minimal_distance", m_minimal_point_distance_stash);
|
||||
// mo->config.set("support_points_density_relative", (int)m_density_stash);
|
||||
// Plater::TakeSnapshot snapshot(wxGetApp().plater(), _L("Support parameter change"));
|
||||
// mo->config.set("support_points_minimal_distance", minimal_point_distance);
|
||||
// mo->config.set("support_points_density_relative", (int)density);
|
||||
// wxGetApp().obj_list()->update_and_show_object_settings_item();
|
||||
//}
|
||||
|
||||
bool generate = ImGuiPureWrap::button(m_desc.at("auto_generate"));
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user