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<title>Spline/NURBS Formats</title>

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<h1 CLASS=ChapName><span style="font-weight: bold;">Spline/NURBS Formats</span></h1>

<h1>NOMENCLATURE</h1>

<p CLASS=Paragraph>n = number of control points in the current NURBS.</p>

<p CLASS=Paragraph>p = order value of the current NURBS.</p>

<p CLASS=Paragraph>x_?, y_?, z_? = coordinates of a control point.</p>

<p CLASS=Paragraph>k_ = knot value of the current NURBS at a specified 
 control point.</p>

<h1>&nbsp;</h1>

<h1>AVAILABLE FORMATS</h1>

<h3>FANUC-15MB</h3>

<!--(Table)=========================================================-->
<table x-use-null-cells
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		style="border-spacing: 0px; margin-top: 14pt;"
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<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>G06.2 Pp</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>K0.0 Xx_0 Yy_0 Zz_0 Ff0;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>preceeding last point</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>K0.0 Xx_1 Yy_1 Zz_1;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>1st control point of the current spline</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>K0.0 Xx_2 Yy_2 Zz_2;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>2nd control point of the current spline</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>.... ... ... ...</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>K0.0 Xx_p-1 Yy_p-1 Zz_p-1;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>Kk_1 Xx_p Yy_p Zz_p;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>Kk_2 Xx_p+1 Yy_p+1 Zz_p+1;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>.... ... ... ...</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>Kk_n-p+1 Xx_n Yy_n Zz_n;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>K1.0 (value k_n-p+2);</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>K1.0 (value k_n-p+2);</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>.... ... p times</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td></tr>
</table>

<h3>&nbsp;</h3>

<h3>SINUMERIC-840D</h3>

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		wrapperparagraphselector=H3
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<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>BSPLINE SD=</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>(p-1) Xx_1 Yy_1 Zz_1 Ff</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>PL=k_1 Xx_2 Yy_2 Zz_2</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>PL=(k_2 - k_1) Xx_3 Yy_3 Zz_3</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>.... ... ... ...</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>PL=(k_n-p+2 - k_n-p+1) Xx_n-p+3 Yy_n-p+3 Zz_n-p+3</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>.... ... ... ...</td></tr>

<tr>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p>&nbsp;</td>
<td style="x-cell-content-align: TOP;
			padding-left: 2px;
			padding-top: 2px;
			padding-right: 2px;
			padding-bottom: 2px;"
	valign=top>
<p CLASS=CellDescrip
	style="text-align: left; margin-bottom: 0;"
	align=left>Xx_n Yy_n Zz_n</td></tr>
</table>

<ul>
	
	<li class=kadov-P-CNote><p CLASS=Note><span style="font-weight: bold;">NOTE:</span><span 
 style="font-weight: normal;"> </span>For information related to CL Source 
 File format for B-spline Output, refer to the <span style="font-style: italic;">NX 
 Manufacturing Help</span>. </p></li>
</ul>

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