在元素数据区，软件提供了下列元素扫描方法：包括直线、圆、圆弧、圆柱、平面、圆锥、键槽、曲线，在对应的元素右键菜单中，都有"定义扫描”的按钮，点击后可弹出扫描属性设置窗口。
使用选取工具条，抓取出CAD模型上的理论直线、圆、圆弧、圆柱、平面、圆锥、键槽、曲线，在理论元素节点上使用鼠标右键弹出菜单选项"定义扫描"，扫描属性页中，软件根据理论元素自动计算元素扫描的起始点、终止点、方向点。点击扫描按钮机器开始扫描。
程序设置如下：
路径：DMIS程序区/编辑区（程序数据区-DMIS功能工具条-“编辑当前行”）
程序工具栏里“编辑当前行”按钮可以编辑PATH/CURVE语句块，编辑窗口和定义控制路径扫描窗口类似。
在扫描控制点的第一个点位置上显示扫描方向指示箭头
扫描路径属性页
双击打开已知曲线扫描路径属性页，在第一个扫描点的位置自动显示扫描方向
已知曲线扫描路径鼠标右键菜单内容：复制路径、反转路径
定义控制路径扫描菜单选项：修改向量、复制向量、粘贴向量。
粘贴向量只有在复制向量后才会出现。点击修改向量后会弹出一个向量编辑窗口，下拉列表里选择向量的旋转平面，下面的两个按钮控制向量正反时针方向旋转。下拉列表里有：
Feature vector、X、Y，Z轴，Feature vector表示旋转平面为曲线的矢量平面，当曲线为2D是才有，3D曲线无此选项。IJK矢量可以直接手动修改。
SNSET/APPRCH, 2.0000
SNSET/RETRCT, 2.0000
SNSET/DEPTH, 0.0000
SNSET/SEARCH, 10.0000
SNSET/CLRSRF, F(PLN1), 20.0000
F(GCV1)=FEAT/GCURVE,CART,180.8755,152.2088,-6.1510,1.0000,0.0000,0.0000,IGES,'.\Data\Untitled\GCV1.igs'
$$ Path label = CSP_GCV1
P(CSP_GCV1) = PATH/CURVE, $
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F(GCV1)=FEAT/GCURVE,CART,180.8755,152.2088,-6.1510,1.0000,0.0000,0.0000,IGES,'.\Data\Untitled\GCV1.igs',$
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180.8755,72.2615,-7.4100,0.0000,0.1622,0.9868,$
180.8755,71.3036,-7.2430,0.0000,0.1815,0.9834,$
180.8755,70.3663,-7.0604,0.0000,0.2009,0.9796,$
180.8755,69.4582,-6.8650,0.0000,0.2200,0.9755,$
180.8755,68.5710,-6.6557,0.0000,0.2392,0.9710,$
180.8755,67.7049,-6.4333,0.0000,0.2582,0.9661,$
180.8755,66.8601,-6.1987,0.0000,0.2771,0.9608,$
180.8755,66.0283,-5.9499,0.0000,0.2959,0.9552,$
180.8755,65.2099,-5.6875,0.0000,0.3148,0.9492,$
180.8755,64.4133,-5.4146,0.0000,0.3333,0.9428,$
180.8755,63.6303,-5.1292,0.0000,0.3517,0.9361,$
180.8755,62.8611,-4.8316,0.0000,0.3700,0.9290,$
180.8755,62.0979,-4.5189,0.0000,0.3882,0.9216,$
180.8755,61.3491,-4.1948,0.0000,0.4062,0.9138,$
180.8755,60.6067,-3.8559,0.0000,0.4242,0.9056,$
180.8755,59.8789,-3.5063,0.0000,0.4418,0.8971,$
180.8755,59.1581,-3.1426,0.0000,0.4593,0.8883,$
180.8755,58.7966,-2.9534,0.0000,0.4680,0.8837
SCNSET/DRAG, DIST, 5.0000
CALL/M(EASI_CLEARPLN_GOTO), 0, 180.8755, 230.5743, -1.9189
MEAS/GCURVE, F(GCV1), 100
GOTO/CART, 180.8755, 229.4304, 0.8544
PAMEAS/P(CSP_GCV1)
GOTO/CART, 180.8755, 60.2006, -0.3023
ENDMES
曲线右键产生测量点和定义控制路径扫描窗口方法"Mesh"
用"Deflection"参数来控制点的密度，这个数值越大生成点的密度越小
曲线定义控制路径扫描，控制点右键的选项，用来增加或降低局部控制点的密度，局部指的是当前选择的控制点。此功能目前只适用于曲线定义控制路径扫描。
