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460 lines
12 KiB
HTML
460 lines
12 KiB
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<html>
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<head>
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<title>Measurement Tools</title>
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p.whs1 { font-family:'Lucida Console' , monospace; }
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</style><script type="text/javascript" language="javascript1.2" src="whmsg.js"></script>
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<script type="text/javascript" language="javascript" src="whver.js"></script>
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<script type="text/javascript" language="javascript1.2" src="whproxy.js"></script>
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if (window.addTocInfo)
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addTocInfo("GEOM module\nTUI Scripts\nMeasurement Tools");
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addButton("show",BTN_TEXT,"Show","","","","",0,0,"","","");
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setRelStartPage("geom.htm");
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document.location.reload();
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//-->
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</script>
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<h1>Measurement Tools</h1>
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<h3>Point Coordinates</h3>
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<p class="whs1">import geompy</p>
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<p> </p>
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<p># create a point</p>
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<p class="whs1">point = geompy.MakeVertex(15,
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23, 80)</p>
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<p> </p>
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<p># get point's coordinates and check its values</p>
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<p class="whs1">coords = geompy.PointCoordinates(point)</p>
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<p class="whs1">if coords[0] != 15
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or coords[1] != 23 or coords[2] != 80 :</p>
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<p class="whs1"> print
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"Coordinates of point must be (15, 23, 80), but returned (",
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coords[0], ", ", coords[1], ", ", coords[2], ")"</p>
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<p class="whs1">else :</p>
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<p><span style="font-family: 'Lucida Console', monospace;"> print
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"All values are OK."</span> </p>
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<h3>Basic Properties</h3>
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<p class="whs1">import geompy</p>
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<p class="whs1">import math</p>
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<p> </p>
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<p># create a box</p>
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<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
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<p class="whs1">props = geompy.BasicProperties(box)</p>
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<p class="whs1">print "\nBox
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100x30x100 Basic Properties:"</p>
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<p class="whs1">print " Wires
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length: ", props[0]</p>
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<p class="whs1">print " Surface
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area: ", props[1]</p>
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<p class="whs1">print " Volume
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:
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", props[2]</p>
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<p class="whs1">length = math.sqrt((props[0]
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- 1840)*(props[0] - 1840))</p>
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<p class="whs1">area = math.sqrt((props[1]
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- 32000)*(props[1] - 32000))</p>
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<p class="whs1">volume = math.sqrt((props[2]
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- 300000)*(props[2] - 300000))</p>
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<p class="whs1">if length > 1e-7
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or area > 1e-7 or volume > 1e-7:</p>
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<p class="whs1"> print
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"While must be:"</p>
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<p class="whs1"> print
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" Wires length: ", 1840</p>
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<p class="whs1"> print
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" Surface area: ", 32000</p>
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<p class="whs1"> print
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" Volume :
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", 300000.</p>
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<h3>Center of masses</h3>
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<p class="whs1">import geompy</p>
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<p class="whs1">import math</p>
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<p class="whs1"> </p>
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<p class="whs2"># create a box</p>
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<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
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<p class="whs1">cm = geompy.MakeCDG(box)</p>
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<p class="whs1">if cm is None:</p>
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<p class="whs1"> raise
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RuntimeError, "MakeCDG(box) failed"</p>
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<p class="whs1">else:</p>
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<p class="whs1"> print
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"\nCentre of gravity of box has been successfully obtained:"</p>
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<p class="whs1"> coords
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= geompy.PointCoordinates(cm)</p>
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<p class="whs1"> print
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"(", coords[0], ", ", coords[1], ", ", coords[2],
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")"</p>
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<p class="whs1"> dx
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= math.sqrt((coords[0] - 50)*(coords[0] - 50))</p>
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<p class="whs1"> dy
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= math.sqrt((coords[1] - 15)*(coords[1] - 15))</p>
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<p class="whs1"> dz
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= math.sqrt((coords[2] - 50)*(coords[2] - 50))</p>
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<p class="whs1"> if
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dx > 1e-7 or dy > 1e-7 or dz > 1e-7:</p>
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<p class="whs1"> print
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"But must be (50, 15, 50)" </p>
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<h3>Inertia</h3>
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<p class="whs1">import geompy</p>
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<p class="whs1">import math</p>
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<p class="whs1"> </p>
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<p class="whs2"># create a box</p>
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<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
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<p class="whs1">In = geompy.Inertia(box)</p>
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<p class="whs1">print "\nInertia
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matrix of box 100x30x100:"</p>
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<p class="whs1">print " (",
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In[0], ", ", In[1], ", ", In[2], ")"</p>
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<p class="whs1">print " (",
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In[3], ", ", In[4], ", ", In[5], ")"</p>
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<p class="whs1">print " (",
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In[6], ", ", In[7], ", ", In[8], ")"</p>
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<p class="whs1">print "Main moments
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of inertia of box 100x30x100:"</p>
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<p class="whs1">print " Ix =
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", In[9], ", Iy = ", In[10], ", Iz = ", In[11]
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</p>
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<p class="whs1"> </p>
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<h3>Bounding Box</h3>
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<p class="whs1">import geompy</p>
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<p class="whs1"> </p>
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<p class="whs2"># create a box</p>
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<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
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<p class="whs1">bb = geompy.BoundingBox(box)</p>
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<p class="whs1">print "\nBounding
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Box of box 100x30x100:"</p>
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<p class="whs1">print " Xmin
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= ", bb[0], ", Xmax = ", bb[1]</p>
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<p class="whs1">print " Ymin
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= ", bb[2], ", Ymax = ", bb[3]</p>
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<p class="whs1">print " Zmin
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= ", bb[4], ", Zmax = ", bb[5] </p>
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<p class="whs1"> </p>
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<p class="whs1"> </p>
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<h3>Minimal Distance </h3>
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<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
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geompy</span></p>
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<p class="whs1"> </p>
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<p class="whs2"># create boxes</p>
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<p class="whs1">box1 = geompy.MakeBoxDXDYDZ(100,30,100)</p>
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<p class="whs1">box2 = geompy.MakeBox(105,0,0,200,30,100)</p>
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<p class="whs1">min_dist = geompy.MinDistance(box1,box2)</p>
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<p class="whs1">print "\nMinimal
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distance between box1 and box2 = ", min_dist </p>
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<p class="whs1"> </p>
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<p class="whs1">Point Coordinates</p>
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<p class="whs1"> </p>
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<p class="whs1"> </p>
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<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
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geompy</span></p>
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<p class="whs1"># create a point</p>
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<p class="whs1">point = geompy.MakeVertex(15,
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23, 80)</p>
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<p class="whs1"># get point's coordinates
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and check its values</p>
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<p class="whs1">coords = geompy.PointCoordinates(point)</p>
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<p class="whs1">if coords[0] != 15
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or coords[1] != 23 or coords[2] != 80 :</p>
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<p class="whs1"> print
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"Coordinates of point must be (15, 23, 80), but returned (",
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coords[0], ", ", coords[1], ", ", coords[2], ")"</p>
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<p class="whs1">else :</p>
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<p class="whs1"> print
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"All values are OK." </p>
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<p class="whs1"> </p>
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<h3>Tolerance</h3>
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<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
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geompy</span></p>
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<p class="whs1"> </p>
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<p class="whs2"># create a box</p>
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<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
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<p class="whs1">Toler = geompy.Tolerance(box)</p>
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<p class="whs1">print "\nBox
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100x30x100 tolerance:"</p>
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<p class="whs1">print " Face
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min. tolerance: ", Toler[0]</p>
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<p class="whs1">print " Face
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max. tolerance: ", Toler[1]</p>
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<p class="whs1">print " Edge
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min. tolerance: ", Toler[2]</p>
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<p class="whs1">print " Edge
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max. tolerance: ", Toler[3]</p>
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<p class="whs1">print " Vertex
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min. tolerance: ", Toler[4]</p>
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<p class="whs1">print " Vertex
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max. tolerance: ", Toler[5] </p>
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<p class="whs1"> </p>
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<h3>What Is</h3>
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<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
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geompy</span></p>
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<p class="whs1"> </p>
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<p class="whs2"># create a box</p>
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<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
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<p class="whs1">Descr = geompy.WhatIs(box)</p>
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<p class="whs1">print "\nBox
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100x30x100 description:"</p>
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<p class="whs1">print Descr </p>
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<p class="whs1"> </p>
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<h3>Check Shape</h3>
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<p class="whs1">import geompy</p>
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<p class="whs1"> </p>
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<p class="whs2"># create a box</p>
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<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
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<p class="whs1">IsValid = geompy.CheckShape(box)</p>
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||
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||
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<p class="whs1">if IsValid == 0:</p>
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||
|
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||
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|
<p class="whs1"> raise
|
||
|
|
RuntimeError, "Invalid box created"</p>
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||
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|
||
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<p class="whs1">else:</p>
|
||
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||
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|
<p class="whs1"> print
|
||
|
|
"\nBox is valid" </p>
|
||
|
|
|
||
|
|
<p class="whs1"> </p>
|
||
|
|
|
||
|
|
<p class="whs1"> </p>
|
||
|
|
|
||
|
|
<h3>Check Compound of Blocks</h3>
|
||
|
|
|
||
|
|
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
|
||
|
|
geompy</span></p>
|
||
|
|
|
||
|
|
<p class="whs1">import salome</p>
|
||
|
|
|
||
|
|
<p class="whs1">gg = salome.ImportComponentGUI("GEOM")</p>
|
||
|
|
|
||
|
|
<p class="whs1"> </p>
|
||
|
|
|
||
|
|
<p class="whs2"># create boxes</p>
|
||
|
|
|
||
|
|
<p class="whs1">box1 = geompy.MakeBox(0,0,0,100,50,100)</p>
|
||
|
|
|
||
|
|
<p class="whs1">box2 = geompy.MakeBox(100,0,0,250,50,100)</p>
|
||
|
|
|
||
|
|
<p class="whs1"> </p>
|
||
|
|
|
||
|
|
<p class="whs2"># make compound</p>
|
||
|
|
|
||
|
|
<p class="whs1">compound = geompy.MakeCompound([box1,
|
||
|
|
box2])</p>
|
||
|
|
|
||
|
|
<p class="whs1"> </p>
|
||
|
|
|
||
|
|
<p class="whs2"># glue compound's faces</p>
|
||
|
|
|
||
|
|
<p class="whs1">tolerance = 1e-5</p>
|
||
|
|
|
||
|
|
<p class="whs1">glue = geompy.MakeGlueFaces(compound,
|
||
|
|
tolerance)</p>
|
||
|
|
|
||
|
|
<p class="whs1">IsValid = geompy.CheckCompoundOfBlocks(glue)</p>
|
||
|
|
|
||
|
|
<p class="whs1">if IsValid == 0:</p>
|
||
|
|
|
||
|
|
<p class="whs1"> raise
|
||
|
|
RuntimeError, "Invalid compound created"</p>
|
||
|
|
|
||
|
|
<p class="whs1">else:</p>
|
||
|
|
|
||
|
|
<p class="whs1"> print
|
||
|
|
"\nCompound is valid" </p>
|
||
|
|
|
||
|
|
<p class="whs1"> </p>
|
||
|
|
|
||
|
|
<p class="whs1"> </p>
|
||
|
|
|
||
|
|
<p class="whs1"> </p>
|
||
|
|
|
||
|
|
<script type="text/javascript" language="javascript1.2">
|
||
|
|
<!--
|
||
|
|
if (window.writeIntopicBar)
|
||
|
|
writeIntopicBar(0);
|
||
|
|
//-->
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|