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<h1>Measurement Tools</h1>
<h3>Point Coordinates</h3>
<p class="whs1">import geompy</p>
<p> </p>
<p># create a point</p>
<p class="whs1">point = geompy.MakeVertex(15,
23, 80)</p>
<p> </p>
<p># get point's coordinates and check its values</p>
<p class="whs1">coords = geompy.PointCoordinates(point)</p>
<p class="whs1">if coords[0] != 15
or coords[1] != 23 or coords[2] != 80 :</p>
<p class="whs1"> print
"Coordinates of point must be (15, 23, 80), but returned (",
coords[0], ", ", coords[1], ", ", coords[2], ")"</p>
<p class="whs1">else :</p>
<p><span style="font-family: 'Lucida Console', monospace;"> print
"All values are OK."</span> </p>
<h3>Basic Properties</h3>
<p class="whs1">import geompy</p>
<p class="whs1">import math</p>
<p> </p>
<p># create a box</p>
<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
<p class="whs1">props = geompy.BasicProperties(box)</p>
<p class="whs1">print "\nBox
100x30x100 Basic Properties:"</p>
<p class="whs1">print " Wires
length: ", props[0]</p>
<p class="whs1">print " Surface
area: ", props[1]</p>
<p class="whs1">print " Volume
:
", props[2]</p>
<p class="whs1">length = math.sqrt((props[0]
- 1840)*(props[0] - 1840))</p>
<p class="whs1">area = math.sqrt((props[1]
- 32000)*(props[1] - 32000))</p>
<p class="whs1">volume = math.sqrt((props[2]
- 300000)*(props[2] - 300000))</p>
<p class="whs1">if length > 1e-7
or area > 1e-7 or volume > 1e-7:</p>
<p class="whs1"> print
"While must be:"</p>
<p class="whs1"> print
" Wires length: ", 1840</p>
<p class="whs1"> print
" Surface area: ", 32000</p>
<p class="whs1"> print
" Volume :
", 300000.</p>
<h3>Center of masses</h3>
<p class="whs1">import geompy</p>
<p class="whs1">import math</p>
<p class="whs1"> </p>
<p class="whs2"># create a box</p>
<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
<p class="whs1">cm = geompy.MakeCDG(box)</p>
<p class="whs1">if cm is None:</p>
<p class="whs1"> raise
RuntimeError, "MakeCDG(box) failed"</p>
<p class="whs1">else:</p>
<p class="whs1"> print
"\nCentre of gravity of box has been successfully obtained:"</p>
<p class="whs1"> coords
= geompy.PointCoordinates(cm)</p>
<p class="whs1"> print
"(", coords[0], ", ", coords[1], ", ", coords[2],
")"</p>
<p class="whs1"> dx
= math.sqrt((coords[0] - 50)*(coords[0] - 50))</p>
<p class="whs1"> dy
= math.sqrt((coords[1] - 15)*(coords[1] - 15))</p>
<p class="whs1"> dz
= math.sqrt((coords[2] - 50)*(coords[2] - 50))</p>
<p class="whs1"> if
dx > 1e-7 or dy > 1e-7 or dz > 1e-7:</p>
<p class="whs1"> print
"But must be (50, 15, 50)" </p>
<h3>Inertia</h3>
<p class="whs1">import geompy</p>
<p class="whs1">import math</p>
<p class="whs1"> </p>
<p class="whs2"># create a box</p>
<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
<p class="whs1">In = geompy.Inertia(box)</p>
<p class="whs1">print "\nInertia
matrix of box 100x30x100:"</p>
<p class="whs1">print " (",
In[0], ", ", In[1], ", ", In[2], ")"</p>
<p class="whs1">print " (",
In[3], ", ", In[4], ", ", In[5], ")"</p>
<p class="whs1">print " (",
In[6], ", ", In[7], ", ", In[8], ")"</p>
<p class="whs1">print "Main moments
of inertia of box 100x30x100:"</p>
<p class="whs1">print " Ix =
", In[9], ", Iy = ", In[10], ", Iz = ", In[11]
</p>
<p class="whs1"> </p>
<h3>Bounding Box</h3>
<p class="whs1">import geompy</p>
<p class="whs1"> </p>
<p class="whs2"># create a box</p>
<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
<p class="whs1">bb = geompy.BoundingBox(box)</p>
<p class="whs1">print "\nBounding
Box of box 100x30x100:"</p>
<p class="whs1">print " Xmin
= ", bb[0], ", Xmax = ", bb[1]</p>
<p class="whs1">print " Ymin
= ", bb[2], ", Ymax = ", bb[3]</p>
<p class="whs1">print " Zmin
= ", bb[4], ", Zmax = ", bb[5] </p>
<p class="whs1"> </p>
<p class="whs1"> </p>
<h3>Minimal Distance </h3>
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
geompy</span></p>
<p class="whs1"> </p>
<p class="whs2"># create boxes</p>
<p class="whs1">box1 = geompy.MakeBoxDXDYDZ(100,30,100)</p>
<p class="whs1">box2 = geompy.MakeBox(105,0,0,200,30,100)</p>
<p class="whs1">min_dist = geompy.MinDistance(box1,box2)</p>
<p class="whs1">print "\nMinimal
distance between box1 and box2 = ", min_dist </p>
<p class="whs1"> </p>
<p class="whs1">Point Coordinates</p>
<p class="whs1"> </p>
<p class="whs1"> </p>
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
geompy</span></p>
<p class="whs1"># create a point</p>
<p class="whs1">point = geompy.MakeVertex(15,
23, 80)</p>
<p class="whs1"># get point's coordinates
and check its values</p>
<p class="whs1">coords = geompy.PointCoordinates(point)</p>
<p class="whs1">if coords[0] != 15
or coords[1] != 23 or coords[2] != 80 :</p>
<p class="whs1"> print
"Coordinates of point must be (15, 23, 80), but returned (",
coords[0], ", ", coords[1], ", ", coords[2], ")"</p>
<p class="whs1">else :</p>
<p class="whs1"> print
"All values are OK." </p>
<p class="whs1"> </p>
<h3>Tolerance</h3>
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
geompy</span></p>
<p class="whs1"> </p>
<p class="whs2"># create a box</p>
<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
<p class="whs1">Toler = geompy.Tolerance(box)</p>
<p class="whs1">print "\nBox
100x30x100 tolerance:"</p>
<p class="whs1">print " Face
min. tolerance: ", Toler[0]</p>
<p class="whs1">print " Face
max. tolerance: ", Toler[1]</p>
<p class="whs1">print " Edge
min. tolerance: ", Toler[2]</p>
<p class="whs1">print " Edge
max. tolerance: ", Toler[3]</p>
<p class="whs1">print " Vertex
min. tolerance: ", Toler[4]</p>
<p class="whs1">print " Vertex
max. tolerance: ", Toler[5] </p>
<p class="whs1"> </p>
<h3>What Is</h3>
<p class="whs1"><span style="font-family: 'Lucida Console', monospace;">import
geompy</span></p>
<p class="whs1"> </p>
<p class="whs2"># create a box</p>
<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
<p class="whs1">Descr = geompy.WhatIs(box)</p>
<p class="whs1">print "\nBox
100x30x100 description:"</p>
<p class="whs1">print Descr </p>
<p class="whs1"> </p>
<h3>Check Shape</h3>
<p class="whs1">import geompy</p>
<p class="whs1"> </p>
<p class="whs2"># create a box</p>
<p class="whs1">box = geompy.MakeBoxDXDYDZ(100,30,100)</p>
<p class="whs1">IsValid = geompy.CheckShape(box)</p>
<p class="whs1">if IsValid == 0:</p>
<p class="whs1"> raise
RuntimeError, "Invalid box created"</p>
<p class="whs1">else:</p>
<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>
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