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Cylinder base moved to z=0

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This commit is contained in:
Luke Campagnola 2014-02-11 23:13:31 -05:00
parent 79af643955
commit 283a568693
1 changed files with 2 additions and 2 deletions
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pyqtgraph/opengl/MeshData.py
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@ -529,8 +529,8 @@ class MeshData(object):
radius = [radius, radius] # convert to list radius = [radius, radius] # convert to list
## compute vertexes ## compute vertexes
th = np.linspace(2 * np.pi, 0, cols).reshape(1, cols) th = np.linspace(2 * np.pi, 0, cols).reshape(1, cols)
r = (np.linspace(radius[0],radius[1],num=rows+1, endpoint=True)).reshape(rows+1, 1) # radius as a function of z r = np.linspace(radius[0],radius[1],num=rows+1, endpoint=True).reshape(rows+1, 1) # radius as a function of z
verts[...,2] = np.linspace(-length/2.0, length/2.0, num=rows+1, endpoint=True).reshape(rows+1, 1) # z verts[...,2] = np.linspace(0, length, num=rows+1, endpoint=True).reshape(rows+1, 1) # z
if offset: if offset:
th = th + ((np.pi / cols) * np.arange(rows+1).reshape(rows+1,1)) ## rotate each row by 1/2 column th = th + ((np.pi / cols) * np.arange(rows+1).reshape(rows+1,1)) ## rotate each row by 1/2 column
verts[...,0] = r * np.cos(th) # x = r cos(th) verts[...,0] = r * np.cos(th) # x = r cos(th)