1SoText3(3IV)()                                                  SoText3(3IV)()
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NAME

6       SoText3 — 3D text shape node
7

INHERITS FROM

9       SoBase > SoFieldContainer > SoNode > SoShape > SoText3
10

SYNOPSIS

12       #include <Inventor/nodes/SoText3.h>
13
14     enum Justification {
15          SoText3::LEFT       Left edges of all strings are aligned
16          SoText3::RIGHT      Right edges of all strings are aligned
17          SoText3::CENTER     Centers of all strings are aligned
18     }
19
20     enum Part {
21          SoText3::FRONT      Front faces of characters
22          SoText3::SIDES      Extruded sides of characters
23          SoText3::BACK       Back faces of characters
24          SoText3::ALL        All parts
25     }
26
27          Fields from class SoText3:
28
29     SoMFString          string
30     SoSFFloat           spacing
31     SoSFBitMask         parts
32     SoSFEnum            justification
33
34          Methods from class SoText3:
35
36                         SoText3()
37     static SoType       getClassTypeId()
38
39          Methods from class SoNode:
40
41     void                setOverride(SbBool state)
42     SbBool              isOverride() const
43     SoNode *            copy(SbBool copyConnections = FALSE) const
44     virtual SbBool      affectsState() const
45     static SoNode *     getByName(const SbName &name)
46     static int          getByName(const SbName &name, SoNodeList &list)
47
48          Methods from class SoFieldContainer:
49
50     void                setToDefaults()
51     SbBool              hasDefaultValues() const
52     SbBool              fieldsAreEqual(const SoFieldContainer *fc) const
53     void                copyFieldValues(const  SoFieldContainer  *fc,  SbBool
54                              copyConnections = FALSE)
55     SbBool              set(const char *fieldDataString)
56     void                get(SbString &fieldDataString)
57     virtual int         getFields(SoFieldList &resultList) const
58     virtual SoField *   getField(const SbName &fieldName) const
59     SbBool              getFieldName(const SoField *field, SbName &fieldName)
60                              const
61     SbBool              isNotifyEnabled() const
62     SbBool              enableNotify(SbBool flag)
63
64          Methods from class SoBase:
65
66     void                ref()
67     void                unref() const
68     void                unrefNoDelete() const
69     void                touch()
70     virtual SoType      getTypeId() const
71     SbBool              isOfType(SoType type) const
72     virtual void        setName(const SbName &name)
73     virtual SbName      getName() const
74
75

DESCRIPTION

77       This  node  defines  one  or  more strings of 3D text. In contrast with
78       SoText2, 3D text can be rotated, scaled, lighted,  and  textured,  just
79       like all other 3D shapes. Each character in a 3D text string is created
80       by extruding an outlined version of the character (in the current type‐
81       face)  along  the  current  profile,  as  defined by nodes derived from
82       SoProfile. The default  text  profile,  if  none  is  specified,  is  a
83       straight line segment one unit long.
84
85       The  text  origin  is at (0,0,0) after applying the current transforma‐
86       tion. The scale of the text is affected by the size field of  the  cur‐
87       rent SoFont as well as the current transformation.
88
89       SoText3  uses the current set of materials when rendering. If the mate‐
90       rial binding is OVERALL, then the whole text is drawn  with  the  first
91       material.  If it is PER_PART or PER_PART_INDEXED, the front part of the
92       text is drawn with the first material, the sides with the  second,  and
93       the back with the third.
94
95       Textures are applied to 3D text as follows. On the front and back faces
96       of the text, the texture origin is at  the  base  point  of  the  first
97       string;  the base point is at the lower left for justification LEFT, at
98       the lower right for RIGHT, and at the lower center for CENTER. The tex‐
99       ture is scaled equally in both S and T dimensions, with the font height
100       representing 1 unit. S increases to the right on the front faces and to
101       the  left  on  the  back faces. On the sides, the texture is scaled the
102       same as on the front and back. S is equal to 0 at the rear edge of  the
103       side  faces.  The  T  origin  can  occur anywhere along each character,
104       depending on how that character's outline is defined.
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FIELDS

107     SoMFString          string
108          The text string(s) to display. Each string will appear  on  its  own
109          line. The string(s) can be ascii or UTF-8.
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111     SoSFFloat           spacing
112          Defines  the distance (in the negative y direction) between the base
113          points of successive strings, measured with respect to  the  current
114          font  height.  A  value  of 1 indicates single spacing, a value of 2
115          indicates double spacing, and so on.
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117     SoSFBitMask         parts
118          Which parts of text are visible. Note that, for speed,  the  default
119          for this field is FRONT only.
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121     SoSFEnum            justification
122          Indicates  placement  and alignment of strings. With LEFT justifica‐
123          tion, the left edge of the first line is at the  (transformed)  ori‐
124          gin, and all left edges are aligned. RIGHT justification is similar.
125          CENTER justification places the center of the first  string  at  the
126          (transformed)  origin,  with  the  centers  of all remaining strings
127          aligned under it.
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129

METHODS

131                         SoText3()
132          Creates a 3D text node with default settings.
133
134     static SoType       getClassTypeId()
135          Returns type identifier for this class.
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137

ACTION BEHAVIOR

139       SoGLRenderAction
140          Draws text based on  the  current  font,  profiles,  transformation,
141          drawing style, material, texture, complexity, and so on.
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143     SoRayPickAction
144          Performs a pick on the text. The string index and character position
145          are available from the SoTextDetail.
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147     SoGetBoundingBoxAction
148          Computes the bounding box that encloses the text.
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150     SoCallbackAction
151          If any triangle callbacks are registered with the action, they  will
152          be invoked for each successive triangle used to approximate the text
153          geometry.
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FILE FORMAT/DEFAULTS

157       Text3 {
158          string         ""
159          spacing        1
160          justification  LEFT
161          parts          FRONT
162     }
163

SEE ALSO

165       SoFont, SoProfile, SoText2, SoTextDetail
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170                                                                SoText3(3IV)()
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