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Symbol



Symbol is the base class for all symbols. Symbols represent point, line, polygon,and mesh geometries as vector graphics within a View.Symbols can only be set directly on individual graphicsin a GraphicsLayer or in View.graphics.Otherwise they are assigned to a Renderer that is applied to aLayer.




symbol



While not expressly indicated in the tables above, 2D symbols are supported in 3DSceneViews while 3D symbols are notsupported in 2D MapViews. However, it is recommendedto favor 3D symbol types over 2D symbols when working in a SceneView.


A symbolset is a group of symbol instances that you create with theSymbol Sprayer tool. You can create mixed sets of symbol instancesby using the Symbol Sprayer tool with one symbol and then usingit again with another symbol.


As you work with symbol sets, keep in mind that the symbolismtools affect only the symbol or symbols selected in the Symbolspanel. For example, if you create a mixed symbol instance set thatrepresents a meadow with grass and flowers, you can change the orientationof just the grass by selecting the grass symbol in the Symbols paneland then using the Symbol Spinner tool. To change the size of boththe grass and the flowers, select both symbols in the Symbols paneland then use the Symbol Sizer tool.


You use the symbolism tools to modify multiple symbol instancesin a set. For example, you can disperse instances over a largerarea using the Symbol Scruncher tool or gradually tinting the colorof instances to make them look more realistic.


Although you can use symbolism tools on individual symbol instances,they are most effective when used on symbol sets. When working withindividual symbol instances, most of these tasks are easily accomplishedusing the tools and commands you use on regular objects.


TheSymbol Styler tool lets you apply or remove a graphic style froma symbol instance. You can control the amount and location of theapplication. For example, you can apply a style gradually so thatsome symbol instances display the style at full strength and othersdisplay the style at partial strength.


note: It is very important to performsteps 1 and 2 in the specified order. If you select a style whilea tool other than the symbolism tool is selected, the style will applyimmediately to the entire selected symbol instance set.


The Symbol Sprayer options (Scrunch, Size, Spin, Screen,Stain, and Style) appear under the General options in the Symbolism ToolsOptions dialog box only when the Symbol Sprayer tool is selected,and control how new symbol instances are added to symbol sets. Eachof these offers two choices:


The most important thing to understand when inserting symbols, fractions, special characters, or international characters is that the font you use is critical. Not all fonts have the same characters in them. For example, the Elephant font has no fraction characters in it, while Verdana does. As a result it's important to use the right font to find the symbol or character you want.


Different font sets often have different symbols in them and the most commonly used symbols are in the Segoe UI Symbol font set. Use the Font selector above the symbol list to pick the font you want to browse through.


Only a handful of common fractions have a symbol that you can substitute. For more unusual fractions, such as 8/9, you can approximate the symbol by setting the numerator as superscript and the denominator as subscript. For more information see Insert subscript or superscript text.


You can also use the character code of the symbol as a keyboard shortcut. Symbols and special characters are either inserted using ASCII or Unicode codes. You can tell which is which when you look up the code for the character.


Towards the bottom right you'll see boxes for Character code and a from:. The character code is what you'll enter to insert this symbol from the keyboard and the from: tells you what kind of character it is. If from: says "Unicode (hex)" it's a Unicode character. If from: says "Symbol (Decimal)" then it's an ASCII character.


The appearance of breadcrumbs can be customized. If you have very long paths or are only interested in either file paths or symbols paths, you can use the breadcrumbs.filePath and breadcrumbs.symbolPath settings. Both support on, off, and last and they define if or what part of the path you see. By default, breadcrumbs show file and symbol icons to the left of the breadcrumb but you can remove the icons by setting breadcrumbs.icons to false.


Some languages also support jumping to the type definition of a symbol by running the Go to Type Definition command from either the editor context menu or the Command Palette. This will take you to the definition of the type of a symbol. The command editor.action.goToTypeDefinition is not bound to a keyboard shortcut by default but you can add your own custom keybinding.


All the symbols depicted here must be evaluated in the context in which they appear. Few symbols represent just one idea or are used exclusively by one group. For example, the Confederate Flag is a symbol that is frequently used by white supremacists but which also has been used by people and groups that are not racist. Similarly, other symbols in this database may be significant to people who are not extreme or racist. The descriptions here point out significant multiple meanings but may not be able to relay every possible meaning of a particular symbol.


Context: In focusing on potentially localizable cognitive impairments, the schizophrenia meta-analytic literature has overlooked the largest single impairment: on digit symbol coding tasks.


Data extraction: Means, standard deviations, and sample sizes were extracted for digit symbol coding and 36 other cognitive variables. In addition, we recorded potential clinical moderator variables, including chronicity/severity, medication status, age, and education, and potential study design moderators, including coding task variant, matching, and study publication date.


Data synthesis: Main analyses synthesized data from 37 studies comprising 1961 patients with schizophrenia and 1444 comparison subjects. Combination of mean effect sizes across studies by means of a random effects model yielded a weighted mean effect for digit symbol coding of g = -1.57 (95% confidence interval, -1.66 to -1.48). This effect compared with a grand mean effect of g = -0.98 and was significantly larger than effects for widely used measures of episodic memory, executive functioning, and working memory. Moderator variable analyses indicated that clinical and study design differences between studies had little effect on the coding task effect. Comparison with previous meta-analyses suggested that current results were representative of the broader literature. Subsidiary analysis of data from relatives of patients with schizophrenia also suggested prominent coding task impairments in this group.


Conclusion: The 5-minute digit symbol coding task, reliable and easy to administer, taps an information processing inefficiency that is a central feature of the cognitive deficit in schizophrenia and deserves systematic investigation.


A handicap symbol is proof of the need for special transportation services. They are also used as proof for seating accommodations and other facilities for the disabled. The fee is waived for those who meet the qualifications for a veteran's driver's license.


Grade is also available in some text fonts. You can match grade levels betweentext and symbols for a harmonious visual effect. For example, if the text fonthas a -25 grade value, the symbols can match it with a suitable value, say -25.


For the image to look the same at different sizes, the stroke weight (thickness)changes as the icon size scales. Optical size offers a way to automaticallyadjust the stroke weight when you increase or decrease the symbol size.


A symbol is like an immutable string, but symbols arenormally interned, so that two symbols with the samecharacter content are normally eq?. All symbols produced bythe default reader (see Reading Symbols) are interned.


The two procedures string->uninterned-symbol andgensym generate uninterned symbols, i.e., symbolsthat are not eq?, eqv?, or equal? to anyother symbol, although they may print the same as other symbols.


The procedure string->unreadable-symbol returns anunreadable symbol that is partially interned. The defaultreader (see Reading Symbols) never produces a unreadablesymbol, but two calls to string->unreadable-symbol withequal? strings produce eq? results. An unreadablesymbol can print the same as an interned or uninternedsymbol. Unreadable symbols are useful in expansion andcompilation to avoid collisions with symbols that appear in thesource; they are usually not generated directly, but they can appearin the result of functions like identifier-binding.


Interned and unreadable symbols are only weakly held by the internalsymbol table. This weakness can never affect the result of aneq?, eqv?, or equal? test, but a symbol maydisappear when placed into a weak box (see Weak Boxes), used asthe key in a weak hash table (see Hash Tables), orused as an ephemeron key (see Ephemerons).


With radiating waves, a skull and crossbones and a running person, a new ionizing radiation warning symbol is being introduced to supplement the traditional international symbol for radiation, the three cornered trefoil.


The new symbol is being launched today by the IAEA and the International Organization for Standardization (ISO) to help reduce needless deaths and serious injuries from accidental exposure to large radioactive sources. It will serve as a supplementary warning to the trefoil, which has no intuitive meaning and little recognition beyond those educated in its significance.


The new symbol is aimed at alerting anyone, anywhere to the potential dangers of being close to a large source of ionizing radiation, the result of a five-year project conducted in 11 countries around the world. The symbol was tested with different population groups - mixed ages, varying educational backgrounds, male and female - to ensure that its message of "danger - stay away" was crystal clear and understood by all. 041b061a72


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