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Scientific Visualization Interview Questions & Answers - Learning Mode

Scientific Visualization Interview Questions & Answers - Learning Mode

From a computing perspective, SciVis is part of a greater field called visualization. This involves research in computer graphics, image processing, high performance computing, and other areas. The same tools that are used for SciVis may be applied to animation, or multimedia presentation, for example. Visualization today has ever-expanding applications in science, education, engineering (e.g., product visualization), interactive multimedia, medicine, etc. Typical of a visualization application is the field of computer graphics.

Try Scientific Visualization Interview Questions & Answers - Exam Mode


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Scientific Visualization Interview Questions & Answers - Learning Mode
Try Scientific Visualization Interview Questions & Answers - Exam Mode
Question: Have you built any components with actionscript? If so explain how you did it?

package components
{ import mx.controls.ComboBox;
public class CountryComboBox extends ComboBox
{ public function CountryComboBox()
{ dataProvider = [ "United States", "United Kingdom" ];


<?xml version="1.0" encoding="utf-8"?>

width="220" height="115"

<custom:CountryComboBox />
Question: I am going to add images into a tag. How will it resize itself in adobe flex actionscript?

Answer: To let Flex resize the image as part of laying out your application, set the height or width properties to a percentage value. Flex attempts to resize components with percentage values for these properties to the specified percentage of their parent container.

Or by default, Flex does not resize the image. The scaleContent property has a default value of true, therefore, Flex scales the image as it resizes it to fit the specified height and width. The aspect ratio is maintained by default Source:
Question: How do you implement push on a flex applications?

Answer: Using BlazeDS Server, LiveCycle Data Services Source:
Question: What is the difference between httpService and Data Service?

Answer: The services-config.xml configuration file is required at compile time if the Flex application uses Flex Data Services. In the case of RPC services, this applies to all applications that use RemoteObject or proxy-based WebService or HTTPService.
Question: Is it possible to make httpService Requests synchronous in adobe flex?

Answer: No.
Basically, what we are about to do is creating XMLHttpRequest with Javascript in Flex, and calling a server data with the parameters we will give to the object.
1. Request Type: GET or POST
2. Requested URL
3. Communication Type: true for asynchronous, false for synchronous.
Question: What is Scientific Visualization package?

Answer: The general topics include:<br><br> - Software and hardware requirements necessary to run a particular package;<br> - Software category, i.e. turnkey application or application builder;<br> - Implementation of the user interface, and its ease of use;<br> - Support for application building and functional extension;<br> - Support for distributive processing and computational steering;<br> - Documentation and help facilities. <br>< Source:
Question: How do you generate random numbers within a given limit with actionscript?

Answer: Math.round(Math.random() * (high - low)) + low
Question: What is Visualization techniques and methods?

Answer: The first visualization technique discussed is the generation of isosurfaces. Since the attributes consist of scalar data defined on a three dimensional grid, isosurfaces served as a natural way to extract surface geometry for this data set. By appropriate thresholding the colormap so that positive potential is represented by red, and negative potential by blue, a visualization was generated that indicated both the shape of the molecular orbits as well as their potential. An example using this i Source:
Question: What is Scientific Visualization Color coding?

Answer: <br>Colors and light are essential to visualization. Most visualization techniques contain a step in which data values are mapped to colors to make the range of the data visible (see the next sections). The interpretation of results produced by these visualization techniques depends crucially on the mapping of data to colors because the human eye is more sensitive to some parts of the visible spectrum of light than to Source:
Question: What is Scientific Visualization Glossary?

Answer: These techniques simulate continuous motion by rapidly displaying images. The viewer is given the impression that he is watching a continuous motion. To achieve this, the graphical hardware needs image display rates of at least 25 images per second, otherwise motion will look shaky. Most graphical hardware can not reach that display rate for moderate sized images, so one uses video hardware. Source:
Question: I need to load an image from flickr into my application. Do I need a crossdomain.xml file on flickr?

Answer: File is already there , we need to register our ip address to flicker?s crossdomain.xml
Since the images are located on a flickr server like and there is no crossdomain.xml file on that server (there is a crossdomain.xml for so you can use the api) that means you can?t get access to the bitmapData of the loaded images when you load them from flickr. This is dumb, but that?s the way it is. So you can load images just fine, but the reflection class copies Source:
Question: What is a resource Manager in flex actionscript?

Answer: The ResourceManager ? now handles access to all localized resources in an application. Any components that extend UIComponent, Formatter, or Validator now have a new resourceManager property, which lets you easily access the singleton instance of this manager. If you?re writing some other kind of class that needs to use the ResourceManager, you can call ResourceManager.getInstance() to get a reference to it.



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Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
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