Monday, September 27, 2010

Sonic Foundry Vegas 4.0 Dynamic subtitles novice Collection 16


This example was originally a teaching Aoobe Premiere example of the basic skills are added to improve the common integrated works. VEGAS we can use very easy to make this effect.

Instance of the original Aoobe Premiere bottom of the video material is not, subtitles below a layer of natural water used corrugated material. In this example, I slightly modified, with the bottom of the instance of material. Corrugated material is not used water directly using the VEGAS media generator to generate a dynamic water ripple effect through the end of a subtitle. Effects of the instances are divided into two subtitles, subtitles do a corrugated bottom with water, the other section of the end to do with the video material itself. Good results, titles, show the glass effect.

Analysis of known instances, the use of the key points are: color gradient, subtitles rotation, dynamic backgrounds generated video, "a magnifying glass."



Preparation:

Add 6 in VEGAS video track, put the original material to six video track. Of course, we do not start editing the time to know how much will be used in the video track, then put the original material into the bottom of the video track. Need to use other video track on the shortcut keys CTRL + SHIFT + Q to add a layer of the video track. If you want to add a layer of the video track above the video track, right click the video track, then right to open the menu, select "Insert Video Track", the new video track to just add on top of the track in this video.

Color gradient

Generate color gradient background in many occasions both as a title background and the integration of the main screen can be natural. So master the use of color gradient generation is very important. Ok in Kara previously done a caption subtitles in a simple example is the use of the prompt color gradient generation. This is only a small color gradient used in the test chopper. Many also use the actual color gradient mask, and the background, here I will introduce the color gradient on the performance of video material the effect of the screen.

Builder in the media drag a transparent color transition gradient (Linear Black to Transparent) to five video tracks, make right in the track located above the video material.



Then open the Linear Black to Transparent property setting dialog box will appear on the map interface. We see the largest region Figure 3 control points, respectively mark for the 1,2 and the center of a cross-shaped control points. Mouse can drag the control point 1 up and down and move around. Drag the control point No. 1 to the upper left corner, the whole point of the linear gradient was inclined transition. Click on the 2nd control point, select the area to the right, select the blue color and then adjust the transparency of semi-transparent.



To get accurate results, you can also enter the color bar below the numerical values: 0,0,255, ALPHA value of 160. Then drag the control point cross-type center position slightly in the lower right. Then the original material of this semi-transparent gradient overlay colors, soften the lower right corner has a blue background. As illustrated



Video "magnifying glass"

Subtitling mask, the whole hollow in through the original screen subtitles. If not addressed, subtitles indistinguishable between itself and open to the original screen. Usually then two ways to achieve both increased subtitle font and background images of the contrast, but also makes the transparent effect is maintained.

The first method is to change the font color and brightness through the screen contrast. Can be added to increase or decrease the brightness and color of the plug, adjust the screen to highlight the contrast between the sub-rail purposes.

The second method is to change the font size through the screen. This change takes a little skill, both to maintain transparency and consistency of plans, but also a contrast shown. Then I thought of lens theory, how do we distinguish or in front of the Virtual image through a lens do? Of course, because the image through a lens shape changes occurred, or changes in size. Can be the first track (female track) of the TRACK MOTION or material on the first track PAN property regulation to achieve this objective. This example used to make TRACK MOTION. Open the home track TRACK MOTION property regulation, regulation in the video frame boundary an arbitrary vertex pull with the mouse, making the entire home track frame slightly reduced. Then look at the preview screen you can see the fonts and background images of the hollow frame through a slightly different, but also continuity. Highlight the fonts borders, and background images to retain the screen font consistency, to achieve goals.






[Next]



Subtitles rotation

Transparent subtitles in the bottom of a solid rotation of four words, when the two sports as a set of rotation. Therefore, this effect is divided into two titles do.

4,5-rail track in the video section to add a default caption text of all (Default Text). Text as the fourth track "MORE FUN", the fifth track written for the "MORE TRY". Font size 24, using the default white color, fonts, colors do not use the edge, add a black shadow on the font.



Article in the subtitle layout panel (PLACEMENT) to rotate the text to move to the bottom left of the text transparent. As Fig. Directly with the mouse to drag the can. Observation of the preview window to determine the appropriate location. The same method on another set subtitle MORE FUN. The right location at the same Y coordinates MORE TRY.

Rotation

Described on the title below to rotate. Open the fifth track EVENT PAN / CROP Properties Settings dialog box. Can see that the subtitles will not rotate in the center of the screen, if the usual method of direct rotation, the subtitles will center around a planetary motion pictures, the effect is clearly not what we need. How the center of the screen in subtitles for non-rotational set it? This requires changing the center of rotation. Previously talked about EVENT PAN / CROP Properties Settings dialog box screen center dots, the dot is the center of the screen rotation. Mouse to point to the dot, with the arrow icon into the cross-shaped, as shown below. Drag this dot to the MORE TYR center of the word, about the letter E in the vicinity.



Done this step, then the timeline below 4,5 seconds in the middle double-click, add a key frame. As shown below. At this point the mouse point to a corner of the screen, the mouse pointer becomes a circle with arrows, Fig. At this point the mouse counterclockwise around the rotation center of a circle-like drag. Drag the center of rotation occurs when a clock drawing, in which short-rotation pin point how much that has been transferred, long needle, said rotation angle. Counterclockwise rotation as illustrated by Figure 6 laps. After rotating the position requirements and the same starting position, the rotation should be a multiple of 360. Usually can not accurately grasp the angle towards the mouse. Then the angle can take values in the left column enter the point of numerical methods to obtain accurate values. My approach is usually the mouse to rotate the number of laps you can see the effect, the final value is usually more or less 4 degrees. Value column in the point of the mantissa can be removed. This method is very intuitive and simple.

Why must we do if the anti-clockwise? In fact, this is only effective for purposes of this subtitle. As a reader using the rotation characteristics, the fully clockwise, or clockwise rotation of the first few laps, then counterclockwise a few times, or turn rows. Flexibility according to the actual situation.



Similarly on the track 4 subtitles are set, the only difference is the location of key frames in 5 seconds later. Center of rotation is also the center of the track 4 title, is located in the lower right of the screen.

Speed rotation techniques

This rotation is uniform title made rotation, rotation speed if you want to create the subtitles. Such as rotation speed from fast to slow or from slow to fast. Key frame and the final results between the start key frame and add a key frame, key frame control center rotation speed rotation can be effective.



Finally the need to control subtitle display time, the effect of using the fade in effects production. To 4,5 to add two video tracks subtitles fade in effect. Fade in line with the mouse you can pull. The fourth rail for display in the back, fade in line more extended than the fifth track to the rear.

So far this dynamic subtitles completed.






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Thursday, September 16, 2010

EDI array of 42 disks to restore all 3 groups Raid5 Raiders



EDI6600FF series is a high-performance Fibre Channel storage products, EDI6600FF of a disk subsystem can support 14 disks, when you need more storage capacity, can connect up to 8 sub-systems to achieve the total capacity of 112 drives.

This case is an expansion of the main cabinet and the cabinet composed of the three Group 4 raid5

Fault Description:

As the Raid card hardware failure, resulting in 4 groups Raid5 in the 3 groups on the system is not aware of. Array data is very important, even if replacement Raid card, reconfigure raid information, we can not guarantee data security. After further consideration, the customer decided to find a relatively safe way to back up data and then decide to replace hardware.

Solution:

The face in front of 42 from the array of pull down the size of the optical interface 146GB hard drive, technical engineer without extensive experience and deep knowledge of data recovery, one can not calm themselves, and second, convince customers. Escort age boys calmly took the project.

The first step to determine the hard disk block number from 1-42, the first group, second, third fault Raid5 composed by 14 disk. Each raid of 14 tray is not a node 14 disk, but a few nodes in the set are, fortunately hardware engineers in the configuration when the raid made a detailed record, saving the session from 42 of which is a group of 14 disk raid5 time, raid5 disk group to confirm successful completion.

The second step, a step toward analyzing the underlying data raid data recovery is the most critical step, in fact, as long as the analysis of data from a raid5 combination rules out the other two groups also logical. With experience in the future, raid5 is the most common and relatively easy to analyze, unlike HP RAID ADG, Raid1 + e, Raid1 extended so as a. Engineers quickly analyze the data combination rules.

The third step, re-analysis of the data if the data is a key step toward, then re-data is the core technology. Escort times with independent intellectual property "frigate" Raid data re software, data can be reorganized any one of the Raid. Some data recovery companies Whenever an algorithm is more complex raid, with the market of data recovery software can not do it, is deemed irreparable. It is simply not professional skills, with second-rate or foreign cracked version free data recovery software to restore the high-end raid failure, can only take a chance, there is no theoretical and technical support. "Frigate" raid recovery technology, which in theory can prove fault is incorrigible, and which can not be saved.

Problems encountered in practice:

Accidents will happen, people have good and bad fortune overnight. In the data recovery process, the data have not demonstrated before in your eyes, you must not say OK, because there are more uncertainties in the head. Originally thought that the first group of raid failure re very well, did not expect this 14 plate with a plate identification is not normal, and we are missing data in this block of plate reorganization, combination did not expect to find a 70GB disk, when a large number of physical bad Road, we can terminate the program. When they find raid5 in two and two or more physical disk failure occurs, data recovery to the person's mood at this stage is the most depressing and uncomfortable. But the rule of thumb, we decided to have bad sectors on the hard drive alone to be a mirror, and then re-image file. It is not, can only repair a disk does not recognize the piece. Finally overcome all difficulties and successfully recovered all the data.

Summary:

In the high-end storage device fails, the first thought is the importance of data, in fact, this is a sense of thinking and backup. If the data is very important, we recommend not to make any exaggerated faulty equipment operation (refer to Rebuild, initialization, synchronization of data, to redistribute the raid, etc.), these operations are more fatal, is irreversible. To seek a professional data recovery company, to provide you with a reasonable recovery plan, you can rest assured that your hard drive to send the operating table. Those non-professional company, if asked to provide the array card or server to do recovery, you should consider its technical reliability.







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