Monday, September 9, 2013
Exercise One - Due Before start of class #2
Create a patch focused around the Vizzie Effect module you were assigned that demonstrates all of the functionality for that object. In addition to the compressed patch, briefly describe your approach, how your patch functions, anything of particular interest to you about the module, and also any problems you may have encountered.
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ReplyDeleteMy approach was really to see how DELAYR functions alone and with the influence additional effect filters attached. The delay slider looks like it controls the speed objects may move; rather it appears to control the delay that each dot appears … behind its predecessor. If a simple adjustment to the PLAYR speed is made, the dots appear to catch up to their predecessor in the DELAYR. The feedback slider controls the visibility (transparency / opacity) of the shadowed red dots – the farther the feedback slider is adjusted to the right, the greater amount of dots appear or a greater amount of feedback appears. The crossfade slider affects the inputted delayed and non-delayed video. Two things I find interesting are the fact that DELAYR makes things appear as though they are shadows, but really are closer to teetering on how images are rendered, and that by adding a second effect into play, SKETCHR, I am able to use the faders inverted data to contrast of the images that are then fed into the DELAYR.
ReplyDeleteCompressed DELAYR Patch:
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My approach was to take the same video and apply the ZOOMR Vizzie Effect to the video enough times to show how the ZOOMR Effect functions and I made sure to use exact numbers when changing the sliders values so that the viewer could fully understand how the slider was changing. I found that ZOOMR Effect increases the size of the video anytime the slider is greater than 0.5 and is slid to the right increasing the number towards 1. When the slider on the ZOOMR is exactly at 0.5 the video is gone and the screen appears to be black because this is the halfway point on the slider. Anything to the left of 0.5 on the slider flips the video upside down. You can see this clearly from the numbers that I chose to apply to the sliders. When I applied the number 0.001 it flipped the video upside down and made it the largest size that it can appear without pushing the hi button. When I applied a larger number than 0.001, but still smaller than the midpoint (0.5) it flipped the video but made it look smaller like it was zoomed out. I found it interesting that the ZOOMR works like a mirror that is upside down when it is on the left side of midpoint on th slider.The only problem that I encountered was finding the exact number that was the largest the video could appear when flipped upside down.
The Panner Object moves video output in cardinal directions based on x and y values. The data input ranges in decimal values between 0 and 1. My patch only uses increasing number range in a positive direction. So the boundaries of which the output moves are constrained to only downward and right. The third input of the Panner module is the mode input. There are 4 settings when run sequentially they are switched at equal incremental values. (.25, .50 .75 and 1) clip, wrap, clear, and fold. My patch uses a simple toggle object to start a clocker object which counts at 1 second intervals and feeds the number into a scale object. The final number is scaled in decimal format and is used for all three panner inputs. In my opinion the Panner is not very impressive by itself but when used with other vizi and max objects it could definetly create some nice video effects.
ReplyDelete----------begin_max5_patcher----------
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The Alpha Blend utilizes three different videos. The first two videos play on top of each other. The third video acts as a mask over either video 1 or 2. I chose the third video because of the fence which created a nicely defined mask.
ReplyDeletehe alpha contrast slider when moved to the right makes the mask more prominent and defined. The normal mode masks the 2nd video while inverted the mask affects the 1st video.
The left fader sets the amount of Contrast and allows for a defined amount. The right fader switches between the normal and inverted modes. 0. - .49 = Normal and .50 - 1. = Inverted.
One problem I encountered was trying to get a different controller to work with the Mode change. The fader was the only one that seemed to work although I believe the TWiSTR should work as well since it can move between the ranges of 0. - 1.
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The 2toner seems to create a "duotone" image out of the video data received at its input. The video I used was one in the max library of two vehicles crashing. From what I can tell, this vizzie module sets a foreground (the vehicles) and a background (the road) for the video and allows individual controller of the RGB data for each section. My patch is pretty simple, just wanted some simple ways to control the amount of Red,Green,and Blue in the two layers. I used a couple faders and the x,y coordinates of the scrubber to control the parameters.
ReplyDelete----------begin_max5_patcher----------
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The Vizzie Sketchr module takes videos and/or pictures and makes a sketched version of the image. It gives you the choice of normal or inverted drawing modes and the ability to adjust the level of contrast in the image. Normal drawing mode: Black on white (More of an outline of the objects in the image). Inverted/Reversed Drawing Mode: White on Black (More detail lines on the objects in the image). The drawing modes can has a toggle value between 0 and 1, where 0-.49 is normal and .5-1 is inverted. When adjusting the contrast slider the higher the level the more granulated the image and the lower the contrast the more whiteout the image.
ReplyDelete----------begin_max5_patcher----------
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Wes Devore:
ReplyDeleteMy Approach: I uploaded my video file Oh.mov to a PLAYR object. I thought this would be a good example of color saturation because of the blue screen in the background, and also because of the contrasting colors between the blue screen and the man's face. I connected FADR objects to the inlets of the ZAMPLR to test how changing the parameters in the ZAMPLR object affected the video file. I was able to determine what all of the sliders and buttons do.
Functionality: My PLAYR object loads in 1 of 3 movies using the message objects. The player object sends the video file to the ZAMPLR where I control the the gain, x, y, and other parameters like wrap, clip, and fold, and monochromaticism vs polychromaticism, with buttons that send the appropriate flonum to the inlet that will change the settings of the ZAMPLR.
The first FADR controls the amount of color saturation that will take place per frame. The higher the FADR or flonum, the more color saturation that will take place.
The second FADR controls the numbers of horizontal pixels sampled. The higher the number, the less horizontal pixels that are sampled. For example, when the x slider is all the way on the right, there are only two different colors on the new video from left to right. The third FADR does the same thing on the Y axis.
The wrap function makes the ZAMPLR wrap one pixel with a group of pixels of the same color.
The fold pixel makes the ZAMPLR fold one pixel over the other one with the same color, resulting in a higher resolution saturation compared to the Wrap function.
The clip function makes it so that the gain, slider will make the pixels whiter.
The ZAMPLR sends its data to the VIEWR8.
Thanks,
Wes Devore
My patch:
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The BRCOSR Vizzie Effect changes the colors of a video input through changing the level of brightness, contrast and saturation of color. I have set up three FADR sliders to change the level of brightness, contrast and saturation respectively. The BRCOSR Vizzie Effect also has a ‘hi’ setting for the brightness, contrast and saturation that when activated have a variety of affects. This ‘hi’ setting is turned off by pressing 0.49 message and turned on by pressing the 0.5 message. I also discovered that the dots along the bottom of the video in the BRCOSR Vizzie Effect allow you to choose between some preset combinations of ‘hi’ and what I assume is ‘lo.’
ReplyDeleteBRCOSR Vizzie Effect;
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I explored the Vizzie Chromakeyr preset, which requires two visual inputs. Chroma keying is a simple concept: remove selective color from a video to composite images. The most prevailent use of chroma key involves filming in a person in front of a 'green screen' so a filmmaker can composite that person onto different backgrounds. A news weatherman is a good example.
ReplyDeleteThe Chromakeyr preset has 7 inputs. The first two are the video inputs. Following that there are 3 color inputs for red, green, and blue values. Finally the last two inputs control the slider values on the Chromakeyr GUI. The first of these is tolerance, which refers to the amount of acceptable variation in the color selected. Fade controls how much of the first video input is shown, a higher fade makes the video input more transparent.
Note - On my computer, the Vizzie GUI has the inputs for fade and tolerance switched around.
There are four outputs for the Vizzie Chromakeyr. The first is the video out, which in my patch I have connected to the Vizzie Playr. The last three outputs are the red, green, and blue values of the color being keyed out.
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The Xfader take two video inputs and transitions betweens the two of them. The farther left on the toggle, the more of the video attached to input 1 you see and the further right the more of the video from input two you see. Essentially its a cross fader.
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Vizzie.Feedr offers three controllable parameters(feedback, bleed, gain) and seems to additively combine the values of preceding frames to the following frames. Feedback controls the number of frames to combine. A higher value creates more 'ghosting'. Bleed seems to determine how much a pixel's brightness value effects the value of surrounding pixels. Gain determines the overall brightness or darkness of the output clip. Best results seem to result from setting the Feedback value first, which can easily white out the screen, and then adjusting the gain until the desired screen brightness is achieved. Use the bleed to add extra atmospheric effect balanced with the Gain. For example, the bleed can cause the red ball in the red ball movie clip to almost eclipse itself despite the settings for Feedback or Gain.
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I used the grabber, skechir, slider and viewer to display the video in black and white in the viewer. Slider slides the blurry video. It slides up the video. The Grabber displayed the input data in the image mirror. Slider functions to change the draw and contrast mode.
ReplyDeleteSlider controlled the speed of the image for example slow motion. Viewer displayed the full image on the screen.
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The OPER8R effect module in MaxMsp takes two images or videos as input and then performs various operations on them. You can add and/or subtract two images, two videos or an image and video. Users can effect the pass, an average, an absolute, different levels of white and black levels as well as different intensities of contrast. There are over 30 presets in oper8r.
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This comment has been removed by the author.
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