Photoshop :: Area Calculator?
May 23, 2006
I need to count the number of pixels in the white part of a person's eye.
Is there a way to:
(1) Use a tool (lasso?) to select an area that includes all color within a certain standard amount of color variation? (Choose all the white pixels, and the slightly off-white ones surrounding the white area. The image is black and white, so color variation is solely along the white-black continuum.)
(2) Calculate the area (i.e. in pixels) of the selected area?
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May 23, 2006
I need to count the number of pixels in the white part of a person's eye. Is there a way to:
(1) Use a tool (lasso?) to select only the eye white? (an area that includes all color within a certain amount of color variation?) (Choose all the white pixels, and the slightly off-white ones surrounding the white area. The image is black and white, so color variation is solely along the white-black continuum.)
(2) Calculate the area (i.e. in pixels) of the selected area?
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Jan 30, 2012
I have created a block which contains various part numbers, with a description and some other bla bla, with a total number box, I issue this to clients to make the specification of product much easier. My idea was for people to use the quick select command to find how many instances there is of an object within the drawing.
As this is a slightly tedious process, as you have to physically type the part number then mentally take one instance off as it counts the number in the legend block as well.
Is there an addition/summary of object instances command I could use to make this process more dynamic and straightforward for the recipient/user of the block I issue?
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Mar 18, 2012
When I try to calculate bending moment stress thru "Beam and column calcultor it shows an error that is Wk and Jk is missing. Ok that is fine. If we put values for both we will get the answer. Because I have come to know thru inv discussion that many material in the CC do not have these values.
Now my question is when we insert a part for example from content centre (CC) and do FEA analysis on this part. It shows some values like deflection, stress etc etc. How is that possible? one side it is not doing in the beam calculatio but other side in FEA it is doing that.
It means we are not going to rely upon these results in the FEA. It is the same CC, same inventor, how should be trust the result in FEA.
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Mar 18, 2011
I used to have a DeltaE calculator which I downloaded free from the Internet, but it does not seem to be available any longer.
The idea was to type in the Lab specification for two colour samples, then the calculator would come up with the difference between them expressed in units of Delta E.
I have found a calculator which requires Photoshop CS, but I cannot locate a free-standing version.
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Jul 12, 2013
I can not view/used the quick calculator of my Cad in Properties Dialog box. It is always hanging.
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May 31, 2012
I am having trouble using the beam and column calculator in Autodesk Inventor. When I choose the beam that I want to test all the dimensions are not being put in automatically.
This is happening with most types of beams that I import from the CC the angle (6X3-1/2X3/8) that I am trying to test is getting no Wx, Wy, Wk or Jk. and the I beam (W6X25) is not getting Wk and Jk.
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Aug 20, 2012
I am using beam/column calculator in the frame generator in inventor 2010 suite.I have a beam being used for a flight of stairs it is positioned 40 deg above the 'floor' or my xy plane in my assembly.I want to place a distributed load acting as if there were several people stading on the stairs at one time so in the direction of the z axis of my assembly.
The problem I am having is I try to change the angle of the distributed load but it only allows me to change the x and y components of the load.
a) change the angle of the laod in the Z directions
or
b) change the cordinates in beam itself so the x axis is along the length of the beam instead of the z axis.
I have tried adding a UCS to the beam part but it still wants to choose the length of the beam as the z axis.
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Apr 6, 2009
I've recently migrated from AutoCAD 2008 (non-industry specific) to AutoCAD 2010 so I don't know if this was an issue in 2009.
Back in 2008, when I choose the 'window' option when specifying a plot area, AutoCAD would show the workspace so that I could manually select a windowed plot area, and at the same time the whole workspace would be greyed out except the previously active window area.
This was handy, because we can have as many two dozen title-blocks (and therefore separate viewports) in paperspace, and knowing what plot area I last plotted or added as a saved page setup.
In 2010, it no longer does that. I now have to rely on the dashed border to know where the active plot area is/was (checked 'display printable area' in options>display tab) which I personally don't really like using.
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Oct 23, 2012
How to changes the settings for the "Square Area" in mapcheck's closure summary. When I right-click the dwg name in the Settings tab of Toolspace and choose Edit Drawing Settings, then Ambient Settings, I see the Area settings, but in the closure summary, there is also "Square Area". Why are these both there? It WOULD be nice to show sq. ft. as well as acres, but I can't find anywhere to edit it.
Civil 3D 2012
Windows 7 Enterprise SP1
Dell Precision T3400
(Q9550 @ 2.83 GHz)
8GB RAM
Nvidia Quadro GTX 650 Ti BOOST
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Sep 19, 2011
Photo editing. How do I select an area within a .jpeg image so I can blur that selected area?
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Oct 12, 2011
I want to know if there is an easier ACAD solution for drawing. In the given triangle of ABC (sides and angels are known) I want to draw line CM so that the area of BCM becomes 2000 cm (are of ABC is 5311.7 cm3).
Is there an easy ACAD way for drawing this line without using trigonometry for calculation?
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Sep 19, 2012
See attached file.
How can you do the area takeoff of only the selected faces (red area)?
Right now I have to use the 3rd party software to do something like this. I'm curious if there's a way to do inside Revit?
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Apr 14, 2013
I need to determine whether an area intersects with another area.The left case can be easily determined by Polyline.IntersectWith(Polyline...).But in the right case, the two polygons intersect/overlap each other while polylines do not intersect.
What would be the efficient way to determine the right case polygons are intersecting polygons?
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Sep 9, 2013
After selecting the area type tool, I try to click and drag but I get an error message: You must click on a non-compound, non-masking path to create text inside a path. This worked before but I must have screwed something up.
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Feb 1, 2012
How can i use subtract area command in area command while using add command , often it happens we click on polyline whose area we did not want to consider. How can i do like this, i re click on that enclosed polyline and the area gets subtracted and the green fill goes away?
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Nov 15, 2012
If I select the vetor mask of a layer, then easily I can use the "add to shape area" feature, and as such, two different shapes will behave as one.Of course I must first select the vector mask.But, is there a way I can go the other way?
First creating a shape layer and then adding it to a layer, using the "add to shape area" feature.
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Mar 13, 2007
I have three areas in an image that I want to select. Using the magnetic lasso, I select one, then when I move to the other one, the first selection disappears. How can I keep the first one and move on to two others?
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Feb 14, 2004
I was wondering if anyone knew a way of determining how many pixels are selected (like with the freehand selection tool).
My problem is this: I have a map and I'm trying to determine the area of different countries on the map. The best I've been able to do so far is to draw a rectangular box around the countries and look at the width and height of the box and use the scale (so many pixels == so many miles) to figure the area. But some of the countries are quite irregular in shape and I'm just wondering if there's a better (more precise) way. I'd love it if I could just freehand select a country and then click a button to see how many pixels it is.
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Aug 26, 2005
I am trying to take out an area of a photo. I have it selected. I want that area deleted and replaced with something similar to it's surroundings.
I have a picture of a barn... there is a large white post that I don't want there. The post is surrounded by flowers. I'd like it to look like a big patch of flowers with no post.
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Mar 22, 2007
i make say a Rectangle, then after i select the oval tool and then click subtract from shape area and then make the oval shape over the rectangle and it subtracts the shape from the previous rectangle shape. Sometimes this works , but most times if i apply any changes to the original rectangle before choosing another shape, the add or subtract from area buttons do not function anymore.
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Apr 26, 2013
How do I clone the area from around the beginning of the window to the edge of the photo on the right hand side and add it to the right side of the photo so that it looks like the photo is extended longer to the right? And how can I do it without repeating the couple in the window?
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Feb 18, 2012
I am trying to measure an area within a line , the blue line but could be any of the colours in the image below.
I have tried selecting the line with the magic wand but it seems to only select a small segment at a time.
- how to select the whole line , and not just measure the area of the relatively thick line.
- how to measure the area within the line
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Mar 1, 2013
I remember in Elements 9 I was able to convert a color photo to black and white and then with the paint brush I could go and paint in the original color on just specific areas. How is that done in PS5?
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Sep 15, 2012
As in title, in Photoshop CS6 I seem to be getting an awful lot of flashing of the image area. By "flashing" I mean that the area turns completely black for split second fairly often. It seems to be somewhat influenced by my actions, as when i alt-tab out of photoshop with the window still visible, the image area stops flashing.
My PC's specs:
Intel Core 2 Quad Q6600
AMD Radeon HD5770
6 GB RAM
Windows 8
I seem to have found the thing causing the flashing, it seems to only occur when an area of the image is selected.
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Feb 18, 2013
it's regarding this image. Originally it was very dirty in the background (still is if you look at the striped mountains and cottage), and I've tried making it white by playing around a bit with the curve adjustments. Obviously the results weren't as white as I wanted them to be, so I decided to dodge some areas (on the other parts of this picture which I didn't include). Later on I decided to pick up the bucket tool.
It works very well, but now I'm having this problem. If you look at the red ground, it's all dotted. However, the bucket tool filled up some of these dots too, making the ground very thin.what I can do about this?how I can make the background white (the quicker the method the better!) in case the curve adjustment settings doesn't properly work?
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Jul 15, 2013
I am using Photoshop CS5.
Right now I am trying to extract edited area and add some effects only on the area. I added some hand paintings on a picture and I need to extract hand painted area from the picture and add some effects on the extracted hand paintings and combine it with the original picture. I know I should hand paint on a different layer and add some effects on the layer and combine it with the picture, but I have to do what I am doing right now.
See pictures below.(those pictures are much simpler than my pictures I am editing right now)
There is a layer that has only 1 color, green.And 2nd picture has pinky letter A on 1st layer, so 2nd layer has green and pink color. I need to extract pinky A letter from 2nd layer and need to add some effects only on the letter A, and combine 1st layer and edited letter A to make 3rd layer.
I tried to use blend mode Difference to extract edited area but it changes the color of the area.And I don't want to use select tool & alpha mask, because my picture is much complicated.
What I want to do is something like Difference Matte effect in After Effects. Is it possible in Photoshop?
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Dec 17, 2012
When I select an area in Photoshop CS6, I can no longer deselect by clicking outside the area. My tool tip displays the cross with the plus sign in the lower right to indicate I am in additive mode. I can right click for a dropdown menu and choose "deselect" , but that is a drag that interrupts my thought flow and so annoys me.
I've tried going into preferences and making sure the cursor is "standard." I've reset my preferences. No caps locked, etc. What is going on? More importantly, how can I make it so that all I have to do is click outside the selection to deselect it. I'm working on a Mac, if that makes any difference.
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May 1, 2013
OS: Win 8 Ps: Cs6
I activated Photoshop on my new laptop and set my Preferences the way I like them and then I made a New Document and added a New Layer but when I clicked the New Layer Icon at the bottom of the Layers panel the area behind the canvas turned from a dark grey to transparent and then when I tried to draw a Rectangle shape the entire document became black and when I clicked the New Layer Icon again the black went away and the shape appeared and at the same time the area behind the canvas rotated through the dark grey, black and transparency again ...
to clarify ... at first the area behind the canvas went to transparent from a dark grey but under other circumstances like using the paintbrush, drawing shapes etc. the area behind the canvas will first be dark grey, then black and then transparent.
I tried resetting the Preferences by Alt + Ctrl + Shift at lauch of Ps but this didn't work at all.
The nice man at Adobe did something with my files and when done he placed a Prefs Icon on my desktop.
I wondering if maybe I ought to deactivate and reactivate or just out and out uninstall and reinstall.
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Mar 16, 2013
Can I use the paint brush twice on the same area without having different scales of the same color? I would like to keep the paint brush smooth but the problem is that when the same area is painted twice, the color in such area darkens.
Is it possible to lock the paint brush to one stroke of paint? If an area is painted, is it possible to automatically skip that area when painting? In other words, is it possible to have the brush effect only once over a given particular area even if it is brushed over twice?
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Jul 6, 2013
I have the following psd file which my designer provided for me:
It's made up of all layers and smart objects and all stuff I have no clue about it. I need to make it so only the bubble is isolated, and everything else is eliminated (i.e. the character and the three bubbles going from his head are gone). Cropping almost works, but as you can see at the bottom the bubble if I try to do a rectangular crop it will catch some of the characters head and the three bubbles.
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