AutoCad :: Calibrating Plotters / How Do Plotters Interpret Colors In Image / Aerial Photo
Dec 31, 2012
I am calibrating a new plotter in the office. I often work with color aerial imagery. How do plotters interpret the colors in an image? Does it work pixel by pixel, and if so, does it use an RGB, HSV, CMWK, hexidecimal value? Does the plotter MACHINE just "scan" the image is one "object" or does it work in batches, or "tiles"? I don't want to alter the image in Photoshop just yet, but I am curious as how the plotter MACHINE is determining the color and how bright, vivid, dull, the IMAGE is plotting at?
The other issue is that the newer plotter plots in more vivid colors than our older machines, but the difference between the 255 AutoCAD colors is less pronounced. I am concerned that adjusting the individual RGB values for each of the 255 colors won't make any difference if the NEW plotter is factory-calibrated to produce vivid colors with little difference between brightness, contrast, etc.
On a side note, I do oil painting as a hobby and I run into tinting strengths, brightness, luminosity all the time when mixing various oils, pigments, and binders
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Jun 7, 2011
ACA 2011 Win 7 - 64
How do I purge or delete the printers/plotters from the list in the plot set up dialog. I have several that go to the same machine but are not config'd correctly or just simply not used. Can I get rid of them so I don't have to sort through when plotting?
Also, what about the list of sheet set ups in the plot dialog?
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Jan 7, 2013
I reinstalled AutoCad 2010. Registration went fine, but I'm very limited inside AutoCad 2010. I can not print anything. It won't adapt new plotters. I can't export or publish a drawing in PDF, nor can I access options to make any changes whatsoever.
The text box that appears now is Fatal Error: unhandled access violation reading 0x0000exceptionat9842eeh. I am unable to go through that route because of Federal Government security settings.
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May 16, 2002
I am having problems setting up one computers plot configuration to a networked plotter in the work station. With the other computers we were able to just add the plotter of choice and it would show up in the config. This one, however doesn't seem to work. We can print test pages to it and plot with other programs. Only AutoCAD doesn't see it. We've gone into plot options to see if the settings were any different from one computer to the next and they are all the same.
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Jun 14, 2012
We just upgraded our old DJ4000 to a T2300 and are having a devil of a time getting the PC3 files to work. We have about 40 CAD users and the PC3s are all on a shared network location.
[URL]
We tried using the 5500 and 4020 drivers but they did not work for us.
It looks like we are now faced with deploying 30+ PC3s to 40+ computers. What a HUGE pain in the you-know-what that will be. All of the PMP will have to be repathed.
What was HP thinking? That the T2300 -- or, if the above-referenced thread is accurate, ANY of their plotters -- are not suitable for use in companies that have more than one or two users?
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Dec 24, 2004
how can we caliberate our monitors to work perfect with Photoshop and which gives us the exact view of images which we get after the printing.
Like mostly the colors/brightness/contrast of images on which we are working change when we change the monitors or if we view that file on other computers. So, how can we fix all this, like is there is any way through which we can calliberate all of our monitors to show the exact same result as it was displaying before ?
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Nov 16, 2009
I have been using the Web Mapping Server for inserting aerial photography for quite some time now. I recently upgraded to Civil 3d 2010, and now when I attempt to insert an aerial photo I get a message box that says "There was a problem adding data to Map." and the image does not show up. When tried on a machine with full administrator privileges it works just fine.
This is a new problem that does not happen in Civil 3d 2009. Here is a link to the WMS site that I have been using, it is through the Land Management Information Center with the State of Minnesota.
[URL].....
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May 11, 2012
I am printing some drawings with points over an aerial photo. I want the points to print bold but when I increase the lineweight of the layer, they don't print any heavier. They are just AutoCad points and I have pdmode set to 3. What can I do to make these points print bold?
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Mar 26, 2013
I am looking for an inexpensive website that offers USGS maps with aerial photo and CAD linework overlays. I used to be able to purchase these files from Topo Depot but they closed their site down at the end of 2012.
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Sep 25, 2006
I have aerial photos that I'm going to be using in a map project. Basically, I want to take out all the distracting detail of the aerial photos. The end product should be have a very nuetral color for default, a tree textured light green (forests) and a rock textured gray for rock out croppings ....
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Jul 1, 2013
Is it possible to washout an image with civil 3d 2013? We have a black and white printer and i need to fade an aerial out so that the text will be visable.
Civil 3D 2013
HP Z400 Workstation
6GB of RAM
296GB HDD
ATI FirePro V5700(FireGL)
Win 7 Home Professional
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Oct 16, 2012
Is there a way to crop an aerial image that is loaded by connecting to a WMS server?Is there also a way to save that image after cropping to a JPG or TIF?
Win 7 Professional - 64-bit
HP Z400
Xeon W3550 @ 3.07Ghz
24GB of RAM
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Dec 27, 2011
I am designing a logo of the sun rising over the earth from the perspective of earth orbit. The general look will be of the sun(looks like a star) illuminating a narrow crescent of the earth. I am working on a picture, trying to adapt it for the logo. I need to change the white sunlight to be yellow/red - can't seem to isolate the colors from the mix of earth colors or black background colors they mix with. Another thing I need is to use a white background instead of the black background of the picture taken from space. Is there a way to convert all the colors that are a mix of the black background and something else to be changed to be as if the background was white?
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Jul 5, 2013
I am trying to achieve this type of affect, a 2 colour on a photo. But I cant seem to find the filter to get it right.
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Mar 17, 2013
I'm working on some images that have very specific colors. It can be 1000 colors or 5000.
When I resample the image, I would like to keep the colors. So if I have one pixel being e5d900 and a pixel next to it is 00a5d3, resampling the image will pick one of the colors and not something between.. or a color of the 1000 or 5000 that are on the color palette.
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Jul 17, 2013
how to take a jpg or gif file and change the colors of the image? I am having difficultly doing so. It is our company logo which is in 2 colors and I merely want to change it to white.
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Nov 4, 2012
When I do screenshots and copy them into Photo PAINT, PP seems to shade the colors. Why is this happening?
How can I switch off this behavior?
Here's an example of what's happening when I do a screenshot of a screenshot of a screenshot of a screenshot of a Photo PAINT desktop, always overlaying the same original empty image window upon the current screenshot step:
CorelDRAW Graphic Suite X6.4 @ Windows 7/Windows 8 - 64 Bit, Windows Server 2008 R2, Windows Server 2012
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Jan 29, 2013
In the image below I have an aerial photo of an Island. I need to make it so as water areas are black and land areas are white (not greyscale) almost like a silhouette. My first plan was to draw round the island with a black paint brush and then use the "bucket fill" with a suitable threshold to fill all of the areas up to the black outline with black, however this doesn't work as the bucket fill either breaks through the black line or when I reduce the threshold, doesn't color the water areas solidly.
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Jun 29, 2013
[URL]The example near the bottom shows an unfolded sheet metal part being exported to DXF and there is an option to change the output format in that example. But I don't know how to get to it from a IPT file that is a standard part.
I started with a IPT file and exported as a DWG.Then I created a Layout with the view that I wanted in DXF format and used Save As, selected DFX and I got three DXF files, Model, Layout_1 and Layout_2.
However, I have no way of knowing what format was used for the DXF output. I want AutoCAD version R12. how to interpret the hyroglyphs in the help pages?
Example:
[URL]
Export DXF Options
That page is not useful. It seems to have been written for an earlier version of Inventor. I am still running 2013.
Maybe this is because I have Inventer and I do not have inventor Pro. Is that the problem here? Is this ONLY possible with inventor Pro?
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Jun 20, 2012
I had thought this was fixed in 2012, but it seems that lists passed in to a lispfunction, get interpreted as if the first items was a dotted pair code.I first noticed this on a tool that takes three integers as an rgb color.
On some values, it shows null for the args in.On some, it reinterprets as if I am passing in a point.
If I pass in '(1 2 3), I get (5009, (1,2,3)) in .net so that is a 3d point.
Note that this alone is a bug, as its a list of three integers, not a point.
If I pass in '(10 20 30), I get (10, (20, 30, 0)) in .net
If I pass in '(228 27 185), I get null in .net
If there is going to be any interpretation going on, it should be because I sent in a dotted pair list. How Autodesk wants us to pass in lists so they come in as just a list of values sent in. URL....
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May 16, 2011
I am making a background image for a website in Draw. The main part is Black.
I export as a jpg and the image looks fine when I view it.
Then if I open it in photo-paint the black is not black, but rather has a grey color to it. The image is exported fine and looks great when viewing it with the normal windows photo viewer program.
Something is happening when it is opened up in photo paint I think.
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Mar 12, 2013
I've imported a PDF file and I'm trying to do a quantity take-off by finding the area of certain areas (this is a landscape plan). However, I'm having trouble calibrating the scale so 10' on my plan is 10' according to AutoCAD as well.
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Oct 14, 2012
What would be a bonus is at anytime I could go to the timeline and click on an imported piece of footage and tell smoke to Include YUV headroom after the fact of it being imported and used.
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Mar 6, 2014
A client has sent me files created in a version newer than CS5. When I import them and the PDF objects are re-interpreted I get an error message that, during "An unknown imaging construct was encountered." The resulting images have gradients that are extremely bandedb - though I do not know if this is atributable to the error.
The client insists that he is a highly-experienced Illustrator guru, his files are perfect and he will not change them in any way. He has also delcared that it is quite impossible (for him) to convert his artwork to TIFF files. I am able to do this with the files he has provided quite easily, and do not understand what his issue(s) might be.
Assuming that I am the weak link in the chain, what can I do to improve the quality of his images with the software - CS5 - I have?
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Apr 29, 2008
I have CS2 running on XP with a Wacom tablet. How do I calibrate the setings for Photoshop; I understand this is a standard maintenance operations with CS products.
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Mar 5, 2003
My pictures show up much lighter at home than they do at work. Do I need to recalibrate my monitor? How do I do this to make sure that the picture isn't as dark?
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Sep 12, 2012
I am working on an alignment sheet for a gas line. I am showing an aerial in my main viewport in plan view. I am only showing line work between match lines nothing pass that except the aerial. However I have two more viewports aside from the main one. I have one to each of the sides of the main viewport to show the aerial image only pass the match lines. My viewports are locked all three of them, yet my image on the viewports to each of the sides of the match lines keep acting up and won't show correctly every time I zoom out or in. They'll be a time that they will but if I zoom out or in after that they will move and not match my main viewport were the line work is at. I only copied the main viewport and resized it to fit in the template pass the match lines. Created a reference point to zoom into my aerial after the match line and it all works until I'm ready to plot and zoom out then it messes up.
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Mar 7, 2012
monitor using sRGB profile, photoshop everything on sRGB -> all goodmonitor using sRGB profile, photoshop everything on sRGB, after file is saved switch to calibrated profile on monitor -> all goodmonitor using calibrated profile, photoshop everything on sRGB -> color shifts in image, hex color codes do not match
i recently got rid of my external monitor (moving around a lot) which i had set to sRGB. colors were very close to what it would have been calibrated, which is why i never bothered to change color profiles. now that i am using only a notebook (mbp), however, it quickly became apparent that the sRGB color profile made look everything quite blue-ish. after calibrating the display, all was well, however...
... until i started working in photoshop. there are color shifts apparent and the hex color codes do not match up; i have never had this problem before.is there any setting in photoshop i might have overseen? as described above, it's not a problem as long as everything is set to sRGB and i use the calibrated profile afterwards; it only occurs when working with it.
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Dec 25, 2008
I've just installed a new Dell 2408WFP wide gamut monitor and will be using it with PS photo editing. I plan to purchase an Xrite i1Display2 for calibrating this monitor. I'm a bit confused by some postings in other forums about whether a WG monitor can be properly calibrated by this (and similar) colorimeters.
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Dec 4, 2012
I have inserted aerial photos into a drawing. When I go to layout view and print preview either to my plotter or my pdf writer I can see the aerial image just fine within the viewport. But once it actually makes a pdf or prints it to the plotter the aerial photos are not there, just the polylines and objects within the drawing.
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Oct 8, 2013
I am creating a large base map and the county is supplying me with a bunch of jpeg files to use. Each map seems to come with 5 different files..how to put these images in correctly using AutoCAD 2010.
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