AutoCad :: Find Altitude (or Z Coordinate) Of Some Points In Rasterized Image
Nov 10, 2013
i'm working in AutoCAD 2006 , so the project is that, i have a pdf with contours of an area, i have to rasterize it as a jpg picture, pass it to AutoCAD (i have done this so far..) and then i have to find the X , Y and Z coordinates of some points in the picture. Well with the "ID" command, i found the X and Y coordinates but as Z it gives me 0,0000.. How can i pick a point in the jpg and find the Z? I have to find the altitude!
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Mar 13, 2012
Is there any way to multiply the value of Z coordinate for many points selected, in the same time? For example, I selected many points, and need to double their Z value, but on an easier way, not one by one?
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Apr 22, 2013
I have Points in Civil 3D that are in the Washington State South Zone NAD 83 Coordinate System and would like to get these points converted to Washington State North Zone NAD 83 Coordinate System. I am able to convert drawings entities to the new coordinate system using MAPEXPLORER but the points do not go with it.
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Jul 10, 2012
I have a small field (5 by 5 meters) to be set out with about 40 points. Currently i use EOV (Hungarian National Coordinate System), thus each point has a lot of digits. I want to make the implemetor's job easier, so i want to move and rotate the CS near to my field.
I tried to use UCS, but the COGO points retained the "World" coordinates.
How to carry out this without moving my whole drawing to the origin?
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Nov 3, 2012
I want to know why I can't change coordinate of points while importing points from Points menu?
I created new file, assigned any coordinate system to the model. Opened Import points windows there, created new file format which there I assigned Coordinate zone transform to the coordinate system of the text file and imported my text file. But the coordinates of points didn't changed or transformed. When I do it by Survey in Toolspace its works good. I want to know whether I did any wrong or it is problem of software.
I use AutoCADCivil 2013 64 bit in Windows 7 64 bit!
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Nov 22, 2013
C# public bool FindStationAndElevationAtXY(double x,double y,ref double station,ref double elevation)
I don't understand this method. API documentation says that "Finds the station and elevation values at the given X,Y coordinate." but this method return a bool value.I don't understand neither "ByRef".
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Jun 21, 2012
Is there a way to find out the coordinate system and projection of a drawing sent to me? I do not have AutocadCivil3d. I have Autocad2013.
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Mar 14, 2012
how do i get an image set in one coordinate system come into a drawing in another coordinate system?
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Nov 7, 2012
I am trying to create contour cut lines on rasterized images using Illustrator CS4. I have been changing the PNG files to TIFF files and saving with preserve transparency and then placing them in Illustrator. From there I live trace a copy to make a vector outline of the image, but I am uncertain what to do to make it so that I can upload my file into FlexiSign, make contour lines from that file, print, and cut. Everytime I save the file into AI format and bring it into FlexiSign it just contour cuts a rectangle around the image instead of making an actual outline of the picture.
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Jul 10, 2013
All of a sudden my images turn white when I go to apply sketch halftone to image.It worked before.
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Oct 5, 2012
In the attached file you can see many points. What I need to do is to learn a procedure to draw a circle or an arc that best fits those points.
In a different way the question can be: Where is the center and which is the ray of those points?
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Jan 7, 2014
I'm trying to find the intersecting points of a part that connects to the outside surface of a cylinder shaped part.
What is the best way to go about this? I have attached some images that hopefully illustrate my problem.
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Apr 1, 2010
I have some UTM images that I need to convert to State Plane. If I import them into map with raster design and export them to the state plane coordinate system, they work just fine, but I can't figure out a way to get rid of the black wedge that it makes along the edges of images.
If I query them in using map I can transform the coordinate system, but then every time I open the drawing it takes like 5 minutes just to open.
What has everyone else done to use multiple images in a drawing and transform or convert the coordinate system of the images?
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Aug 18, 2013
I have recently imported pictures *.CR2 with *.XMP containing GPS coordinates and altitude information.
From my last import (LR4.1 or 4.2) I remember that I was able to drag pictures in the Map view adjusting GPS coordinates, without touching altitude information which was what I needed.
Today I discovered that as soon as I move an image on the map, the altitude value is automatically deleted. And this happens in LR4.3 and also in LR5.0. I understand that if you change the GPS position, the altitude changes also, but for adjustment I have to make, there are no big altitude changes therefore keeping the original value for me is good.
Is there a way to "lock" altitude number, in order to keep the original value, when moving photos on the map?
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Jun 21, 2013
How do I make Lightroom automatically fill out the Altitude field as well, when dragging a picture onto the map? I don't suppose it's all too common to be anywhere above (or below) ground level, and I do believe Google Maps has altitude information in it. Roughly at least. And if I where on a tall building, or in a mine, I could still change it afterwards.
I'm using Lightroom 4.3 atm, can I make it do this?
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Sep 17, 2013
Nearmap has provided an aerial image georeferenced in the same coord system as Google Earth (epsg:3785). I found a Map 3D coordinate system WGS84.PseudoMercator (epsg:3857) which on web forums is equivalent to epsg:3785. After loading the image into a dwg on the epsg:3857 coord system I then queried the image into a dwg file on an mga55 gda94 coord datum.
It rotated the image correctly but as we had survey located features in the drawing the image needed to be shifted a further 1.75 metres SW than the transformation that Map had performed.
My question is to confirm that the Map epsg:3857 is indeed the same as epsg:3785? Given I had to shift the image I suspect it isn't.
Nearmap have also suggested using an epsg:900913 coord datum but there isn't one in Map 3D.
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Jan 4, 2013
I have just bought a Panasonic GH3 which is able to sync and add GPS data to images from my phone to the camera.
On importing the files to LR 4.3, the GPS and Altitude sections of EXIF remain blank. On the import preset I use, the Camera Info section is all unticked.
If I go to the folder where I store my image files (the folder which LR catalogues) after the import and drop the file on to Exiftool, all the GPS information is listed there. That is, the LR import RW2->DNG has retained the information. It is there but not displayed.
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Jun 13, 2013
I have a utm .tif and .tfw files which I need to convert into a wgs84 ascii file (csv ideally) with the full list of x,y and z values. The UTM needs to become geocodes and it needs to be in ascii. I am using Civil 3D 2012.
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Sep 12, 2011
where to find or create bullet points?
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Feb 6, 2013
Looking for a nice script that can search a complex design with lots of linework and find all coinciding duplicates and select them all and delete them but leave (1) good copy.
Basically when I use Outline Pathfinder in Adobe Illustrator, then bring back into corel, sometimes get a lot of redundant objects. I already set the settings in Adobe Illustrator to minimize that as much as possible.
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Jul 30, 2013
I have a series of drawings that I have a group of PDFs xrefed into. I need to print these drawings to PDF also. I'm using the DWG to PDF printer in ACAD. In the final PDF, the PDF that's xrefed in is fuzzy, pixilated. How can I fix this?
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May 28, 2012
I want to know how to transform OCS Coordinate of A block object to UCS or WCS Coordinate .
It's Block's OCS Coordinate not other objects.
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Apr 19, 2012
i want to stretch jpeg image to the different particular points in normal autocad, just like Autocad Map 3D having rubbersheet option for that,
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Oct 15, 2013
HP Designjet T520 36 inch ePrinter (CQ893A)
Latest HP-Driver: 61.125.1522.100
Latest Firmware: AXP2CN1325AR
Windows 7 64-Bit with AutoCAD MEP 2013 + 2014
we get rasterized diagonal lines when printing from AutoCAD on that Printer in A0 format, straight lines are ok.
Printing FIRST to an PDF printer an THEN to the T520 ist also ok (this is what the customer currently does and the quality is good). Got some suggestions from a local ACAD dealer (max. details in the printer driver) but no success ...
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Aug 2, 2012
After opening pdf in photoshop CS6 (win 7 64 bit) there are thin (1 px) horizontal and vertical lines. Pdf was created by distiler from PostScript from InDesign (InDesign -> PostScript -> Distiller -> pdf). Same pdf rasterized in photoshop CS4 does not produce this lines. Is this a bug?
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Aug 8, 2008
When I open my eps filel, which is a business card created by an outside designer, I get a checkered card and I am unable to see anything (it says rasterized generic eps format). I can open other documents, but not this one.
What can I do to see it correctly? If I hit cancel, the screen goes blank and no card shows; if I say okay, it shows checkered.
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Aug 24, 2012
I am using Photoshop CS6
I'm in the process of preparing vector graphics for an After Effects motion graphics project. I decided to use the new vector features in CS6 because I am more friendly with the PS interface than I am with Illustrator.
I've created several vector shape layers that now, after some work, now look like rasterized graphics. I'm not exactly sure what happened but I am sure I have not rasterized them myself.
Also, when I import the graphics into After Effects, it gives me no option to collapse transformations or continuously rasterize the layers.
Have I done something to rasterize the shape objects in Photoshop? New shape objects I create are vector. Do I need to start over?
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Sep 30, 2005
I'm fairly new to PS and I wonder if someone could explain this behavior:
I started out with black vector text and a logo in Illustrator. I rasterized it and saved it as an EPS. I opened the EPS in PS 7, specifying dpi of 600 with anti-alias checked. (I'm not quite sure why it then rasterized a file that was already rasterized, but that's another question).
On my screen, it looks great! I zoomed in close and the edges are nice and smooth. However, when I try to resize it to be smaller so I can use it on the web, it falls apart. The edges become very jagged and when I do Save to Web and put it on a web page, it is very fuzzy.
I've resized color images before for the web without this fuzziness. Am I getting this effect because it is black and white? I thought trying to resize it to be a bigger image results in poorer quality, not resizing it to be smaller.
Is there some technique I'm missing?
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Oct 28, 2007
I have a layer of Text both as Text and Rasterized.
I am unable to stroke either of the two, meaning the menus are there, but no effect is showing up.
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Aug 16, 2011
I've recently installed auto cad 2007lt on our new computer. I set up numerous tool palettes with blocks that we use often. I was pulling images from the palettes to my drawing with no problem.
Today when I tried inserting an image from the tool palette it is saying that the image can not be found. I've tried under previous drawings and new templates and have been unsuccessful.
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Jul 25, 2012
I have white text on a yellow background...I need to change the background to white and the text to green. The rasterized text is part of the yellow background (ie it's not a seperate layer). Any attempt to change the colour or select the text invariably doesn't catch all the aliased pixels....with my resulting text not looking as smooth as the original.
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