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|CAD White Paper|
|IFR Solves "Real World" Problems|
|Let's Take a Look|
|Raster to Vector Conversion|
|Through IFR Technology . . . The Real World is the Data|
|IFR Benefits for CAD|
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|IFR Solves "Real World" Problems|
across the globe are connected through wide area networks (WANs) and the
Internet, CAD (Computer Aided Design) programs face the challenge of how
to integrate the vast amounts of technical data onto the user's screen.
3-D animation and simulation can provide many details concerning form,
function, and fit; however, it is often economically infeasible to load
the 3-D animation database with enough parameters to allow animation and
simulation across an entire assembly.
For example, it might be known that a 1-inch plastic pipe is 12 feet long, but it is hard to get enough data to know everything about the pipe. Does 1 inch represent the outside diameter, inside diameter, or nominal diameter? Is the pipe threaded on the end? If so, how far is it threaded and what kind of threads are used (pitch, depth, orientation)? Are the threads on the inside wall or outside? What color is the pipe? Is the inside diameter maintained across the length of the pipe? What is the outside diameter? What kind of plastic is it made of? What are the restrictions on the plastic? How long will it last if exposed to sunlight? What kind of chemicals will attack it? We could go on and on, but the point is that more data is better. You can't go wrong by having too much, and it is hard to get enough. Worrying whether all of this will come together becomes a literal nightmare for an engineer.
With the advent of the Internet, CAD packages have an opportunity to provide active real-time information that might come from anywhere on the Internet, but this foreign Internet information needs to be downloaded into the native 3-D animation database.
Unfortunately, even when the Internet information is in vector (math), it will often be incompatible with the native vector used by the CAD program. Each vector program uses a unique set of math to represent an image. One CAD program might represent an oval as a series of circles, but in another it might be represented as one or more ellipses. History has proven that getting from one set of math to another is usually fraught with unpleasant surprises. Although this might seem like a hopeless sequence of events, there is a new technology (Indirect Formularizing Resolution, or IFR) that will not only make it possible, but practical as well for the following reasons:
|Let's Take a Look:|
|If you are
engineering a line of fired heaters for the petroleum refining industry,
you will want to collect the Internet information for the parts that make
up a centrifugal fan within the heater. A portion of your parts may come
from a local job shop, some from a foreign vendor, and others might be
produced in-house. These diverse sources of information introduce two
|Raster to Vector Conversion|
|Now, let's say you
are planing to modify an area within an oil refinery facility. From
specific points of perspective, photographs or videos can be taken of the
area where the work will be completed. IFR technology will allow the
photographs or video frames to be automatically converted to the CAD
vector format and will offer 100x lossless compression. The images can be
stitched together seamlessly to provide more resolution, which will result
in more accurate measurements. By taking pictures from different
perspectives, an exact 3-D model can be created. With IFR, the CAD images
can also be modified.
IFR's raster to vector conversion is automatic, eliminating labor-intensive procedures and the margin of error involved with hand drawings. Furthermore, the CAD images are as accurate as the resolution of the original pictures because the raster to vector conversion is lossless (no coarse pixels in the original picture are violated). In fact, the CAD image can be converted back to the original raster picture. As a sanity check, a pixel by pixel comparison will show that the pictures are identical. The program can handle pictures of any color or shape complexity. IFR takes all possible combinations into account, eliminating surprises in the conversion process.
For example, 3-D models can be used for piping drawings that are easy to understand and contain all piping components, both horizontal and vertical. IFR will enable CAD programs to zoom into areas of concern and allow for exact measurements of clearance, modification, and other details. The drawings can be viewed from different perspectives and can be loaded into an animation database for a computer walk-through of the facility.
Resolution issues are virtually eliminated through IFR technology. Analog or digital pictures can be converted through IFR to present clear, exact computer images. You could use an 8mm video camera to tape the refinery area to be modified and then output the image at 16mm, 32mm, or any desired resolution. When the image is zoomed, the magnification yields smooth lines that are similar to a re-scalable font and the algorithm does not violate the coarse pixels of the original picture.
IFR technology allows all graphics and text files to be stored, sorted and retrieved using the same file format. Since IFR converts all raster data to one universal vector format, all files (i.e., job cost tracking information, etc.) can be stored and accessed through the CAD program. A specific electronic drawing can contain a wealth of information and links. The information might be gathered from the corporate database (such as costs and availability), vendor catalogs, digital photographs (such as examples of previous problems), competitive quotes, and many others.
|Through IFR technology . . .
. . .The real world is the data
|IFR's raster to
vector conversion technology allows all formats (raster or vector) to be
converted to one, universal vector format. By using the local scripting
languages to connect your CAD package to the Internet, IFR allows you to
download and place any Internet information directly into your 3-D
animation database. The information will be converted and displayed in
real time with exact dimensions. You will be able to superimpose the parts
to determine exact fit and compatibility.
From modifying an entire manufacturing facility, to the demolition of an oil refinery, IFR offers the ability to convert analog or digital photographs, or existing archived drawings, directly into a CAD drawing program. The need for creating new, tedious hand drawings (or digitizing old ones) is no longer necessary. Furthermore, the drawings can be complete 3-D models that contain the thousands of measurements and other data that you need to get those critical, high visibility projects done right the first time.
|IFR Benefits for CAD:|
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