Programs will isolate the design layer and hide all irrelevant information.Īdditionally, the objects in vector images are taken off by snapping to theĮntity point or selecting the entire entity/object with a single click toįiles provide increased speed, accuracy and ease of use. Working with vector graphic images with layers, the higher-end quantity takeoff
#CONSTRUCTION TAKEOFF SOFTWARE ITU FILE PDF#
Is created from the CAD, vector file, this PDF file is deemed a vector type PDF Vector files are computer aided design files with theįollowing extensions: AutoCAD DWG, DWF, DXF, DGN and others. Polygons that are based on mathematical expressions. A vector graphic uses geometric objects such as points, lines, curves and Vector filesĬontain much more information than the colour coded pixels found in a rasterįile. Vector graphic image is very different than a raster image. PDF files however and may require the user to convert the PDF file to aĭifferent type raster file such as a TIFF file.īidScreen XL and SiteWorx O/S quantity takeoff software works with all raster type files and does not require PDF file conversions. The amount of errorĭepends on the drawing resolution and scale. Value generated from raster files is rarely 100% accurate. Tiny pixel cells on the screen to measure the desired item. Raster images areįiles with the following file extensions: TIFF, JPEG, CMP, BMP and some PDFs.ĭigitizing lines, points and areas from raster files, the user clicks on the The smaller and closer the pixel cells, theīetter the quality of the image (i.e. The drawing isīuilt up from these pixel cells. Small rectangular cells called pixels, or points of colour. Raster graphic image displays the grading plan as a rectangular grid of very How the takeoff is accomplished, and the optionsĪvailable when performing the takeoff, are governed by the file type. Although somewhat technical, understanding A construction plan file will be either a raster file or a vectorĭifferences between raster and vector files. There are many files created by the construction
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