![]() Likewise, all lateral columns must exist on a single layer.Īll beams and joists should be lines, not polylines. It is required to have all of the gravity columns on a single layer. When defining the blocks, make sure that the insertion point of the block is in the exact center which is then placed precisely on the grid line. You cannot use more than one block type to represent different column sizes within the same drawing and there should not be separate blocks for gravity and lateral columns. The program will recognize one type of block for "I" sections, Rectangular HS sections, and Round HS sections. If desired, grid labels can be added in RAM Modeler so it is not a necessity to have a grid labels in the DXF file.Ĭolumns should be drawn as blocks. Alternatively, draw the grid labels as simple pieces of text that are middle center justified and located at the end of the grid. The insertion point should be at the exact center so the grid bubbles are located precisely on the grid lines. Grid labels should preferably be defined by as a block with a text attribute. The circles will be interpreted as circular grids instead of grid labels. ![]() A common problem occurs when users model circles for grid bubbles on the grid lines layer instead of the grid labels layer. Grid labels should be drawn on a separate layer than the grid lines. Grid extensions must not exist in the DXF file or they will be erroneously treated as grid lines. It is common practice to offset the grid bubbles in the drawings using grid extensions. CAD files often have closely spaced grids in which the grid bubbles overlap if they were centered on the grid line. Make sure that grid lines are actually lines, not polylines, and not part of a larger block or external reference file. Radial grids must be composed of a circular grid(s) intersected by radial grids lines that pass through the center of the circular grid. If the ‘Split Disconnected Orthogonal Grids' option is selected, any grid lines that do not physically intersect will be treated as separate system. For additional grids to be recognized in the same orthogonal grid system, they must be precisely parallel. Orthogonal grid systems must have at least one grid in two orthogonal axes to be recognized. For grid lines to be recognized as part of a single grid system, they must be drawn accurately. RAM Modeler is capable of creating orthogonal and radial grid systems. If you intend to import the sample.dxf file, the parameters in the Import DXF dialog box should match those shown below. This also speeds up the process of regeneration in very large drawing files. In order to prevent inaccuracies, it is recommended that you reduce the drawing to its bare essentials prior to importing. When a DXF file is imported, RAM Modeler will only look for information on these layers and other layers will be ignored. For simplicity, use the same layers in the DXF as the import defaults so the layer names do not need to be changed in the Import DXF dialog box. The default parameters may be changed in the Defaults Utility in RAM Manager. Select the DXF file and the following dialog box will appear. To import a DXF file, create and select a new layout in RAM Modeler and go to Layout > Type > Import from DXF. It contains the "I" shaped column, rectangular shaped column, and grid label block definitions that are mentioned in this document.ĭXF files can only be imported into layout types that contain no information. The only exception is the Grid Label Symbol should be changed to the GRIDLABEL block. Here is a link to a sample DXF file that is formatted to match the out-of-the-box RAM Structural System defaults. In order to achieve a successful import, it is imperative that you have a properly formatted DXF file that is precise so that the entities can be mapped properly and subtle framing inaccuracies can be avoided. ![]() This process is discussed in Section 3.3 of the RAM Modeler documentation. DXF plans can be imported into RAM Modeler. ![]()
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