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NSS
Steel
Flange
Fasteners
Valve
Motor
Search/Replace
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Below is a description of the AutoCAD LISP software available from Hedra Software. All of the software, unless otherwise noted, will run on AutoCAD 2000 or greater. Any one utility comes with the Hedra Software toolbar menu, for easy access. All the software is offered on a try before you buy basis, and has been limited in functionality. To obtain the full version you must register the software, click here for current registration fees. Click on the thumbnails for a bigger picture of each dialog box.

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** NEW ** Named Selection Sets (NSS)

Named Selection Sets, or NSS is a dialog box driven utility that enables you to save selection sets to a file. Each selection set is given a name and a description.  Each selection set is highlighted when you click on the name in the list. The selection set name and description can be changed at any time. You can add or remove objects from any of the selection sets, you can also delete a named selection set from the list. Your named selection sets can then be saved to a file that is loaded automatically each time Named Selection Sets is run. More importantly, they are available each time you re-open the drawing. Named Selection Sets can also be used as a transparent command, start any command that requires a selection set, either click the toolbar button or type 'ddselset at the command line to retrieve any named selection set in the list and pass it to the running command. You could also create new named selection sets whilst running as a transparent command.

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Steel

Steel is a dialog box driven utility for drawing structural steel sections in either section, plan or front views. It is also possible to draw non-standard sections by entering the section data via a dialog box. When drawing a sectional view, you can select the point where the section is drawn, this is either top, middle or bottom, an insertion point is then picked and a rotation angle. When drawing either a front or plan view, an insertion point is picked followed by an end point. Apart from the full range of UK sections, we can also provide European, USA and Japanese (JIS) section data. Sections can be drawn in either metric or imperial units.

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Fasteners

Fasteners is a dialog box driven utility for drawing various types bolt assemblies, with optional washers under the head, nut or both, hidden or no shank, optional locknuts, and an optional centre line. The fastener types provided are Hexagon, socket cap, countersunk slot, countersunk socket and studs. The fastener can be drawn either looking on the head, nut or shank. When drawing a shank view, a start and end point are picked, the fastener is drawn between these two points using the nearest standard length bolt available for the selected diameter.

 

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Flange

Flange is a dialog box driven utility for drawing various types of pipe flanges in a various views. The flange specifications available are BS4504, BS1560 (ANSI) and JISB2210. The flange can be drawn either as an end, side or sectional view, with or without holes. When drawing an end view, the holes can be drawn either off centre, on centre or the position can be picked, the view image indicates the hole position. When you select a different flange code, the image in the view area graphically displays the selected type. Flanges can be drawn in either metric or imperial units.

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Valve

Valve is a dialog box driven utility for drawing representations of various types of valves. You can draw either a butterfly, check or gate valve of standard sizes. The valve is drawn as a representation, i.e., a butterfly valve is drawn  as a rectangle with a diagonal line using a polyline. You insert a valve into your drawing simply by selecting an insertion point, you can then dynamically rotate the valve to the correct direction by selecting another point. The insertion point of the valve is the flange mating face, this giving the correct flange to flange distance. Valves can be drawn in either metric or imperial units.

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Motors

Motors is a dialog box driven utility for drawing various types of GEC/CP motors in various views. It is possible to draw the selected motor either looking on the side, top, fan end or drive end. With each of these view options you have a choice of insertion point, this is selected via a dialog box displaying an image for each insertion point available for the selected view. Likewise, when a different motor style is selected a dialog box is displayed with the various insertion location points available. This location point can be changed at any time whilst the dialog box is displayed. Valves can be drawn in either metric or imperial units.

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Search and Replace

Search and Replace is a small but very useful little utility. It will search through every TEXT and MTEXT object that you select and replace the search string with the replace string, maintaining the original text properties. The select operation will filter out any non text object.

For users of AutoCAD 2000 or greater, to load the software each time AutoCAD loads, follow these instructions;

1. From the Tools menu, select Load Application.
2. Click on the Contents button in the Startup Suite area.
3. Click the Add button and navigate to the appropriate folder, for Steel this would be C:\HedraSoftware\Steel and select the VLX file, for Steel this would be steel.vlx, click the Add button at the bottom of the dialog box.
4. Click the Close button, and the click the Close button again.
5. Click the appropriate icon button on the toolbar to display the dialog box for the software.