will open Notepad with the LAYER.SCR file loaded. Picking HydraTools->Options->Edit HydraCAD Layer Script. Autocad plot style by layer default series#The Layer Script, as mentioned earlier, is a series of commands which are echoed to the command line just as you would type them in, only far faster. There is a better way, which I will get to in a moment. There is a problem inherent in editing this type of file and things can get messed up in a hurry. The commands I will now explain are all found on the HydraTools->Options menu item, seen below: Note: The script is run by the Super Purge command because the AutoCAD Purge command (which is part of Super Purge) purges out all unused HydraCAD layers, and we need them there. This file is run whenever you use the Super Purge (PUR) command or the Rebuild HydraCAD Layers (RBL) command from the HydraTools->Tools menu, seen below: These options can be automatically filled by a script file, which is that the LAYER.SCR file does. If you type in -Layer at the AutoCAD prompt (as opposed to Layer, which brings up the Layer Manager), you will see the options available when defining layers. What is this? A script file is a type of AutoCAD file that runs a series of AutoCAD commands, such as those used by the -LAYER command. Most users use the Layer Manager to set and change the properties they want, and to add new layers as needed. The template is already understood by most as the drawing which initially sets the layer properties when a new drawing is created. I want to start this conversation by explaining that there are two things that control the layer settings in a HydraCAD drawing - the template used and the Layer Script (LAYER.SCR) file. Many users are content with using the layer properties we have set as defaults, but what if they want to change them? What if they change their templates, but the HydraCAD settings keep coming back after Super Purge or Rebuild HydraCAD Layers are used? These templates specify properties of the layers such as color, linetypes, plot status, and line-weights, among other things. If you don't want to plot an object, put it in a layer with the "Plot" flag disabled.HydraCAD's templates have layers built into them, as you are already aware. So avoid drawing user objects to the DEFPOINTS layer. The improper use is also indicated by AutoCAD's AUDIT command - if it locates any objects drawn in the DEFPOINTS layer, it moves them as an error to the logging layer $AUDIT-BAD-LAYER (making them plottable again, by the way). The DEFPOINTS layer also does not respect the point display style (PDMODE/PDSIZE). And when you add possible combinations with objects embedded in blocks, groups and paperspace, using the DEFPOINTS layer can be a source of unneccessary complications. The DEFPOINTS layer behaves in a similar way when you just switch off the layer 0. place a viewport object to the DEFPOINTS layer and freeze the layer 0, you won't be able anymore to set a fixed scale to that viewport. the behaviour of object selection in the DEFPOPINTS layer when a standard layer is frozen and when the layer 0 is frozen - suddenly, the objects cannot be selected: This may cause problems when such DWG file is processed later - especially by other users.Ĭompare e.g. The standard "Plot" flag is now available at all user-defined layers - and - AutoCAD expects that the DEFPOINTS layer contains really only its own auxiliar dimensioning control points and it approaches the content of this layer in a special way. The default property of this layer was used in this - as this layer is not plotted.īut such "misuse" of the DEFPOINTS layer is to be avoided. In historical versions of AutoCAD, the system layer for automatic auxiliar dimension points - DEFPOINTS - have been used to draw construction geometry in DWGs. Why you should not use the DEFPOINTS layer to draw geometry?
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