MonoGRAF. Draughting program

MonoGRAF Layers

Layers menu

The following functions are included in the "layers" menu:

Layers menu



New Layer

The "new layer" function creates a new layer for the current drawing. The new layer becomes the current one and is automatically set "on". The status of all other layers is not changed.

PROMPTS:
"Enter group/layer name"
"Enter group/layer text"
At the first prompt, you have to tell MonoGRAF what the new layer's name will be. Along with the prompt, MonoGRAF tells you what the name of the last new layer was. Bear in mind that you may wish to save the layer on disk and that the name you give it now will be used as the file's name with an extension LAY.

At the second prompt, you may optionally enter some text data to be associated with the new layer. If you do not wish to do so, just press the Enter key when the prompt appears.

After answering the second prompt, you may continue your work in the new layer; that means all entities you are creating or editing will belong to that new layer.

Current layer

The "current layer" function changes the current layer. You are prompted to enter the name of the layer to be current and a pop-up menu displays all layer names for the current drawing. After you select the desired layer name it becomes the current one and is set "on" regardless of its state before the execution of the function.

The "current layer" function is extremely important, since you may edit (draw new entities, edit and manipulate existing ones) only for the current layer. But point selection options are valid for all visible layers (You can change that via the "access to points" mode).

Set/Reset layer

The "set/reset layer" function switches on/off the superimposed layers. With this function you may change the status of a layer from visible ("on") to invisible ("off") or vice versa. When you select the function, a pop-up menu displays all layers.

When you select a layer, its status is reversed and the change is immediately reflected on the screen, i.e. the layer appears or disappears. You may change the status for any number of layers any number of times within one execution of the function. The currently active layer is an exception - you may not set it "off".

In order to terminate the function you have to select the "end" function from the control menu or, if you work with the keyboard, to depress the Esc key.

Page layer

The "page layer" function pages through all layers one by one. With it you may view alternatively all layers one by one. You are asked to answer, with a yes/no pop-up menu, the "Next layer?" prompt.

If you select "yes", the next layer (and only the next layer) is displayed and its name is shown on the status line. After the last layer, the function terminates regardless of the "yes" or "no" selection. A "no" answer terminates the function at any time.

This function does not change the current layer and the on/off status of the layers.

Overlaying of layers on the screen is a parameter of the "page layer" function you may change at any time. If that parameter ("superimpose") has a value "yes", then any next layer is displayed without erasing the screen before that. If that parameter has a value "no", then the screen is erased before displaying the next layer.

Insert layer

The "insert layer" function inserts a layer, previously saved on a disk, into the current drawing. A pop-up menu displays all files with the LAY extension from the current directory and you may select any one of them at the prompt:
"Enter group/layer name"
If files with layers (files with LAY extension) do not exists in the active disk drive in the current directory, than a pop-up menu displays all subdirectories of the current directory and you may select a new path at the prompt:
"Enter device and/or directory [..]"
You may move up and down the subdirectory tree, until you find the directory that contains files with layers. Then you are prompted:
"Enter group/layer name"
After reading the chosen layer, you are prompted:
"Insert in window? [yes/no]"
If the answer is "yes", you are asked to answer the following questions:
"First point"
"Diagonal point"
Then the layer is transformed and displayed in a chosen window. If the answer is "no" then the drawing limits of the layer are transformed to the drawing limits of the current drawing.

Save layer

The "save layer" function saves a selected layer on a disk. A pop-up menu displays all layers existing for the drawing and you may select any one of them on the prompt:
"Enter group/layer name"
After you select one of them the layer is saved in the current directory in a file with the name of the selected layer and LAY extension. Changing current disk drive and current directory, where chosen layers have to be saved, is a "parameter" of the "save layer" function. Current disk drive and current directory may be changed temporarily via the "params" function from the control menu.

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