Editing a Symbol Library

Each library can contain 18 lithologic symbols. Lithologic symbols are used to represent soils and rocks. The lithologic symbols and descriptions in the library can be changed by clicking on one of the lithologic symbols in the library. The Symbol Descriptions form will then be displayed.

The Edit Bitmap form is used to create and edit the symbols and description. At the left side of the tab there is a toolbar used to edit the symbol. The buttons on the toolbar perform the following actions:

• The Clear button is used to erase the current symbol and provide a blank page.
• The Import Picture button is used to import a bitmap picture from a file into the current symbol. When this button is pressed, the Open bitmap form below will be displayed. Select the bitmap file to import and then press the Open button.
• The Erase button is used to delete parts of the symbol. When this button is pressed the cursor will change to an eraser. To erase a part of the symbol, hold the left mouse button down and move the cursor over the area to be erased.
• The Fill button is used to fill regions of symbols. When this button is pressed the cursor will change to a paint can. To fill an area click inside the region.
• The Undo button is used to undo the previous edit operation.
• The Curve button is used to draw a curved line on the symbol. When pressed the cursor will change to a pencil. To draw a curve, hold down the left mouse button and move the mouse. When finished drawing the line, release the mouse button.
• The Line button is used to draw a straight line on the symbol. When pressed the cursor will change to a pencil. To draw a line, press and hold down the left mouse button at the start of the line. Move the mouse to the end of the line and release the mouse button.
• The Rectangle button is used to draw a hollow rectangle on the symbol. When pressed the cursor will change to a cross. To draw a rectangle, press and hold down the left mouse button at the upper left corner of the rectangle. Move the mouse to the lower right corner of the rectangle and release the mouse button.
• The Filled Rectangle button is used to draw a filled rectangle on the symbol. When pressed the cursor will change to a cross. To draw a rectangle, press and hold down the left mouse button at the upper left corner of the rectangle. Move the mouse to the lower right corner of the rectangle and release the mouse button.
• The Ellipse button is used to draw a hollow ellipse on the symbol. When pressed the cursor will change to a cross. To draw an ellipse, press and hold down the left mouse button at the upper left corner of the ellipse. Move the mouse to the lower right corner of the ellipse and release the mouse button.
• The Filled Ellipse button is used to draw a filled ellipse on the symbol. When pressed the cursor will change to a cross. To draw an ellipse, press and hold down the left mouse button at the upper left corner of the ellipse. Move the mouse to the lower right corner of the ellipse and release the mouse button.