plate name color conventional method 
planimetric feature plate black scribing 
water plate blue scribing 
relief plate brown scribing 
black mask plate black stripping 
blue mask plate blue stripping 
brown mask plate brown stripping 
annotation plate black photo-lettering 
annotation mask plate black brushing 
  
  
  
  
  
Table 1 Constitution of the 1/25,000 topographic map 
  
  
Display functions Seletion of thickness of drawing 
- Selection of scale of display - Line No.0 special (0.08mm) - Line No. 1(0. 10mm) 
- Selection of position of display(scroll) - Line No.1 special(0. 15mm) - Line No. 2(0. 20mm) 
Selection of plates to be displayed - Line No. 3(0. 30mm) - Line No. 4(0. 40mm) 
- Selection of display of adjacent sheet » Line No.5 * Road 0. 4mm in width 
* Selection of display of vector data - Road 0.8mm in width - Road 1.0mm in width 
- Road with separation zone 1.0mm in width 
Basic drawing and erasing functions * Scriber with single needle 
- Selection of a plate to be edited « Scriber with double needles 
“ Selection of edit mode * Scriber with triple needles 
— Freehand drawing Selection of thickness of erasing 
— Line drawing(sharp and round) 
- |nterpolated line drawing Drawing Modifier 
— Rotary scriber drawing Drawing in various line types 
— Surface drawing Drawing in various surface types 
— Point symbol drawing 
— Freehand erasing Undo, Redo 
— Line locus erasing 
— Surface erasing Others 
Generation of grid and rule, etc. 
  
  
  
  
Table 2 Functions of Raster Editing Program 
2 shows the functions of raster editing programs. connecting points where a mouse is clicked. In 
cs "are As for display, the raster data of plural plates line drawing, round mode makes the corner formed by 
-dinate and the vector data can be simultaneously 2 lines round like the round needle of scriber, and 
ton Sof displayed. In addition, scrolling and the selection sharp mode makes the corner sharp like the chisel. 
p date of scale (zoom in or out), plates to be displayed Interpolated line drawing defines the smooth curve 
i EWS are available, and the display of adjacent sheet formed by the spline interpolation between points 
; and vector data can be controlled. where a mouse is clicked. Rotary scriber drawing 
defines a figure formed by the locus of the edge of 
As for the basic drawing and erasing functions, the a stick when a mouse drags the other edge. This 
selection of a plate to be edited, drawing or corresponds to the simulation of rotary scriber on 
h erasing mode, and the thickness of drawing or the screen. Surface drawing paints the inside of 
a ess the polygon formed by points where a mouse is 
ti erasing are available. 
n e clicked. Point symbol drawing sets the symbol 
changed : : : 
Tee In drawing or erasing mode, the movement of mouse selected in advance at the point where a mouse 1s 
; che defines several ways of drawing or erasing figures. clicked. Freehand erasing has the same function as 
y d a Freehand drawing defines exactly same figure as the freehand drawing except erasing instead of drawing. 
2 locus of mouse. Line drawing defines the lines Line locus erasing erases the locus of the line 
Table 
519