# anticlnDoubPlng1.qry # This is a sample script for drawing the geological line symbol # for a doubly plunging anticline (solid, no arrow stems). Fold symbols # are placed at the center of each line. The plunge arrows are drawn # at both ends of the fold line. # Version March 2008 # Requires TNTmips 2006:72 or later. numeric red, green, blue, scale; numeric widthMap, width, arrowSize, arrowLengthMap; numeric halfSize, wingSize, angle, stemSize, dist; class RVC_GEOREFERENCE vGeoref; class SR_COORDREFSYS vectCRS; class STRING coordUnit$; ###################### Set Parameters ############################## # red, green, blue variables define the color of the line red = 0; green = 0; blue = 0; # This variable defines the denominator of the intended map scale. # It is used as the basis for defining line width and symbol size # and spacing. # Example: for 1:24,000 map scale, Scale = 24000 scale = 24000; # This variable controls the width of the lines. # WidthMap is the desired map width in mm, assuming vector # coordinates are in meters. widthMap = 0.75; # This variable controls the size of the arrows # ArrowLengthMap is the desired arrowhead length in mm, assuming vector # coordinates are in meters: arrowLengthMap = 3; # This variable controls the sweep angle of the arrow in degrees angle = 80; # 80 degree angle ####################### Compute Derived Values ######################## # Check if vector has geographic coordinates (units of degrees instead of meters) # and if so automatically adjust scale factor to draw symbols of appropriate size. Vect.GetDefaultGeoref(vGeoref); vectCRS = vGeoref.GetCoordRefSys(); if (vectCRS.IsProjected() <> 1) { if (vectCRS.IsLocal() <> 1) { scale = scale * 0.000009; } } else { # CRS is projected; check coordinate units to adjust scale # get coordinate unit from the first axis of the planar coordinate system coordUnit$ = vectCRS.Coordsys.GetAxis(1).Unit.GetSymbol(); scale = scale * GetUnitConvDist("m", coordUnit$); } # set final dimensions for drawing if (DrawingLegendView == 1) { # set dimensions for LegendView based on sample size width = 0.1 * SampleRect.GetHeight(); arrowSize = 0.4 * SampleRect.GetHeight(); } else { # set dimensions for drawing elements in view scale = scale / 1000; # conversion from meters to millimeters width = widthMap * scale; arrowSize = arrowLengthMap * scale; } # This variable controls the length of the arrow head wingSize = arrowSize / cosd(angle * 0.5); ################################ Draw ################################## # Set line color, width, and draw fold line. LineStyleSetColor(red,green,blue); LineStyleSetLineWidth(width); LineStyleDrawLine(); # Draw arrow symbols LineStyleSetLineWidth(0); LineStyleDrawArrow(180, arrowSize, wingSize, angle, 1); # arrowhead backward at start LineStyleSetPosition(0.5); # position at midpoint of line LineStyleDropAnchor(1); LineStyleDrawArrow(90, arrowSize, wingSize, angle, 1); # arrowhead on left LineStyleMoveToAnchor(1); LineStyleDrawArrow(-90, arrowSize, wingSize, angle, 1); # arrowhead on right LineStyleSetPosition(1.0); # position at end of line LineStyleDrawArrow(0, arrowSize, wingSize, angle, 1); # arrowhead in line direction