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Below are the default values for many parameters of a SJXGraph construction. These values have to be overwritten before the initialization of the JSXGraph board via
Below are the default values for many parameters of a SJXGraph construction. These values have to be overwritten before the initialization of the JSXGraph board via
<source lang="javascript">
<source lang="javascript">
    JXG.Options.fontSize = 14;
     JXG.Options.text.useASCIIMathML = true;
     JXG.Options.text.useASCIIMathML = true;
</source>
</source>

Revision as of 14:44, 16 November 2009

Below are the default values for many parameters of a SJXGraph construction. These values have to be overwritten before the initialization of the JSXGraph board via

    JXG.Options.fontSize = 14;
    JXG.Options.text.useASCIIMathML = true;
JXG.Options = {
    /* Options that are used directly within the board class */
    fontSize : 12,
    showCopyright : true,
    showNavigation : true,
    takeSizeFromFile : true, // If true, the construction - when read from a file or string - the size of the div can be changed.

    /* grid options */
    grid : {
        /* grid styles */
        hasGrid : false,
        gridX : 2,
        gridY : 2,
        gridColor : '#C0C0C0',
        gridOpacity : '0.5',
        gridDash : true,
        /* snap to grid options */
        snapToGrid : false,
        snapSizeX : 2,
        snapSizeY : 2
    },
    /* zoom options */
    zoom : {
        factor : 1.25
    },

    /* geometry element options */
    elements : {
        /* color options */
        color : {
            strokeOpacity : 1,
            highlightStrokeOpacity : 1,
            fillOpacity : 1,
            highlightFillOpacity : 1,

            strokeColor : '#0000ff',
            highlightStrokeColor : '#C3D9FF',
            fillColor : 'none',
            highlightFillColor : 'none'
        },
        strokeWidth : '2px',

        /*draft options */
        draft : {
            draft : false,
            color : '#565656',
            opacity : 0.8,
            strokeWidth : '1px'
        }
    },
    
    /* special point options */
    point : {
        style : 5, //1;
        fillColor : '#ff0000',
        highlightFillColor : '#EEEEEE',
        strokeColor : '#0000ff',         
        highlightStrokeColor : '#C3D9FF' 
    },

    /* special line options */
    line : {    
        firstArrow : false,
        lastArrow : false,
        straightFirst : true,
        straightLast : true,
        fillColor : '#000000',            
        highlightFillColor : 'none',      
        strokeColor : '#0000ff',          
        highlightStrokeColor : '#888888', 
        /* line ticks options */
        ticks : {
            drawLabels : true,
            drawZero : false,
            insertTicks : false,
            minTicksDistance : 50, 
            maxTicksDistance : 300,
            minorHeight : 4,
            majorHeight : 10,
            minorTicks : 4,
            defaultDistance : 1
        }
    },
    
    /*special circle options */
    circle : {
        fillColor : 'none',              
        highlightFillColor : 'none',     
        strokeColor : '#0000ff',         
        highlightStrokeColor : '#C3D9FF' 
    },

    /* special angle options */
    angle : {
        radius : 1.0,
        fillColor : '#FF7F00',
        highlightFillColor : '#FF7F00',
        strokeColor : '#FF7F00',
        fillOpacity : 0.3,
        highlightFillOpacity : 0.3
    },

    /* special arc options */
    arc : {
        firstArrow : false,
        lastArrow : false,
        fillColor : 'none',               
        highlightFillColor : 'none',      
        strokeColor : '#0000ff',          
        highlightStrokeColor : '#C3D9FF'  
    },
    
    /* special polygon options */
    polygon : {
        fillColor : '#00FF00',
        highlightFillColor : '#00FF00',
        fillOpacity : 0.3,
        highlightFillOpacity : 0.3
    },
    
    /* special sector options */
    sector : {
        fillColor : '#00FF00',
        highlightFillColor : '#00FF00',
        fillOpacity : 0.3,
        highlightFillOpacity : 0.3
    },
    
    /* special text options */
    text : {
        strokeColor : '#000000',
        useASCIIMathML : false,
        defaultType : 'html' //'html' or 'internal'
    },

    /* special curve options */
    curve : {
        strokeWidth : '1px',
        strokeColor : '#0000ff',
        RDPsmoothing : false,    // Apply the Ramen-Douglas-Peuker algorithm
        numberPointsHigh : 1600, // Number of points on curves after mouseUp
        numberPointsLow : 400,   // Number of points on curves after mousemove
        doAdvancedPlot : true    // Use the algorithm by Gillam and Hohenwarter
                                 // It is much slower, but the result is better
    }, 
    
    /* precision options */
    precision : {
        hasPoint : 4,
        epsilon : 0.0001
    }
};