示例#1
0
def addtext(txt,xy=None,fontsize=16,font='helvetica',color='black',
            orient=0,justify='LA',tosys=0):
    if xy is None:
        result = gist.mouse(0,0,"Click on point for lower left starting position")
        if result is None:
            raise ValueError, "Invalid point entered."
        x,y = result[4],result[5]
        tosys = 0
    else:
        x,y = xy
    if isinstance(txt, type('')) and txt != '':
        gist.plt(txt, x, y, tosys=tosys, justify=justify,
                 height=fontsize,font=font, color=color, orient=orient)
    return
示例#2
0
def addtext(txt,xy=None,fontsize=16,font='helvetica',color='black',
            orient=0,justify='LA',tosys=0):
    if xy is None:
        result = gist.mouse(0,0,"Click on point for lower left starting position")
        if result is None:
            raise ValueError, "Invalid point entered."
        x,y = result[4],result[5]
        tosys = 0
    else:
        x,y = xy
    if isinstance(txt, type('')) and txt != '':
        gist.plt(txt, x, y, tosys=tosys, justify=justify,
                 height=fontsize,font=font, color=color, orient=orient)
    return
示例#3
0
def legend(text,linetypes=None,lleft=None,color=None,tfont='helvetica',fontsize=14,nobox=0):
    """Construct and place a legend.

    Description:

      Build a legend and place it on the current plot with an interactive
      prompt.

    Inputs:

      text -- A list of strings which document the curves.
      linetypes -- If not given, then the text strings are associated
                   with the curves in the order they were originally
                   drawn.  Otherwise, associate the text strings with the
                   corresponding curve types given.  See plot for description.

    """
    global _hold
    global _textcolor
    if color is None:
        color = _textcolor
    else:
        _textcolor = color
    if color is None:
        color = 'black'

    sys = gist.plsys()
    if sys == 0:
        gist.plsys(1)
    viewp = gist.viewport()
    gist.plsys(sys)
    DX = viewp[1] - viewp[0]
    DY = viewp[3] - viewp[2]
    width = DY / 10.0;
    if lleft is None:
        lleft = gist.mouse(0,0,"Click on point for lower left coordinate.")
        llx = lleft[0]
        lly = lleft[1]
    else:
        llx,lly = lleft[:2]

    savesys = gist.plsys()
    dx = width / 3.0
    legarr = Numeric.arange(llx,llx+width,dx)
    legy = Numeric.ones(legarr.shape)
    dy = fontsize*points*1.2
    deltay = fontsize*points / 2.8
    deltax = fontsize*points / 2.6 * DX / DY
    ypos = lly + deltay;
    if linetypes is None:
        linetypes = _GLOBAL_LINE_TYPES[:]  # copy them out
    gist.plsys(0)
    savehold = _hold
    _hold = 1
    for k in range(len(text)):
        plot(legarr,ypos*legy,linetypes[k])
        print linetypes[k], text[k]
        print llx+width+deltax, ypos-deltay
        if text[k] != "":
            gist.plt(text[k],llx+width+deltax,ypos-deltay,
                     color=color,font=tfont,height=fontsize,tosys=0)
        ypos = ypos + dy
    _hold = savehold
    if nobox:
        pass
    else:
        gist.plsys(0)
        maxlen = MLab.max(map(len,text))
        c1 = (llx-deltax,lly-deltay)
        c2 = (llx + width + deltax + fontsize*points* maxlen/1.8 + deltax,
              lly + len(text)*dy)
        linesx0 = [c1[0],c1[0],c2[0],c2[0]]
        linesy0 = [c1[1],c2[1],c2[1],c1[1]]
        linesx1 = [c1[0],c2[0],c2[0],c1[0]]
        linesy1 = [c2[1],c2[1],c1[1],c1[1]]
        gist.pldj(linesx0,linesy0,linesx1,linesy1,color=color)
    gist.plsys(savesys)
    return
示例#4
0
def legend(text,linetypes=None,lleft=None,color=None,tfont='helvetica',fontsize=14,nobox=0):
    """Construct and place a legend.

    Description:

      Build a legend and place it on the current plot with an interactive
      prompt.

    Inputs:

      text -- A list of strings which document the curves.
      linetypes -- If not given, then the text strings are associated
                   with the curves in the order they were originally
                   drawn.  Otherwise, associate the text strings with the
                   corresponding curve types given.  See plot for description.

    """
    global _hold
    global _textcolor
    if color is None:
        color = _textcolor
    else:
        _textcolor = color
    if color is None:
        color = 'black'

    sys = gist.plsys()
    if sys == 0:
        gist.plsys(1)
    viewp = gist.viewport()
    gist.plsys(sys)
    DX = viewp[1] - viewp[0]
    DY = viewp[3] - viewp[2]
    width = DY / 10.0;
    if lleft is None:
        lleft = gist.mouse(0,0,"Click on point for lower left coordinate.")
        llx = lleft[0]
        lly = lleft[1]
    else:
        llx,lly = lleft[:2]

    savesys = gist.plsys()
    dx = width / 3.0
    legarr = numpy.arange(llx,llx+width,dx)
    legy = numpy.ones(legarr.shape)
    dy = fontsize*points*1.2
    deltay = fontsize*points / 2.8
    deltax = fontsize*points / 2.6 * DX / DY
    ypos = lly + deltay;
    if linetypes is None:
        linetypes = _GLOBAL_LINE_TYPES[:]  # copy them out
    gist.plsys(0)
    savehold = _hold
    _hold = 1
    for k in range(len(text)):
        plot(legarr,ypos*legy,linetypes[k])
        print linetypes[k], text[k]
        print llx+width+deltax, ypos-deltay
        if text[k] != "":
            gist.plt(text[k],llx+width+deltax,ypos-deltay,
                     color=color,font=tfont,height=fontsize,tosys=0)
        ypos = ypos + dy
    _hold = savehold
    if nobox:
        pass
    else:
        gist.plsys(0)
        maxlen = numpy.max(map(len,text))
        c1 = (llx-deltax,lly-deltay)
        c2 = (llx + width + deltax + fontsize*points* maxlen/1.8 + deltax,
              lly + len(text)*dy)
        linesx0 = [c1[0],c1[0],c2[0],c2[0]]
        linesy0 = [c1[1],c2[1],c2[1],c1[1]]
        linesx1 = [c1[0],c2[0],c2[0],c1[0]]
        linesy1 = [c2[1],c2[1],c1[1],c1[1]]
        gist.pldj(linesx0,linesy0,linesx1,linesy1,color=color)
    gist.plsys(savesys)
    return