def plotLine(self, ptFrom, ptTo, stroke): """Plots a line. Points are Coord.Pt objects. theStroke is a Plot.Stroke object.""" with SVGWriter.SVGLine(self._svg, ptFrom, ptTo, attrs=self._retSVGAttrsFromStroke(stroke)): pass
def plotSVG(self, topLeft, depth, theSVGWriter): """Plot the track gridlines. topLeft - A Coord.Pt() object that is the top left of the canvas. depth - A Coord.Dim() object that is the total depth of the grid below topLeft. drive - The plot driver.""" if self._gridGn is not None: botLeft = Coord.newPt(topLeft, incY=depth) for stroke, pos in self._gridGn(self._lP.value, self._rP.value): # Compute the line position topP = Coord.newPt(topLeft, incX=Coord.Dim(pos, self._lP.units)) botP = Coord.newPt(botLeft, incX=Coord.Dim(pos, self._lP.units)) with SVGWriter.SVGLine( theSVGWriter, topP, botP, attrs=Stroke.retSVGAttrsFromStroke(stroke)): pass
def test_04(self): """TestSVGlWriter.test_04(): a line. Based on http://www.w3.org/TR/2003/REC-SVG11-20030114/shapes.html#LineElement""" myF = io.StringIO() myViewPort = Coord.Box( Coord.Dim(12, 'cm'), Coord.Dim(4, 'cm'), ) with SVGWriter.SVGWriter(myF, myViewPort) as xS: with XmlWrite.Element(xS, 'desc'): xS.characters( 'Example line01 - lines expressed in user coordinates') #xS.comment(" Show outline of canvas using 'rect' element ") myPt = Coord.Pt(Coord.baseUnitsDim(1), Coord.baseUnitsDim(1)) myBx = Coord.Box(Coord.baseUnitsDim(1198), Coord.baseUnitsDim(398)) with SVGWriter.SVGRect(xS, myPt, myBx, { 'fill': "none", 'stroke': "blue", 'stroke-width': "2" }): pass # Make a group with SVGWriter.SVGGroup(xS, {'stroke': 'green'}): with SVGWriter.SVGLine( xS, Coord.Pt(Coord.baseUnitsDim(100), Coord.baseUnitsDim(300)), Coord.Pt(Coord.baseUnitsDim(300), Coord.baseUnitsDim(100)), {'stroke-width': "5"}): pass with SVGWriter.SVGLine( xS, Coord.Pt(Coord.baseUnitsDim(300), Coord.baseUnitsDim(300)), Coord.Pt(Coord.baseUnitsDim(500), Coord.baseUnitsDim(100)), {'stroke-width': "10"}): pass with SVGWriter.SVGLine( xS, Coord.Pt(Coord.baseUnitsDim(500), Coord.baseUnitsDim(300)), Coord.Pt(Coord.baseUnitsDim(700), Coord.baseUnitsDim(100)), {'stroke-width': "15"}): pass with SVGWriter.SVGLine( xS, Coord.Pt(Coord.baseUnitsDim(700), Coord.baseUnitsDim(300)), Coord.Pt(Coord.baseUnitsDim(900), Coord.baseUnitsDim(100)), {'stroke-width': "20"}): pass with SVGWriter.SVGLine( xS, Coord.Pt(Coord.baseUnitsDim(900), Coord.baseUnitsDim(300)), Coord.Pt(Coord.baseUnitsDim(1100), Coord.baseUnitsDim(100)), {'stroke-width': "25"}): pass # print() # print(myF.getvalue()) # self.maxDiff = None self.assertEqual( """<?xml version='1.0' encoding="utf-8"?> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> <svg height="4.000cm" version="1.1" width="12.000cm" xmlns="http://www.w3.org/2000/svg"> <desc>Example line01 - lines expressed in user coordinates</desc> <rect fill="none" height="398.000px" stroke="blue" stroke-width="2" width="1198.000px" x="1.000px" y="1.000px"/> <g stroke="green"> <line stroke-width="5" x1="100.000px" x2="300.000px" y1="300.000px" y2="100.000px"/> <line stroke-width="10" x1="300.000px" x2="500.000px" y1="300.000px" y2="100.000px"/> <line stroke-width="15" x1="500.000px" x2="700.000px" y1="300.000px" y2="100.000px"/> <line stroke-width="20" x1="700.000px" x2="900.000px" y1="300.000px" y2="100.000px"/> <line stroke-width="25" x1="900.000px" x2="1100.000px" y1="300.000px" y2="100.000px"/> </g> </svg> """, myF.getvalue())
def test_00(self): """TestPlotTrack.test_00(): Construct a lin/log/log track with FEET 1/200 and plot it in SVG.""" myCnv = Plot.Canvas(Coord.Dim(8.5, 'in'), Coord.Dim(12, 'in'), PlotConstants.MarginQtrInch) myViewPort = Coord.Box( width=myCnv.width, depth=myCnv.depth, ) myTopLeft = Coord.Pt(Coord.Dim(0.25, 'in'), Coord.Dim(0.25, 'in')) myF = io.StringIO() myTracks = [ Track.Track(leftPos=Coord.Dim(0.0, 'in'), rightPos=Coord.Dim(2.4, 'in'), gridGn=Track.genLinear10), Track.Track( leftPos=Coord.Dim(2.4, 'in'), rightPos=Coord.Dim(3.2, 'in'), gridGn=None, plotXAxis=True, ), Track.Track(leftPos=Coord.Dim(3.2, 'in'), rightPos=Coord.Dim(5.6, 'in'), gridGn=Track.genLog10Decade2Start2), Track.Track(leftPos=Coord.Dim(5.6, 'in'), rightPos=Coord.Dim(8, 'in'), gridGn=Track.genLog10Decade2Start2), ] with SVGWriter.SVGWriter(myF, myViewPort) as xS: # Do tracks first for t in myTracks: #xS.comment(str(t)) if t.hasGrid: t.plotSVG( myTopLeft, myCnv.depth - myCnv.margins.top - myCnv.margins.bottom, xS, ) # Now XGrid # We are plotting up so xPosStart is at bottom myXposStart = myCnv.depth - myCnv.margins.bottom myXposStop = myCnv.margins.top myXg = XGrid.XGrid(200) # Plot depth lines for pos, stroke in myXg.genXPosStroke(xFrom=4307.5, xInc=False, units=b'FEET'): myXpos = myXposStart + pos if myXpos < myXposStop: break for t in myTracks: if t.hasGrid: with SVGWriter.SVGLine( xS, Coord.Pt(t.left + myCnv.margins.left, myXpos), Coord.Pt(t.right + myCnv.margins.left, myXpos), attrs=Stroke.retSVGAttrsFromStroke(stroke)): pass # Plot depth text textAttrs = { 'text-anchor': 'end', 'dominant-baseline': 'middle', } for pos, val in myXg.genXPosText(xFrom=4307.5, xInc=False, units=b'FEET'): myXpos = myXposStart + pos if myXpos < myXposStop: break for t in myTracks: if t.plotXAxis: myPt = Coord.Pt( t.right + myCnv.margins.left - Coord.Dim(0.05, 'in'), myXpos) with SVGWriter.SVGText(xS, myPt, 'Courier', 16, textAttrs): xS.characters(str(val)) print() print(myF.getvalue())