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add legend

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lxsang
2019-05-06 20:31:20 +02:00
parent ddba25df0c
commit 5e4aa7b1d4
2 changed files with 106 additions and 54 deletions
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71
LuaPlayground/coffees/main.coffee
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@@ -2,7 +2,9 @@ class DataViewer
constructor: (data) ->
@target = data
@el = ($ "<canvas>").attr("class", "viewer")[0]
@offset = 5
@offset = 10
@points = []
@preprocess()
@getBound()
@prepare()
@render()
@@ -10,11 +12,14 @@ class DataViewer
canvasPoint: (v) ->
return new paper.Point(v[0] / @target.resolution + @base.x, - v[1] / @target.resolution + @base.y)
preprocess: () ->
@points = @target.data
getBound: () ->
peak_tl = { x:0, y:0}
peak_rb = { x:0, y:0}
start = null
for v in @target.data
for v in @points
x = v[0] / @target.resolution
y = v[1] / @target.resolution
peak_tl.x = x if x < peak_tl.x
@@ -37,10 +42,10 @@ class DataViewer
drawGrid: (size, color) ->
wgridsize = @target.resolution*size
# draw y line
i = Math.ceil(@bound[0].x / wgridsize)
while i*wgridsize < @bound[1].x
start = @canvasPoint [i*wgridsize, @bound[0].y]
end = @canvasPoint [i*wgridsize, @bound[1].y]
i = Math.ceil(@bound[0].x / size)
while i*size < @bound[1].x
start = new paper.Point(i*size + @base.x, -@bound[0].y + @base.y )
end = new paper.Point(i*size + @base.x, -@bound[1].y + @base.y )
path = new paper.Path()
path.strokeColor = color
path.moveTo start
@@ -48,29 +53,35 @@ class DataViewer
i++
# draw x line
i = Math.ceil(@bound[0].y / wgridsize)
while i*wgridsize < @bound[1].y
start = @canvasPoint [@bound[0].x,i*wgridsize]
end = @canvasPoint [@bound[1].x, i*wgridsize]
i = Math.ceil(@bound[0].y / size)
while i*size < @bound[1].y
start = new paper.Point(@bound[0].x + @base.x,-i*size + @base.y )
end = new paper.Point(@bound[1].x + @base.x, -i*size + @base.y )
path = new paper.Path()
path.strokeColor = color
path.moveTo start
path.lineTo end
i++
# draw text
text = new paper.PointText(@bound[0].x + @base.x, @base.y - @bound[1].y + @offset)
text.justification = 'left'
text.fillColor = '#494949'
text.content = "Resolution: #{@target.resolution}, grid size: #{wgridsize} mm"
drawAxis: (color) ->
# x axis
path = new paper.Path()
path.strokeColor = color
start = @canvasPoint [@bound[0].x, 0]
end = @canvasPoint [@bound[1].x, 0]
start = new paper.Point( @bound[0].x + @base.x, @base.y)
end = new paper.Point( @bound[1].x + @base.x, @base.y)
path.moveTo(start)
path.lineTo(end)
# y axis
path = new paper.Path()
path.strokeColor = color
start = @canvasPoint [0, @bound[0].y]
end = @canvasPoint [0, @bound[1].y]
start = new paper.Point(@base.x, -@bound[0].y + @base.y)
end = new paper.Point(@base.x, -@bound[1].y + @base.y)
path.moveTo(start)
path.lineTo(end)
@drawPoint [0,0], color, 3
@@ -100,21 +111,31 @@ class PointCloudViewer extends DataViewer
constructor: (data) ->
super data
p2c: (length, angle) ->
rad = angle*Math.PI / 180
return [length*Math.cos(rad), length*Math.sin(rad)]
preprocess: () ->
return @points = @target.data unless @target.coordinate is "polar"
@point = []
i = 0
for v in @target.data
@points.push @p2c v, @target.start + i*@target.angularResolution
i = i+1
# point clound render
render: () ->
@drawGrid 20, "#DBDBDB" # 20 px
@drawAxis("#0A84FF")
path = new paper.Path()
path.strokeColor = 'black'
start = null
for v in @target.data
point = @canvasPoint v
if not start
start = point
path.moveTo(start)
else
path.lineTo point
@drawPoint v, "black", 4
for v in @points
if @target.coordinate is "polar"
path = new paper.Path()
path.strokeColor = '#c2a10e'
start = @canvasPoint [0,0]
end = @canvasPoint v
path.moveTo start
path.lineTo end
@drawPoint v, "red", 3
paper.view.draw()