diff options
Diffstat (limited to 'gerber')
| -rw-r--r-- | gerber/__main__.py | 1 | ||||
| -rw-r--r-- | gerber/common.py | 4 | ||||
| -rwxr-xr-x | gerber/excellon.py | 3 | ||||
| -rw-r--r-- | gerber/render/render.py | 19 | ||||
| -rw-r--r-- | gerber/render/svgwrite_backend.py | 7 | ||||
| -rw-r--r-- | gerber/rs274x.py (renamed from gerber/gerber.py) | 29 |
6 files changed, 41 insertions, 22 deletions
diff --git a/gerber/__main__.py b/gerber/__main__.py index 1af4c0f..ab0f377 100644 --- a/gerber/__main__.py +++ b/gerber/__main__.py @@ -30,7 +30,6 @@ if __name__ == '__main__': print "parsing %s" % filename gerberfile = read(filename) gerberfile.render(ctx) - ctx.set_color(tuple([color * 0.4 for color in ctx.color])) print('Saving image to test.svg') ctx.dump('test.svg') diff --git a/gerber/common.py b/gerber/common.py index 0092ec8..6e8c862 100644 --- a/gerber/common.py +++ b/gerber/common.py @@ -30,12 +30,12 @@ def read(filename): CncFile object representing the file, either GerberFile or ExcellonFile. Returns None if file is not an Excellon or Gerber file. """ - import gerber + import rs274x import excellon from utils import detect_file_format fmt = detect_file_format(filename) if fmt == 'rs274x': - return gerber.read(filename) + return rs274x.read(filename) elif fmt == 'excellon': return excellon.read(filename) else: diff --git a/gerber/excellon.py b/gerber/excellon.py index f5d6c29..13aacc6 100755 --- a/gerber/excellon.py +++ b/gerber/excellon.py @@ -39,6 +39,7 @@ def read(filename): -------
file : :class:`gerber.excellon.ExcellonFile`
An ExcellonFile created from the specified file.
+
"""
detected_settings = detect_excellon_format(filename)
settings = FileSettings(**detected_settings)
@@ -317,7 +318,7 @@ def detect_excellon_format(filename): hole_area = 0.0
for hit in p.hits:
tool = hit[0]
- hole_area += math.pow(math.pi * tool.diameter, 2)
+ hole_area += math.pow(math.pi * tool.diameter / 2., 2)
results[key] = (size, p.hole_count, hole_area)
except:
pass
diff --git a/gerber/render/render.py b/gerber/render/render.py index 48a53f8..f7e4485 100644 --- a/gerber/render/render.py +++ b/gerber/render/render.py @@ -83,6 +83,9 @@ class GerberContext(object): background_color : tuple (<float>, <float>, <float>) Color of the background. Used when exposing areas in 'clear' level polarity mode. Format is the same as for `color`. + + alpha : float + Rendering opacity. Between 0.0 (transparent) and 1.0 (opaque.) """ def __init__(self): self.settings = {} @@ -100,7 +103,8 @@ class GerberContext(object): self.color = (0.7215, 0.451, 0.200) self.drill_color = (0.25, 0.25, 0.25) self.background_color = (0.0, 0.0, 0.0) - + self.alpha = 1.0 + def set_format(self, settings): """ Set source file format. @@ -260,6 +264,19 @@ class GerberContext(object): """ self.background_color = color + def set_alpha(self, alpha): + """ Set layer rendering opacity + + .. note:: + Not all backends/rendering devices support this parameter. + + Parameters + ---------- + alpha : float + Rendering opacity. must be between 0.0 (transparent) and 1.0 (opaque) + """ + self.alpha = alpha + def resolve(self, x, y): """ Resolve missing x or y coordinates in a coordinate command. diff --git a/gerber/render/svgwrite_backend.py b/gerber/render/svgwrite_backend.py index 886b4f8..78961da 100644 --- a/gerber/render/svgwrite_backend.py +++ b/gerber/render/svgwrite_backend.py @@ -117,6 +117,7 @@ class GerberSvgContext(GerberContext): self.apertures = {} self.dwg = svgwrite.Drawing() + self.dwg.transform = 'scale 1 -1' self.background = False self.region_path = None @@ -124,11 +125,17 @@ class GerberSvgContext(GerberContext): xbounds, ybounds = bounds size = (SCALE * (xbounds[1] - xbounds[0]), SCALE * (ybounds[1] - ybounds[0])) if not self.background: + self.dwg = svgwrite.Drawing(viewBox='%f, %f, %f, %f' % (SCALE*xbounds[0], -SCALE*ybounds[1],size[0], size[1])) self.dwg.add(self.dwg.rect(insert=(SCALE * xbounds[0], -SCALE * ybounds[1]), size=size, fill=convert_color(self.background_color))) self.background = True + def set_alpha(self, alpha): + super(GerberSvgContext, self).set_alpha(alpha) + import warnings + warnings.warn('SVG output does not support transparency') + def define_aperture(self, d, shape, modifiers): aperture = None if shape == 'C': diff --git a/gerber/gerber.py b/gerber/rs274x.py index 335b443..4076f77 100644 --- a/gerber/gerber.py +++ b/gerber/rs274x.py @@ -37,7 +37,7 @@ def read(filename): Returns ------- - file : :class:`gerber.gerber.GerberFile` + file : :class:`gerber.rs274x.GerberFile` A GerberFile created from the specified file. """ return GerberParser().parse(filename) @@ -91,24 +91,19 @@ class GerberFile(CamFile): ybounds = [0.0, 0.0] for stmt in [stmt for stmt in self.statements if isinstance(stmt, CoordStmt)]: - if stmt.x is not None and stmt.x < xbounds[0]: - xbounds[0] = stmt.x - if stmt.x is not None and stmt.x > xbounds[1]: - xbounds[1] = stmt.x - if stmt.i is not None and stmt.i < xbounds[0]: - xbounds[0] = stmt.i - if stmt.i is not None and stmt.i > xbounds[1]: - xbounds[1] = stmt.i - if stmt.y is not None and stmt.y < ybounds[0]: - ybounds[0] = stmt.y - if stmt.y is not None and stmt.y > ybounds[1]: - ybounds[1] = stmt.y - if stmt.j is not None and stmt.j < ybounds[0]: - ybounds[0] = stmt.j - if stmt.j is not None and stmt.j > ybounds[1]: - ybounds[1] = stmt.j + if stmt.x is not None: + if stmt.x < xbounds[0]: + xbounds[0] = stmt.x + elif stmt.x > xbounds[1]: + xbounds[1] = stmt.x + if stmt.y is not None: + if stmt.y < ybounds[0]: + ybounds[0] = stmt.y + elif stmt.y > ybounds[1]: + ybounds[1] = stmt.y return (xbounds, ybounds) + def write(self, filename): """ Write data out to a gerber file """ |