Improve quality

tikz/isosceles-triangle/Makefile

@@ -1,19 +1,25 @@
 SOURCE = isosceles-triangle
 DELAY = 80
 DENSITY = 300
+WIDTH = 512
 
 make:
 	pdflatex $(SOURCE).tex -output-format=pdf
 	make clean
 
 clean:
-	rm -rf  $(TARGET) *.class *.html *.log *.aux
+	rm -rf  $(TARGET) *.class *.html *.log *.aux *.data *.gnuplot
 
 gif:
 	pdfcrop $(SOURCE).pdf
 	convert -verbose -delay $(DELAY) -loop 0 -density $(DENSITY) $(SOURCE)-crop.pdf $(SOURCE).gif
 	make clean
 
+png:
+	make
+	make svg
+	inkscape $(SOURCE).svg -w $(WIDTH) --export-png=$(SOURCE).png
+
 transparentGif:
 	convert $(SOURCE).pdf -transparent white result.gif
 	make clean
@@ -22,4 +28,6 @@ svg:
 	#inkscape $(SOURCE).pdf --export-plain-svg=$(SOURCE).svg
 	pdf2svg $(SOURCE).pdf $(SOURCE).svg
 	# Necessary, as pdf2svg does not always create valid svgs:
-	inkscape $(SOURCE).svg --export-plain-svg=$(SOURCE).svg
+	inkscape $(SOURCE).svg --export-width=$(WIDTH) --export-plain-svg=$(SOURCE)1.svg
+	rsvg-convert -a -w 720 -f svg $(SOURCE)1.svg -o $(SOURCE).svg
+	rm $(SOURCE)1.svg