Added almost all params, made front API usable, and added crs transform draw testing.

Next step figure out more stable proj4 parsing of datums and proj etc,
with adding more specific names.
Then consistently make to_esriwkt work.

tester.py

@@ -1,10 +1,50 @@
 import pycrs
 
 proj4 = "+proj=robin +lon_0=0 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m +no_defs"
-proj4 = "+proj=longlat +ellps=WGS84 +datum=WGS84"
+#proj4 = "+proj=longlat +ellps=WGS84 +datum=WGS84"
 
+
+#crs = pycrs.parser.from_esri_code(54030)
+#crs = pycrs.parser.from_sr_code(7898)
+#crs = pycrs.parser.from_epsg_code(4324)
+#crs = pycrs.parser.from_sr_code(6618)
 crs = pycrs.parser.from_proj4(proj4)
 
-print crs.to_ogc_wkt()
+print crs.to_proj4()
 
 
+
+
+
+import urllib2
+import json
+import pygeoj
+import pyagg
+import pyproj
+c = pyagg.Canvas(600,600)
+c.geographic_space()
+raw = urllib2.urlopen("https://raw.githubusercontent.com/johan/world.geo.json/master/countries.geo.json").read()
+rawdict = json.loads(raw)
+data = pygeoj.load(data=rawdict)
+proj4 = crs.to_proj4()
+fromproj = pyproj.Proj("+init=EPSG:4326")
+toproj = pyproj.Proj(proj4)
+
+print data.bbox
+for feat in data:
+    if feat.geometry.type == "Polygon":
+        feat.geometry.coordinates = [zip(*pyproj.transform(fromproj, toproj, zip(*ring)[0], zip(*ring)[1]))
+                                     for ring in feat.geometry.coordinates]
+data.add_all_bboxes()
+xmins, ymins, xmaxs, ymaxs = zip(*(feat.geometry.bbox for feat in data))
+bbox = (min(xmins), min(ymins), max(xmaxs), max(ymaxs))
+# print data.bbox #PYGEOJ data.bbox doesnt update.........FIX!
+print bbox
+c.zoom_bbox(*bbox)
+for feat in data:
+    if feat.geometry.type == "Polygon":
+        try: c.draw_geojson(feat.geometry, outlinecolor="white")
+        except:
+            # NOTE: feat.__geo_interface__ is one level too high maybe??
+            print feat.geometry
+c.view()