topic Re: Plotting color-coded coordinates in GMAP in New SAS User

Plotting color-coded coordinates in GMAP

RandoDando — Fri, 01 Mar 2019 17:56:40 GMT

I am trying to create individual state maps (starting with Maine) with color-coded points mapped out using X-Y coordinates. The data set I am using for the points has X and Y coordinates, along with a specified color for the points to be used in the map. This data set also has the same state code used in the map data set. Below is my code. I get no errors, but when I get to GMAP it only draws the state without the points from the anno set. Any help would be appreciated.

data Maine;
   set mapsgfk.Us_states;
   if state =stfips("ME");
run;

data prop;   set ME_MFH2;
xsys='2'; ysys='2'; hsys='3'; when='a';
function='pie'; rotate=360; size=1.0;
style='psolid'; color=color; output;
run;

proc gproject data=prop
              degrees
              out=propg
              parmentry=mapsgfk.Us_states
              dupok;
   id;
run;


pattern value=mempty color=blue ;
proc gmap
data=maine map=maine  all
anno=propg ;
id state;
choro state /  nolegend;
run;
quit;

Re: Plotting color-coded coordinates in GMAP

Reeza — Fri, 01 Mar 2019 17:59:33 GMT

What version of SAS do you have?SGMAPs produces better quality graphics.

Re: Plotting color-coded coordinates in GMAP

RandoDando — Fri, 01 Mar 2019 18:01:23 GMT

I'm using SAS EG 7.13, not sure which version of SAS is on the Metadata server.

Re: Plotting color-coded coordinates in GMAP

Reeza — Fri, 01 Mar 2019 18:26:33 GMT

this will tell you, check the log.

proc product_status;run;

Re: Plotting color-coded coordinates in GMAP

RandoDando — Fri, 01 Mar 2019 18:28:17 GMT

9.4

Re: Plotting color-coded coordinates in GMAP

ballardw — Fri, 01 Mar 2019 19:03:01 GMT

I would suggest that you examine the maximum and minimum values the X and Y variables of your Maine map data set and then separately the same for the annotate dataset Propg.

The parmentry data set you use in the Gproject, parmentry=mapsgfk.Us_states, will have a significantly different range of values than the Maine only set extracted from the US_states data set.

So I suspect that the annotate values may fall outside of Maine after projection. By any chance does you log show any message about such happening?

Re: Plotting color-coded coordinates in GMAP

RandoDando — Fri, 01 Mar 2019 19:20:55 GMT

After some more searching I came across this, and the example seemed to work (all the prior examples I saw were doing things far more complex than what I needed).

http://support.sas.com/rnd/datavisualization/mapsonline/html/geocode_gmap.html

Now, that I have the big part over with I am down to aesthetics. The example used stars are the point symbols, but I prefer solid dots.

Here is the original code copied from the link using stars:

data prop;   set ME_MFH2;
xsys='2'; ysys='2'; hsys='3'; when='a';
x= -x *(atan(1)/45);
y = y* (atan(1)/45);
function = 'label';
style    = 'special';
text     = 'M';     
color    = color ;              
size     = 2;                        
position = '5';                      
run;

The TEXT = 'M' specifies stars with the style selected. I've tried putting in 'U' for dots, but I get all sorts of strange symbols on my map. Any idea on how to get the solid dots symbol to work?