add alert on suspect support angle for non-belt. correct dwell time calcs

src/kiri/main.js

@@ -328,7 +328,7 @@
             split: groupSplit,
         },
         hide: {
-            alert: function(rec) { alert2cancel(rec) },
+            alert: function(rec,recs) { alert2cancel(rec,recs) },
             import: function() { },
             slider: hideSlider
         },
@@ -602,7 +602,13 @@
          return rec;
      }
 
-     function alert2cancel(rec) {
+     function alert2cancel(rec,recs) {
+         if (Array.isArray(recs)) {
+             for (let r of recs) {
+                 alert2cancel(r);
+             }
+             return;
+         }
          if (feature.alert_event) {
              API.event.emit('alert.cancel', rec);
              return;

src/mode/fdm/client.js

@@ -213,10 +213,17 @@
             }
         });
         api.event.on("fdm.supports.detect", func.sgen = () => {
-            alert = api.show.alert("analyzing part(s)...", 1000);
+            let alerts = [];
+            let { process, device } = api.conf.get();
+            if (!device.bedBelt) {
+                if (process.sliceSupportAngle < 10) {
+                    alerts.push(api.show.alert("angles below 10 degrees may fail"));
+                }
+            }
+            alerts.push(api.show.alert("analyzing part(s)...", 1000));
             FDM.support_generate(array => {
                 func.sclear();
-                api.hide.alert(alert);
+                api.hide.alert(undefined,alerts);
                 for (let rec of array) {
                     let { widget, supports } = rec;
                     let wa = API.widgets.annotate(widget.id);

src/mode/fdm/export.js

@@ -302,7 +302,7 @@
         }
 
         function dwell(ms) {
-            time += ms;
+            time += ms/1000;
             // break up dwell times over 4s because of
             // limitations in some firmwares
             while (ms > 0) {