Index: trunk/doc/user/09_appendix/action_details.html
===================================================================
--- trunk/doc/user/09_appendix/action_details.html	(revision 33220)
+++ trunk/doc/user/09_appendix/action_details.html	(revision 33221)
@@ -3674,14 +3674,15 @@
 <tr><th align=right class=actsum>Syntax summary:<td align=left class=actsum>
 SetThermal(Object|SelectedPins|SelectedVias|Selected, Style)
 <tr><th align=right class=actsum>Help text:<td align=left class=actsum>
-Set the thermal (on the current layer) of padstacks to the given style.
-Style = 0 means no thermal.
-Style = 1 horizontal/vertical, round.
-Style = 2 horizontal/vertical, sharp.
-Style = 3 is a solid connection to the polygon.
-Style = 4 (invalid).
-Style = 5 diagonal, round.
-Style = 6 diagonal, sharp.
+Set the thermal (on the current layer) of padstacks to the given style. Style is one of:
+0: means no thermal.
+1: horizontal/vertical, round.
+2: horizontal/vertical, sharp.
+3: is a solid connection to the polygon.
+4: (invalid).
+5: diagonal, round.
+6: diagonal, sharp.
+noshape: no copper shape on layer
 <tr><th align=right class=actsum>Registered&nbsp;by:<td align=left class=actsum>n/a
 </table>
 <p>
@@ -3733,7 +3734,13 @@
 <th>
 6  
 <td>
- 45 degree fingers with sharp edges,  
+ 45 degree fingers with sharp edges,   
+<tr>
+
+<th>
+noshape  
+<td>
+ remove copper shape on layer  
 </table>
   
 <p>
Index: trunk/doc/user/09_appendix/action_reference.html
===================================================================
--- trunk/doc/user/09_appendix/action_reference.html	(revision 33220)
+++ trunk/doc/user/09_appendix/action_reference.html	(revision 33221)
@@ -13,7 +13,7 @@
 <table border=1>
 <caption>
  <b>
-This is pcb-rnd 2.2.4 (svn r33161) an interactive printed circuit board editor ,  Revision: 33219
+This is pcb-rnd 2.2.4 (svn r33161) an interactive printed circuit board editor ,  Revision: 33220
 </b>
 <th> Action <th> Description <th> Syntax <th> Plugin
 <tr><td>About</td><td>Present the about box</td><td>About()</td><td>dialogs plugin</td>
@@ -366,7 +366,7 @@
 <tr><td>SetOctagon</td><td></td><td></td><td>oldactions plugin</td>
 <tr><td><a href="action_details.html#setsame">SetSame</a></td><td>Sets current layer and sizes to match indicated item.</td><td>SetSame()</td><td></td>
 <tr><td>SetSquare</td><td></td><td></td><td>oldactions plugin</td>
-<tr><td><a href="action_details.html#setthermal">SetThermal</a></td><td>Set the thermal (on the current layer) of padstacks to the given style.<br>Style = 0 means no thermal.<br>Style = 1 horizontal/vertical, round.<br>Style = 2 horizontal/vertical, sharp.<br>Style = 3 is a solid connection to the polygon.<br>Style = 4 (invalid).<br>Style = 5 diagonal, round.<br>Style = 6 diagonal, sharp.</td><td>SetThermal(Object|SelectedPins|SelectedVias|Selected, Style)</td><td></td>
+<tr><td><a href="action_details.html#setthermal">SetThermal</a></td><td>Set the thermal (on the current layer) of padstacks to the given style. Style is one of:<br>0: means no thermal.<br>1: horizontal/vertical, round.<br>2: horizontal/vertical, sharp.<br>3: is a solid connection to the polygon.<br>4: (invalid).<br>5: diagonal, round.<br>6: diagonal, sharp.<br>noshape: no copper shape on layer</td><td>SetThermal(Object|SelectedPins|SelectedVias|Selected, Style)</td><td></td>
 <tr><td><a href="action_details.html#setunits">SetUnits</a></td><td>Set the default measurement units.</td><td>SetUnits(mm|mil)</td><td></td>
 <tr><td><a href="action_details.html#setvalue">SetValue</a></td><td>Change various board-wide values and sizes.</td><td>SetValue(Grid|Line|LineSize|Text|TextScale, delta)</td><td></td>
 <tr><td>shape</td><td>Interactive shape generator.</td><td>shape()</td><td>shape plugin</td>
Index: trunk/doc/user/09_appendix/action_src/setthermal.html
===================================================================
--- trunk/doc/user/09_appendix/action_src/setthermal.html	(revision 33220)
+++ trunk/doc/user/09_appendix/action_src/setthermal.html	(revision 33221)
@@ -27,6 +27,9 @@
 	<tr><th>6
 	<td> 45 degree fingers with sharp edges,
 
+	<tr><th>noshape
+	<td> remove copper shape on layer
+
 </table>
 
 <p>
Index: trunk/src/change_act.c
===================================================================
--- trunk/src/change_act.c	(revision 33220)
+++ trunk/src/change_act.c	(revision 33221)
@@ -654,14 +654,15 @@
 
 static const char pcb_acts_SetThermal[] = "SetThermal(Object|SelectedPins|SelectedVias|Selected, Style)";
 static const char pcb_acth_SetThermal[] =
-	"Set the thermal (on the current layer) of padstacks to the given style.\n"
-	"Style = 0 means no thermal.\n"
-	"Style = 1 horizontal/vertical, round.\n"
-	"Style = 2 horizontal/vertical, sharp.\n"
-	"Style = 3 is a solid connection to the polygon.\n"
-	"Style = 4 (invalid).\n"
-	"Style = 5 diagonal, round.\n"
-	"Style = 6 diagonal, sharp.\n";
+	"Set the thermal (on the current layer) of padstacks to the given style. Style is one of:\n"
+	"0: means no thermal.\n"
+	"1: horizontal/vertical, round.\n"
+	"2: horizontal/vertical, sharp.\n"
+	"3: is a solid connection to the polygon.\n"
+	"4: (invalid).\n"
+	"5: diagonal, round.\n"
+	"6: diagonal, sharp.\n"
+	"noshape: no copper shape on layer\n";
 /* DOC: setthermal.html */
 static fgw_error_t pcb_act_SetThermal(fgw_arg_t *res, int argc, fgw_arg_t *argv)
 {
@@ -668,7 +669,7 @@
 	const char *function;
 	const char *style;
 	void *ptr1, *ptr2, *ptr3;
-	int type, kind;
+	int type, kind = 0;
 	int err = 0;
 	rnd_coord_t gx, gy;
 
@@ -678,8 +679,11 @@
 	if (function && *function && style && *style) {
 		rnd_bool absolute;
 
-		kind = rnd_get_value_ex(style, NULL, &absolute, NULL, NULL, NULL);
-		if (absolute && (kind <= 6)) {
+		if (rnd_strcasecmp(style, "noshape") == 0)
+			kind = PCB_THERMAL_NOSHAPE | PCB_THERMAL_ON;
+		else
+			kind = rnd_get_value_ex(style, NULL, &absolute, NULL, NULL, NULL);
+		if ((absolute && (kind <= 6)) || (kind & PCB_THERMAL_ON)) {
 			if (kind != 0)
 				kind |= PCB_THERMAL_ON;
 			switch (rnd_funchash_get(function, NULL)) {