static Error
_newQMesh(int nStrips, int nStrippedPts, QMesh *mesh, dxObject *o)
{
Private priv = NULL;
QMesh tmp = NULL;
*mesh = NULL;
*o = NULL;
tmp = (QMesh)DXAllocateZero(sizeof(QMeshS));
if (! tmp)
return ERROR;
tmp->meshArray = DXNewArray(TYPE_INT, CATEGORY_REAL, 1, 2);
if (! tmp->meshArray)
goto error;
DXReference((dxObject)tmp->meshArray);
if ( !DXAllocateArray (tmp->meshArray, nStrips))
goto error;
tmp->connectionArray = DXNewArray(TYPE_INT, CATEGORY_REAL, 0);
if (! tmp->connectionArray)
goto error;
DXReference((dxObject)tmp->connectionArray);
if ( !DXAllocateArray (tmp->connectionArray, nStrippedPts))
goto error;
tmp->meshes = (int *)DXGetArrayData(tmp->meshArray);
tmp->connections = (int *)DXGetArrayData(tmp->connectionArray);
tmp->nmeshes = nStrips;
tmp->nconnections = nStrippedPts;
priv = (Private)DXNewPrivate((Pointer)tmp, _deleteQMesh);
if (! priv)
goto error;
*mesh = tmp;
*o = (dxObject)priv;
return OK;
error:
if (tmp)
{
if (tmp->connectionArray)
DXDelete((dxObject)tmp->connectionArray);
if (tmp->meshArray)
DXDelete((dxObject)tmp->meshArray);
DXFree((Pointer)tmp);
}
return ERROR;
}
Error
_dxf_polylinesToPlines (xfieldT *xf)
{
int i;
int start, end, knt;
int *mesh;
ENTRY(("_dxf_linesToPlines(0x%x)", xf));
/* allocate permanent xfield pline data of appropriate size */
/* Allocations are a guess based on 100 lines/polyline */
if (!(xf->meshes = DXNewArray(TYPE_INT, CATEGORY_REAL, 1, 2)) ||
!(DXAllocateArray (xf->meshes, xf->npolylines)))
{
PRINT(("could not allocate xfield mesh data"));
DXErrorGoto(ERROR_NO_MEMORY, "#13000") ;
}
mesh = (int *)DXGetArrayData(xf->meshes);
for (i = 0; i < xf->npolylines; i++)
{
start = xf->polylines[i];
end = (i+1 == xf->npolylines) ? xf->nedges : xf->polylines[i+1];
knt = end - start;
if(xf->invCntns && !DXIsElementValid(xf->invCntns,i)) continue;
*mesh++ = start;
*mesh++ = knt;
}
xf->connections_array = (Array)DXReference((dxObject)xf->edges);
xf->nconnections = xf->nedges;
xf->nmeshes = xf->npolylines;
/* record connection info */
xf->posPerConn = 1 ;
xf->connectionType = ct_pline;
EXIT(("OK"));
return OK ;
error:
if(xf->meshes) DXDelete((dxObject)xf->meshes);
EXIT(("ERROR"));
return 0 ;
}
/*
* in: 0 = input
* (1) = component name
*
* out: 0 = avg
* 1 = std
* 2 = var
* 3 = min
* 4 = max
*/
int
m_Statistics(Object *in, Object *out)
{
float min, max, avg, stddev, var;
double dvar;
if (!in[0]) {
DXSetError(ERROR_BAD_PARAMETER, "#10000", "input");
return ERROR;
}
if (!DXStatistics(in[0], "data", &min, &max, &avg, &stddev))
return ERROR;
out[0] = (Object)DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 0);
if (!out[0] || !DXAddArrayData((Array)out[0], 0, 1, (Pointer)&avg))
goto error;
out[1] = (Object)DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 0);
if (!out[1] || !DXAddArrayData((Array)out[1], 0, 1, (Pointer)&stddev))
goto error;
dvar = (double)stddev * stddev;
if (dvar > DXD_MAX_FLOAT) {
out[2] = (Object)DXNewArray(TYPE_DOUBLE, CATEGORY_REAL, 0);
if (!out[2] || !DXAddArrayData((Array)out[2], 0, 1, (Pointer)&dvar))
goto error;
} else {
var = (float)dvar;
out[2] = (Object)DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 0);
if (!out[2] || !DXAddArrayData((Array)out[2], 0, 1, (Pointer)&var))
goto error;
}
out[3] = (Object)DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 0);
if (!out[3] || !DXAddArrayData((Array)out[3], 0, 1, (Pointer)&min))
goto error;
out[4] = (Object)DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 0);
if (!out[4] || !DXAddArrayData((Array)out[4], 0, 1, (Pointer)&max))
goto error;
return OK;
error:
DXDelete(out[0]); out[0] = NULL;
DXDelete(out[1]); out[1] = NULL;
DXDelete(out[2]); out[2] = NULL;
DXDelete(out[3]); out[3] = NULL;
DXDelete(out[4]); out[4] = NULL;
return ERROR;
}
static int
doLeaf(Object *in, Object *out)
{
int result=0;
Field field;
Category category;
Category lookup_category;
int rank, shape[30];
char *cat_comp;
char *data_comp;
char *lookup_comp;
char name_str[256];
char *opstr;
int operation;
int lookup_knt;
int lookup_knt_provided = 0;
Array cat_array = NULL;
Array data_array = NULL;
Array out_array = NULL;
Array array = NULL;
Array lookup_array = NULL;
float *out_data;
int data_knt, cat_knt;
int out_knt=0;
Type cat_type, data_type, lookup_type;
float floatmax;
ICH invalid;
if (DXGetObjectClass(in[0]) == CLASS_FIELD)
{
field = (Field)in[0];
if (DXEmptyField(field))
return OK;
}
if (!DXExtractString((Object)in[1], &opstr))
opstr = STR_COUNT;
if (!strcmp(opstr, STR_COUNT))
operation = STAT_COUNT;
else if (!strcmp(opstr, STR_MEAN))
operation = STAT_MEAN;
else if (!strcmp(opstr, STR_SD))
operation = STAT_SD;
else if (!strcmp(opstr, STR_VAR))
operation = STAT_VAR;
else if (!strcmp(opstr, STR_MIN))
operation = STAT_MIN;
else if (!strcmp(opstr, STR_MAX))
operation = STAT_MAX;
else if (!strcmp(opstr, STR_ACCUM))
operation = STAT_ACCUM;
else
operation = STAT_UNDEF;
if (operation == STAT_UNDEF) {
DXSetError(ERROR_BAD_PARAMETER, "statistics operation must be one of: count, mean, sd, var, min, max");
goto error;
}
if (!DXExtractString((Object)in[2], &cat_comp))
cat_comp = STR_DATA;
if (!DXExtractString((Object)in[3], &data_comp))
data_comp = STR_DATA;
if (in[0])
{
if (DXGetObjectClass(in[0]) != CLASS_FIELD)
{
DXSetError(ERROR_BAD_CLASS, "\"input\" should be a field");
goto error;
}
cat_array = (Array)DXGetComponentValue((Field)in[0], cat_comp);
if (! cat_array)
{
DXSetError(ERROR_MISSING_DATA, "\"input\" has no \"%s\" categorical component", cat_comp);
goto error;
}
if (DXGetObjectClass((Object)cat_array) != CLASS_ARRAY)
{
DXSetError(ERROR_BAD_CLASS, "categorical component \"%s\" of \"input\" should be an array", cat_comp);
goto error;
}
if (!HasInvalid((Field)in[0], cat_comp, &invalid))
{
DXSetError(ERROR_INTERNAL, "Bad invalid component");
goto error;
}
if (invalid)
{
DXSetError(ERROR_DATA_INVALID, "categorical component must not contain invalid data");
goto error;
}
DXGetArrayInfo(cat_array, &cat_knt, &cat_type, &category, &rank, shape);
if ( (cat_type != TYPE_BYTE && cat_type != TYPE_UBYTE && cat_type != TYPE_INT && cat_type != TYPE_UINT)
|| category != CATEGORY_REAL || !((rank == 0) || ((rank == 1)&&(shape[0] == 1))))
{
DXSetError(ERROR_DATA_INVALID, "categorical component %s must be scalar non-float", cat_comp);
goto error;
}
if (operation != STAT_COUNT) {
data_array = (Array)DXGetComponentValue((Field)in[0], data_comp);
if (! data_array)
{
DXSetError(ERROR_MISSING_DATA, "\"input\" has no \"%s\" data component", data_comp);
goto error;
}
if (DXGetObjectClass((Object)data_array) != CLASS_ARRAY)
{
DXSetError(ERROR_BAD_CLASS, "data component \"%s\" of \"input\" should be an array", data_comp);
goto error;
}
DXGetArrayInfo(data_array, &data_knt, &data_type, &category, &rank, shape);
if ( (data_type != TYPE_BYTE && data_type != TYPE_UBYTE && data_type != TYPE_INT && data_type != TYPE_UINT
&& data_type != TYPE_FLOAT && data_type != TYPE_DOUBLE)
|| category != CATEGORY_REAL || !((rank == 0) || ((rank == 1)&&(shape[0] == 1))))
{
DXSetError(ERROR_DATA_INVALID, "data component \"%s\" must be scalar", data_comp);
goto error;
}
if (data_knt != cat_knt)
{
DXSetError(ERROR_DATA_INVALID, "category and data counts must be the same");
goto error;
}
}
}
if (in[4]) {
if (DXExtractString((Object)in[4], &lookup_comp)) {
lookup_array = (Array)DXGetComponentValue((Field)in[0], lookup_comp);
if (!lookup_array)
{
DXSetError(ERROR_MISSING_DATA, "\"input\" has no \"%s\" lookup component", lookup_comp);
goto error;
}
} else if (DXExtractInteger((Object)in[4], &lookup_knt)) {
lookup_knt_provided = 1;
out_knt = lookup_knt;
} else if (DXGetObjectClass((Object)in[4]) == CLASS_ARRAY) {
lookup_array = (Array)in[4];
sprintf(name_str, "%s lookup", cat_comp);
lookup_comp = name_str;
} else {
DXSetError(ERROR_DATA_INVALID, "lookup component must be string, integer, or array");
goto error;
}
} else {
sprintf(name_str, "%s lookup", cat_comp);
lookup_comp = name_str;
lookup_array = (Array)DXGetComponentValue((Field)in[0], lookup_comp);
}
if (lookup_array) {
DXGetArrayInfo(lookup_array, &lookup_knt, &lookup_type, &lookup_category, &rank, shape);
out_knt = lookup_knt;
} else if (!lookup_knt_provided){
if (!DXStatistics((Object)in[0], cat_comp, NULL, &floatmax, NULL, NULL)) {
DXSetError(ERROR_INTERNAL, "Bad statistics on categorical component");
goto error;
}
out_knt = (int)(floatmax+1.5);
}
out_array = DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 0);
if (! out_array)
goto error;
if (! DXSetAttribute((Object)out_array, "dep", (Object)DXNewString("positions")))
goto error;
if (! DXAddArrayData(out_array, 0, out_knt, NULL))
goto error;
if (out[0])
{
if (DXGetObjectClass(out[0]) != CLASS_FIELD)
{
DXSetError(ERROR_INTERNAL, "non-field object found in output");
goto error;
}
if (DXGetComponentValue((Field)out[0], "data"))
DXDeleteComponent((Field)out[0], "data");
if (! DXSetComponentValue((Field)out[0], "data", (Object)out_array))
goto error;
if (lookup_array) {
if (! DXSetComponentValue((Field)out[0], lookup_comp, (Object)lookup_array))
goto error;
}
}
else
{
out[0] = (Object)DXNewField();
array = DXMakeGridPositions(1, out_knt, 0.0, 1.0);
if (!array)
goto error;
DXSetComponentValue((Field)out[0], "positions", (Object)array);
array = DXMakeGridConnections(1, out_knt);
if (!array)
goto error;
DXSetComponentValue((Field)out[0], "connections", (Object)array);
DXSetComponentValue((Field)out[0], "data", (Object)out_array);
if (lookup_array) {
if (! DXSetComponentValue((Field)out[0], lookup_comp, (Object)lookup_array))
goto error;
}
}
out_data = DXGetArrayData(out_array);
if (! out_data)
goto error;
result = CategoryStatistics_worker(
out_data, cat_knt, out_knt, cat_array, data_array,
cat_type, data_type, operation);
if (! result) {
if (DXGetError()==ERROR_NONE)
DXSetError(ERROR_INTERNAL, "error return from user routine");
goto error;
}
result = (DXEndField((Field)out[0]) != NULL);
error:
return result;
}
/* item[n] = start + n * delta */
static
Array MakeLinearList(Array start, Array end, int *n, Array delta)
{
int i, j;
Array a_start = NULL, a_end = NULL, a_delta = NULL;
int delstart = 0, delend = 0, deldelta = 0;
Array alist[3];
Array output = NULL;
int count = 1;
int bytes;
Type t;
Category c;
int rank;
int shape[MAXSHAPE];
int nitems;
int i_start, i_end, i_delta;
float f_start, f_end, f_delta, f_count;
Pointer dp;
int *ip;
Object in[MAXCOMPINPUTS]; /* hardcoded in compute */
Object out;
String compstr = NULL;
char cbuf[64];
Error rc;
/* do this or die in compute */
for (i=0; i<MAXCOMPINPUTS; i++)
in[i] = NULL;
/* find common format of start, end, delta and check for 4 parms */
i = 0;
if (start)
alist[i++] = start;
if (end)
alist[i++] = end;
if (delta)
alist[i++] = delta;
if (n) {
count = *n;
if (i == 3) {
DXWarning("too many inputs specified; ignoring delta");
i--;
delta = NULL;
}
}
else if (i == 2)
count = 2;
if (i < 2) {
DXSetError(ERROR_BAD_PARAMETER,
"not enough inputs specified to generate a list");
return NULL;
}
if (!DXQueryArrayCommonV(&t, &c, &rank, shape, i, alist)) {
DXAddMessage("start, end and/or delta");
return NULL;
}
/* shortcut the process here if the data is scalar integer or
* scalar float. otherwise, if the data is vector or ubyte
* or whatever, fall through and use Compute so we can increment
* by irregular values.
*/
if (t != TYPE_INT && t != TYPE_FLOAT)
goto complicated;
if (c != CATEGORY_REAL || rank != 0)
goto complicated;
/* compute missing value(s):
* start = end - ((count - 1) * delta)
* end = start + ((count - 1) * delta)
* count = ((end - start) / delta) + 1
* delta = (end - start) / (count - 1)
*/
/* convert to the common format */
if (start)
a_start = DXArrayConvertV(start, t, c, rank, shape);
if (end)
a_end = DXArrayConvertV(end, t, c, rank, shape);
if (delta)
a_delta = DXArrayConvertV(delta, t, c, rank, shape);
/* for integer, scalar lists */
if (t == TYPE_INT) {
if (!start) {
i_end = *(int *)DXGetArrayData(a_end);
i_delta = *(int *)DXGetArrayData(a_delta);
i_start = i_end - ((count - 1) * i_delta);
}
if (!end) {
i_start = *(int *)DXGetArrayData(a_start);
i_delta = *(int *)DXGetArrayData(a_delta);
i_end = i_start + ((count - 1) * i_delta);
}
if (!delta) {
/* if count == 1, generate a zero of the right type. otherwise
* divide to figure out the right delta to make count-1 steps
* between start and end. it's count-1 because if you want
* N numbers between start and end, you have N-1 increments.
*/
i_start = *(int *)DXGetArrayData(a_start);
i_end = *(int *)DXGetArrayData(a_end);
if (count == 1)
i_delta = 0;
else
i_delta = (i_end - i_start) / (count - 1);
/* try to catch the case where delta ends up being 0 (like
* because the inputs are int and the count is larger than
* the difference between start and end). allow it to be zero
* only if start == end; i suppose if you ask for 10 things
* where start == end you should be able to get them.
*/
if (i_delta == 0 && i_start != i_end) {
DXSetError(ERROR_BAD_PARAMETER,
"count too large to generate list between start and end");
goto error;
}
}
/* if all three arrays are there, count must be missing */
if (i == 3) {
i_start = *(int *)DXGetArrayData(a_start);
i_end = *(int *)DXGetArrayData(a_end);
i_delta = *(int *)DXGetArrayData(a_delta);
if (i_delta == 0)
count = 1;
else {
if ((i_end >= i_start && i_delta > 0) ||
(i_end < i_start && i_delta < 0))
count = (int)(((double)i_end-i_start) / (double)i_delta) +1;
else {
if (i_delta < 0)
DXSetError(ERROR_BAD_PARAMETER,
"delta must be positive if start is less than end");
else
DXSetError(ERROR_BAD_PARAMETER,
"delta must be negative if end is less than start");
goto error;
}
}
}
output = (Array)DXNewRegularArray(TYPE_INT, 1, count,
(Pointer)&i_start, (Pointer)&i_delta);
}
/* for float, scalar lists */
if (t == TYPE_FLOAT) {
if (!start) {
f_end = *(float *)DXGetArrayData(a_end);
f_delta = *(float *)DXGetArrayData(a_delta);
f_start = f_end - ((count - 1.0) * f_delta);
}
if (!end) {
f_start = *(float *)DXGetArrayData(a_start);
f_delta = *(float *)DXGetArrayData(a_delta);
f_end = f_start + ((count - 1.0) * f_delta);
}
if (!delta) {
/* if count == 1, generate a zero of the right type. otherwise
* divide to figure out the right delta to make count-1 steps
* between start and end. it's count-1 because if you want
* N numbers between start and end, you have N-1 increments.
*/
f_start = *(float *)DXGetArrayData(a_start);
f_end = *(float *)DXGetArrayData(a_end);
if (count == 1)
f_delta = 0.0;
else
f_delta = (f_end - f_start) / (count - 1.0);
/* try to catch the case where delta ends up being 0 (like
* because the inputs are int and the count is larger than
* the difference between start and end). allow it to be zero
* only if start == end; i suppose if you ask for 10 things
* where start == end you should be able to get them.
*/
if (f_delta == 0.0 && f_start != f_end) {
DXSetError(ERROR_BAD_PARAMETER,
"count too large to generate list between start and end");
goto error;
}
}
/* if all three arrays are there, count must be missing */
if (i == 3) {
f_start = *(float *)DXGetArrayData(a_start);
f_end = *(float *)DXGetArrayData(a_end);
f_delta = *(float *)DXGetArrayData(a_delta);
if (f_delta == 0.0)
count = 1;
else {
if ((f_end >= f_start && f_delta > 0) ||
(f_end < f_start && f_delta < 0)) {
/* the intermediate float variable below is to minimize
* float round-off error. if delta is 0.1 and you
* ask for a list between 0 and 1, it does the math in
* double, the delta used is actually 0.10000001, and
* you get counts = 10.9999999 instead of 11. when
* converted directly to int it becomes just 10 and your
* list ends at 0.9 instead of 1.
* math in base 2 has some problems.
*/
f_count = ((f_end - f_start) / f_delta) +1;
count = (int)f_count;
} else {
if (f_delta < 0)
DXSetError(ERROR_BAD_PARAMETER,
"delta must be positive if start is less than end");
else
DXSetError(ERROR_BAD_PARAMETER,
"delta must be negative if end is less than start");
goto error;
}
}
}
output = (Array)DXNewRegularArray(TYPE_FLOAT, 1, count,
(Pointer)&f_start, (Pointer)&f_delta);
}
DXDelete((Object)a_start);
DXDelete((Object)a_end);
DXDelete((Object)a_delta);
/* return Array */
return output;
/* input is a vector, or a data type different from int or float.
* use compute so this code doesn't have to be replicated for each
* different shape and type.
*/
complicated:
nitems = 1;
for (j=0; j<rank; j++)
nitems *= shape[j];
/* compute missing value(s):
* start = end - ((count - 1) * delta)
* end = start + ((count - 1) * delta)
* count = ((end - start) / delta) + 1
* delta = (end - start) / (count - 1)
*/
if (!start) {
compstr = DXNewString("$0 - (($1 - 1) * $2)");
if (!compstr)
goto error;
in[0] = (Object)compstr;
in[1] = (Object)end;
in[3] = (Object)delta;
in[2] = (Object)DXNewArray(TYPE_INT, CATEGORY_REAL, 0);
if (!in[2])
goto error;
if (!DXAddArrayData((Array)in[2], 0, 1, (Pointer)&count))
goto error;
/* i need to explain this - it's basically so if compute was
* going to try to cache this, it could add a reference and
* then later when i call delete the object won't get deleted
* out from underneath compute. (i know compute doesn't cache
* things, but a different module might.)
*/
DXReference((Object)compstr);
DXReference(in[2]);
rc = m_Compute(in, &out);
DXDelete((Object)compstr);
compstr = NULL;
DXDelete(in[2]);
in[2] = NULL;
if (rc == ERROR)
goto error;
start = (Array)out;
delstart++;
}
if (!end) {
compstr = DXNewString("$0 + (($1 - 1) * $2)");
if (!compstr)
goto error;
in[0] = (Object)compstr;
in[1] = (Object)start;
in[3] = (Object)delta;
in[2] = (Object)DXNewArray(TYPE_INT, CATEGORY_REAL, 0);
if (!in[2])
goto error;
if (!DXAddArrayData((Array)in[2], 0, 1, (Pointer)&count))
goto error;
DXReference((Object)compstr);
DXReference(in[2]);
rc = m_Compute(in, &out);
DXDelete((Object)compstr);
compstr = NULL;
DXDelete(in[2]);
in[2] = NULL;
if (rc == ERROR)
goto error;
end = (Array)out;
delend++;
}
if (!delta) {
/* if count == 1, generate a zero of the right type. otherwise
* divide to figure out the right delta to make count-1 steps
* between start and end. it's count-1 because if you want
* N numbers between start and end, you have N-1 increments.
*/
if (count == 1)
compstr = DXNewString("$1 - $1");
else
compstr = DXNewString("($2 - $0) / ($1 - 1)");
if (!compstr)
goto error;
in[0] = (Object)compstr;
in[1] = (Object)start;
in[3] = (Object)end;
in[2] = (Object)DXNewArray(TYPE_INT, CATEGORY_REAL, 0);
if (!in[2])
goto error;
if (!DXAddArrayData((Array)in[2], 0, 1, (Pointer)&count))
goto error;
DXReference((Object)compstr);
DXReference(in[2]);
rc = m_Compute(in, &out);
DXDelete((Object)compstr);
compstr = NULL;
DXDelete(in[2]);
in[2] = NULL;
if (rc == ERROR)
goto error;
delta = (Array)out;
deldelta++;
/* try to catch the case where delta ends up being 0 (like
* because the inputs are int and the count is larger than
* the difference between start and end). allow it to be zero
* only if start == end; i suppose if you ask for 10 things
* where start == end you should be able to get them.
*/
if (IsZero(delta) && !IsEqual(start, end)) {
DXSetError(ERROR_BAD_PARAMETER,
"count too large to generate list between start and end");
goto error;
}
}
/* if all three arrays are there, count must be missing */
if (i == 3) {
char tbuf[512];
int firsttime = 1;
int lastcount = 0;
/* this loop allows us to to handle vectors or matricies as
* well as scalars. it requires that the deltas compute to
* a consistent count. like start=[0 2 4], end=[4 8 16],
* would work if delta=[1 2 4] but not if delta was [1 2 2].
*/
for (j=0; j < nitems; j++) {
/* i think this code only works for vectors - i'm not sure
* what it will do with rank=2 data.
*/
/* this point of this next compute expression:
* if the delta is 0, don't divide by zero - the count is 1.
* if the end is smaller than the start, the delta has to be
* negative. if it's not, return -1. you can't generate a
* negative count from the equations, so this is a safe signal.
*/
sprintf(tbuf,
"float($2.%d) == 0.0 ? "
" 1 : "
" ( (($1.%d >= $0.%d) && ($2.%d > 0) || "
" ($1.%d < $0.%d) && ($2.%d < 0)) ? "
" int(float($1.%d - $0.%d) / float($2.%d)) + 1 : "
" -1 ) ",
j, j, j, j, j, j, j, j, j, j);
compstr = DXNewString(tbuf);
if (!compstr)
goto error;
in[0] = (Object)compstr;
in[1] = (Object)start;
in[2] = (Object)end;
in[3] = (Object)delta;
DXReference((Object)compstr);
rc = m_Compute(in, &out);
DXDelete((Object)compstr);
compstr = NULL;
if (rc == ERROR)
goto error;
if (!DXExtractInteger(out, &count)) {
DXSetError(ERROR_BAD_PARAMETER,
"can't compute number of items");
goto error;
}
DXDelete((Object)out);
if (count == 0)
continue;
if (count < 0) {
if (IsNegative(delta))
DXSetError(ERROR_BAD_PARAMETER,
"delta must be positive if start is less than end");
else
DXSetError(ERROR_BAD_PARAMETER,
"delta must be negative if end is less than start");
goto error;
}
if (firsttime) {
lastcount = count;
firsttime = 0;
} else {
if (count != lastcount) {
DXSetError(ERROR_BAD_PARAMETER,
"inconsistent number of items required by inputs");
goto error;
}
}
}
}
/* now have 4 consistant values - once again make sure they are
* converted into an identical format.
*/
a_start = DXArrayConvertV(start, t, c, rank, shape);
a_end = DXArrayConvertV(end, t, c, rank, shape);
a_delta = DXArrayConvertV(delta, t, c, rank, shape);
/* make empty array with n items */
output = DXNewArrayV(t, c, rank, shape);
if (!output)
goto error;
if (!DXAddArrayData(output, 0, count, NULL))
goto error;
dp = DXGetArrayData(output);
if (!dp)
goto error;
/* foreach n */
/* call compute to add delta */
/* memcpy to right offset in array */
/* end */
bytes = DXGetItemSize(output);
sprintf(cbuf, "%s($0 + ($1 * $2))", TypeName(t));
compstr = DXNewString(cbuf);
if (!compstr)
goto error;
in[0] = (Object)compstr;
in[1] = (Object)a_start;
in[3] = (Object)a_delta;
in[2] = (Object)DXNewArray(TYPE_INT, CATEGORY_REAL, 0);
if (!in[2])
goto error;
if (!DXAddArrayData((Array)in[2], 0, 1, NULL))
goto error;
ip = (int *)DXGetArrayData((Array)in[2]);
DXReference((Object)compstr);
DXReference(in[2]);
for (i=0; i<count; i++) {
*ip = i;
rc = m_Compute(in, &out);
if (rc == ERROR)
goto error;
memcpy(INCVOID(dp, bytes*i), DXGetArrayData((Array)out), bytes);
DXDelete((Object)out);
}
DXDelete((Object)compstr);
DXDelete(in[2]);
DXDelete((Object)a_start);
DXDelete((Object)a_end);
DXDelete((Object)a_delta);
if (delstart)
DXDelete((Object)start);
if (delend)
DXDelete((Object)end);
if (deldelta)
DXDelete((Object)delta);
/* return Array */
return output;
error:
DXDelete((Object)output);
DXDelete((Object)compstr);
DXDelete((Object)a_start);
DXDelete((Object)a_end);
DXDelete((Object)a_delta);
if (delstart)
DXDelete((Object)start);
if (delend)
DXDelete((Object)end);
if (deldelta)
DXDelete((Object)delta);
return NULL;
}
Error
_dxf_linesToPlines (xfieldT *xf)
{
int i;
Line *line = NULL,lineScratch;
int newEdgeI;
Edge edges = NULL;
int *polyline = NULL;
Array array = NULL;
int ptI,lastPtI;
int plineOffset,plineIndex;
Edge edgePool = NULL;
int nextFreeEdge = 0;
ENTRY(("_dxf_linesToPlines(0x%x)", xf));
/* allocate permanent xfield pline data of appropriate size */
/* Allocations are a guess based on 100 lines/polyline */
if (!(xf->meshes = DXNewArray (TYPE_INT, CATEGORY_REAL, 1, 2)) ||
!(DXAllocateArray (xf->meshes, xf->nconnections/100)) ||
!(array = DXNewArray (TYPE_INT, CATEGORY_REAL, 0)) ||
!(DXAllocateArray (array, xf->nconnections+xf->nconnections/100)) ||
!(edgePool = (Edge)DXAllocate(sizeof(EdgeT)*xf->nconnections * 2)))
{
PRINT(("could not allocate xfield mesh data"));
DXErrorGoto(ERROR_NO_MEMORY, "#13000") ;
}
xf->nmeshes = 0 ;
/* get line connection info; lines will be replaced by strips */
xf->origConnections_array = xf->connections_array ;
xf->origNConnections = xf->nconnections;
if(!(edges = (Edge)DXAllocateZero(xf->npositions * sizeof(EdgeT))))
DXErrorGoto(ERROR_NO_MEMORY, "#13000") ;
if (!(polyline = (int *)DXAllocate((xf->nconnections+1) * sizeof(Edge))))
DXErrorGoto(ERROR_NO_MEMORY, "#13000") ;
for(i=0;i<xf->nconnections;i++) {
if(xf->invCntns && !DXIsElementValid(xf->invCntns,i)) continue;
if(!(line = DXGetArrayEntry(xf->connections,i,&lineScratch)))
goto error;
INSERT_EDGE(i,line->p);
INSERT_EDGE(i,line->q);
}
lastPtI = 0;
plineOffset = 0;
plineIndex = 0;
while (1) {
int newPline[2] ;
for(ptI=lastPtI;ptI<xf->npositions;ptI++)
if((newEdgeI = FIND_EDGE(ptI)) >= 0) break;
if(ptI == xf->npositions) break;
lastPtI = ptI;
while(newEdgeI >= 0) {
if(!(line = DXGetArrayEntry(xf->connections,newEdgeI,&lineScratch)))
goto error;
polyline[plineIndex++] = ptI;
DELETE_EDGE(newEdgeI,ptI);
ptI = OTHER_PTI(line,ptI);
DELETE_EDGE(newEdgeI,ptI);
newEdgeI = FIND_EDGE(ptI);
}
polyline[plineIndex++] = ptI;
newPline[0] = plineOffset;
newPline[1] = plineIndex;
#if defined(DEBUG)
if(plineIndex >= 20)
histogram[10]++;
else
histogram[plineIndex/2]++;
#endif
/* add the pline data to the xfield */
DXAddArrayData (xf->meshes, xf->nmeshes, 1, newPline) ;
DXAddArrayData (array, plineOffset,
plineIndex, polyline) ;
xf->nmeshes++ ;
plineOffset += plineIndex;
plineIndex = 0;
}
/* Trim extra storage allocation from arrays */
DXTrim(xf->meshes);
DXTrim(array);
xf->connections_array = array;
xf->nconnections = plineOffset + plineIndex;
array = NULL;
/* free old array handle and create a new one */
if (!(DXFreeArrayHandle(xf->connections)) ||
!(xf->connections = DXCreateArrayHandle(xf->connections_array)))
{
PRINT(("could not create new connections array handle"));
DXErrorGoto(ERROR_NO_MEMORY, "#13000") ;
}
#if 0
DXReference((dxObject)xf->connections_array);
DXReference((dxObject)xf->meshes);
/* create a new array handleo */
if(!(xf->connections = DXCreateArrayHandle(xf->connections_array)))
{
PRINT(("could not create new connections array handle"));
DXErrorGoto(ERROR_NO_MEMORY, "#13000") ;
}
#endif
/* record connection info */
xf->posPerConn = 1 ;
xf->connectionType = ct_pline;
#if defined(DEBUG)
for(i=0;i<11;i++)
PRINT((" %3d",2*i));
PRINT((" >"));
for(i=0;i<11;i++) {
PRINT((" %3d",histogram[i]));
histogram[i] = 0;
}
#endif
DXFree(edgePool);
DXFree(edges);
DXFree(polyline);
EXIT(("OK"));
return OK ;
error:
if(edgePool) DXFree(edgePool);
if(edges) DXFree(edges);
if(polyline) DXFree(polyline);
if(array) DXDelete((dxObject)array);
if(xf->meshes) DXDelete((dxObject)xf->meshes);
EXIT(("ERROR"));
return 0 ;
}
static Error DoSXEnum( Object o, char *name, char *dep ){
Array a;
int n, i, *to;
Object oo;
/* If the supplied object is a field... */
switch( DXGetObjectClass( o ) ){
case CLASS_FIELD:
/* See how many items there are in the requested component. */
a = (Array) DXGetComponentValue( (Field) o, dep );
if( !a ) {
DXSetError( ERROR_DATA_INVALID, "field has no \"%s\" component", dep );
return( ERROR );
}
DXGetArrayInfo( a, &n, NULL, NULL, NULL, NULL );
/* Create a new array to hold the enumeration, and get a pointer to it. */
a = (Array) DXNewArray( TYPE_INT, CATEGORY_REAL, 0 );
if( !DXAddArrayData( a, 0, n, NULL ) ) return( ERROR );
to = (int *) DXGetArrayData( a );
/* Add this new array to the field. */
DXSetComponentValue( (Field) o, name, (Object) a );
/* Store a value for the "dep" attribute of the new array. */
DXSetComponentAttribute( (Field) o, name, "dep", (Object) DXNewString( dep ) );
/* Store the enumeration values. */
for( i=0; i<n; i++ ) *(to++) = i;
/* Indicate that the component values have changed, and complete the
* output field. */
DXChangedComponentValues( (Field) o, name );
if( !DXEndField( (Field) o ) ) return( ERROR );
break;
/* If the supplied object is a group, call this function recursively for
* each member of the group. */
case CLASS_GROUP:
for( i=0; oo=(Object)DXGetEnumeratedMember((Group)o,i,NULL); i++ ){
if( !DoSXEnum( oo, name, dep ) ) return( ERROR );
}
break;
}
return( OK );
}
static void
CaptionKeyStruck(void *data, DXKeyPressEvent *event)
{
CaptionData sdata = (CaptionData)data;
ModuleInput min[2];
ModuleOutput mout[1];
Object caption, strattr, posattr;
Object postion;
float *xyz;
int i, oldl, n, *ptr;
char *oldstr;
char *newstr;
Object obType = NULL;
int x = event->x;
int y = event->y;
char c = event->key;
if (sdata->label == NULL)
return;
caption = DXGetMember((Group)sdata->obj, sdata->label);
if (caption)
{
/*
* If there was already a member by that name, make sure its
* an appropriate object and get its state attributes.
*/
obType = DXGetAttribute(caption, "object type");
if (!obType || strcmp(DXGetString((String)obType), "caption"))
return;
strattr = DXGetAttribute(caption, "string");
posattr = DXGetAttribute(caption, "position");
}
else
{
/*
* Otherwise, we'll initialize the state. We'll need an object
* type attribute to put on the result (We re-use the one on the
* input if there already was a caption)
*/
obType = (Object)DXNewString("caption");
/*
* Initial state is an empty string at the current mouse
* position.
*/
strattr = (Object)DXNewString("");
posattr = (Object)DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 1, 3);
DXAddArrayData((Array)posattr, 0, 1, NULL);
xyz = (float *)DXGetArrayData((Array)posattr);
xyz[0] = ((float)x)/sdata->w;
xyz[1] = ((float)(sdata->h - y))/sdata->w;
xyz[2] = 0.0;
}
DXExtractString(strattr, &oldstr);
/*
* Update the string.
*/
oldl = strlen(oldstr);
if (c == 0x8 /* BACKSPACE */)
{
if (oldl > 0)
{
newstr = (char *)DXAllocate(oldl + 1);
for (i = 0; i < oldl-1; i++)
newstr[i] = oldstr[i];
newstr[oldl-1] = '\0';
}
}
else
{
newstr = (char *)DXAllocate(oldl + 2);
for (i = 0; i < oldl; i++)
newstr[i] = oldstr[i];
newstr[oldl] = c;
newstr[oldl+1] = '\0';
}
strattr = (Object)DXNewString(newstr);
DXReference(strattr);
DXReference(posattr);
/*
* Use CallModule to call the Caption module. This creates the
* new caption object.
*/
DXModSetObjectInput(min+0, "string", strattr);
DXModSetObjectInput(min+1, "position", posattr);
DXModSetObjectOutput(mout+0, "caption", &caption);
DXCallModule("Caption", 2, min, 1, mout);
/*
* Replace attributes onto caption
*/
DXSetAttribute(caption, "string", strattr);
DXSetAttribute(caption, "position", posattr);
DXSetAttribute(caption, "object type", obType);
/*
* Replace it into scene object group
*/
DXSetMember((Group)sdata->obj, sdata->label, caption);
DXDelete(strattr);
DXDelete(posattr);
return;
}
static void
CaptionMouseButton(void *data, DXMouseEvent *event)
{
Object caption;
Object obType;
CaptionData sdata = (CaptionData)data;
int b = WHICH_BUTTON(event);
int x, y;
x = event->x;
y = event->y;
if (sdata->label == NULL)
return;
/*
* Get the member by name. If no caption by this name exists,
* there's nothing to move, so we return.
*/
caption = DXGetMember((Group)sdata->obj, sdata->label);
if (! caption)
return;
/*
* Make sure its an appropriate object
*/
obType = DXGetAttribute(caption, "object type");
if (!obType || strcmp(DXGetString((String)obType), "caption"))
return;
/*
* Only should see left buttons, but check anyway.
*/
if (b == 0)
{
ModuleInput min[2];
ModuleOutput mout[1];
Object strattr, posattr;
float *xyz;
/*
* If its a caption object, it better have these attributes.
* A little error checking might be called for.
*/
strattr = DXGetAttribute(caption, "string");
posattr = (Object)DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 1, 3);
DXAddArrayData((Array)posattr, 0, 1, NULL);
xyz = (float *)DXGetArrayData((Array)posattr);
/*
* Move to the current position (0-1 space requires the division
* by the screen width in pixels.
*/
xyz[0] = ((float)x)/sdata->w;
xyz[1] = ((float)(sdata->h - y))/sdata->w;
xyz[2] = 0.0;
DXReference(strattr);
DXReference(posattr);
/*
* Use CallModule to call the Caption module. This creates the
* new caption object.
*/
DXModSetObjectInput(min+0, "string", strattr);
DXModSetObjectInput(min+1, "position", posattr);
DXModSetObjectOutput(mout+0, "caption", &caption);
DXCallModule("Caption", 2, min, 1, mout);
/*
* Replace attributes onto caption
*/
DXSetAttribute(caption, "string", strattr);
DXSetAttribute(caption, "position", posattr);
DXSetAttribute(caption, "object type", obType);
/*
* Replace it into scene object group
*/
DXSetMember((Group)sdata->obj, sdata->label, caption);
DXDelete(strattr);
DXDelete(posattr);
}
return;
}
main()
{
int rcode;
ModuleInput minput[MAX_PARAMS];
ModuleOutput moutput[MAX_PARAMS];
float cap_position[] = { 0.5, 0.02};
Array cap_pos_array = NULL;
Object caption_out = NULL;
Object import_cloud_out = NULL;
float iso_value = 0.11;
Object isosurface_out = NULL;
float color_opacity = 0.3;
Object color_out = NULL;
Object import_wind_out = NULL;
Array grid_pt_array = NULL;
float grid_point[] = { 35000, 600, 25000};
Array grid_shape_array = NULL;
float grid_shape[] = { 3000, 0, 0, 0, 0, 3000};
int grid_density = 5;
Object grid_out = NULL;
Object streamline_out = NULL;
Object map_out = NULL;
Object autocolor_out = NULL;
float ribbon_width = 400;
Object ribbon_out = NULL;
Object options_out = NULL;
float spec_value = 0.1;
float diffuse_value = 0.9;
Object collect_out = NULL;
Object autocamera_out = NULL;
DXInitModules();
/* This program will exit when the enter key is hit */
DXRegisterInputHandler(exit_handler, STDIN_FILENO, 0) ;
/* Caption - setup in/outputs and call module */
DXModSetStringInput(&minput[0], "string",
"data courtesy of NCSA, University of Illinois at Urbana-Champaign");
cap_pos_array = DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 1, 2);
if (cap_pos_array == NULL) goto error;
if (DXAddArrayData(cap_pos_array, 0, 1, cap_position) == NULL)
goto error;
DXModSetObjectInput(&minput[1], "position", (Object)cap_pos_array);
DXModSetObjectOutput(&moutput[0], "caption", &caption_out);
rcode = DXCallModule("Caption", 2, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Import - setup in/outputs and call module */
DXModSetStringInput(&minput[0], "name",
"cloudwater");
DXModSetObjectOutput(&moutput[0], "data", &import_cloud_out);
rcode = DXCallModule("Import", 1, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Isosurface - setup in/outputs and call module */
/* no need to reference import_cloud_out before using it here */
/* because we will not use it again. After this module is */
/* called import_cloud_out will be deleted. */
DXModSetObjectInput(&minput[0], "data", import_cloud_out);
DXModSetFloatInput(&minput[1], "value", iso_value);
DXModSetObjectOutput(&moutput[0], "surface", &isosurface_out);
rcode = DXCallModule("Isosurface", 2, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Color - setup in/outputs and call module */
DXModSetObjectInput(&minput[0], "input", isosurface_out);
DXModSetStringInput(&minput[1], "color", "light blue");
DXModSetFloatInput(&minput[2], "opacity", color_opacity);
DXModSetObjectOutput(&moutput[0], "colored", &color_out);
rcode = DXCallModule("Color", 3, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Import - setup in/outputs and call module */
DXModSetStringInput(&minput[0], "name",
"wind");
DXModSetObjectOutput(&moutput[0], "data", &import_wind_out);
rcode = DXCallModule("Import", 1, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Grid - setup in/outputs and call module */
grid_pt_array = DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 1, 3);
if (grid_pt_array == NULL) goto error;
if (DXAddArrayData(grid_pt_array, 0, 1, grid_point) == NULL)
goto error;
DXModSetObjectInput(&minput[0], "point", (Object)grid_pt_array);
DXModSetStringInput(&minput[1], "structure", "ellipse");
grid_shape_array = DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 1, 3);
if (grid_shape_array == NULL) goto error;
if (DXAddArrayData(grid_shape_array, 0, 2, grid_shape) == NULL)
goto error;
DXModSetObjectInput(&minput[2], "shape", (Object)grid_shape_array);
DXModSetIntegerInput(&minput[3], "density", grid_density);
DXModSetObjectOutput(&moutput[0], "grid" , &grid_out);
rcode = DXCallModule("Grid", 4, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Streamline - setup in/outputs and call module */
DXModSetObjectInput(&minput[0], "data", import_wind_out);
DXModSetObjectInput(&minput[1], "start", grid_out);
DXModSetIntegerInput(&minput[2], "flag", 1);
DXModSetObjectOutput(&moutput[0], "line", &streamline_out);
rcode = DXCallModule("Streamline", 3, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* AutoColor - setup in/outputs and call module */
DXModSetObjectInput(&minput[0], "data", streamline_out);
DXModSetObjectInput(&minput[1], "min", streamline_out);
DXModSetObjectOutput(&moutput[0], "mapped", &autocolor_out);
rcode = DXCallModule("AutoColor", 2, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Ribbon - setup in/outputs and call module */
DXModSetObjectInput(&minput[0], "line", autocolor_out);
DXModSetFloatInput(&minput[1], "width", ribbon_width);
DXModSetObjectOutput(&moutput[0], "ribbon", &ribbon_out);
rcode = DXCallModule("Ribbon", 2, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Options - setup in/outputs and call module */
DXModSetObjectInput(&minput[0], "input", ribbon_out);
DXModSetStringInput(&minput[1], "attribute", "specular");
DXModSetFloatInput(&minput[2], "value", spec_value);
DXModSetStringInput(&minput[3], "attribute1", "diffuse");
DXModSetFloatInput(&minput[4], "value1", diffuse_value);
DXModSetObjectOutput(&moutput[0], "output", &options_out);
rcode = DXCallModule("Options", 5, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Collect - setup in/outputs and call module */
DXModSetObjectInput(&minput[0], "object", caption_out);
DXModSetObjectInput(&minput[1], "object1", color_out);
DXModSetObjectInput(&minput[2], "object2", options_out);
DXModSetObjectOutput(&moutput[0], "group", &collect_out);
rcode = DXCallModule("Collect", 3, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* AutoCamera - setup in/outputs and call module */
/* We need to reference collect_out because we will use */
/* it again in the call to Display */
DXReference(collect_out);
DXModSetObjectInput(&minput[0], "object", collect_out);
DXModSetObjectOutput(&moutput[0], "camera", &autocamera_out);
rcode = DXCallModule("AutoCamera", 1, minput, 1, moutput);
if (rcode == ERROR) goto error;
/* Display - setup in/outputs and call module */
DXModSetObjectInput(&minput[0], "object", collect_out);
DXModSetObjectInput(&minput[1], "camera", autocamera_out);
rcode = DXCallModule("Display", 2, minput, 0, moutput);
if (rcode == ERROR) goto error;
fprintf(stderr, "Hit the enter key to exit: ");
while(1) {
DXCheckRIH(1);
}
error: exit (-1);
}
int
m_Convert(Object *in, Object *out)
{
Array incolorvec, outcolorvec;
int ismap, isfield, count, i, ii, numitems, addpoints;
char *colorstrin, *colorstrout;
char newstrin[30], newstrout[30];
Object gout;
float *dpin=NULL, *dpout=NULL;
gout=NULL;
incolorvec = NULL;
outcolorvec = NULL;
if (!in[0]) {
DXSetError(ERROR_MISSING_DATA,"#10000","data");
return ERROR;
}
out[0] = in[0];
ismap = 0;
isfield = 0;
/*
* if it's an array (vector or list of vectors)
*/
if (DXGetObjectClass(in[0]) == CLASS_ARRAY) {
if (!(DXQueryParameter((Object)in[0], TYPE_FLOAT, 3, &numitems))) {
/* must be a list of 3-vectors or a field */
DXSetError(ERROR_BAD_PARAMETER,"#10550","data");
out[0] = NULL;
return ERROR;
}
if (!(incolorvec = DXNewArray(TYPE_FLOAT,CATEGORY_REAL, 1, 3))){
out[0] = NULL;
return ERROR;
}
if (!(DXAddArrayData(incolorvec,0,numitems,NULL)))
goto error;
if (!(dpin = (float *)DXGetArrayData(incolorvec)))
goto error;
if (!(DXExtractParameter((Object)in[0], TYPE_FLOAT, 3, numitems,
(Pointer)dpin))) {
/* must be a list of 3-vectors or a field */
DXSetError(ERROR_BAD_PARAMETER,"#10550","data");
goto error;
}
/*
* also make the output array
*/
if (!(outcolorvec = DXNewArray(TYPE_FLOAT,CATEGORY_REAL, 1, 3)))
goto error;
if (!(DXAddArrayData(outcolorvec,0,numitems,NULL)))
goto error;
if (!(dpout = (float *)DXGetArrayData(outcolorvec)))
goto error;
}
else {
if (_dxfIsColorMap(in[0]))
ismap = 1;
else {
DXResetError();
isfield = 1;
}
}
/* now extract the to and from space names */
/* get color name */
if (!(in[1]))
colorstrin = "hsv";
else
if (!DXExtractString((Object)in[1], &colorstrin)) {
/* invalid input string */
DXSetError(ERROR_BAD_PARAMETER,"#10200","incolorspace");
goto error;
}
/* convert color name to all lower case and remove spaces */
count = 0;
i = 0;
while ( i<29 && colorstrin[i] != '\0') {
if (isalpha(colorstrin[i])){
if (isupper(colorstrin[i]))
newstrin[count]= tolower(colorstrin[i]);
else
newstrin[count]= colorstrin[i];
count++;
}
i++;
}
newstrin[count]='\0';
if (strcmp(newstrin,"rgb")&&strcmp(newstrin,"hsv")) {
DXSetError(ERROR_BAD_PARAMETER,"#10210", newstrin, "incolorspace");
goto error;
}
if (!in[2])
colorstrout = "rgb";
else if (!DXExtractString((Object)in[2], &colorstrout)) {
/* invalid outcolorspace string */
DXSetError(ERROR_BAD_PARAMETER,"#10200","outcolorspace");
goto error;
}
/* convert color name to all lower case and remove spaces */
count = 0;
i = 0;
while ( i<29 && colorstrout[i] != '\0') {
if (isalpha(colorstrout[i])){
if (isupper(colorstrout[i]))
newstrout[count]= tolower(colorstrout[i]);
else
newstrout[count]= colorstrout[i];
count++;
}
i++;
}
newstrout[count]='\0';
if (strcmp(newstrout,"rgb")&&strcmp(newstrout,"hsv")){
/* invalid outcolorspace string */
DXSetError(ERROR_BAD_PARAMETER,"#10210", newstrout, "outcolorspace");
goto error;
}
if (!strcmp(newstrin,newstrout)) {
DXWarning("incolorspace and outcolorspace are the same");
return OK;
}
if (!in[3]) {
/* default behavior is to treat maps like maps (adding points)
and to treat fields like fields (not adding points) */
}
else {
if (!DXExtractInteger(in[3], &addpoints)) {
DXSetError(ERROR_BAD_PARAMETER, "#10070",
"addpoints");
goto error;
}
if ((addpoints < 0) || (addpoints > 1)) {
DXSetError(ERROR_BAD_PARAMETER, "#10070",
"addpoints");
goto error;
}
if (isfield && addpoints) {
DXSetError(ERROR_BAD_PARAMETER, "#10370",
"for a field with greater than 1D positions, addpoints", "0");
goto error;
}
if (ismap && (!addpoints)) {
/* treat the map like a field */
ismap = 0;
isfield = 1;
}
}
/* we have been given a vector value or list of values, not a map */
if ((!ismap)&&(!isfield)) {
if (!strcmp(newstrin,"hsv")) {
for (ii = 0; ii < numitems*3; ii = ii+3) {
if (!(_dxfHSVtoRGB(dpin[ii], dpin[ii+1], dpin[ii+2],
&dpout[ii], &dpout[ii+1], &dpout[ii+2])))
goto error;
}
}
else {
for (ii = 0; ii < numitems*3; ii = ii+3) {
if (!(_dxfRGBtoHSV(dpin[ii], dpin[ii+1], dpin[ii+2],
&dpout[ii], &dpout[ii+1], &dpout[ii+2])))
goto error;
}
}
out[0] = (Object)outcolorvec;
DXDelete((Object)incolorvec);
return OK;
}
/* we have a map or field */
else {
if (ismap) {
if (!(ConvertObject(in[0], newstrin, &gout)))
goto error;
}
else {
gout = DXCopy(in[0], COPY_STRUCTURE);
if (!gout) goto error;
if (!(ConvertFieldObject(gout, newstrin)))
goto error;
}
out[0] = gout;
return OK;
}
error:
out[0] = NULL;
DXDelete((Object)gout);
DXDelete((Object)incolorvec);
DXDelete((Object)outcolorvec);
return ERROR;
}
static Error ConvertFieldObject(Object out, char *strin)
{
Class cl;
int i, rank, shape[30], numitems;
Type type;
Category category;
Array data, new_data;
RGBColor *dp_old, *dp_new;
Object subo;
float red, green, blue, hue, sat, val;
if (!(cl = DXGetObjectClass(out)))
return ERROR;
switch (cl) {
case CLASS_GROUP:
for (i=0; (subo = DXGetEnumeratedMember((Group)out, i, NULL)); i++) {
if (!ConvertFieldObject((Object)subo, strin))
return ERROR;
}
break;
case CLASS_FIELD:
if (DXEmptyField((Field)out))
return OK;
data = (Array)DXGetComponentValue((Field)out,"data");
if (!data) {
DXSetError(ERROR_MISSING_DATA,"#10240", "data");
return ERROR;
}
DXGetArrayInfo(data,&numitems,&type,&category,&rank,shape);
if ((type != TYPE_FLOAT)||(category != CATEGORY_REAL)) {
DXSetError(ERROR_DATA_INVALID,"#10331", "data");
return ERROR;
}
if ((rank != 1)||(shape[0] != 3)) {
DXSetError(ERROR_DATA_INVALID,"#10331", "data");
return ERROR;
}
new_data = DXNewArray(TYPE_FLOAT,CATEGORY_REAL,1,3);
new_data = DXAddArrayData(new_data, 0, numitems, NULL);
dp_old = (RGBColor *)DXGetArrayData(data);
dp_new = (RGBColor *)DXGetArrayData(new_data);
if (!strcmp(strin,"hsv")) {
for (i=0; i<numitems; i++) {
if (!_dxfHSVtoRGB(dp_old[i].r, dp_old[i].g, dp_old[i].b,
&red, &green, &blue))
return ERROR;
dp_new[i] = DXRGB(red,green,blue);
}
}
else {
for (i=0; i<numitems; i++) {
if (!_dxfRGBtoHSV(dp_old[i].r, dp_old[i].g, dp_old[i].b,
&hue, &sat, &val))
return ERROR;
dp_new[i] = DXRGB(hue, sat, val);
}
}
DXSetComponentValue((Field)out, "data", (Object)new_data);
DXChangedComponentValues((Field)out,"data");
DXEndField((Field)out);
break;
default:
break;
}
return OK;
}
static int
doLeaf(Object *in, Object *out)
{
int i, result=0;
Array array;
Field field;
Pointer *in_data[2], *out_data[1];
int in_knt[2], out_knt[1];
Type type;
Category category;
int rank, shape;
Object attr, src_dependency_attr = NULL;
char *src_dependency = NULL;
/*
* Irregular positions info
*/
int p_knt, p_dim;
float *p_positions;
int c_knt = -1;
/* User-added declarations */
float *scratch, *in_ptr, size;
Point inpoint, *out_pos_ptr;
ArrayHandle handle;
Array connections;
Line *conn_ptr;
/*
* positions and/or connections are required, so the first must
* be a field.
*/
if (DXGetObjectClass(in[0]) != CLASS_FIELD)
{
DXSetError(ERROR_DATA_INVALID,
"positions and/or connections unavailable in array object");
goto error;
}
else
{
field = (Field)in[0];
if (DXEmptyField(field))
return OK;
/*
* Determine the dependency of the source object's data
* component.
*/
src_dependency_attr = DXGetComponentAttribute(field, "data", "dep");
if (! src_dependency_attr)
{
DXSetError(ERROR_MISSING_DATA, "\"input\" data component is missing a dependency attribute");
goto error;
}
if (DXGetObjectClass(src_dependency_attr) != CLASS_STRING)
{
DXSetError(ERROR_BAD_CLASS, "\"input\" dependency attribute");
goto error;
}
src_dependency = DXGetString((String)src_dependency_attr);
array = (Array)DXGetComponentValue(field, "positions");
if (! array)
{
DXSetError(ERROR_BAD_CLASS, "\"input\" contains no positions component");
goto error;
}
/* change to doLeaf so that regular positions are not expanded */
if (!(handle = DXCreateArrayHandle(array)))
goto error;
scratch = DXAllocate(3*sizeof(float));
if (!scratch)
goto error;
DXGetArrayInfo(array, &p_knt, NULL, NULL, NULL, &p_dim);
}
/* New User code starts here */
/* Make the new positions array for the output */
array = DXNewArray(TYPE_FLOAT, CATEGORY_REAL, 1, 3);
if (! array)
goto error;
/* Check that the positions are three dimensional: */
if (p_dim != 3) {
DXSetError(ERROR_DATA_INVALID,"input positions must be 3-dimensional");
goto error;
}
/* Allocate space in the new positions array */
if (! DXAddArrayData(array, 0, 4*p_knt, NULL))
goto error;
/* Get a pointer to the output positions */
out_pos_ptr = (Point *)DXGetArrayData(array);
/* Make a connections component for the output */
connections = DXNewArray(TYPE_INT, CATEGORY_REAL, 1, 2);
/* Allocate space in the new connections array */
if (! DXAddArrayData(connections, 0, 2*p_knt, NULL))
goto error;
DXSetAttribute((Object)connections, "element type",
(Object)DXNewString("lines"));
/* Get a pointer to the new connections */
conn_ptr = (Line *)DXGetArrayData(connections);
/* Now "draw" the x's */
for (i=0; i< p_knt; i++) {
/* the following line accesses the position via the
* array handling routines
*/
in_ptr = (float *)DXIterateArray(handle, i, in_ptr, scratch);
inpoint = DXPt(in_ptr[0], in_ptr[1], in_ptr[2]);
DXExtractFloat(in[1], &size);
out_pos_ptr[4*i] = DXPt(inpoint.x - size, inpoint.y, inpoint.z);
out_pos_ptr[4*i+1] = DXPt(inpoint.x + size, inpoint.y, inpoint.z);
out_pos_ptr[4*i+2] = DXPt(inpoint.x, inpoint.y - size, inpoint.z);
out_pos_ptr[4*i+3] = DXPt(inpoint.x, inpoint.y + size, inpoint.z);
conn_ptr[2*i] = DXLn(4*i, 4*i+1);
conn_ptr[2*i+1] = DXLn(4*i+2, 4*i+3);
}
/* Clean up; we're about to significantly modify the positions and connections
*/
DXChangedComponentStructure((Field)out[0],"positions");
DXChangedComponentStructure((Field)out[0],"connections");
/* Now place the new positions and connections in the output field */
DXSetComponentValue((Field)out[0], "positions", (Object)array);
DXSetComponentValue((Field)out[0], "connections", (Object)connections);
/* Finalize the field */
DXEndField((Field)out[0]);
/* Delete scratch and handle */
DXFree((Pointer)scratch);
DXFreeArrayHandle(handle);
/* return */
return OK;
error:
/* Delete scratch and handle */
DXFree((Pointer)scratch);
DXFreeArrayHandle(handle);
return ERROR;
}
/* return outputs from module asynchronously
*/
Error DXSetOutputs(Object *olist, int dxfd)
{
static int firsttime = 1;
Array oarr;
Error ret = ERROR;
ErrorCode ecode;
Group iobj = NULL;
Group oobj = NULL;
Array code = NULL;
String mess = NULL;
int i;
int count = 0;
int one = 1;
int zero = 0;
if (firsttime && ! callsetup (dxfd)) {
host_status = HOST_CLOSED;
return ERROR;
}
ecode = DXGetError();
/*
* Set up for return, at least the return code and message.
*/
oobj = DXNewGroup ();
if (oobj == NULL)
goto finish_up;
if (!(code = DXNewArray (TYPE_INT, CATEGORY_REAL, 0)))
goto finish_up;
if (! DXAddArrayData (code, 0, 1, (Pointer) &ecode))
goto finish_up;
mess = DXNewString (DXGetErrorMessage ());
if (mess == NULL)
goto finish_up;
if (! DXSetEnumeratedMember (oobj, 0, (Object) code) ||
! DXSetEnumeratedMember (oobj, 1, (Object) mess))
goto finish_up;
/*
* If everything is OK then go ahead and return any objects too.
*/
if (ecode == ERROR_NONE)
{
/* send output list so the caller can tell which outputs
* were set. only send the non-NULL ones.
*/
oarr = DXNewArray(TYPE_INT, CATEGORY_REAL, 0);
if (!oarr)
goto finish_up;
for (i = 0; i < number_of_outputs; i++) {
if (! DXAddArrayData(oarr, i, 1, (olist+i) ?
(Pointer)&one : (Pointer)&zero))
goto finish_up;
}
if (! DXSetEnumeratedMember(oobj, 2, (Object)oarr))
goto finish_up;
count = 3;
for (i = 0; i < number_of_outputs; i++)
{
if (olist[i] == NULL)
continue;
if (! DXSetEnumeratedMember (oobj, count++, olist[i]))
goto finish_up;
}
}
/* if the exec isn't already sitting there waiting for results,
* alert it that something is going to come back down the pipe,
* wait for it to be called and eat the new inputs, and send
* the new outputs.
*/
if (!in_module) {
DXInternalReadyToRun();
iobj = (Group) _dxfImportBin_FP (dxfd);
if (iobj == NULL)
goto finish_up;
DXDelete ((Object)iobj);
}
if (!_dxfExportBin_FP ((Object)oobj, dxfd))
goto finish_up;
/*
* if you get to this point, there were no other errors.
*/
ret = OK;
finish_up:
/*
* get rid of space not needed anymore. this doesn't matter for
* one-shots, but for persistent modules we will run out of memory
* eventually if these aren't deleted.
*/
DXDelete ((Object) oobj);
in_module = 0;
return ret;
}
Error DXCallOutboard (PFE m, int dxfd)
{
static int firsttime = 1;
Array oarr;
int nin = 0;
int nout = 0;
Object *ilist = NULL;
Object *olist = NULL;
Error ret = ERROR;
Error modret;
ErrorCode ecode;
char *emessptr = NULL;
Group iobj = NULL;
Group oobj = NULL;
Array code = NULL;
String mess = NULL;
int i;
int *iptr;
int count = 0;
int one = 1;
int zero = 0;
if (firsttime && ! callsetup (dxfd)) {
host_status = HOST_CLOSED;
return ERROR;
}
/*
* Import the remote object, extract the number of inputs and outputs,
* and rip them apart appropriately. group members are:
* input parm count,
* input object list (the pointers values don't mean anything in this
* address space; the interesting part is whether they are NULL or not),
* the output parm count,
* and then each input object which isn't null.
*/
iobj = (Group) _dxfImportBin_FP(dxfd);
if(iobj == NULL)
goto finish_up;
if (!DXExtractInteger (DXGetEnumeratedMember (iobj, 0, NULL), &nin))
goto finish_up;
ilist = (Object *) DXAllocateZero(sizeof (Object) * nin);
if (!ilist)
goto finish_up;
iptr = (int *)DXGetArrayData((Array)DXGetEnumeratedMember (iobj, 1, NULL));
if (!DXExtractInteger (DXGetEnumeratedMember (iobj, 2, NULL), &nout))
goto finish_up;
count = 3;
for (i=0; i<nin; i++)
{
if (iptr[i] == (int)NULL)
continue;
ilist[i] = DXGetEnumeratedMember(iobj, count++, NULL);
}
olist = (Object *) DXAllocateZero(sizeof (Object) * nout);
if (!olist)
goto finish_up;
/*
* Call the module, and save the error code if set.
*/
DXResetError();
_dxd_exOutboard = TRUE;
modret = m (ilist, olist);
_dxd_exOutboard = FALSE;
/*
* get these now, before we do something else which overwrites them.
*/
ecode = DXGetError ();
emessptr = DXGetErrorMessage();
/*
* now BEFORE we do anything which allocates memory or new objects
* check the return objects for validity. we saw a case where the
* object being returned was deleted, and then the DXNewGroup()
* below got the exact same address allocated, so when we put the
* group together we put a reference to the parent group into the
* same group as a child. bad things followed...
*
* (the two calls above to geterror & geterrormsg don't allocate anything;
* they return a value & ptr to a static respectively)
*/
for (i = 0; i < nout; i++) {
if (olist[i] == NULL)
continue;
switch (DXGetObjectClass(olist[i])) {
case CLASS_DELETED:
case CLASS_MIN:
case CLASS_MAX:
if (ecode == ERROR_NONE) {
DXSetError(ERROR_BAD_CLASS, "bad object returned as output %d from outboard module", i);
ecode = DXGetError ();
emessptr = DXGetErrorMessage();
} else
DXAddMessage("bad object returned as output %d from outboard module", i);
olist[i] = NULL;
default: /* Lots of other classes */
break;
}
}
/*
* Set up for return, at least the return code and message.
*/
oobj = DXNewGroup ();
if (oobj == NULL)
goto finish_up;
if (!(code = DXNewArray (TYPE_INT, CATEGORY_REAL, 0)))
goto finish_up;
if (! DXAddArrayData (code, 0, 1, (Pointer) &ecode))
goto finish_up;
mess = DXNewString (emessptr);
if (mess == NULL)
goto finish_up;
if (! DXSetEnumeratedMember (oobj, 0, (Object) code) ||
! DXSetEnumeratedMember (oobj, 1, (Object) mess))
goto finish_up;
/*
* If everything is OK then go ahead and return any objects too.
*/
if (modret == OK)
{
/* send output list so the caller can tell which outputs
* were set. only send the non-NULL ones.
*/
oarr = DXNewArray(TYPE_INT, CATEGORY_REAL, 0);
if (!oarr)
goto finish_up;
for (i = 0; i < nout; i++) {
if (! DXAddArrayData(oarr, i, 1, (olist+i) ?
(Pointer)&one : (Pointer)&zero))
goto finish_up;
}
if (! DXSetEnumeratedMember(oobj, 2, (Object)oarr))
goto finish_up;
count = 3;
for (i = 0; i < nout; i++)
{
if (olist[i] == NULL)
continue;
if (! DXSetEnumeratedMember (oobj, count++, olist[i]))
goto finish_up;
}
}
if (!_dxfExportBin_FP ((Object)oobj, dxfd))
goto finish_up;
/*
* if you get to this point, there were no other errors.
*/
ret = OK;
finish_up:
/*
* get rid of space not needed anymore. this doesn't matter for
* one-shots, but for persistent modules we will run out of memory
* eventually if these aren't deleted.
*/
DXDelete ((Object) iobj);
DXDelete ((Object) oobj);
DXFree ((Pointer) ilist);
DXFree ((Pointer) olist);
return ret;
}
