void FeatureLayerDrawer::setActiveVisualAttribute(const QString &attr)
{
IFeatureCoverage features = coverage().as<FeatureCoverage>();
if ( features.isValid()) {
if ( features->attributeDefinitions().columnIndex(attr) != iUNDEF){
IRepresentation newrpr = Representation::defaultRepresentation(features->attributeDefinitions().columndefinition(attr).datadef().domain());
if ( newrpr.isValid()){
LayerDrawer::setActiveVisualAttribute(attr);
}
}
}
}
void FeatureLayerDrawer::resetVisualProperty(const QString& propertyName, const IRepresentation& rpr){
IFeatureCoverage features = coverage().as<FeatureCoverage>();
for(int i = 0; i < features->attributeDefinitions().definitionCount(); ++i){
const ColumnDefinition& coldef = features->attributeDefinitions().columndefinitionRef(i);
if ( coldef.name() == propertyName){
IlwisTypes attrType = coldef.datadef().domain()->ilwisType();
if ( hasType(attrType, itNUMERICDOMAIN | itITEMDOMAIN | itTEXTDOMAIN)){
VisualAttribute props = createVisualProperty(coldef, i, rpr);
visualProperty(coldef.name(), props);
break;
}
}
}
}
QString IlwisObjectModel::valuetype() const
{
try{
if ( !_ilwisobject.isValid())
return "";
IlwisTypes objectype = _ilwisobject->ilwisType();
IlwisTypes valueType = itUNKNOWN;
if ( hasType( objectype, itCOVERAGE|itDOMAIN)){
if ( objectype == itRASTER){
IRasterCoverage raster = _ilwisobject.as<RasterCoverage>();
valueType = raster->datadef().domain()->valueType();
} else if ( hasType( objectype , itFEATURE)){
IFeatureCoverage features = _ilwisobject.as<FeatureCoverage>();
ColumnDefinition coldef = features->attributeDefinitions().columndefinition(COVERAGEKEYCOLUMN);
if ( coldef.isValid()){
valueType = coldef.datadef().domain()->valueType();
}
} else if ( hasType( objectype , itDOMAIN)){
IDomain dom = _ilwisobject.as<Domain>();
valueType = dom->valueType();
}
}
QString typeName = TypeHelper::type2HumanReadable(valueType);
return typeName == sUNDEF ? "" : typeName;
}catch(const ErrorObject& ){
// no exceptions may escape here
}
return "";
}
void IlwisObjectModel::resetAttributeModel(const QString& attributeName){
auto setAttributeModel = [&](int i, const ColumnDefinition& coldef, const QString& attributeName){
if ( coldef.name() == attributeName){
AttributeModel *attribute = new AttributeModel(coldef, this, _ilwisobject);
_attributes[i] = attribute;
}
};
IlwisTypes objecttype = _ilwisobject->ilwisType();
if ( objecttype == itRASTER){
IRasterCoverage raster = _ilwisobject.as<RasterCoverage>();
if ( raster->hasAttributes()){
for(int i = 0; i < raster->attributeTable()->columnCount(); ++i){
setAttributeModel(i,raster->attributeTable()->columndefinition(i), attributeName);
}
}
} else if ( hasType(objecttype,itFEATURE)){
IFeatureCoverage features = _ilwisobject.as<FeatureCoverage>();
for(int i = 0; i < features->attributeDefinitions().definitionCount(); ++i){
setAttributeModel(i,features->attributeTable()->columndefinition(i), attributeName);
}
} else if ( hasType(objecttype,itTABLE)){
ITable tbl = _ilwisobject.as<Table>();
for(int i = 0; i < tbl->columnCount(); ++i){
setAttributeModel(i,tbl->columndefinition(i),attributeName);
}
}
}
QQmlListProperty<AttributeModel> IlwisObjectModel::attributes()
{
try {
if ( _attributes.size() == 0){
if ( _ilwisobject.isValid()) {
IlwisTypes objecttype = _ilwisobject->ilwisType();
if ( objecttype == itRASTER){
IRasterCoverage raster = _ilwisobject.as<RasterCoverage>();
if ( raster->hasAttributes()){
for(int i = 0; i < raster->attributeTable()->columnCount(); ++i){
AttributeModel *attribute = new AttributeModel(raster->attributeTable()->columndefinition(i), this, _ilwisobject);
_attributes.push_back(attribute);
}
}else {
AttributeModel *attribute = new AttributeModel(ColumnDefinition(PIXELVALUE, raster->datadef(),i64UNDEF), this, _ilwisobject);
_attributes.push_back(attribute);
}
} else if ( hasType(objecttype,itFEATURE)){
IFeatureCoverage features = _ilwisobject.as<FeatureCoverage>();
for(int i = 0; i < features->attributeDefinitions().definitionCount(); ++i){
AttributeModel *attribute = new AttributeModel(features->attributeDefinitions().columndefinition(i), this, _ilwisobject);
_attributes.push_back(attribute);
}
} else if ( hasType(objecttype,itTABLE)){
ITable tbl = _ilwisobject.as<Table>();
for(int i = 0; i < tbl->columnCount(); ++i){
AttributeModel *attribute = new AttributeModel(tbl->columndefinition(i), this, _ilwisobject);
_attributes.push_back(attribute);
}
}
}
}
if ( _attributes.size() > 0){
return QQmlListProperty<AttributeModel>(this, _attributes) ;
}
}
catch(const ErrorObject& ){
// no exceptions may escape here
}
return QQmlListProperty<AttributeModel>();
}
void FeatureLayerDrawer::coverage(const ICoverage &cov)
{
LayerDrawer::coverage(cov);
setActiveVisualAttribute(sUNDEF);
IFeatureCoverage features = coverage().as<FeatureCoverage>();
for(int i = 0; i < features->attributeDefinitions().definitionCount(); ++i){
const ColumnDefinition& coldef = features->attributeDefinitions().columndefinitionRef(i);
IlwisTypes attrType = coldef.datadef().domain()->ilwisType();
if ( hasType(attrType, itNUMERICDOMAIN | itITEMDOMAIN | itTEXTDOMAIN)){
VisualAttribute props = createVisualProperty(coldef, i);
visualProperty(coldef.name(), props);
}
}
// try to find a reasonable default for the activeattribute
for(int i = 0; i < features->attributeDefinitions().definitionCount(); ++i){
if ( activeAttribute() == sUNDEF){
const ColumnDefinition& coldef = features->attributeDefinitions().columndefinitionRef(i);
if ( features->attributeDefinitions().columnIndex(FEATUREVALUECOLUMN) != iUNDEF){
setActiveVisualAttribute(FEATUREVALUECOLUMN);
}else if ( features->attributeDefinitions().columnIndex(COVERAGEKEYCOLUMN) != iUNDEF){
setActiveVisualAttribute(COVERAGEKEYCOLUMN);
}
else if ( hasType(coldef.datadef().domain()->ilwisType(), itNUMERICDOMAIN)){
setActiveVisualAttribute(coldef.name());
}
}else
break;
}
}
QString IlwisObjectModel::rangeDefinition(bool defaultRange, bool calc, const QString& columnName) {
try {
IlwisTypes objectype = _ilwisobject->ilwisType();
QString rangeString;
if ( hasType( objectype, itCOVERAGE|itDOMAIN)){
if ( objectype == itRASTER){
IRasterCoverage raster = _ilwisobject.as<RasterCoverage>();
if ( defaultRange){
rangeString = raster->datadef().domain()->range()->toString();
}else{
if ( calc){
raster->loadData();
raster->statistics(NumericStatistics::pBASIC);
}
rangeString = raster->datadef().range()->toString();
}
} else if ( hasType( objectype , itFEATURE)){
IFeatureCoverage features = _ilwisobject.as<FeatureCoverage>();
ColumnDefinition coldef = features->attributeDefinitions().columndefinition(COVERAGEKEYCOLUMN);
if ( coldef.isValid()){
if ( defaultRange)
rangeString = coldef.datadef().domain()->range()->toString();
else{
if ( calc){
features->loadData();
std::vector<QVariant> data = features->attributeTable()->column(columnName);
if ( data.size() != 0){
std::vector<double> values(data.size());
int i=0;
for(auto v : data)
values[i++] = v.toDouble();
NumericStatistics stats; // realy like to do this with a template specialization of the proper calculate function, but the syntax was unclear to me
stats.calculate(values.begin(), values.end());
NumericRange *rng = new NumericRange(stats.prop(NumericStatistics::pMIN),stats.prop(NumericStatistics::pMAX));
features->attributeDefinitionsRef().columndefinitionRef(columnName).datadef().range(rng);
}
}
rangeString = coldef.datadef().range()->toString();
}
}
} else if ( hasType( objectype , itDOMAIN)){
rangeString = _ilwisobject.as<Domain>()->range()->toString();
}
}
return rangeString;
}catch(const ErrorObject& ){
// no exceptions may escape here
}
return "";
}
QString IlwisObjectModel::value2string(const QVariant &value, const QString &attrName)
{
auto v2s = [](const ColumnDefinition& coldef, const QVariant& value)->QString {
if ( coldef.isValid()){
if ( coldef.datadef().domain()->ilwisType() == itTEXTDOMAIN)
return value.toString();
return coldef.datadef().domain()->impliedValue(value).toString();
}
if ( value.toDouble() == rUNDEF)
return sUNDEF;
return value.toString();
};
if ( attrName != "") {
IlwisTypes objectype = _ilwisobject->ilwisType();
if ( hasType(objectype, itFEATURE)){
IFeatureCoverage features = _ilwisobject.as<FeatureCoverage>();
ColumnDefinition coldef = features->attributeDefinitions().columndefinition(attrName);
return v2s(coldef, value);
}else if (hasType(objectype, itRASTER)){
IRasterCoverage raster = _ilwisobject.as<RasterCoverage>();
if ( raster->hasAttributes()){
ColumnDefinition coldef = raster->attributeTable()->columndefinition(attrName);
return v2s(coldef, value);
}
if ( raster->datadef().domain()->ilwisType() == itCOLORDOMAIN){
auto clr = ColorRangeBase::toColor(value, ColorRangeBase::cmRGBA);
return ColorRangeBase::toString(clr,ColorRangeBase::cmRGBA) ;
}
}
}
if ( value.toDouble() == rUNDEF)
return sUNDEF;
return value.toString();
}
