public Style(string name, StyleType type, RenderRule defaultRule)
{
this.name = name;
this.styletype = type;
rulelist = new List <RenderRule>();
this.defaultRule = defaultRule;
}
public static Style createUniqueValueStyle(FeatureSource featuresource, string arrtributename)
{
//arrtributename = featuresource.schema.fields.Keys.First();//////????????????????????????????????????//
Schema schema = featuresource.schema;
SymbolizerType sign = SymbolizerType.POINT;
switch (schema.geometryType)
{
case OSGeo.OGR.wkbGeometryType.wkbPoint:
sign = SymbolizerType.POINT;
break;
case OSGeo.OGR.wkbGeometryType.wkbLineString:
sign = SymbolizerType.LINE;
break;
case OSGeo.OGR.wkbGeometryType.wkbPolygon:
sign = SymbolizerType.POLYGON;
break;
}
//获取attributename 所对应的所有不同属性值
HashSet <object> set = new HashSet <object>();
List <GisSmartTools.Data.Feature> featurelist = featuresource.features.featureList;
foreach (GisSmartTools.Data.Feature feature in featurelist)
{
set.Add(feature.GetArrtributeByName(arrtributename));
}
List <RenderRule> rulelist = new List <RenderRule>();
foreach (object value in set)
{
RenderRule rule = RenderRule.createDefaultRule(sign);
rule.filter = new Filter_Equals(arrtributename, value);
rulelist.Add(rule);
}
Style style = new Style("uniqueValueStyle", StyleType.UNIQUESTYLE, RenderRule.createDefaultRule(sign));
style.rulelist = rulelist;
return(style);
}
public static Style createSimpleStyle(FeatureSource featuresource)
{
RenderRule rule = null;
switch (featuresource.schema.geometryType)
{
case OSGeo.OGR.wkbGeometryType.wkbPoint:
rule = RenderRule.createDefaultRule(SymbolizerType.POINT);
break;
case OSGeo.OGR.wkbGeometryType.wkbLineString:
rule = RenderRule.createDefaultRule(SymbolizerType.LINE);
break;
case OSGeo.OGR.wkbGeometryType.wkbPolygon:
rule = RenderRule.createDefaultRule(SymbolizerType.POLYGON);
break;
}
Style simplestyle = new Style("simplestyle", StyleType.SIMPLESTYLE, rule);
return(simplestyle);
}
public static Style createRankStyle(FeatureSource featuresource, string attributename, int num, Color startcolor, Color endcolor)
{
Schema schema = featuresource.schema;
SymbolizerType sign = SymbolizerType.POINT;
switch (schema.geometryType)
{
case OSGeo.OGR.wkbGeometryType.wkbPoint:
sign = SymbolizerType.POINT;
break;
case OSGeo.OGR.wkbGeometryType.wkbLineString:
sign = SymbolizerType.LINE;
break;
case OSGeo.OGR.wkbGeometryType.wkbPolygon:
sign = SymbolizerType.POLYGON;
break;
}
FieldDefn fielddefn = null;
if (schema.fields.TryGetValue(attributename, out fielddefn) || attributename.Equals("FeatureID"))
{
FieldType type = FieldType.OFTString;
if (!attributename.Equals("FeatureID"))
{
type = fielddefn.GetFieldType();
}
if (type == FieldType.OFTInteger || type == FieldType.OFTReal || attributename.Equals("FeatureID"))
{
double maxvalue = double.MinValue;
double minvalue = double.MaxValue;
foreach (GisSmartTools.Data.Feature feature in featuresource.features.featureList)
{
double value = 0;
if (type == FieldType.OFTInteger || attributename.Equals("FeatureID"))
{
value = (int)feature.GetArrtributeByName(attributename);
}
if (type == FieldType.OFTReal)
{
value = (double)feature.GetArrtributeByName(attributename);
}
if (value > maxvalue)
{
maxvalue = value;
}
if (value < minvalue)
{
minvalue = value;
}
}
if (num == 0)
{
return(null);
}
double x = (maxvalue - minvalue) / num;
//逐个创建对应的rule
Color[] colorarray = Utils.GetLinearColorList(startcolor, endcolor, num);
double temp_minvalue = minvalue;
double temp_maxvalue = minvalue + x;
List <RenderRule> rulelist = new List <RenderRule>();
// Printer.printnode("min=" + minvalue + " max=" + maxvalue, "");
for (int i = 0; i < num; i++)
{
RenderRule rule = RenderRule.createDefaultRule(sign, colorarray[i]);
Filter_Larger larger = new Filter_Larger(attributename, temp_minvalue);
Filter_Less less = new Filter_Less(attributename, temp_maxvalue);
List <Filter.Filter> filterlist = new List <Filter.Filter>();
filterlist.Add(larger); filterlist.Add(less);
Filter_And andfilter = new Filter_And(filterlist);
rule.filter = andfilter;
rulelist.Add(rule);
// Printer.printnode("temp_" + i, "min=" + temp_minvalue + " max=" + temp_maxvalue);
temp_minvalue += x; temp_maxvalue += x;
}
Style rankstyle = new Style("RankStyle", StyleType.RANKSTYLE, RenderRule.createDefaultRule(sign, startcolor));
rankstyle.rulelist = rulelist;
Printer.printnode("rulist,count=", "" + rulelist.Count);
return(rankstyle);
}
}
return(null);
}
public void setDefalutRule(RenderRule defaultRule)
{
this.defaultRule = defaultRule;
}
public bool addRule(RenderRule rule)
{
rulelist.Add(rule);
return(true);
}