# Create and Modify CAD Drawings
# Supported CAD Entity Types
| Class Name | Description |
|---|---|
| DbLine | Line |
| DbCurve | Curve |
| Db2dPolyline | 2D Polyline |
| Db3dPolyline | 3D Polyline |
| DbPolyline | Polyline |
| BlockReference | Block Reference |
| DbArc | Arc |
| DbCircle | Circle |
| DbEllipse | Ellipse |
| DbHatch | Hatch |
| Text | Single-line Text |
| DbMText | Multiline Text |
| RasterImage | Raster Image |
| DbShape | Shape Entity |
| Spline | Spline |
| Wipeout | Wipeout Entity |
| Dimension | Dimension |
| Db2LineAngularDimension | Angular Dimension [Two Lines] |
| Db3PointAngularDimension | Angular Dimension [Three Points] |
| DbAlignedDimension | Aligned Dimension |
| DbArcDimension | Arc Dimension |
| DbDiametricDimension | Diametric Dimension |
| DbOrdinateDimension | Ordinate Dimension |
| DbRadialDimension | Radial Dimension |
| DbRadialDimensionLarge | Radial Dimension with Leader |
| DbRotatedDimension | Rotated Dimension |
| DbAttributeDefinition | Attribute Definition |
| DbTable | Table |
| DbMLeader | Leader |
| DbSolid | Solid Entity |
| DbLayer | Layer |
| DbTextStyle | Text Style |
| DbDimStyle | Dimension Style |
| DbLinetypeStyle | Linetype Style |
| DbBlock | Block Definition |
| DbDocument | Database Document |
# Create Drawing Example
# Create Drawing Code
(async () => {
// --Create map--Create CAD drawing in backend, then open in frontend
// js code
let svc = new vjmap.Service(env.serviceUrl, env.accessToken)
let doc = new vjmap.DbDocument();
let entitys = [];
let line1 = new vjmap.DbLine();
line1.start = [0, 0]
line1.end = [0, 15]
entitys.push(line1)
let line2 = new vjmap.DbLine();
line2.start = [0, 14.1]
line2.end = [2.99, 14.1]
entitys.push(line2)
let line3 = new vjmap.DbLine();
line3.start = [0, 0.9]
line3.end = [2.99, 0.9]
entitys.push(line3)
let line4 = new vjmap.DbLine();
line4.start = [0, 9.95]
line4.end = [5.8, 9.95]
entitys.push(line4)
let line5 = new vjmap.DbLine();
line5.start = [0, 5.05]
line5.end = [5.8, 5.05]
let hatch = new vjmap.DbHatch();
hatch.pattern = "SOLID";
hatch.color = 0xB43F32;
hatch.points = [line4.start, line4.end, line5.end, line5.start];
entitys.push(hatch);
entitys.push(line4)
entitys.push(line5)
let line6 = new vjmap.DbLine();
line6.start = [5.8, 5.05]
line6.end = [5.8, 9.95]
entitys.push(line6)
let arc1 = new vjmap.DbArc();
arc1.center = [5.7963, 7.504];
arc1.radius = 1.8014;
arc1.startAngle = 270 * Math.PI / 180.0;
arc1.endAngle = 90 * Math.PI / 180.0;
entitys.push(arc1)
let arc2 = new vjmap.DbArc();
arc2.center = [5.7963, 7.504];
arc2.radius = 1.8014;
arc2.startAngle = 90 * Math.PI / 180.0;
arc2.endAngle = 270 * Math.PI / 180.0;
//arc2.linetype = "DASHED"
entitys.push(arc2)
let arc3 = new vjmap.DbArc();
arc3.center = [1.575, 7.5];
arc3.radius = 6.75;
arc3.startAngle = 282 * Math.PI / 180.0;
arc3.endAngle = 78 * Math.PI / 180.0;
entitys.push(arc3)
let block = new vjmap.DbBlock();
block.name = "ball";
block.origin = [0, 0]
block.entitys = entitys;
doc.appendBlock(block);
let blockRef1 = new vjmap.DbBlockReference();
blockRef1.blockname = "ball";
blockRef1.position = [0, 0];
doc.appendEntity(blockRef1);
let blockRef2 = new vjmap.DbBlockReference();
blockRef2.blockname = "ball";
blockRef2.position = [28, 15];
blockRef2.rotation = Math.PI;
doc.appendEntity(blockRef2);
let otherEnts = [
new vjmap.DbLine({
start: [0, 15],
end: [28, 15]
}),
new vjmap.DbLine({
start: [0, 0],
end: [28, 0]
}),
new vjmap.DbLine({
start: [14, 0],
end: [14, 15],
colorIndex: 1
}),
new vjmap.DbCircle({
center:[14, 7.5],
radius: 1.83,
color: 0xFF0000
}),
new vjmap.DbText({
position: [14, 16],
contents: "Basketball court diagram",
colorIndex: 1,
horizontalMode: 4,
height: 1,
})
]
doc.appendEntity(otherEnts);
// js code
let res = await svc.updateMap({
mapid: "basketballCourt",
filedoc: JSON.stringify(doc),
mapopenway: vjmap.MapOpenWay.Memory,
style: vjmap.openMapDarkStyle() // Use dark background style when div has dark background
})
if (res.error) {
message.error(res.error)
}
let mapExtent = vjmap.GeoBounds.fromString(res.bounds);
let prj = new vjmap.GeoProjection(mapExtent);
var map = new vjmap.Map({
container: 'map', // container ID
style: svc.rasterStyle(),
center: prj.toLngLat(mapExtent.center()),
zoom: 2,
renderWorldCopies: false
});
map.attach(svc, prj);
map.fitMapBounds();
map.addControl(new vjmap.NavigationControl());
map.addControl(new vjmap.MousePositionControl({showZoom: true}));
map.enableLayerClickHighlight(svc, e => {
e && message.info(`type: ${e.name}, objectid: ${e.objectid}, layer: ${e.layerindex}`);
})
})();
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
# Modify, Add, or Delete on Existing Drawing
let doc = new vjmap.DbDocument();
/** Source map. Modifications or additions/deletions are applied on top of this map. Format: mapid/version, e.g. exam/v1 . */
doc.from = "basketballCourt/v1";
// Modify or delete entities by passing `objectid` entity handle. If no `objectid` is passed, it means add new entity
let modifyEnts = [
/*Modify*/
new vjmap.DbCircle({
objectid: "71",// Entity handle. If provided, indicates modify or delete this entity.
colorIndex: 2
}),
/*Delete*/
new vjmap.DbText({
objectid: "73",// Entity handle. If provided, indicates modify or delete this entity.
delete: true // Indicates delete
}),
/*Add new (no objectid passed)*/
new vjmap.DbMText({
position: [14, -2],
contents: "I am multiline text",
colorIndex: 3,
attachment: 2,
height: 1,
})
]
doc.appendEntity(modifyEnts);
// js code
let res = await svc.updateMap({
mapid: "newBasketballCourt",
filedoc: JSON.stringify(doc),
mapopenway: vjmap.MapOpenWay.Memory,
style: vjmap.openMapDarkStyle() // Use dark background style when div has dark background
})
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
# Obtaining objectid
Go to VJMap Cloud Management Platform (opens new window) and open the drawing in Memory mode
Click the entity you want to inspect and get its objectid from the attributes panel on the right
# Create Drawing via Backend REST Request
See documentation Map Service REST API - Create or Open Drawing
# Create Complex Drawings via Geometry Model
Example: Network topology diagram via geometry model Network Topology Diagram (opens new window)
# JSON Format for Create, Modify, Delete Drawing
Usage Example
var data = {
"from": "", /** Source map. Modifications or additions/deletions are applied on top of this map. Format: mapid/version, e.g. exam/v1 . */
"layers": [
{
"name": "test",
"color": 1
}
],
"textStyles": [
{
"name": "mytext",
"isShapeFile": false,
"textSize": 0.0,
"xScale": 1.0,
"priorSize": 22,
"obliquingAngle": 0.0,
"fileName": "VERDANA.TTF",
"typeFace": "Verdana",
"bold": false,
"italic": false,
"charset": 0,
"pitchAndFamily": 34
}
],
"dimStyles": [
{
"name": "mydimstyle",
"textStyle": "mytext",
"dimsah": true,
"dimblk1": "_OBLIQUE",
"dimblk2": "_DOT"
}
],
"linetypes": [
{
"name": "mylinetype",
"comments": "--|----",
"style": [
{
"method": "numDashes",
"parameter": 6
},
{
"method": "patternLength",
"parameter": 1.8
},
{
"method": "dashLengthAt",
"parameter": [0, 0.5]
},
{
"method": "dashLengthAt",
"parameter": [1, -0.2]
},{
"method": "dashLengthAt",
"parameter": [2, -0.2]
},
{
"method": "dashLengthAt",
"parameter": [3, 0.5]
},
{
"method": "dashLengthAt",
"parameter": [4, -0.2]
},
{
"method": "dashLengthAt",
"parameter": [5, -0.2]
},
{
"method": "shapeStyleAt",
"parameter": [1, "Standard"]
},
{
"method": "shapeOffsetAt",
"parameter": [1, [-0.1,-0.05]]
},
{
"method": "textAt",
"parameter": [1, "HW"]
},
{
"method": "shapeScaleAt",
"parameter": [1, 0.5]
},{
"method": "shapeStyleAt",
"parameter": [4, "Standard"]
},
{
"method": "shapeOffsetAt",
"parameter": [4, [-0.1,-0.05]]
},
{
"method": "shapeNumberAt",
"parameter": [4, 131]
},
{
"method": "shapeScaleAt",
"parameter": [4, 0.2]
},
{
"method": "shapeRotationAt",
"parameter": [4, 3.1415926]
}
]
}
],
"blocks": [
{
"name": "myblock",
"origin": [10, 10],
"entitys": [
{
"typename": "DbCircle",
"center": [10, 10],
"radius": 20,
"colorIndex": 1
},
{
"typename": "DbSpline",
"fitPoints": [[0,0],[20,10],[30, 0]],
"colorIndex": 2
}
]
}
],
"entitys": [
{
"typename": "DbLine",
"start": [10, 5],
"end": [2000,3000],
"matrix": [
{
"op": "rotate",
"angle": 1.5,
"origin": [2000, 3000]
},
{
"op": "scale",
"scale": 20,
"origin": [2000, 3000]
},
{
"op": "translation",
"vector": [2000, 3000]
}
],
"layer": "test",
"linetype": "mylinetype"
},
{
"objectid": "340", // Indicates modify
"colorIndex": 1,
"layer": "test"
},
{
"objectid": "33F",
"delete": true // Indicates delete
},
{
"typename": "DbBlockReference",
"blockname": "myblock",
"position": [200,300],
"rotation": 3.14,
"scaleFactors": [2,3]
},
{
"typename": "DbBlockReference",
"ref": "c43eacd46047/v1",
"position": [500, 1000],
"rotation": 1.7,
"scaleFactors": [1,1]
},
{
"typename": "DbText",
"position": [1000,1000],
"contents": "Text",
"height": 100,
"horizontalMode": 4
},
{
"typename": "Db3PointAngularDimension",
"dimStyle": "mydimstyle",
"arcPoint": [1200,1200],
"centerPoint": [1000,1000],
"xLine1Point": [500,700],
"xLine2Point": [800,1500]
},
{
"typename": "DbRasterImage",
"sourceHttpUrl": "http://xxx/xx.jpg",
"position": [200, 500],
"pixelWidth": 440,
"pixelHeight": 220,
"width": 300,
"height": 150
}
]
}
let doc = new vjmap.DbDocument();
let fileDoc = doc.toDoc(data);
// js code
let res = await svc.updateMap({
mapid: "your_map_id",
filedoc: fileDoc,
mapopenway: vjmap.MapOpenWay.Memory,
style: vjmap.openMapDarkStyle() // Use dark background style when div has dark background
})
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210