Thematic Label Map Advanced Option

The Advanced option in the thematic map panel is mainly used to control the display of labels in the current Thematic Label Map.

Label Alongline

The parameters in the Label Alongline area are used to control the Label Display Effects in the Thematic Label Map. The Parameter Description involved is as follows:

Fixed Text Angle: If this check box is selected, the text in the label object in the Thematic Label Map always maintains the vertical orientation.
Remove Duplicate Labels: For complex line objects with multiple sub-objects, when this check box is selected, only the sub-object with the longest length in the Current Windows range is dimensioned; otherwise, each sub-object is dimensioned.
Caution:
- Generate Vector Tile, the Remove Duplicate Labels setting is invalid;
Line Mode: In order to make the Thematic Label Map have better Display Effects in different usage scenarios, Application provides Normal Mode and River Mode.
- Normal Mode: applicable to the label of point data and surface data, such as the annotation of place name and attribute value.
- River Mode: It is applicable to the annotation of river line data. In this mode, the annotation can be evenly displayed on the river to avoid the situation of small river annotation. The text display direction is reasonable, and the label is not placed at the place with more bends and larger curvature, so that the river annotation is evenly distributed and beautiful.
Display direction along the line: is used to set the direction of the text Label Alongline in the label. The application system provides five methods:
- Along the normal of the line: along the direction of the line from
- From Top to Bottom, From Left to Right Placement: For vertical lines, labels are displayed from top to bottom; for horizontal lines, labels are displayed from left to
- Top to bottom, right to left: For a vertical line, the label is displayed from top to bottom; for a horizontal line, the label is Diaplay from right to left;
- Bottom to top, left to right: For vertical lines, labels are displayed from bottom to top; for horizontal lines, labels are displayed from left
- Bottom to top, right to left: For vertical lines, labels are displayed from bottom to top; for horizontal lines, labels are Diaplay from right to left;
Caution:
- using this function, it will automatically determine whether the line is horizontal or vertical. Judgment criteria: the start point and end point of the connecting line. If the angle between the line and the horizontal direction is less than 60 degrees, the line is considered to be horizontal, otherwise it is vertical.
- If the Fixed Text Angle check box is selected, the setting of the Drop-down Button on the right side of the Line Display Direction label control is invalid;
- If Fixed Text Angle is checked or Character Spacing Along Line is modified after Display Direction Along Line is set, the characters may be covered due to the problem of character spacing. Causes some labels not to be displayed.
Spacing along line: Used to set the spacing distance between words in the label text, in multiples of the word height. The range of values is 1,8. For English words and numbers, spaces are used to determine whether it is a word or a number. Uch as "SuperMapiDesktopX" and "12325," represent a word and a number. In the case of "SuperMap iDekstopX" "and" 123 25 ", it means that" SuperMap "," iDesktopX "," 123 "," 25 ", two words and two numbers, will be displayed in the blank space according to the specified word spacing along the line.
Relative angle of words along the line: Set the maximum value of the angle between adjacent words or letters to ensure the beauty of Label Alongline. The range is 0, 90. The smaller the included angle tolerance is, the more compact the label is, but the place with large curvature may not be marked; the larger the included angle tolerance is, the place with large curvature can also be marked, but the aesthetics of Label Alongline will be reduced. Therefore, considering the aesthetics of the map, it is recommended to preliminarily calculate the appropriate angle value when setting this value. The relative angle between words or letters in Label Alongline, as shown in the following figure:
Periodical Distance Unit: It is used to set the unit of Label Alongline Periodical Distance Value. Click the Drop-down Button on the right, and select Unit or 0.1mm as the unit of cycle spacing in the pop-up drop-down menu. 0.1mm indicates that the periodic spacing of annotation is in the unit of 0.1mm; Unit indicates that the set periodic spacing of annotation is consistent with the unit of the coordinate system of the map.
Line cycle spacing: When the line object is too long, it can be labeled once at a certain distance. The text box on the right side of the label control is used to set the distance of repeated labeling. Note that the cycle length set here is the distance from the end of the previous label text to the beginning of the next label text. As shown in the figure below, a section of railway is marked, the word spacing along the line is 1 times, and the period spacing along the line is 100. Then the distance between the end of any label text and the beginning of the next label text is measured to be exactly one linear periodic interval with a length of 100. The units are consistent with the units of the map.
Drawing type: Sets the drawing strategy for drawing along the line, and provides five drawing methods:
- Compatible Draw: Starting from SuperMap GIS 8C (2017), the standard drawing strategy along the line has been adjusted. If the thematic map is made with the previous version, it is recommended to select the "Compatible Draw" "option to display the original thematic style.
- Entire Draw: Draws the label as a whole. It is generally applied to Label Alongline with a background label.
- Split Draw: Split draw the text and letters in the label. With Split Draw, the label will match the trend of the marked line.
- Entire Draw (for "Right- & gt; Left") Read text: Draws the label as a whole From Right to Left display. Applies to text displayed From Right to Left, such as Arabic. When using this drawing method, you need to set the Font Settings of the label to a western font, such as Times New Roman, and set Display Direction Along Line to Normal Direction Along Line, otherwise the label will cause incorrect Display Effects in this drawing method.
- Split Draw (for "Right- & gt; Left") read text: Split Draw the text in the label for text displayed From Right to Left, such as Arabic. When using this drawing method, you need to set the Font Settings of the label to a western font, such as Times New Roman, and set Display Direction Along Line to Normal Direction Along Line, otherwise the label will cause incorrect Display Effects in this drawing method.
Show Overlapping Objects: Select this check box to Show Over lapping Objects labels and enhance the readability of the map.
Display Over long Label: Used to control the display of overlength labels. Check this box to display labels up to the specified multiple of the line length. The default is 2 times the dimension line object.
Preprocessing Complex Line: Check this check box, as shown in the following figure, you can Show Lable at the position with large curvature, and you can Show Lable when the document length is longer than label of the line segment.
Adapt Label Position: If this check box is checked, Application can automatically select the proper position of the object for marking, so as to avoid the capping phenomenon caused by the marking being displayed in the center of the object.
The text order is consistent with the line direction: Specifies that the text Display Order of the label is consistent with the direction of the line object.

Label Length Settings

Overlength processing method: Display method used to set the label when the text is too long, The system provides four processing methods: Single Line Display, New Line (hide the newline character), New Line (Show the newline character) and Omit. See the following table for details. In the figure, the line break character is set to "-" and the Number of words in a single line of text is set to 6, that is, when the ultra-long processing mode is set to line break or omission, 6 characters are displayed for both Chinese and Western characters. (The Omit section Number of words in a single line of text in this table is set to 5) Displays Text Content

Handling method	Explain	> Illustration
Single Line Display	All text Single Line Display.
New Line (hide the newline character)	Whether the line break is set or not, the line break is performed according to the Number of words in a single line of text. If the Text Content whose length is greater than given length is performed New Line Display, the line break is not displayed.
New Line Display	If the line break of the text is set, the line will be broken by the line break, and the line break will be displayed at the end of the previous line; if the line break is not set, the line will be broken by Number of words in a single line of text, and the Text Content with a length greater than given length will be New Line Display.
Omit	longer than given length controlled by Number of words in single line of text with ellipsis instead. For English characters, the system will take one letter as the unit, and the overlength content will be omitted and not displayed.

Caution:

If the Label Alongline function is set, it has no effect.
This method will automatically adjust the number of characters in each line of text to make the number of characters in each line as close as possible, so the number of characters displayed in each line is Is no more than set Number of characters in a single line of text, in which English words and numbers are judged by the space whether they are a word or a number. Each line will display an English word or number in its entirety. Currently, the composite Thematic Label Map only supports default and omission, and does not support line feed.

Specify the newline character: Click the Drop-down Button on the right side of the label control, select a symbol as the newline character, or enter a character or text in the text box and specify it as the newline character. The text label will display the New Line Display at the newline character.
Number of words in a single line of text: The text box on the right side of the label control is used to set the maximum number of characters displayed in each line of the label object (Text) (a single letter in English, a single character in Chinese, a space, etc. Are all regarded as a character). If the length is exceeded, the content in the Text will be New Line Display or omitted. For English words, if a word happens to need to be displayed in two lines at the position of the line break, the system will do special processing to display the word completely in the previous line. This parameter takes effect only when Long Text Handling is set to Omitted or New Line Display.
Label Position: Used to set the label position of a polygon object. Supports Horizontal Label and Straight Label.
Text Alignment: If the Overlength Processing Method of the text is set to Wrap, TextAlignment can be set. The supported alignments are: Center, Left, Right, and Distributed Alignment.
Multiple lines align automatically after avoiding.: Check this box to automatically align the text after avoiding.
In-region Labels: Select to display labels only in polygon faces.

Label Height Range

Maximum text height: In Zoom In, when the height of the text font of the label object exceeds the maximum value set here, the height of the text in the label object will no longer be increased with the enlargement of the map.
Minimum text height: In Zoom Out, when the height of the text font of the label object exceeds the set minimum value, the height of the text in the label object will no longer be reduced as the map is reduced.

Avoid Overlap Settings