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tuto:tuto1 [2013/09/11 10:53] leoame [How does it work?] |
tuto:tuto1 [2013/09/19 17:19] (current) leoame |
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| ToolMap is a cost-free, open-source software dedicated for digitizing data and producing complex multi-layer GIS projects. | ToolMap is a cost-free, open-source software dedicated for digitizing data and producing complex multi-layer GIS projects. | ||
| - | <WRAP box round 80%> It was developped in response to the need of easily creating projects with: | + | It was developped in response to the need to create projects with: |
| * A faultless and accurate topological structure. | * A faultless and accurate topological structure. | ||
| * A correct and homogenized semantic attribution. | * A correct and homogenized semantic attribution. | ||
| - | </WRAP> | ||
| - | |||
| - | <WRAP box round 80%> It was developped in response to the two most reccurent problems given by such maps: | ||
| - | * The topological structure | ||
| - | * The semantical meaning | ||
| - | </WRAP> | ||
| ===== How does it work? ===== | ===== How does it work? ===== | ||
| - | <WRAP box round 80%>ToolMap perform its duty based on two basic and undissociable principles: | + | ToolMap perform its duty based on two basic and undissociable principles: |
| * **The data model** describing the nature and spatial relationships between the possible different features. | * **The data model** describing the nature and spatial relationships between the possible different features. | ||
| + | |||
| * **The digitizing process** allowing only two types of geometries, lines and points to represent all two-dimensional "real-world" objects. No polygon layer exists in ToolMap; they are built from the combination of lines delinaeting surfaces. Digitizing all lines, line feature (strictly speaking) and borders of polygons within one single layer yields the following advantages: | * **The digitizing process** allowing only two types of geometries, lines and points to represent all two-dimensional "real-world" objects. No polygon layer exists in ToolMap; they are built from the combination of lines delinaeting surfaces. Digitizing all lines, line feature (strictly speaking) and borders of polygons within one single layer yields the following advantages: | ||
| * No redundancy in the digitzing process: geometric shapes referring to multiple object types are digitized and stored only once. | * No redundancy in the digitzing process: geometric shapes referring to multiple object types are digitized and stored only once. | ||
| * Perfect match between geometric shapes occurring in different thematic GIS layers: all objects are extracted from the same construction layers. | * Perfect match between geometric shapes occurring in different thematic GIS layers: all objects are extracted from the same construction layers. | ||
| - | </WRAP> | + | |
| {{test_tuto.png?nolink}} | {{test_tuto.png?nolink}} | ||
| - | <WRAP left>[[tuto0|{{man:button-previous.png?nolink}}]]</WRAP> <WRAP right>[[tuto2|{{man:button-next.png?nolink}}]]</WRAP> | + | <WRAP left>[[:tuto|{{man:button-previous.png?nolink}}]]</WRAP> <WRAP right>[[tuto:tuto2|{{man:button-next.png?nolink}}]]</WRAP> |