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lesson_3 [2019/09/04 14:57] britaldo |
lesson_3 [2020/02/13 17:13] danilo |
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=====LESSON 3: Exploring the Map Viewer===== | =====LESSON 3: Exploring the Map Viewer===== | ||
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- | This lesson presents the Dinamica EGO Map Viewer, a tool designed to view and interpret map information. | + | The Dinamica EGO Map Viewer is a tool designed to view and interpret map information. |
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The components of the **Map Viewer** interface are described in more detail in the following sections: | The components of the **Map Viewer** interface are described in more detail in the following sections: | ||
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=== Main Window === | === Main Window === | ||
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- | The main window is where the most important information regarding the viewer state is located. On the left you have the toolbar related to the Map Viewer as a whole, on the right you have a list of loaded maps and tools to manage them. | + | The main window is where most information regarding the viewer state is located. On the left you have the toolbar of the Map Viewer as a whole, on the right you have a list of loaded maps and tools to manage them. |
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{{ :map_viewer:map_viewer.jpg?nolink |}} | {{ :map_viewer:map_viewer.jpg?nolink |}} | ||
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12) Zoom to selection rectangle (selected rectangle will cover entire screen space available).\\ | 12) Zoom to selection rectangle (selected rectangle will cover entire screen space available).\\ | ||
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- | 13) Pan (allow users to move the current visualisation area).\\ | + | 13) Pan (allow users to move the current visualization area).\\ |
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- | 14) Analyse cells values in specified interval.\\ | + | 14) Analyze cells values in specified interval.\\ |
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- | 15) Previous view (if the user is making many visualisation steps, it is possible to go back to the last step using this button).\\ | + | 15) Previous view (if the user is making many visualization steps, it is possible to go back to the last step using this button).\\ |
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16) Background color (change application background color).\\ | 16) Background color (change application background color).\\ | ||
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===== Generated palette ===== | ===== Generated palette ===== | ||
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- | You can also create a palette using a linear interpolation between two color values (gradient). All you have to do is click the gradient button and set your range. | + | You can also create a color palette using a linear interpolation between two color values (gradient). All you have to do is click the gradient button and set your range. |
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The histogram window is responsible for assigning transformations from image original values (in any range) to palette range [0, 255]. The histogram curve will adjust any value smaller than the "From:" limit to 0, and any value greater than the "To:" limit to 255. Any other values will be mapped using the histogram curve to the "Y" coordinate on the color palette on the left. | The histogram window is responsible for assigning transformations from image original values (in any range) to palette range [0, 255]. The histogram curve will adjust any value smaller than the "From:" limit to 0, and any value greater than the "To:" limit to 255. Any other values will be mapped using the histogram curve to the "Y" coordinate on the color palette on the left. | ||
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[{{ :map_viewer:histogram.png?nolink& |Histogram editor}}] | [{{ :map_viewer:histogram.png?nolink& |Histogram editor}}] | ||
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==== Transformations ==== | ==== Transformations ==== | ||
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- | * **None**: This option does not apply any transformation, leaving cell values "as is". | + | * **None**: This option does not apply any transformation, leaving cell value "as it is". |
* **Linear**: Linearly maps values between the "from" and "to" ranges. | * **Linear**: Linearly maps values between the "from" and "to" ranges. | ||
- | * **Equalise**: Constructs an appropriate curve based on [[wp>Equalisation]]. | + | * **Equalize**: Constructs an appropriate curve based on [[wp>Equalization]]. |
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There are currently four options for loading maps (or a group of maps, if you hold the CTRL key while selecting the filenames on the file browser): | There are currently four options for loading maps (or a group of maps, if you hold the CTRL key while selecting the filenames on the file browser): | ||
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{{ :imagem67.png?700 |}} | {{ :imagem67.png?700 |}} | ||
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You can retrieve map information by clicking on the icon "i" (Layer information). | You can retrieve map information by clicking on the icon "i" (Layer information). | ||
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{{ :map_viewer:map_info.png?nolink& |}} | {{ :map_viewer:map_info.png?nolink& |}} | ||
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=== Making a movie === | === Making a movie === | ||
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- | - User load the maps he/she wants to display on the movie. Check out [[Load a map]], if you are unsure about how to load maps. | + | - User load the maps to display on the movie. Check out [[Load a map]], if you are unsure about how to load maps. |
- Transformations are configured, [[histogram]] curves are defined and [[color palette]] set. | - Transformations are configured, [[histogram]] curves are defined and [[color palette]] set. | ||
- The movie maker is invoked. | - The movie maker is invoked. | ||
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The command line syntax is: | The command line syntax is: | ||
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- | "<Folder where Dinamica EGO is installed>\DinamicaMapViewer" <egov filename> <resulting png filename> [png width] [png height] | + | ''"<Folder where Dinamica EGO is installed>\DinamicaMapViewer" <egov filename> <resulting png filename> [png width] [png height]'' |
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^ Parameter ^ Description ^ | ^ Parameter ^ Description ^ | ||
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Example: | Example: | ||
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- | "C:\Program Files\Dinamica EGO\DinamicaMapViewer" "c:\Maps\maps.egov" "c:\Outputs\result.png" 800 600 | + | ''"C:\Program Files\Dinamica EGO\DinamicaMapViewer" "c:\Maps\maps.egov" "c:\Outputs\result.png" 800 600'' |
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