surtgis 0.14.8

High-performance geospatial analysis CLI
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

//! Handlers for texture analysis algorithms.

use anyhow::{Context, Result};
use std::time::Instant;

use surtgis_algorithms::texture::{
    GlcmParams, GlcmTexture, LbpParams, LbpVariant, haralick_glcm, haralick_glcm_multi, laplacian,
    lbp, sobel_edge,
};

use crate::commands::TextureCommands;
use crate::helpers::{done, read_dem, spinner, write_result};

pub fn handle(algorithm: TextureCommands, compress: bool) -> Result<()> {
    match algorithm {
        TextureCommands::Glcm {
            input,
            output,
            texture,
            radius,
            levels,
        } => {
            let tex = match texture.to_lowercase().as_str() {
                "energy" => GlcmTexture::Energy,
                "contrast" => GlcmTexture::Contrast,
                "homogeneity" => GlcmTexture::Homogeneity,
                "correlation" => GlcmTexture::Correlation,
                "entropy" => GlcmTexture::Entropy,
                "dissimilarity" => GlcmTexture::Dissimilarity,
                _ => {
                    eprintln!("Unknown texture '{}', using Contrast", texture);
                    GlcmTexture::Contrast
                }
            };
            let raster = read_dem(&input)?;
            let start = Instant::now();
            let pb = spinner(&format!("GLCM {} (radius={})...", texture, radius));
            let result = haralick_glcm(
                &raster,
                GlcmParams {
                    radius,
                    n_levels: levels,
                    distance: 1,
                    texture: tex,
                },
            )
            .context("GLCM failed")?;
            pb.finish_and_clear();
            write_result(&result, &output, compress)?;
            done(&format!("GLCM {}", texture), &output, start.elapsed());
        }

        TextureCommands::GlcmAll {
            input,
            output_dir,
            radius,
            levels,
        } => {
            std::fs::create_dir_all(&output_dir)
                .with_context(|| format!("failed to create {}", output_dir.display()))?;
            let raster = read_dem(&input)?;
            let textures = [
                ("energy", GlcmTexture::Energy),
                ("contrast", GlcmTexture::Contrast),
                ("homogeneity", GlcmTexture::Homogeneity),
                ("correlation", GlcmTexture::Correlation),
                ("entropy", GlcmTexture::Entropy),
                ("dissimilarity", GlcmTexture::Dissimilarity),
            ];
            let kinds: Vec<GlcmTexture> = textures.iter().map(|(_, k)| *k).collect();
            let start = Instant::now();
            let pb = spinner(&format!("GLCM all 6 textures (radius={})...", radius));
            let params = GlcmParams {
                radius,
                n_levels: levels,
                distance: 1,
                texture: GlcmTexture::Contrast, // ignored by multi
            };
            let results =
                haralick_glcm_multi(&raster, &params, &kinds).context("GLCM multi failed")?;
            pb.finish_and_clear();
            for ((name, _), out) in textures.iter().zip(results.iter()) {
                let path = output_dir.join(format!("glcm_{}.tif", name));
                write_result(out, &path, compress)?;
            }
            done(
                "GLCM all 6 textures",
                &output_dir.join("glcm_*.tif"),
                start.elapsed(),
            );
        }

        TextureCommands::Lbp {
            input,
            output,
            variant,
        } => {
            let v = match variant.to_lowercase().as_str() {
                "standard" => LbpVariant::Standard,
                "riu2" | "uniform" | "rotation-invariant" => LbpVariant::RotationInvariantUniform,
                _ => {
                    eprintln!("Unknown LBP variant '{}', using standard", variant);
                    LbpVariant::Standard
                }
            };
            let raster = read_dem(&input)?;
            let start = Instant::now();
            let pb = spinner(&format!("LBP ({})...", variant));
            let result = lbp(&raster, LbpParams { variant: v }).context("LBP failed")?;
            pb.finish_and_clear();
            write_result(&result, &output, compress)?;
            done(&format!("LBP {}", variant), &output, start.elapsed());
        }

        TextureCommands::Sobel { input, output } => {
            let raster = read_dem(&input)?;
            let start = Instant::now();
            let pb = spinner("Sobel edge detection...");
            let result = sobel_edge(&raster).context("Sobel failed")?;
            pb.finish_and_clear();
            write_result(&result, &output, compress)?;
            done("Sobel", &output, start.elapsed());
        }

        TextureCommands::Laplacian { input, output } => {
            let raster = read_dem(&input)?;
            let start = Instant::now();
            let pb = spinner("Laplacian edge detection...");
            let result = laplacian(&raster).context("Laplacian failed")?;
            pb.finish_and_clear();
            write_result(&result, &output, compress)?;
            done("Laplacian", &output, start.elapsed());
        }
    }
    Ok(())
}